A kind of one-piece type smart card and preparation method thereofTechnical field
The present invention relates to a kind of smart card, specifically one kind includes battery, display device and integrated circuitDeng electronic component, pass through one-piece type smart card of once-forming completion preparation process and preparation method thereof.
Background technology
With the development of science and technology, smart card is widely used in industry-by-industry, such as access card, intelligence is knownNot Ka, vip card, bank card etc..The application demand constantly upgraded proposes new safety to these smart cardsProperty and intelligentized requirement.Although normal procedure intelligent card has the basic components such as integrated circuit, chip, antenna,But and do not contain the thermo-responsive and pressure-sensitive component such as battery, liquid crystal display, do not possess independent fortuneCalculate the ability with complicated encryption.Novel smart card requires the encryption energy of higher computing capability and higher levelPower, therefore novel smart card needs not appear in tradition comprising battery, liquid crystal display, keyboard etc.Part in smart card, to meet the function of novel smart card and performance requirement.
The main flow production technology of the cards such as present bank card, visa card, member card is the compound preparation side of hot pressingMethod, i.e., in the presence of certain temperature and pressure, the plastics for making to be loaded with different component parts (are usuallyPVC) base material merges, and forms final card.In this process, the processing environment of HTHPFrequently occur.In general PVC (present bank card, vip card, the main material of various member cards) cardThe temperature of lamination is in the range of 100 DEG C -140 DEG C, and pressure is in 5-8Mpa or so, such temperature and pressure,Fatal damage will be caused to battery and liquid crystal display equitemperature, presser sensor component.Therefore, it is hotThe method of lamination cannot be used for the production of novel smart card.
Also occurs a kind of two-component for heating and being solidified using (30 DEG C -60 DEG C) of normal temperature or low temperature at presentThe method of resin.The method can solve the problems, such as pressure and temperature responsive type component package, but can meetTo the problem of efficiency is low, yield rate is low.Two-component reaction resin is before use, need to fill two kinds of componentsThe mixing divided, since mixing, two kinds of components just have begun to react, and viscosity becomes larger over time,Substantial amounts of mixing, applying glue, the operation such as extrusion bubble, fitting are needed in whole technical process.Because resin mixesContinual reaction is begun to after conjunction, constantly change also occurs therewith for viscosity, it is difficult to ensure that technique is consistentProperty, in turn result in the problem of efficiency is low, and defect rate remains high.Institute does not obtain extensive in this approachUsing.It is badly in need of a kind of simple in construction, intensity and reliability height now, smart card is fast and effectively prepared and containedThere are wiring board, electronic component, battery, the thermo-responsive and intelligence of presser sensor electronic component and display deviceThe preparation method that can block.
Application No. 201510674465.X patent of invention, disclose a kind of smart card the core of the card and its preparation sideMethod.The product of the patent protection is a kind of smart card the core of the card directly manufactured using optic-solidified adhesive.Because intelligenceCard the core of the card is that the directly solidification of UV light-cured resins obtains, and has low intensity, protective capability deficiency, it is impossible to straightTake print, it is not wear-resisting the problems such as, it is impossible to used as final products, therefore, it is necessary to use a kind of adhesiveFitting cladding film (hereinafter referred to as " lagging "), can just ultimately form workable intelligence on smart card the core of the cardCan card.
Lagging includes following technical process on smart card the core of the card：
1. in smart card the core of the card or the gluing on the film to be pasted；
2. the film for needing to paste is alignd and is bonded with the core of the card；
3. eliminate the bubble pasted between film and the core of the card；
4. using UV solidification, be heating and curing or room temperature for a long time solidify by the way of solidified.
The preparation that smart card is can be seen that from the lagging technique of above-mentioned smart card the core of the card is not that one-shot forming is completed, therefore be not integral structure, but Split type structure by bonding and integral.Lagging needs on the core of the cardMore complicated process is wanted, these processes need fine operating process, in batch and large-scale production processIn, these processes can not possibly be completed manually, therefore certainly will be using the higher equipment of automaticity come completeInto so as to greatly increase equipment investment and manufacturing cost.Pressing working procedure is pasted in lagging and the core of the card, veryTo vacuum equipment is needed to use, otherwise the bubble between lagging and the core of the card is difficult to eliminate.If lagging and the core of the cardBetween bubble be present, product quality will be had a strong impact on.Split type structure the core of the card and lagging are by bonding and integralSmart card, due between lagging and the core of the card with the presence of glue-line, in the environment of temperature and humidity change, orPerson is deformed due to the stress variation during lagging, it will causes the layering or stripping of the core of the card and laggingPhenomenon, cause intensity decreases, wear no resistance.Additionally, due to lagging complex procedures, cause low production efficiency,Production cost is high, the presence for the problems such as yield rate is low.
The content of the invention
The purpose of the present invention is to propose to a kind of one-piece type smart card once-forming by light-cured resin and its preparationMethod.The smart card is integrated type structure in structure, does not contain the glue-line of lagging；In performance, oneThe structure of build is not easily stripped, and will not be deformed because of the stress problem of secondary pad pasting, be improved the matter of smart cardAmount.In preparation method, a low temperature Quick-forming by way of UV adhesive curings, it is no longer necessary to laggingEach process, eliminate the cumbersome technique of lagging, saved manufacturing cost, improve production efficiency and intoProduct rate.
One for such smart card main application is Intelligent Bank card, and ISO 7810, ISO 7813 are to silverThe thickness of row card has done strict restriction, and its scope is 0.76 ± 0.08mm, now non-integral type on the marketThe thickness of smart card be generally higher than equal to 0.84mm, in the upper limit of bank card standard, its apply byLimitation is arrived.The smart card manufactured for the method for the one-piece type smart card of the present invention, can omit and wherein pasteThe bondline thickness that skin needs, efficiently control the overall thickness of smart card
A kind of one-piece type smart card of the present invention, including following content：
A kind of one-piece type smart card, it is characterised in that the smart card is by core layer, light transmission film layer and printing layer structureInto core layer is located at smart card centre position, consolidates by frame, electronic component and as the light of packing materialChange resin to form, two layers of light transmission film layer is close to core layer, and both sides, printing layer are coated on light transmission film up and downThe upper outer lower face surface of layer；Electronic component in the core layer include FPC FPCs, be connected to it is softChip on property wiring board, the flexible battery being connected on FPC, it is connected on FPCDisplay, the switch being connected on FPC.
Further, the thickness of smart card as described above is 0.5-2mm, and the thickness of the printing layer existsIn the range of 0.005-0.2mm, the thickness of the light transmission film layer is in the range of 0.01-0.2, the coreThe thickness of layer is in the range of 0.2-1.5mm.
Further, one-piece type smart card as described above, it is characterized in that the light transmission film layer choosing is from PVC,The transparent thin-film material material such as PET, PBT, or PC, or required for permeable photocurable resin material it is specificThe thin-film material of wavelength light.
Further, one-piece type smart card as described above, the material of the frame in the core layer is PVC,The material such as PET, PBC, PC-ABS, PC, ABS or metal, its thickness is in the range of 0.1-1.5mm.
Further, one-piece type smart card as described above, the light-cured resin in the core layer be can light consolidateThe acrylic resin of change or the acrylic resin of modification, photo curable epoxy resin or modified epoxy,Photo curable polyurethane resin or modified polyurethane resin, photo curable organic siliconresin or modification are organicSilicones, include one or more combinations of above-mentioned material.
Further, one-piece type smart card as described above, the thickness of the FPC FPCs in the core layerSpend in the range of 0.01-0.7mm, the model of the thickness of FPC and its connection member in 0.1-1.5mmIn enclosing.
The preparation method of the one-piece type smart card of the present invention, comprises the following steps；
1. light transmission film is laid on one piece of glass plate；
2. FPC and frame are bonded together using adhesive tape or Instant cement；
3. the frame for being stained with FPC is placed on light transmission film, and by adhesive tape or Instant cement by sideFrame is Nian Jie with light transmission film, fixed position；
4. light-cured resin is poured in frame, and require that light-cured resin is filled up completely with frame, and by sidePart on the FPC and FPC in inframe portion coats completely；
5. in the frame covered with light-cured resin, FPC and the part overlying for connecting assist sideUpper another light transmission film；
6. using rubber rollers or metallic roll will be laminating during mixed bubble drive out of；
7. in another piece of glass plate of upper light transmission film material upper press cover；
8. between the cushion block for controlling glass sheet separation is distributed in into upper lower glass plate, and not with other any partsOverlap；
9. using fixture by upper and lower two pieces of glass board clampings, the thickness required for obtaining；
10. solidify simultaneously using curing light source is lower on a glass；
11. after the completion of solidification, unclamping fixture, upper glass plates are raised, the card after solidification is taken out, passes through cuttingMachine cuts obtain the size of required smart card.
12. by printing equipment, as needed in the figure needed for the printing of one-piece type smart card light transmission film layer surfaceCase.
Preparation method as described above, it is characterized in that described glass plate is the common float glass process that thickness is 2-20mmGlass or safety glass.
Preparation method as described above, it is characterized in that described UV curing light sources are LED line light source, LED faces lightSource, the line source and area source of metal halogen.
Preparation method as described above, it is characterized in that described hardening time is the 5-60 seconds.
So far, the making of one-piece type smart card is completed.
Because pattern printing part is individualized section, the mechanical strength of smart card is had no effect, notBelong to the agent structure of this smart card, so after agent structure shaping, the preparation for being defined as card is completed,Pattern printing part is the following process part of card.
Glass plate in step 1 can be 2-20mm simple glass version, quartz glass or strengthened glass version
Light transmission film material in step 1 can be transparent material, can also printing opacity specific frequency light it is non-Bright material, its thickness is in the range of 0.01-0.2mm.
FPC in step 2 and the electronic component and the thickness of display that weld thereon existIn the range of 0.01-0.7mm.
Light-cured resin in step 4, can be the acrylic resin of photocuring, photo curable epoxy resin,Photo curable polyurethane resin, photo curable organic siliconresin, and it is modified corresponding to four kinds of resins aboveLight-curable resin material.
Frame in step 5, is PVC, PET, PBC, PC-ABS, PC, the material such as ABS or metal,Its thickness is in the range of 0.1-1.5mm.
Two pieces of glass plates are stepped up in step 9, there is provided the pressure of 0-1Mpa pressure, two pieces of glass platesCentre addition locating piece is some, to control the gap of two pieces of glass plates.The thickness of needs is reached, also notInside can be loseed and produce the pressure destroyed.Gap between two pieces of glass plates is between 0.5-2.0mm.
The various cutting mechanics used in step 11, bank as defined in Main Basiss ISO 7810, ISO 7813Card size standard is cut.Also can be cleavable into variously-shaped card according to individual requirement, but can notIn the range of being cut into obtain smartcard internal frame, it is ensured that smart card being capable of normal use.
Lithographic press is used in step 12, the card after cutting is printed as needed, is obtained requiredThe outward appearance wanted.
Beneficial effect：The one-piece type smart card of the present invention, is completed by one-shot forming, is prepared with conventional methodVarious smart cards compare, and its structure is more simple, and mechanical strength, reliability, final product quality obtain greatlyRaising.The invention also provides the one-piece type smart card for containing the various electronic components such as battery, displayPreparation method, this method uses light-cured resin as main body packing material, in the presence of curing light source,Primary low-temperature, the agent structure of smart card is can obtain after rapid curing, without carrying out lagging and secondary solidThe technique of change, production efficiency and yield rate are improved, reduce production cost.
Brief description of the drawings
Fig. 1 is the profile according to the one-piece type smart card of the present invention.
Fig. 2 is the sectional exploded view according to the one-piece type smart card of the present invention.
Fig. 3 is a kind of profile of non-integral shaping smart card.
Fig. 4 is a kind of sectional exploded view of non-integral shaping smart card.
Fig. 5 is the front view according to the one-piece type producing intelligent card process of the present invention.
Fig. 6 is the sectional view according to the one-piece type producing intelligent card process of the present invention.
Fig. 7 is the solidification process figure according to the one-piece type smart card of the present invention.
Fig. 8 is 4 figures according to the actual product of the one-piece type smart card of the present invention.
Fig. 9 is according to the actual product figure of this one-piece type smart card, and (a) and (b) is respectively actual product in figurePositive and negative figure.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, with reference to case study on implementationThe preparation method of the one-piece type smart card of disposal molding is further detailed, be not it is limited,Protection scope of the present invention is not limited with following case study on implementation.
As shown in Figure 2；Wherein 1-1,1-2 are the printable layer of the one-piece type smart card, and this layer is the present invention'sStructural effect is not played on one-piece type smart card, so the main part not as this one-piece type smart card.Wherein 2-1,2-2 be the present invention one-piece type smart card in covered section, light transmission film.It is integral hereinStructural enhancing and the effect of flat outer surface are primarily served in type smart card.Wherein 3 be one of the inventionThe main body packing material of type smart card, i.e. light-cured resin.Its main function is by smartcard internal componentEncapsulated, and bond electronic device, light transmission film on framework, FPC and FPCForm integrative-structure, i.e., the body of smart card of the present invention.In the wherein 4 one-piece type smart card for the present inventionFPC, the FPC integrate low-power consumption bluetooth, power management module, display, batteryEtc. all components for forming circuit board function.Wherein 5 be the frame of the integraty smart card, and it is mainly madeWith the position for fixing flexible wiring board.Wherein 6-1,6-2,6-3,6-4 are the one-piece type intelligence of the present inventionThe electronic device integrated in card on wiring board, including low-power consumption bluetooth, power management module, display, electricityThe electronic component such as pond, switch.
Fig. 5 is the front view that the one-piece type producing intelligent card process for instructing manufacture is disclosed according to the present invention, wherein 8For the glass plate needed for the one-piece type smart card of the manufacture present invention.
Fig. 6 is the sectional view that the one-piece type producing intelligent card process for instructing manufacture is disclosed according to the present invention, wherein 8To suppress the glass plate of smart card architecture, wherein 9 manufacture the cushion block of thickness for control smart card.
Fig. 7 is the solidification process figure that the one-piece type smart card for instructing manufacture is disclosed according to the present invention, wherein 10 areSolidify the curing light source of main body filling light-cured resin 3.Wherein 11 provide normal pressure to control intelligence for glass plateThe clip of energy card thickness.
Light transmission film 2-2 is laid on glass plate 8-2, it should be taken to avoid dust etc. during layingPollutant is rested between glass and light transmission film, and wherein light transmission film 2-2 thickness is 0.01-0.2mm'sIn the range of, glass plate 8-2 can be that simple glass can also be quartz glass or safety glass, and its thickness existsIn the range of 2-20mm.
Electronic component 6-1,6-2,6-3,6-4 FPC 4 will be connected with using adhesive tape or Instant cementIt is bonded together with frame portion 5, the thickness of used adhesive tape will be controlled in the range of 0.01-0.4mm,Use the thickness that glue-line is also controlled during Instant cement, it is desirable to which bondline thickness is no more than 0.4mm.
The frame 5 for being stained with circuit plate part 4 is placed on light transmission film 2-2, and passes through adhesive tape or quick-dryingGlue bonds frame 5 and light transmission film 2-2.The tape thickness used will control the scope in 0.01-0.4mmIt is interior, use the thickness that glue-line is also controlled during Instant cement, it is desirable to which bondline thickness is no more than 0.4mm.
Light-cured resin 3 is poured in frame 5, and requires that light-cured resin 3 is filled up completely with frame 5, andElectronic component 6-1,6-2,6-3 by the wiring board 4 inside frame and thereon, 6-4 are coated completely, andIt is required that the liquid surface that light-cured resin 3 is formed is higher than the upper surface of frame 5.The viscosity of light-cured resin 3In the range of 50-50000cps, the bubble more than 0.5mm will not be formed during perfusion.
Electronic component 6-1,6-2,6-3, the 6-4 overlying integrated on frame 5 and wiring board 4 and circuit boardUpper another light transmission film 2-1, during overlay film, avoid bubble or dust etc. being enclosed in light transmission filmBetween 2-1 and light-cured resin 3.
The light-cured resin 3 of excess and mixed a small amount of bubble are driven out of using rubber rollers or metallic roll.AboveA piece of one piece of glass plate 8-1 of light transmission film 2-1 upper press covers, glass plate 8-1 can be that simple glass can also beQuartz glass or safety glass, its thickness is in the range of 2-20mm.
Upper and lower two pieces of glass plates 8-1,8-2 are clamped with 11 using fixture, the pressure of pressure is 0-1Mpa.ProfitThe spacing of two pieces of glass plates is controlled with the cushion block 9 of fixed thickness, obtains required thickness, the thickness of cushion block 9Degree is in the range of 0.5-2mm.
Solidified simultaneously in glass plate 8-1,8-2 upper and lower surfaces using curing light source 10-1.10-2, hardening time isThe 5-60 seconds.After the completion of solidification, glass plate is disassembled, the card after solidification is taken out, is cut by cutting mechanicsThe size of smart card needed for obtaining.
This card is see-through card, can carry out preparation printing layer using flat-panel printer according to the customization situation of client,Individual print can be carried out, large-breadth printing can be also carried out, so far complete the making of one-piece type smart card.
Prepared by the single deck tape-recorder that one-piece type smart card can be carried out according to this method, while can also be according to production-scale needWant, prepare the card of different breadths, such as 4 cards that Fig. 8 is the small breadth for passing through this technique productions, its widthFace size is 105 × 295mm, is the half of the A4 breadths of standard.
The one-piece type smart card architecture prepared using this method is more simple, if Fig. 4 is to use this disclosed methodPrepared non-integral type smart card, the main distinction that the profile of smart card is integrally formed with Fig. 2 are, schemeContain 7-1 in 4,7-2 is the laminated adhesive of enhancing thin-film material.7-1,7-2 can be two component epoxy glue,Two-component polyurethane adhesive, solvent adhesive, PUR etc..
Comparative example:
Other conditions it is constant ask condition under, will in embodiment 1 using light-cured resin manufacture one-piece type intelligenceCard and the contrast using two-component low-temperature setting method；
Table 1 uses light-cured resin and non-light-cured resin contrast table
Manufactured it can be seen from the content of table 1 using light-cured resin the method for one-piece type smart card relative toOther manufacture method of intelligent cards, there are simple operating conditions, efficiency increases substantially, and product qualification rateAlso greatly improve.
2 one-piece type UV of table solidifies potting resin smart card and non-integral type UV solidified resins filling smart card contrast table
(the core of the card preparation method of this non-integral type smart card is identical with Application No. 201510674465.X method)
As shown in table 2；For being all to make the technique of smart card by the use of light-cured resin as packing material,The preparation method of the one-piece type smart card of the present invention has the advantage of obvious efficiency and yield rate and cost, itsThe technique for eliminating secondary coating.Coating technique includes, coating of the glue on thin-film material, filmThe aliging of material and card sandwich layer, it is bonded and cured later.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.Any those skilled in the art, the equivalent change made on the premise of the design of the present invention and principle is not departed fromChange and change, the scope of protection of the invention all should be belonged to.