Utility model content
The purpose of this utility model is to solve above-mentioned technical problem, and provides to have and do not need dispensing to carry out waterproofNovel and improved fingerprint recognition module and the electronic equipment with the fingerprint recognition module.
To achieve the above object, according to one side of the present utility model, there is provided a kind of fingerprint recognition module, the fingerprintRecognize that module includes fingerprint recognition chip and printed circuit board (PCB), the fingerprint recognition chip, which has, to be used for and the printed circuit board (PCB)The first connecting portion of electrical connection and the printed circuit board (PCB) have the second connecting portion for being used for electrically connecting with the first connecting portion,Wherein：The fingerprint recognition chip is in the 3rd close-shaped connecting portion with what is set in the periphery of the first connecting portion,And the printed circuit board (PCB) has the 4th company corresponding with the 3rd connecting portion that the periphery in the second connecting portion is setSocket part, and in the case where fingerprint recognition chip is installed on a printed circuit, nothing between the 3rd connecting portion and the 4th connecting portionClosely connect to gap.
In above-mentioned fingerprint recognition module, the first connecting portion is hard contact, the second connecting portion be with it is describedThe corresponding metal pad of hard contact, and after the first connecting portion and the second connecting portion are melted by the first tin cream portionTin cream alloy is connected.
In above-mentioned fingerprint recognition module, the 3rd connecting portion is rectangle or the ring dress sheet metal of circle, described theFour connecting portions are rectangle or the ring dress sheet metal of circle, and the 3rd connecting portion and the 4th connecting portion pass through the second tinTin cream alloy after cream portion melts is connected.
In above-mentioned fingerprint recognition module, the first connecting portion and the 3rd connecting portion are in same level, with sameOne material and the formation in same manufacturing process step.
In above-mentioned fingerprint recognition module, the second connecting portion and the 4th connecting portion are in same level, with sameOne material and the formation in same manufacturing process step.
In above-mentioned fingerprint recognition module, the first tin cream portion and the second tin cream portion are located at same level, andFormed in same manufacturing process step.
In above-mentioned fingerprint recognition module, the fingerprint recognition chip is encapsulated in Background Grid array packages form.
In above-mentioned fingerprint recognition module, the printed circuit board (PCB) is flexible printed circuit board.
In above-mentioned fingerprint recognition module, the fingerprint recognition chip is arranged on the printed circuit with surface installation techniquePlate.
To achieve the above object, according to another aspect of the present utility model there is provided a kind of electronic equipment, the electronics is setStandby to include fingerprint recognition module, the fingerprint recognition module includes fingerprint recognition chip and printed circuit board (PCB), the fingerprint recognitionChip have be used for the first connecting portion that electrically connect with the printed circuit board (PCB) and the printed circuit board (PCB) have for it is describedThe second connecting portion of first connecting portion electrical connection, wherein：The fingerprint recognition chip has in the periphery of the first connecting portionWhat is set is in the 3rd close-shaped connecting portion, and the printed circuit board (PCB) has what the periphery in the second connecting portion was setThe 4th connecting portion corresponding with the 3rd connecting portion, and in the case where fingerprint recognition chip is installed on a printed circuit,Seamless unoccupied place is closely connected between 3rd connecting portion and the 4th connecting portion.
In above-mentioned electronic equipment, the first connecting portion is hard contact, and the second connecting portion is and the metalThe corresponding metal pad in contact, and the first connecting portion and the second connecting portion pass through the tin cream after the thawing of the first tin cream portionAlloy is connected.
In above-mentioned electronic equipment, the 3rd connecting portion is rectangle or the ring dress sheet metal of circle, and the described 4th connectsSocket part is rectangle or the ring dress sheet metal of circle, and the 3rd connecting portion and the 4th connecting portion pass through the second tin cream portionTin cream alloy connection after thawing.
In above-mentioned electronic equipment, the first connecting portion and the 3rd connecting portion are in same level, with same materialMaterial and the formation in same manufacturing process step.
In above-mentioned electronic equipment, the second connecting portion and the 4th connecting portion are in same level, with same materialMaterial and the formation in same manufacturing process step.
In above-mentioned electronic equipment, the first tin cream portion and the second tin cream portion are located at same level, and sameFormed in manufacturing process step.
In above-mentioned electronic equipment, the fingerprint recognition chip is encapsulated in Background Grid array packages form.
In above-mentioned electronic equipment, the printed circuit board (PCB) is flexible printed circuit board.
In above-mentioned electronic equipment, the fingerprint recognition chip is arranged on the printed circuit board (PCB) with surface installation technique.
By according to fingerprint recognition module of the present utility model and the electronic equipment with the fingerprint recognition module, Ke YitongThe connecting portion periphery crossed between fingerprint recognition chip and printed circuit board (PCB) is provided for sealing the structure of waterproof, so as to be not required toWant to realize waterproof effect in the case of dispensing, improve the space utilization rate of printed circuit board (PCB), promote fingerprint recognition moduleDesign and manufacture.
By according to fingerprint recognition module of the present utility model and the electronic equipment with the fingerprint recognition module, Ke YiThe structure for sealing waterproof is formed in the step of forming the electrical connection between fingerprint recognition chip and printed circuit board (PCB), withoutThe manufacturing process to be added, so as to improve the production efficiency of fingerprint recognition module and reduce cost.
Embodiment
Describe to be used for open the utility model below so that those skilled in the art can realize the utility model.Retouch belowPreferred embodiment in stating is only used as citing, it may occur to persons skilled in the art that other obvious modifications.Retouched followingThe general principle of the present utility model defined in stating can apply to other embodiments, deformation program, improvement project, etc. TongfangCase and the other technologies scheme without departing from spirit and scope of the present utility model.
It will be understood by those skilled in the art that in disclosure of the present utility model, term " longitudinal direction ", " transverse direction ", " on "," under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of the instruction such as " outer " or position closeSystem is to be based on orientation shown in the drawings or position relationship, and it is for only for ease of description the utility model and simplified and describes, withoutIt is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore onTerm is stated it is not intended that to limitation of the present utility model.
It is understood that term " one " be interpreted as " at least one " or " one or more ", i.e., in one embodiment,The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is noIt is understood that as the limitation to quantity.
The term and word used in description below and claim is not limited to literal implication, but only new by this practicalityType people, which is used so that, can understand and as one man understand the utility model.Therefore, it is only clearly to those skilled in the artThe purpose of explanation rather than in order to limit mesh of the present utility model as defined in appended claims and their equivalentAnd following description that various embodiments of the present utility model are provided.
Although the ordinal number of such as " first ", " second " etc. will be used to describe various assemblies, those are not limited hereinComponent.The term is only used for distinguishing a component and another component.For example, first assembly can be referred to as the second component, and togetherSample, the second component can also be referred to as first assembly, the teaching conceived without departing from the utility model.Term as used herein"and/or" includes any of the project listed of one or more associations and all combination.
The term being used herein is only used for describing the purpose of various embodiments and is not intended to limitation.As used herein,Singulative is intended to also include plural form, makes an exception unless the context clearly dictates.Will further be understood that term " comprising " and/or" having " specifies depositing for described feature, number, step, operation, component, element or its combination when using in this specification, and it is not excluded for the presence or additional of one or more of the other feature, number, step, operation, component, element or its group.
The term being used herein including technology and scientific terminology has the art being generally understood that with those skilled in the artLanguage identical implication, so long as not being defined differently than the term.It should be understood that the term tool limited in usually used dictionaryThere is the implication consistent with the implication of term of the prior art.
To achieve the above object, should according to the one side of the utility model embodiment there is provided a kind of fingerprint recognition moduleFingerprint recognition module includes fingerprint recognition chip and printed circuit board (PCB), and the fingerprint recognition chip, which has, to be used for and the printed circuit board (PCB)The first connecting portion of electrical connection and the printed circuit board (PCB) have the second connecting portion for being used for electrically connecting with the first connecting portion, itsIn：What the fingerprint recognition chip had that the periphery in the first connecting portion sets is in the 3rd close-shaped connecting portion, and the printPrinted circuit board has the 4th connecting portion corresponding with the 3rd connecting portion that the periphery in the second connecting portion is set, and in fingerprintIn the case that identification chip is installed on a printed circuit, seamless unoccupied place closely connects between the 3rd connecting portion and the 4th connecting portionConnect.
Fig. 1 is the decomposing schematic representation of the fingerprint recognition module according to the utility model embodiment.Wherein, Fig. 1 (a) is shownFingerprint recognition chip, and Fig. 1 (b) shows printed circuit board (PCB).As shown in Fig. 1 (a), fingerprint recognition chip 10 has theOne connecting portion 11 and the 3rd peripheral connecting portion 12 in first connecting portion 11, for example, the 3rd connecting portion 12 is rectangular ring, fromAnd be isolated from the outside first connecting portion 11.Here, the connecting portion 12 of first connecting portion 11 and the 3rd can be by conductive metal materialMaterial is made, for example metallic copper.In addition, as shown in Fig. 1 (b), printed circuit board (PCB) 20 has second connecting portion 21 and connected secondThe 4th peripheral connecting portion of socket part 21.Wherein, the of the second connecting portion 21 of printed circuit board (PCB) 20 and fingerprint recognition chip 10One connecting portion 11 is in position and corresponding in shape so that fingerprint recognition chip 10 be installed to printed circuit board (PCB) 20 itAfterwards, electrical connection can be set up between first connecting portion 11 and second connecting portion 21.Also, the 4th connection of printed circuit board (PCB) 20Portion 22 and the 3rd connecting portion 12 of fingerprint recognition chip 10 are in position and corresponding in shape, for example, the 4th connecting portion 22 is alsoRectangular ring, so that second connecting portion 21 be isolated from the outside.So, when fingerprint recognition chip 10 is installed to printed circuit board (PCB) 20When, by forming closely seamless connection between the 3rd connecting portion 12 and the 4th connecting portion 22, it can be electrically connected relative to each otherFirst connecting portion 11 and second connecting portion 21 the isolation steam connect, so that according to the fingerprint recognition of the utility model embodimentModule has waterproof effect.
Also, due to as shown in figure 1, the 3rd connecting portion 12 and the 4th connecting portion 22 are respectively formed at fingerprint recognition chip 10With the first connecting portion 11 on printed circuit board (PCB) 20 and the periphery of second connecting portion 21, and not departing from fingerprint recognition chip 10Border.So, when fingerprint recognition chip is installed on printed circuit board (PCB), printing will not be taken as traditional dispensingExceptional space on circuit board, so, the valuable space that can be saved on printed circuit board (PCB), so as to improve printed circuit board (PCB)Space utilization rate, promotes the design and manufacture of fingerprint recognition module.
In addition, it will be understood by those skilled in the art that the connection between the 3rd connecting portion and the 4th connecting portion only needs to protectThe seamless close connection of card, and whether do not limit is electrical connection, because needing not move through the 3rd connecting portion and theFour connecting portions between fingerprint recognition chip and printed circuit board (PCB) transmit signal.
In above-mentioned fingerprint recognition module, first connecting portion is hard contact, and second connecting portion is corresponding with hard contactMetal pad, and first connecting portion and second connecting portion pass through the tin cream alloy after the first tin cream portion melts and connect.
As described above, in the manufacture field of current electronic device, surface installation technique (is also known as surface mounting technology, i.e.,SMT) it is most popular a kind of technology and technique in current electronic assembly industry.In SMT, electronic component is fabricated to nothing and drawnPin or short leg surface-assembled component (also known as sheet component, i.e. SMC/SMD be arranged on printed circuit board (PCB) surface orOn the surface of other substrates, welding assembly is subject to by methods such as reflow welding or immersed solder.
Thus, in the fingerprint recognition module according to the utility model embodiment, preferably by SMT by fingerprint recognition corePiece is installed on a printed circuit, and certainly, the utility model embodiment does not limit specific mounting means, it would however also be possible to employ exampleThe inserting mode of such as pin and socket.In addition, fingerprint recognition chip can use various packing forms, such as grid array is sealedDress, such as Land Grid Array (LGA) or ball-type grid array (BGA), certainly, fingerprint recognition chip can also be with otherThe chip of form encapsulation, such as Socket T, the fingerprint recognition module of the utility model embodiment is not intended to carry out thisAny limitation.
Printed circuit board (PCB), or other are arranged on when the fingerprint recognition chip using Background Grid array packages, and in SMT modesWhen on substrate, the first connecting portion of fingerprint recognition chip is preferably hard contact, and the second connecting portion of printed circuit board (PCB) is excellentChoosing is metal pad, and shown in such as Fig. 1 (a) and (b), also, the first connecting portion and second connecting portion pass through the first tin creamThe tin cream alloy that portion is formed after melting, the method such as above-mentioned reflow welding or immersed solder links together, so as to realize the first connectionElectrical connection between portion and second connecting portion, and by the first connecting portion and second connecting portion, by fingerprint recognition chip andPrinted circuit board (PCB) is strongly adhered to together.
Specifically, according to SMT basic technology, first for example, by screen printing technique, by the soldering paste of welding, exampleOn paste solder printing to the second connecting portion of printed circuit board (PCB).Then, fingerprint recognition chip is installed to printed circuit exactlyOn the fixed position of plate, to ensure that first connecting portion and second connecting portion are alignd.Afterwards, the tin cream of welding is melted, makes fingerLine identification chip and printed circuit board (PCB) are strongly adhered to together, while realizing the electricity between first connecting portion and second connecting portionConnection, to transmit signal between fingerprint recognition chip and printed circuit board (PCB).Certainly, it will be understood by those skilled in the art that rootAccording in the fingerprint recognition module of the utility model embodiment, fingerprint recognition chip, which is installed on printed circuit board (PCB), to be usedOther modes beyond the tin cream and welding assembly of welding, for example, directly fingerprint recognition chip attachment is existed using conducting resinlOn printed circuit board (PCB).
Afterwards, the printed circuit board (PCB) assembled can also be cleaned, to remove harmful weldering as neededConnect residue, such as scaling powder.Also, welding quality and assembling quality etc. can also be carried out to the printed circuit board (PCB) assembledDetection, and to detecting that out of order printed circuit board (PCB) is done over again etc..
In above-mentioned fingerprint recognition module, the 3rd connecting portion is rectangle or the ring dress sheet metal of circle, the 4th connecting portionIt is rectangle or the ring dress sheet metal of circle, and the 3rd connecting portion and the 4th connecting portion pass through the tin cream after the thawing of the second tin cream portionAlloy is connected.
Here, it will be understood by those skilled in the art that the connection between the 3rd connecting portion and the 4th connecting portion can pass throughMode same as described above is formed, certainly, and the connected mode between the 3rd connecting portion and the 4th connecting portion can be connected with firstConnected mode between portion and second connecting portion is identical, can also be different from each other.But, it is excellent from the perspective of technique simplificationSelection of land, the connection side between connected mode and first connecting portion and second connecting portion between the 3rd connecting portion and the 4th connecting portionFormula is identical, for example, all pass through SMT modes.And, it is preferable that in fingerprint recognition chip it is the situation of Background Grid array packages formUnder, its 3rd connecting portion is also similar to the pattern formed of hard contact.Also, according to the shape of fingerprint recognition chipShape, such as rectangle, circle, the 3rd connecting portion can also be the pattern of the shape consistent with the shape of the fingerprint recognition chip.For example, in the case where fingerprint recognition chip is circle, the pattern of the 3rd connecting portion can also be circular, so as to obtainIn the case of good isolation effect, efficiently utilization space.
In above-mentioned fingerprint recognition module, first connecting portion and the 3rd connecting portion in same level, with same material andFormed in same manufacturing process step.
In above-mentioned fingerprint recognition module, second connecting portion and the 4th connecting portion in same level, with same material andFormed in same manufacturing process step.
In above-mentioned fingerprint recognition module, the first tin cream portion and the second tin cream portion are located at same level, and in same techniqueFormed in fabrication steps.
As described above, the connected mode between the 3rd connecting portion and the 4th connecting portion is connected with first connecting portion and secondIn the case of connected mode identical between portion, the manufacture process of whole fingerprint recognition module can be simplified.Specifically, referring toIn the encapsulation process of line identification module, the 3rd connecting portion can be formed while first connecting portion is formed, i.e., in same level,With identical material in same manufacturing step, the ring-type for surrounding each hard contact is formed while each hard contact is formedPattern.In addition, among the manufacturing process of printed circuit board (PCB), the 4th connecting portion also is formed while second connecting portion is formed,I.e. in same level, with identical material in same manufacturing step, metal pad corresponding with each hard contact is being formedRing-type pad corresponding with annular patterns is formed simultaneously.Also, in installation steps, the tin cream of welding can be passed through silk screenThe modes such as printing are printed in second connecting portion and the 4th connecting portion, and by modes such as reflow weldings, in same manufacturing stepRealize the connection of first connecting portion and second connecting portion simultaneously, and the 3rd connecting portion and second connecting portion connection.
So, extra step is not needed according to the fingerprint recognition module of the utility model embodiment, can with traditionFingerprint recognition module the identical step of manufacturing process in, be additionally formed between fingerprint recognition chip and printed circuit board (PCB)Be used for seal the structure of waterproof.So, due to the manufacturing process that need not be added, thus also without to it is existing production setIt is standby to carry out big improvement, the production efficiency of fingerprint recognition module can be improved and production cost is reduced.
Fig. 2 is the schematic diagram of the fingerprint recognition module with waterproof construction according to the utility model embodiment.Such as Fig. 2 institutesShow, after fingerprint recognition chip 100 is installed on flexible printed circuit board 200, fingerprint recognition chip 100 and flexible printing electricityRoad plate 200 is closely joined together by functional tin cream portion 101 and non-functional tin cream portion 102.If water is from water inletLocate the bottom that A enters chip, then can be blocked by the non-functional tin cream portion 102 of periphery, without to functional tin cream portion 101Impact.So, it is achieved that the waterproof effect of fingerprint recognition module not sealing.
To achieve the above object, embodiment of the present utility model discloses a kind of manufacturer of fingerprint recognition module in additionMethod, the fingerprint recognition module includes fingerprint recognition chip and printed circuit board (PCB), and the manufacture method includes：On fingerprint recognition chipThe first connecting portion for being electrically connected with printed circuit board (PCB) is made；It is made on a printed circuit for being electrically connected with first connecting portionThe second connecting portion connect；It is in the 3rd close-shaped company to be made on fingerprint recognition chip and be arranged on the peripheral of first connecting portionSocket part, and, the 4th connection corresponding with the 3rd connecting portion that the periphery of second connecting portion is set is formed on a printed circuitPortion, wherein, the 3rd connecting portion and the 4th connecting portion is manufactured to cause feelings on a printed circuit are installed in fingerprint recognition chipUnder condition, seamless unoccupied place is closely connected between the 3rd connecting portion and the 4th connecting portion.
In the manufacture method of above-mentioned fingerprint recognition module, first connecting portion is hard contact, and second connecting portion is and goldBelong to the corresponding metal pad in contact, and the manufacture method further comprises：By between first connecting portion and second connecting portionMelt as tin cream alloy to connect first connecting portion and second connecting portion in the first tin cream portion.
In the manufacture method of above-mentioned fingerprint recognition module, the 3rd connecting portion is that rectangle or circular ring fill sheet metal,4th connecting portion is that rectangle or circular ring fill sheet metal, and the manufacture method further comprises：Will in the 3rd connecting portion andMelt as tin cream alloy to connect the 3rd connecting portion and the 4th connecting portion in the second tin cream portion between 4th connecting portion.
Wherein, the first connecting portion and the 3rd connecting portion are in same level, with same material and in same technique systemFormed in journey step.
In the manufacture method of above-mentioned fingerprint recognition module, the second connecting portion and the 4th connecting portion are in sameLevel, is formed with same material and in same manufacturing process step.
In the manufacture method of above-mentioned fingerprint recognition module, the first tin cream portion and the second tin cream portion are positioned at sameLevel, and formed in same manufacturing process step.
Here, according to the other details of the manufacture method of the fingerprint recognition module of the utility model embodiment with above forIt is identical according to the accordingly description of the fingerprint recognition module of the utility model embodiment, therefore in order to avoid redundancy is just repeated no more.
Fig. 3 is the schematic diagram for the assembling process for showing the fingerprint recognition module according to the utility model embodiment.Such as Fig. 4It is shown, when the manufacture method using the fingerprint recognition module according to the utility model embodiment, chip 10 and FPC 20 is encapsulatedWhen, after fingerprint recognition chip 100 is installed on flexible printed circuit board 200, because 102 pairs of non-functional tin cream portion hasThe waterproof effect in the tin cream portion 101 of function, it is no longer necessary to dispensing step, so as to also be no longer needed for dispensing board, but can be withA point plate directly is carried out to the flexible printed circuit board for being provided with fingerprint recognition chip, so as to significantly simplify fingerprint recognition moduleManufacturing process.
To achieve the above object, according to the another aspect of the utility model embodiment, there is provided a kind of electronic equipment, the electricitySub- equipment includes fingerprint recognition module, and fingerprint recognition module includes fingerprint recognition chip and printed circuit board (PCB), the fingerprint recognition coreThere is piece first connecting portion and the printed circuit board (PCB) for being electrically connected with printed circuit board (PCB), which to have, is used for and first connecting portion electricityThe second connecting portion of connection, wherein, the fingerprint recognition chip is in close-shaped with what is set in the periphery of first connecting portion3rd connecting portion, and the printed circuit board (PCB) has the 4th company corresponding with the 3rd connecting portion that the periphery in second connecting portion is setSocket part, and in the case where fingerprint recognition chip is installed on a printed circuit, nothing between the 3rd connecting portion and the 4th connecting portionClosely connect to gap.
In above-mentioned electronic equipment, the first connecting portion is hard contact, and the second connecting portion is corresponding with hard contactMetal pad, and first connecting portion and second connecting portion pass through the tin cream alloy after the first tin cream portion melts and connect.
In above-mentioned electronic equipment, the 3rd connecting portion is rectangle or the ring dress sheet metal of circle, the 4th connecting portionIt is rectangle or the ring dress sheet metal of circle, and the 3rd connecting portion and the 4th connecting portion pass through the tin cream after the thawing of the second tin cream portionAlloy is connected.
In above-mentioned electronic equipment, the first connecting portion and the 3rd connecting portion in same level, with same material andFormed in same manufacturing process step.
In above-mentioned electronic equipment, the second connecting portion and the 4th connecting portion in same level, with same material andFormed in same manufacturing process step.
In above-mentioned electronic equipment, the first tin cream portion and the second tin cream portion are located at same level, and in same techniqueFormed in fabrication steps.
In above-mentioned electronic equipment, the fingerprint recognition chip is encapsulated in Background Grid array packages form.
In above-mentioned electronic equipment, the printed circuit board (PCB) is flexible printed circuit board.
In above-mentioned electronic equipment, the fingerprint recognition chip is arranged on the printed circuit board (PCB) with surface installation technique.
Here, it will be understood by those skilled in the art that can be various according to the electronic equipment of the utility model embodimentMobile electronic device with fingerprint identification function, such as smart phone, cell phone, tablet PC, notebookOr other multifunction displays or entertainment device.Also, electronic equipment can also be various wearable devices, such as intelligentlyWrist-watch, health monitor, body-building belt, electronic bracelet, head-wearing device, electronic components etc..In addition, electronic equipment can also be non-shiftingDynamic device, such as computing device, utensil, Internet of Things (IoT) device etc., it can be that various centralizations or distributing calculate dressPut, for example, desktop computer, grid computing resource, server, server farm, virtual computing resource, cloud computing resources, routeDevice, interchanger, point-to-point distributed computing resource etc..
In addition, electronic equipment can also be include living room utensil, kitchen appliance, bathroom utensils, bedroom utensil or itsThe utensil of combination.For example, electronic equipment can be TV, video-unit, audio devices, clock, lighting unit, home entertaining systemSystem, washing machine, refrigerator, baking box, micro-wave oven, game host etc..Moreover, electronic equipment can be thermostat, warning system, heatingUnit, cooling unit, electronic lock, garage door opener, electricity generation system etc..
By according to fingerprint recognition module of the present utility model and the electronic equipment with the fingerprint recognition module, Ke YitongThe connecting portion periphery crossed between fingerprint recognition chip and printed circuit board (PCB) is provided for sealing the structure of waterproof, so as to be not required toWant to realize waterproof effect in the case of dispensing, improve the space utilization rate of printed circuit board (PCB), promote fingerprint recognition moduleDesign and manufacture.
By according to fingerprint recognition module of the present utility model and the electronic equipment with the fingerprint recognition module, Ke YiThe structure for sealing waterproof is formed in the step of forming the electrical connection between fingerprint recognition chip and printed circuit board (PCB), withoutThe manufacturing process to be added, so as to improve the production efficiency of fingerprint recognition module and reduce cost.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the artFor art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve andRetouching also should be regarded as protection domain of the present utility model.