Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of preparation method with mobile phone back of the body screen of antenna, comprise the following steps:
Step 1, provide glass back of the body screen;
But step 2, with metalization ink according to designed antenna pattern silk screen printing on glass back of the body screen, form ink lay after dry, but contain chemical plating active material and organic principle in described metalization ink;
Step 3, employing energy beam carry out radiation to described ink lay, expose the chemical plating active material, but form the chemical plating activating area;
But step 4, carry out electroless copper on the surface of described chemical plating activating area, form the copper facing antenna stack on glass back of the body screen.
The present inventor is unexpected to be found, but shields by metalization ink is carried on the back at glass according to designed antenna pattern silk screen printing, but described metalization ink is homemade printing ink, contains chemical plating active material and organic principle; Then adopt energy beam to carry out radiation to described ink lay, expose the chemical plating active material, can directly produce chemical reduction reaction on this chemical plating active material surface, can directly carry out chemical plating in this antenna pattern zone, thereby can realize making antenna on the surface of glass back of the body screen.
Specifically, in step 1, described glass back of the body screen adopts for those skilled in the art can be used in the glass material of making mobile phone back of the body screen, requires to have high strength, the performance such as good shock-resistant, anticorrosion, and described glass back of the body screen can adopt the commercially available glass back of the body to shield.
In the preferred case, in order to make glass back of the body screen have good covering, make back of the body screen antenna not manifest glass back of the body screen, surface spraying at glass back of the body screen has one deck that color bottom paint is arranged, after spraying color bottom paint dry 2-3h under 75-80 ℃ arranged, be formed with the color bottom paint layer after drying, the thickness of this coloured prime coat is 25-30 μ m.Described coloured prime coat requires can anti-strong acid, the immersion of highly basic and high temperature plating solution, in order to be conducive to the subsequent chemistry plating, and require to have good adhesive force between described coloured prime coat and glass back of the body screen, be understandable that, the color bottom paint that has that meets above-mentioned requirements all can be used for the present invention.Preferably, described have color bottom paint to adopt the homemade color bottom paint that has, contain matrix resin, pigment, organic solvent and auxiliary agent, the content of described matrix resin is the 55-80 weight portion, the content of pigment is the 5-15 weight portion, the content of organic solvent is the 5-35 weight portion, and the content of auxiliary agent is the 0.5-4 weight portion.In the preferred case, the content of described matrix resin is the 70-80 weight portion, and the content of pigment is the 5-15 weight portion, and the content of organic solvent is the 5-20 weight portion, and the content of auxiliary agent is the 0.5-3 weight portion.Described matrix resin is selected one or more in hydroxy acrylate, polyurethane resin, epoxy resin, adopts the aforementioned body resin, can make priming paint have the performance of the immersion of anti-strong acid, highly basic and high temperature plating solution, and good with the adhesive force of glass back of the body screen.In the preferred case, described matrix resin is selected the compound resin of hydroxy acrylate, polyurethane resin and epoxy resin, wherein, hydroxy acrylate, epoxy resin have anti-strong acid, the highly basic performance that strengthens ink lay, polyurethane resin has the pliability that increases ink lay, improve it at the adhesion performance of glass surface, the content of hydroxy acrylate is 30-40 weight portion, polyurethane resin 10-25 weight portion, epoxy resin 5-20 weight portion; More preferably, the content of hydroxy acrylate is 30-40 weight portion, polyurethane resin 10-15 weight portion, epoxy resin 5-10 weight portion.Select the compound resin of preferred ingredient, the adhesive force that priming paint and the glass back of the body is shielded is better, and anti-strong acid, highly basic performance performance are better.Described pigment is selected according to required color, such as: be selected from a kind of in titanium white, carbon black, iron oxide red, phthalocyanine blue etc.; Described organic solvent is selected from ketone or ester class organic solvent, such as: cyclohexanone, butyl ester etc.Described auxiliary agent can be selected the auxiliary agents such as leveling auxiliary agent, dispersing aid, froth breaking auxiliary agent as required, and the kind of described leveling auxiliary agent, dispersing aid, froth breaking auxiliary agent and addition have been conventionally known to one of skill in the art.In addition, in order further to improve the adhesive force between prime coat and glass back of the body screen, also can further in being arranged, add color bottom paint the siloxanes coupling agent, to increase the adhesive force between prime coat and glass back of the body screen.
In step 2, but metalization ink is shielded or is had the surface of color bottom paint, the dry rear ink lay that forms at the glass back of the body according to designed antenna pattern silk screen printing.But described metalization ink is homemade printing ink, contains the chemical plating active material, can add the chemical plating active material in existing printing ink, but obtain metalization ink.Those skilled in the art will appreciate that printing ink contains organic principle.In the present invention, but take the total weight of described metalization ink as benchmark, the content of described organic principle is 60-99wt%, and preferably, the content of described organic principle is 85%-95%; Described organic principle comprises matrix resin, organic solvent and auxiliary agent, and the content of described matrix resin is the 55-80 weight portion, and the content of organic solvent is the 5-35 weight portion, and the content of auxiliary agent is the 0.5-4 weight portion.In the preferred case, the content of described matrix resin is the 65-80 weight portion, and the content of organic solvent is the 5-20 weight portion, and the content of auxiliary agent is the 0.5-3 weight portion.described matrix resin is selected hydroxy acrylate, polyurethane resin, one or more in epoxy resin, adopt the aforementioned body resin, can make priming paint have anti-strong acid, the performance of the immersion of highly basic and high temperature plating solution, and with the adhesive force of glass back of the body screen or coloured prime coat well in the preferred case, described matrix resin is selected hydroxy acrylate, the compound resin of polyurethane resin and epoxy resin, wherein, hydroxy acrylate, epoxy resin has the anti-strong acid that strengthens ink lay, the highly basic performance, polyurethane resin has the pliability that increases ink lay, improve it at the adhesion performance of glass surface, the content of hydroxy acrylate is the 30-40 weight portion, polyurethane resin 10-25 weight portion, epoxy resin 5-20 weight portion, more preferably, the content of hydroxy acrylate is 30-40 weight portion, polyurethane resin 10-15 weight portion, epoxy resin 5-10 weight portion.Select the compound resin of preferred ingredient, the adhesive force that priming paint and the glass back of the body is shielded is better, and anti-strong acid, highly basic performance performance are better.Described organic solvent is selected from slow curing type organic solvent, such as: isophorone, white spirit, PMA (1-Methoxy-2-propyl acetate) etc., so that the operation of printing ink.Described auxiliary agent can be selected the auxiliary agents such as leveling auxiliary agent, dispersing aid, froth breaking auxiliary agent as required, and the kind of described leveling auxiliary agent, dispersing aid, froth breaking auxiliary agent and addition have been conventionally known to one of skill in the art.Described chemical plating active material makes an addition in above-mentioned organic principle, and above-mentioned organic principle can make chemical plating active material and glass back of the body screen or coloured prime coat form good adhering to.
It is worth mentioning that, the material of described chemical plating active material for promoting that in chemical plating fluid chemical reduction reaction occurs, but take the total weight of described metalization ink as benchmark, the content of described chemical plating active material is 1-40wt%, be preferably 1-20%, more preferably 5-15%.The average grain diameter of described chemical plating active material is 20nm-100 μ m, is preferably 50nm-10 μ m.
Particularly, in the present invention, described chemical plating active material can be selected from: (a) any one oxide in the period of element Table VIII family beyond copper removal, IB family metallic element; (b) any one silicate, borate and oxalates in period of element Table VIII family, IB family metallic element; (c) contain in periodic table of elements group VIII, IB family metallic element any one hydrogenation catalyst, described hydrogenation catalyst is for making the aldehyde, ketone, aliphatic acid or the fatty acid ester hydrogenation that contain carbonyl become the catalyst of alcohol; (d) has general formula X YO2The delafossite structure compound, wherein X is selected from a kind of in period of element Table VIII family, IB family metallic element, Y is Ni, Mn, Cr, Al or Fe, and X is different from Y; (e) one or more in Cu/Fe/Mn or Cu/Fe/Al ternary co-sintering oxide, Cu/Fe/Al/Mn quaternary co-sintering oxide; (f) has general formula X ' Y ' O3Perovskite structure compound, wherein X ' contains at least a in periodic table of elements group VIII, IB family element, X ' selectivity contains one or more in IA, IIA family element, lanthanide series; Y ' is one or more in IVB, VB family element; (g) nitride of copper, iron, zinc, boride or phosphide, the nitride of tin, the boride of nickel or one or more in phosphide; (h) has general formula AMxByOzComposite oxides, 0＜x≤2, y=0.01-2, z=1-4; A is period of element Table VIII family, IB family metallic element; M is positive trivalent metallic element, and is selected from a kind of in Fe, Co, Mn, Al, Ga, In, Tl, rare earth element; Or (i) has general formula A ' M 'mOnComposite oxides, m=0.01-2, n=2-4; A ' is selected from a kind of in period of element Table VIII family, IB family metallic element, and M ' is selected from a kind of in Mo, W, Se, Te, Po.
In the preferred case, described chemical plating active material is: (a) Ni2O3, Co2O3, Co3O4(b) CuSiO3, NiSiO3, CoSiO3CuB2O4, Cu3B2O6, CuB0.7O2, NiB2O4, Ni3B2O6, NiC2O4, CuC2O4, CoC2O4(c) Cu-Zn, Cu-Zn-Ni, Cu-Zn-Co, Cu-Zn-Ga, Co-La, Cu-Cd and Cu-Zn-Si series hydrocatalyst; (d) has the MMnO of delafossite structure2, MCrO2, MAlO2And MFeO2, M is Cu, Ni or Co; (e) CuFexMnyOz, x=0.01-2 wherein, y=0.01-2, z=2-4; Or CuFemAlnOl, m=0.01-2 wherein, n=0.01-2, l=2-4; Or CuFeaAlbMncOd, a=0.01-2 wherein, b=0.01-2, c=0.01-2, d=2-4; (f) CaCu3Ti4O12, Na0.04Ca0.98Cu3Ti4O12, La0.01Ca0.99Cu3Ti4O12, CuTiO3, CuNiTi2O6, CuNbO3, CuTaO3Or CuZrO3(g) Cu3B2, Cu3N, Cu3P, Fe3P, Fe3N, Zn3N2, Sn3N4, Ni2B or NiP2(h) CuFe0.5B0.5O2.5, CuAl0.5B0.5O2.5, CuGa0.5B0.5O2.5Or (i) CuMo0.7O3, CuMo0.5O2.5, CuMoO4, CuWO4, CuSeO4
In preferred situation, described chemical plating active material is: Ni2O3, Co2O3, Co3O4In a kind of.
Chemical plating active material of the present invention can directly adopt and be purchased product, is milled to required particle diameter and gets final product; For example can adopt can Guangzhou the CuWO that produces of weber chemical industry Co., Ltd4Or Mitsuwa Chemical Co. Ltd(three and chemical industry) CuSeO that produces4
The active material of chemical plating described in the present invention also can oneself prepare, and its preparation method is known to the skilled person.For example, described CuGa0.5B0.5O2.5Can be prepared as follows: 58g CuO, 34g Ga2O3With 14g B2O3Ball milling, 1000 ℃ of lower roasting 2h in air, after sintering, the gained particle size is 1.0-2.5 μ m, it is CuGa that ICPAES measures sintered product0.5B0.5O2.5Similarly, described CuMoO4Also can be prepared as follows: 36g CuO and 65g MoO3The high speed ball milling, 800 ℃ of lower roasting 2h in air, the XRD determining sintered product is CuMoO4
The method that the circuits such as antenna pattern are made in described silk screen printing has been conventionally known to one of skill in the art, and in the present invention, the order number of the silk-screen half tone that adopts is the 300-400 order.Described antenna pattern can design as required, then but the method by silk screen printing is printed on metalization ink on the surface of glass back of the body screen or colored ink layer, but makes metalization ink present the pattern of this antenna pattern on the surface of glass back of the body screen or colored ink layer; But then with metalization ink dry 1-2h under 75-80 ℃, the ink lay of formation, the thickness of described ink lay are 20-25 μ m, and described ink lay and glass back of the body screen or coloured prime coat form good adhering to.
In the present invention, the chemical plating active material is uniformly distributed in organic component, so the adhesive force of chemical plating active material and glass back of the body screen or coloured prime coat is very high, and follow-up chemical plating is directly carried out on described chemical plating active material surface, therefore, make the adhesive force of the coat of metal of last formation and glass back of the body screen or coloured prime coat also very high.
In step 3, but there is the zone of metalization ink to adopt energy beam to carry out radiation to the upper silk-screen of glass back of the body screen, makes the organic principle gasification in printing ink, expose the chemical plating active material.
In the present invention, preferably, described energy beam is laser, be understandable that, and other energy beam, for example: corona is also available is applicable to the present invention.Described laser can be launched by laser, for example: the YLP-20 of big nation type laser.The wavelength of described laser is 157nm-10.6 μ m, and surface sweeping speed is that 500-8000 mm/second, step-length are 3-9 μ m, and frequency is the 30-40 kilohertz, and power is 3-4 kilowatt, and the thickness of etching ink layer is 15-25 μ m.Described corona irradiation can be adopted the CW1003 type corona equipment of Nantong three letter electronics.The condition of corona comprises: power is that speed is 1-20m/min greater than 0 to 3KW.
By the laser irradiation ink lay, make the organic substance gasification in printing ink, expose the chemical plating active material, form on the surface of glass back of the body screen or coloured prime coat the antenna pattern that the chemical plating active material consists of, thereby follow-uply can carry out chemical plating on this chemical plating active material surface; In fact, activate by laser, can make the chemical plating active material be reduced into metal simple-substance, the catalyst that these metal simple-substances plate as subsequent chemistry, thus can carry out chemical plating.
In step 4, but carry out electroless copper on the surface of described chemical plating activating area, form the copper facing antenna stack on glass back of the body screen.
the electroless copper plating method that described method of carrying out electroless copper is commonly used for those skilled in the art, but the chemical plating active material that described chemical plating activating area exposes, after chemical bronze plating liquid contacts, can promote the copper ion generation reduction reaction in chemical plating fluid, generate metallic copper, be wrapped in the chemical plating active material surperficial, and be connected to each other the copper coating that forms one deck densification, thereby the chemical plating activating area (the antenna pattern zone that the chemical plating active material consists of) on glass back of the body screen or coloured prime coat surface forms the copper facing antenna stack fast, the thickness of described copper facing antenna stack is 28-30 μ m.
Preferably, preparation method of the present invention also comprises step 5, and described step 5 is the chemical nickel plating on surface at the copper facing antenna stack, forms nickel coating, and the thickness of described nickel coating is 0.5-1 μ m.
The method of the chemical nickel plating that the method for described chemical nickel plating is commonly used for those skilled in the art at the chemical nickel plating on surface of copper facing antenna stack, can prevent that the copper facing antenna stack is oxidized.
The various plating solutions that the chemical bronze plating liquid that adopts, chemical nickel-plating liquid all can adopt those skilled in the art to commonly use.For example, described chemical bronze plating liquid contains mantoquita and reducing agent, and the pH value is 12-13, and described reducing agent can be reduced to copper simple substance with copper ion in mantoquita, and reducing agent can be one or more in glyoxalic acid, hydrazine and inferior sodium phosphate.Described electroless copper yet can directly adopt disclosed copper plating bath in prior art, " sufacing " in December, 2002 for example, the interim disclosed a kind of plating solution of the 31st volume the 6th: CuSO45H2O 0.14mol/L, Na2EDTA2H2O20.14mol/L, potassium ferrocyanide 10mg/L, 2,2 '-bipyridine 10mg/L, glyoxalic acid (HCOCOOH) 0.10mol/L, the copper plating bath temperature is 55-60 ℃, and with NaOH or H2SO4The pH value of regulating plating solution is 12-13.Chemical nickel plating also can adopt nickel-plating liquid of the prior art, for example it consists of: nickelous sulfate: 23g/l-25 g/l-, inferior sodium phosphate: 18g/l-20 g/l-, lactic acid: 18 g/l--20g/l, malic acid: 12 g/l--15g/l, regulating pH with NaOH is 4-5.2, and the temperature of nickel-plating liquid is: 85-90 ℃.
In the present invention, the time of electroless copper or chemical nickel plating is restriction not.Under preferable case, the time of electroless copper is 10-240 minute; The time of chemical nickel plating is 8-15 minute.
Make the mobile phone back of the body screen with antenna by above-mentioned preparation method, described mobile phone with antenna is carried on the back screen and is comprised glass back of the body screen and be formed at the antenna that the described glass back of the body shields, and described antenna is the copper facing antenna.In the preferred case, do not manifest glass back of the body screen in order to make the copper facing antenna, affect the aesthetic property of glass back of the body screen, also be coated with coloured prime coat on described glass back of the body screen, described copper facing dwi hastasana is formed on described coloured prime coat.In preferred situation, in order to protect the copper facing antenna, avoid the oxidation of copper facing antenna, also plate on described copper facing antenna and be provided with nickel coating.
In sum, but the present invention is by shielding according to designed antenna pattern silk screen printing metalization ink at the glass back of the body, then adopt energy beam to carry out radiation to described ink lay, expose the chemical plating active material, these chemical plating active materials can carry out chemical plating as the catalyst of subsequent chemistry plating, thereby realized making antenna on the surface that the glass back of the body shields, made mobile phone back of the body screen not only satisfy beyond the fashion degree and texture well of outward appearance, also satisfied functional need.
The present invention will be described in more detail below with reference to embodiment.
Embodiment 1
The present embodiment 1 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided, at surface spraying one deck of glass back of the body screen, color bottom paint is arranged, coating thickness is 30 μ m, and described color bottom paint is arranged is self-control, fills a prescription as follows: Hydroxylated acrylic resin 30 weight portions; Polyurethane resin 15 weight portions; Epoxy resin 10 weight portions; Carbon black 10 weight portions; Cyclohexanone 17.5 weight portions; Butyl ester 15 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 1 weight portion; Froth breaking auxiliary agent 0.5 weight portion; Above-mentioned raw materials is commercially available; To after spraying color bottom paint dry 3h under 80 ℃ be arranged, obtaining thickness is coloured prime coat of 30 μ m;
Step 2: but there is being color bottom paint surperficial according to designed antenna pattern silk screen printing metalization ink, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 35 weight portions for self-control; Polyurethane resin 25 weight portions; Epoxy resin 15 weight portions; Chemical plating active material CuWO48 weight portions; Isophorone 15 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 75 ℃, obtain the ink lay that thickness is 25 μ m;
Step 3: adopt the YLP-20 of big nation type laser, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described laser is: the wavelength 1064nm of laser, surface sweeping speed 1000mm/s, step-length 9 μ m, frequency 40KHz, power 3KW; The thickness of laser-induced thermal etching ink lay is 23 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 30 μ m;
Step 5: after copper facing is completed, glass back of the body screen is rinsed well, dried up the chemical nickel plating on surface that is placed in chemical nickel-plating liquid at the copper facing antenna stack, form nickel coating, 90 ℃ of bath temperatures, plating solution pH value are 4, nickel plating thickness is 1 μ m, and electroplate liquid formulation is as follows: nickelous sulfate 23g/L; Inferior sodium phosphate 18g/L; Lactic acid 12g/l; Malic acid 15g/l; The thickness of formed nickel coating is 1 μ m;
Pass through above-mentioned steps, obtain the mobile phone back of the body screen A1 with antenna of the present embodiment, described mobile phone back of the body screen A1 with antenna comprises on glass back of the body screen, described glass back of the body screen and is coated with coloured prime coat, described have be formed with the copper facing antenna on color bottom paint, on described copper facing antenna also plating be provided with nickel coating.
Embodiment 2
The present embodiment 2 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided;
Step 2: but metalization ink is carried on the back screen surfaces according to designed antenna pattern silk screen printing at glass, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 20 weight portions for self-control; Polyurethane resin 35 weight portions; Epoxy resin 10 weight portions; Chemical plating active material CuSeO412 weight portions; Isophorone 20 weight portions; Leveling auxiliary agent 2 weight portions; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 80 ℃, obtain the ink lay that thickness is 20 μ m;
Step 3: adopt the YLP-20 of big nation type laser, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described laser is: the wavelength 648nm of laser, surface sweeping speed 2000mm/s, step-length 6 μ m, frequency 40KHz, power 2KW; The thickness of laser-induced thermal etching ink lay is 18 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 30 μ m;
Step 5: after copper facing is completed, glass back of the body screen is rinsed well, dried up the chemical nickel plating on surface that is placed in chemical nickel-plating liquid at the copper facing antenna stack, form nickel coating, 90 ℃ of bath temperatures, plating solution pH value are 4, nickel plating thickness is 1 μ m, and electroplate liquid formulation is as follows: nickelous sulfate 23g/L; Inferior sodium phosphate 18g/L; Lactic acid 12g/l; Malic acid 15g/l; The thickness of formed nickel coating is 1 μ m;
By above-mentioned steps, the mobile phone back of the body with antenna that obtains the present embodiment shields A2, and the described mobile phone back of the body with antenna shields A2 and comprises that glass is carried on the back screen, described glass is carried on the back on screen and is formed with the copper facing antenna, also plates on described copper facing antenna and is provided with nickel coating.
Embodiment 3
The present embodiment 3 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided;
Step 2: but metalization ink is carried on the back screen surfaces according to designed antenna pattern silk screen printing at glass, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 30 weight portions for self-control; Polyurethane resin 20 weight portions; Epoxy resin 15 weight portions; Chemical plating active material CuB2O415 weight portions; Isophorone 18 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 80 ℃, obtain the ink lay that thickness is 20 μ m;
Step 3: adopt the YLP-20 of big nation type laser, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described laser is: the wavelength 648nm of laser, surface sweeping speed 2000mm/s, step-length 6 μ m, frequency 40KHz, power 2KW; The thickness of laser-induced thermal etching ink lay is 18 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 30 μ m;
By above-mentioned steps, the mobile phone back of the body with antenna that obtains the present embodiment shields A3, and described mobile phone back of the body screen A3 with antenna comprises that glass is carried on the back screen, described glass is carried on the back on screen and is formed with the copper facing antenna.
Embodiment 4
The present embodiment 4 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided, at surface spraying one deck of glass back of the body screen, color bottom paint is arranged, coating thickness is 30 μ m, and described color bottom paint is arranged is self-control, fills a prescription as follows: Hydroxylated acrylic resin 40 weight portions; Polyurethane resin 15 weight portions; Epoxy resin 10 weight portions; Titanium white 10 weight portions; Butyl ester 23 weight portions; Leveling auxiliary agent 0.5 weight portion; Dispersing aid 1 weight portion; Froth breaking auxiliary agent 0.5 weight portion; Above-mentioned raw materials is commercially available; To after spraying color bottom paint dry 3h under 80 ℃ be arranged, obtaining thickness is coloured prime coat of 30 μ m;
Step 2: but there is being color bottom paint surperficial according to designed antenna pattern silk screen printing metalization ink, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 35 weight portions for self-control; Polyurethane resin 15 weight portions; Epoxy resin 15 weight portions; Chemical plating active material Sn3N413 weight portions; White spirit 20 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 75 ℃, obtain the ink lay that thickness is 25 μ m;
Step 3: adopt the YLP-20 of big nation type laser, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described laser is: the wavelength 1064nm of laser, surface sweeping speed 1000mm/s, step-length 9 μ m, frequency 40KHz, power 3KW; The thickness of laser-induced thermal etching ink lay is 23 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 30 μ m;
By above-mentioned steps, obtain the mobile phone back of the body screen A4 with antenna of the present embodiment, described mobile phone back of the body screen A4 with antenna comprises glass back of the body screen, is coated with coloured prime coat on described glass back of the body screen, is formed with the copper facing antenna on described coloured prime coat.
Embodiment 5
The present embodiment 5 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided, at surface spraying one deck of glass back of the body screen, color bottom paint is arranged, coating thickness is 30 μ m, and described color bottom paint is arranged is self-control, fills a prescription as follows: Hydroxylated acrylic resin 40 weight portions; Epoxy resin 25 weight portions; Titanium white 10 weight portions; Butyl ester 23 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 1 weight portion; Froth breaking auxiliary agent 0.5 weight portion; Above-mentioned raw materials is commercially available; To after spraying color bottom paint dry 3h under 80 ℃ be arranged, obtaining thickness is coloured prime coat of 30 μ m;
Step 2: but there is being color bottom paint surperficial according to designed antenna pattern silk screen printing metalization ink, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 35 weight portions for self-control; Epoxy resin 30 weight portions; Chemical plating active material Ni2O313 weight portions; White spirit 20 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 75 ℃, obtain the ink lay that thickness is 25 μ m;
Step 3: adopt the YLP-20 of big nation type laser, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described laser is: the wavelength 1064nm of laser, surface sweeping speed 1000mm/s, step-length 9 μ m, frequency 40KHz, power 3KW; The thickness of laser-induced thermal etching ink lay is 23 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 30 μ m;
Step 5: after copper facing is completed, glass back of the body screen is rinsed well, dried up the chemical nickel plating on surface that is placed in chemical nickel-plating liquid at the copper facing antenna stack, form nickel coating, 90 ℃ of bath temperatures, plating solution pH value are 4, nickel plating thickness is 1 μ m, and electroplate liquid formulation is as follows: nickelous sulfate 23g/L; Inferior sodium phosphate 18g/L; Lactic acid 12g/l; Malic acid 15g/l; The thickness of formed nickel coating is 0.6 μ m;
Pass through above-mentioned steps, obtain the mobile phone back of the body screen A5 with antenna of the present embodiment, described mobile phone back of the body screen A5 with antenna comprises glass back of the body screen, is coated with coloured prime coat on described glass back of the body screen, be formed with the copper facing antenna on described coloured prime coat, also plate on described copper facing antenna and be provided with nickel coating.
Embodiment 6
The present embodiment 6 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided, at surface spraying one deck of glass back of the body screen, color bottom paint is arranged, coating thickness is 25 μ m, and described color bottom paint is arranged is self-control, fills a prescription as follows: Hydroxylated acrylic resin 40 weight portions; Polyurethane resin 25 weight portions; Phthalocyanine blue 10 weight portions; Butyl ester 23 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion; Above-mentioned raw materials is commercially available; To after spraying color bottom paint dry 3h under 80 ℃ be arranged, obtaining thickness is coloured prime coat of 30 μ m;
Step 2: but there is being color bottom paint surperficial according to designed antenna pattern silk screen printing metalization ink, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 35 weight portions for self-control; Polyurethane resin 30 weight portions; Chemical plating active material Co2O313 weight portions; White spirit 20 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 75 ℃, obtain the ink lay that thickness is 25 μ m;
Step 3: adopt the YLP-20 of big nation type laser, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described laser is: the wavelength 1064nm of laser, surface sweeping speed 1000mm/s, step-length 9 μ m, frequency 40KHz, power 3KW; The thickness of laser-induced thermal etching ink lay is 23 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 30 μ m;
By above-mentioned steps, obtain the mobile phone back of the body screen A6 with antenna of the present embodiment, described mobile phone back of the body screen A6 with antenna comprises glass back of the body screen, is coated with coloured prime coat on described glass back of the body screen, is formed with the copper facing antenna on described coloured prime coat.
Embodiment 7
The present embodiment 7 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided, at surface spraying one deck of glass back of the body screen, color bottom paint is arranged, coating thickness is 30 μ m, and described color bottom paint is arranged is self-control, fills a prescription as follows: Hydroxylated acrylic resin 40 weight portions; Polyurethane resin 15 weight portions; Epoxy resin 10 weight portions; Iron oxide red 10 weight portions; Butyl ester 23 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 1 weight portion; Froth breaking auxiliary agent 0.5 weight portion; Above-mentioned raw materials is commercially available; To after spraying color bottom paint dry 3h under 80 ℃ be arranged, obtaining thickness is coloured prime coat of 30 μ m;
Step 2: but there is being color bottom paint surperficial according to designed antenna pattern silk screen printing metalization ink, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 40 weight portions for self-control; Polyurethane resin 15 weight portions; Epoxy resin 20 weight portions; Chemical plating active material Co3O48 weight portions; White spirit 15 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 75 ℃, obtain the ink lay that thickness is 23 μ m;
Step 3: adopt the YLP-20 of big nation type laser, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described laser is: the wavelength 564nm of laser, surface sweeping speed 5000mm/s, step-length 9 μ m, frequency 35KHz, power 4KW; The thickness of laser-induced thermal etching ink lay is 20 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 30 μ m;
Step 5: after copper facing is completed, glass back of the body screen is rinsed well, dried up the chemical nickel plating on surface that is placed in chemical nickel-plating liquid at the copper facing antenna stack, form nickel coating, 90 ℃ of bath temperatures, plating solution pH value are 4, nickel plating thickness is 1 μ m, and electroplate liquid formulation is as follows: nickelous sulfate 23g/L; Inferior sodium phosphate 18g/L; Lactic acid 12g/l; Malic acid 15g/l; The thickness of formed nickel coating is 0.8 μ m;
Pass through above-mentioned steps, obtain the mobile phone back of the body screen A7 with antenna of the present embodiment, described mobile phone back of the body screen A7 with antenna comprises glass back of the body screen, is coated with coloured prime coat on described glass back of the body screen, be formed with the copper facing antenna on described coloured prime coat, also plate on described copper facing antenna and be provided with nickel coating.
Embodiment 8
The present embodiment 8 is used for explanation and has mobile phone back of the body screen of antenna and preparation method thereof;
Step 1: glass back of the body screen is provided, at surface spraying one deck of glass back of the body screen, color bottom paint is arranged, coating thickness is 30 μ m, and described color bottom paint is arranged is self-control, fills a prescription as follows: Hydroxylated acrylic resin 40 weight portions; Polyurethane resin 15 weight portions;
Epoxy resin 10 weight portions; Titanium white 10 weight portions; Butyl ester 23 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 1 weight portion; Froth breaking auxiliary agent 0.5 weight portion; Above-mentioned raw materials is commercially available; To after spraying color bottom paint dry 3h under 80 ℃ be arranged, obtaining thickness is coloured prime coat of 30 μ m;
Step 2: but there is being color bottom paint surperficial according to designed antenna pattern silk screen printing metalization ink, the order number of screen mesh printing plate is 300 orders, print thickness is 25 μ m, but described metalization ink is filled a prescription as follows: Hydroxylated acrylic resin 45 weight portions for self-control; Polyurethane resin 20 weight portions; Epoxy resin 8 weight portions; Chemical plating active material Zn3N210 weight portions; White spirit 18 weight portions; Leveling auxiliary agent 1 weight portion; Dispersing aid 0.5 weight portion; Froth breaking auxiliary agent 0.5 weight portion, above-mentioned raw materials is commercially available; Resin used and auxiliary agent are commercially available; But with metalization ink dry 1h under 75 ℃, obtain the ink lay that thickness is 25 μ m;
Step 3: adopt the CW1003 type corona equipment of Nantong three letter electronics, described ink lay is carried out radiation, expose the chemical plating active material, the parameter of described corona is: power 2KW, and corona speed is 15 m/min; The thickness of laser-induced thermal etching ink lay is 23 μ m, but forms the chemical plating activating area;
Step 4: the surperficial wiped clean of the glass back of the body screen after activating, be placed in chemical bronze plating liquid and carry out copper facing, form the copper facing antenna stack on glass back of the body screen, 55 ℃ of the temperature of copper plating bath, the pH value of copper plating bath is 12, the copper plating bath formula is as follows: CuSO45H2O 0.14mol/L; Na2EDTA2H2O20.14 mol/L; Potassium ferrocyanide 10mg/L; 2.2 '-bipyridine 10mg/L; HOCCOOH 0.10mol/L; The thickness of formed copper facing antenna stack is 28 μ m;
By above-mentioned steps, obtain the mobile phone back of the body screen A8 with antenna of the present embodiment, described mobile phone back of the body screen A8 with antenna comprises glass back of the body screen, is coated with coloured prime coat on described glass back of the body screen, is formed with the copper facing antenna on described coloured prime coat.
Performance test
The above mobile phone back of the body screen A1-A8 with antenna for preparing is carried out following performance test:
1, adhesion
Adhesive force test: have the mobile phone of antenna to carry on the back on the metal coating surface of screen A1-A8 with stroke lattice utensil and draw the square lattice of 100 1 millimeter * 1 millimeter.The model of producing with Minnesota Mining and Manufacturing Company is 600 smooth being bonded on grid of adhesive tape, does not stay a space, then uncovers with the fastest speed 60 degree angles, and whether observe cut edge has and come off.As be 5B without any coming off, the amount of coming off is 4B between 0-5%, is 3B between 5-15%, is 2B between 15-35%, is 1B between 35-65%, is 0B more than 65%, the table with test results 1 that obtains;
2, salt spray test
Respectively neutral salt spray test is carried out by GB/T1771 in the mobile phone back of the body screen A1-A8 with antenna of embodiment 1-8, the salt mist test time of test process is more than 1000 hours, with without any visible corrosion, oxidation be deformed into criterion of acceptability, the table with test results 1 that obtains.
Table 1
| ? | The adhesive force test | Salt spray test |
| A1 | 5B | OK |
| A2 | 4B | OK |
| A3 | 4B | OK |
| A4 | 5B | OK |
| A5 | 5B | OK |
| A6 | 5B | OK |
| A7 | 5B | OK |
| A8 | 5B | OK |
Can find out from above test result, the mobile phone back of the body screen A1-A8 salt spray test endurance quality with antenna that embodiment of the present invention 1-8 prepares is good, and the adhesion of copper facing antenna stack and glass back of the body screen is good.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.