CN105939567A - Fingerprint identification FPC reinforcing steel sheet and material strip capable of solving adhesive overflow and processing method - Google Patents
Fingerprint identification FPC reinforcing steel sheet and material strip capable of solving adhesive overflow and processing method Download PDFInfo
- Publication number
- CN105939567A CN105939567A CN201610423300.XA CN201610423300A CN105939567A CN 105939567 A CN105939567 A CN 105939567A CN 201610423300 A CN201610423300 A CN 201610423300A CN 105939567 A CN105939567 A CN 105939567A
- Authority
- CN
- China
- Prior art keywords
- hot
- steel disc
- setting adhesive
- material strip
- reinforcement steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
- H05K1/0281—Reinforcement details thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0005—Apparatus or processes for manufacturing printed circuits for designing circuits by computer
Abstract
The invention discloses a fingerprint identification FPC reinforcing steel sheet and material strip capable of solving adhesive overflow. The reinforcing steel sheet comprises a steel sheet body and a thermosetting adhesive, wherein the thermosetting adhesive and the steel sheet body are fixedly arranged together; the distance between the edge of the thermosetting adhesive and the outer edge of the steel sheet body is 0.15-0.3mm; the material strip comprises a material strip support part and more than one row of reinforcing steel sheets; and the reinforcing steel sheets are arranged on the material strip support part. The thermosetting adhesive is retracted into each reinforcing steel sheet for 0.15-0.3mm according to the cause of generating overflow of the thermosetting adhesive, the variety of the thermosetting adhesive, bonding parameters, product shape and size and the like, so that the problem of a function failure of an FPC caused by overflow of the thermosetting adhesive can be solved.
Description
Technical field
The open a kind of fingerprint identification device accessory of the present invention, a kind of fingerprint recognition FPC that can solve excessive glue
Reinforcement steel disc, material strip and processing method.
Background technology
Along with image scan and the development of the technology of identification, fingerprint recognition application in people live more comes
The most extensive, such as: fingerprint clocking-in machine, unlocked by fingerprint etc..And identification module in fingerprint recognition machine is usual
It is mounted on FPC, and this FPC is usually provided with reinforcement at the back side of fingerprint identification module installation site
Steel disc, for this position is carried out reinforcement, reinforcement steel disc is typically with hot-setting adhesive and is fitted on FPC,
At present, fingerprint recognition FPC is in hot pressing production process, and the hot-setting adhesive of reinforcement steel disc laminating usually there will be
Excessive glue phenomenon, the glue that overflows then can cause FPC disabler, there is serious quality hidden danger.
Summary of the invention
Easily produce the when of for fingerprint recognition FPC hot pressing reinforcement steel disc of the prior art mentioned above
The problem of excessive glue, the present invention provides a kind of fingerprint recognition FPC reinforcement steel disc, material strip that can solve excessive glue and adds
Work method, it uses special processing technique to be arranged by hot-setting adhesive monolithic and is fitted on reinforcement steel disc material strip, incites somebody to action
Hot-setting adhesive is recessed in reinforcement steel disc 0.15mm～0.3mm, it is possible to resolve hot-setting adhesive overflows the problem of glue.
The present invention solves its technical problem and the technical scheme is that a kind of fingerprint recognition that can solve excessive glue
The reinforcement steel disc of FPC, reinforcement steel disc includes steel disc body and hot-setting adhesive, and hot-setting adhesive is fixing with steel disc body to be set
Putting together, the outer edge of the outer edge distance steel disc body of hot hot-setting adhesive is 0.15～0.3mm.
A kind of reinforcement steel disc material strip, material strip includes more than material strip support part and row reinforcement steel disc described above,
Reinforcement steel disc is arranged in material strip support part.
The processing method of a kind of reinforcement steel disc material strip described above, the method comprises the steps:
(1), design hot-setting adhesive and reinforcement steel disc:
A, hot-setting adhesive design: hot-setting adhesive is inside contracted design, in hot-setting adhesive with reinforcement steel disc a size of radix
Shrink in reinforcement steel disc body 0.15～0.3mm；
B, reinforcement steel disc design: carry out typesetting according to reinforcement steel disc size, carry out diel zero according to typesetting
Part designs；
(2), hot-setting adhesive carries out wall scroll design with reference to reinforcement steel disc typesetting, using positioning process hole as location base
Accurate；
(3), by steel band carrying out punch process for the first time, punching press for the first time must comprise positioning process hole；
(4), making localization tool, localization tool uses aluminium sheet or bakelite plate material to make, determining on tool
Position pin should exceed tool face about 3-5mm, by the steel band after first time punching press and the wall scroll hot-setting adhesive after cross cutting
Location borehole jack enters tool positioning needle, uses flatiron pressing hot-setting adhesive after pressing, allows it be pasted on punching press for the first time
After steel band on；
(5), use hot press that the steel band after hot pressure hot-setting adhesive is carried out pressing, the heating board of hot press and under
The guiding of force fit plate uses four guide pillar structures to guide, and is provided with temperature control system in heating board, and temperature control system uses 4
Heat-generating pipe side-by-side configuration makes；
(6), by the steel band after pressing hot-setting adhesive using laminating machine laminating, laminating parameter is upper glue roller 150 DEG C,
Lower rubber roller 140 DEG C, speed 0.3m/min；
(7), by the steel band after laminating hot-setting adhesive carry out second time punching press, during punching press, use location work for the second time
Skill hole positions, and makes difform reinforcement steel disc product according to demand.
The present invention solves the technical scheme of its technical problem employing and further comprises:
Fabrication hole is offered, the outer edge distance technique of the hot-setting adhesive around fabrication hole on described steel disc body
The outer edge in hole is 0.15～0.3mm.
Described material strip support part is respectively provided on two sides with hole, location, and each steel disc body is provided with one
Hole, individual location.
Described reinforcement steel disc is provided with two rows.
The wall scroll gummed paper length of described hot-setting adhesive is at 150mm.
The invention has the beneficial effects as follows: the present invention according to hot-setting adhesive overflow glue producing cause with hot-setting adhesive kind,
Pressing parameter, shape of product and size etc., be recessed in hot-setting adhesive reinforcement steel disc 0.15 to 0.3mm, can solve
Certainly hot-setting adhesive overflows glue and the problem that causes FPC disabler.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is monolithic Facad structure schematic diagram of the present invention.
Fig. 2 is monolithic structure schematic diagram of the present invention.
Fig. 3 is monolithic cross-sectional view of the present invention.
Fig. 4 is material-strap structure schematic diagram of the present invention.
In figure, 1-steel disc body, 2-hot-setting adhesive, 3-fabrication hole, 4-material strip support part, 5-positions hole.
Detailed description of the invention
The present embodiment is the preferred embodiment for the present invention, other its principles all and basic structure and the present embodiment phase
Same or approximation, all within scope.
Refer to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, in the present invention, reinforcement steel disc mainly includes steel disc body 1 He
Hot-setting adhesive 2, together with hot-setting adhesive 2 is fixedly installed with steel disc body 1, hot-setting adhesive 2 be recessed in reinforcement steel disc this
The outer edge 0.15～0.3mm of the outer edge distance steel disc body 1 of body 0.15～0.3mm, i.e. hot-setting adhesive 2, its
Can effectively ensure the bonding strength between reinforcement steel disc and FPC, can effectively solve again hot-setting adhesive 2 and exist
Excessive glue problem in hot pressing.In the present embodiment, steel disc body 1 offers fabrication hole 3, fabrication hole
Also being provided with hot-setting adhesive 2 around 3, the outer edge of the outer edge distance fabrication hole 3 of hot-setting adhesive 2 is also
0.15～0.3mm.
Refer to accompanying drawing 4, the present invention protects a Seed packaged band simultaneously, and it stamps out single steel disc body on steel band
1 is formed, and material strip includes the single steel disc body 1 of more than material strip support part 4 and a row, in the present embodiment,
Steel disc body 1 is provided with two rows, and material strip support part 4 is respectively provided on two sides with hole 5, location, corresponding to each steel disc
Body 1 is provided with hole 5, a location.
The present invention protects the manufacture method of a kind of above-mentioned material strip simultaneously, and manufacturing process comprises the steps:
1, design hot-setting adhesive and reinforcement steel disc, owing to bi-material is required to design size, arrangement etc., design
The most in no particular order:
A, hot-setting adhesive design: with reinforcement steel disc a size of radix, hot-setting adhesive is recessed in reinforcement steel disc body
0.15～0.3mm；
B, reinforcement steel disc design: carry out typesetting according to reinforcement steel disc size, must related positioning process during typesetting
Typesetting is designed in hole 5 together, meanwhile, carries out punching mold part design according to typesetting, rushes according to typesetting
Compression mould Element Design, positioning process hole 5 is designed in steel band scrap area (i.e. material strip support part 4), uses
In gummed paper location and the location of second time punching press；
2, hot-setting adhesive carries out wall scroll design with reference to reinforcement steel disc typesetting, with the positioning process on reinforcement steel disc material strip
Hole 5 is as positioning datum.In order to ensure machining accuracy, wall scroll gummed paper length is adopted at about 150mm, gummed paper
Make of cutting die cross cutting or hardware stamping die stamping production method；
3, use high velocity ram machine (punching speed 300 times/min of ＞) that steel band carries out punch process for the first time, first
Secondary punching press comprises the positioning process hole 5 on material strip and fabrication hole 3 punch forming together on product；
4, making localization tool, localization tool uses aluminium sheet or bakelite plate material to make.Positioning needle on tool
Tool face about 3-5mm should be exceeded, the steel band after first time punching press and the wall scroll hot-setting adhesive after cross cutting are positioned
Borehole jack enters tool positioning needle, uses flatiron pressing hot-setting adhesive after pressing, after allowing it be pasted on punching press for the first time
On steel band；
5, using hot press that the steel band after hot pressure hot-setting adhesive is carried out pressing, parameter during hot pressing is, air pressure
0.8Mpa, temperature 120-150 DEG C, hot pressing time is 2 seconds, and in bonding processes, pressing machine must be smooth, temperature
Uniformly just can ensure that the steel band after pressing is non-foaming with hot-setting adhesive, without impression and water wave.In order to reach this requirement,
The making using hot press in the present embodiment need to make according to the processing mode of precision die, hot press heating board
And lower force fit plate uses SKD-11 structural section to make, material passes through the cold PROCESS FOR TREATMENT of ultra-deep, and hardness can reach
HRC60-62 °, ground flat degree ＜ 0.02mm, the guiding of hot press heating board and lower force fit plate uses four to lead
Rod structure guides, and guides guide pillar and guide pin bushing uses vacuum heat processing, prevent deformation, concentricity requirement ＜
0.01mm.Temperature control system in the present embodiment uses 4 heat-generating pipe modes to make, it is ensured that heating board heating is uniformly.
6, the steel band after pressing hot-setting adhesive using laminating machine laminating, laminating parameter is upper glue roller 150 DEG C, under
Rubber roll 140 DEG C, speed 0.3m/min；
7, the steel band after laminating hot-setting adhesive use high velocity ram machine (punching speed 300 times/min of ＞) carry out second time
Punching press, uses positioning process hole 5 to position for the second time, makes difform benefit according to customer demand during punching press
Strong steel disc product, production becomes coiled strip to be easy to SMT automatic chip mounting, in the present embodiment, mends in punching course
Strong steel disc need to connect material production by fight back in mould to steel band, and after i.e. punching press is cut off, lower mold is by steel disc jack-up extremely
Origin-location in material strip, material strip uses automatic material receptacle to carry out rewinding waste discharge, uses silica gel monolayer to protect during rewinding
Cuticula (viscosity is 10-15g) is pasted on the hot-setting adhesive glue surface of reinforcement steel disc and carries out rolling, is i.e. having hot-setting adhesive
One side attaches upper silica gel single layer protection film, on the one hand plays a protective role, on the other hand, moreover it is possible to keep steel disc
Together with material strip, production becomes coiled strip to be easy to client's SMT automatic chip mounting.
The present invention according to hot-setting adhesive overflow glue producing cause with hot-setting adhesive kind, pressing parameter, shape of product and
Sizes etc., are recessed in reinforcement steel disc 0.15 to 0.3mm by hot-setting adhesive, it is possible to resolve hot-setting adhesive overflows glue and causes FPC
The problem of disabler.
Claims (7)
1. can solve a fingerprint recognition FPC reinforcement steel disc for excessive glue, it is characterized in that: described reinforcement steel disc bag
Include steel disc body and hot-setting adhesive, together with hot-setting adhesive is fixedly installed with steel disc body, the outside of hot-setting adhesive
Outer edge along distance steel disc body is 0.15～0.3mm.
The fingerprint recognition FPC reinforcement steel disc that can solve excessive glue the most according to claim 1, is characterized in that:
Fabrication hole is offered, the outer edge distance technique of the hot-setting adhesive around fabrication hole on described steel disc body
The outer edge in hole is 0.15～0.3mm.
3. a reinforcement steel disc material strip, is characterized in that: described material strip includes more than material strip support part and a row
Reinforcement steel disc as claimed in claim 1 or 2, reinforcement steel disc is arranged in material strip support part.
Reinforcement steel disc material strip the most according to claim 3, is characterized in that: described material strip support part two
Side is respectively equipped with hole, location, and each steel disc body is provided with hole, a location.
Reinforcement steel disc material strip the most according to claim 3, is characterized in that: described reinforcement steel disc is provided with two
Row.
6. a processing method for reinforcement steel disc material strip as claimed in claim 3, is characterized in that: described side
Method comprises the steps:
(1), design hot-setting adhesive and reinforcement steel disc:
A, hot-setting adhesive design: hot-setting adhesive is inside contracted design, in hot-setting adhesive with reinforcement steel disc a size of radix
Shrink in reinforcement steel disc body 0.15～0.3mm；
B, reinforcement steel disc design: carry out typesetting according to reinforcement steel disc size, carry out diel zero according to typesetting
Part designs；
(2), hot-setting adhesive carries out wall scroll design with reference to reinforcement steel disc typesetting, using positioning process hole as location base
Accurate；
(3), by steel band carrying out punch process for the first time, punching press for the first time must comprise positioning process hole；
(4), making localization tool, localization tool uses aluminium sheet or bakelite plate material to make, determining on tool
Position pin should exceed tool face about 3-5mm, by the steel band after first time punching press and the wall scroll hot-setting adhesive after cross cutting
Location borehole jack enters tool positioning needle, uses flatiron pressing hot-setting adhesive after pressing, allows it be pasted on punching press for the first time
After steel band on；
(5), use hot press that the steel band after hot pressure hot-setting adhesive is carried out pressing, the heating board of hot press and under
The guiding of force fit plate uses four guide pillar structures to guide, and is provided with temperature control system in heating board, and temperature control system uses 4
Heat-generating pipe side-by-side configuration makes；
(6), by the steel band after pressing hot-setting adhesive using laminating machine laminating, laminating parameter is upper glue roller 150 DEG C,
Lower rubber roller 140 DEG C, speed 0.3m/min；
(7), by the steel band after laminating hot-setting adhesive carry out second time punching press, during punching press, use location work for the second time
Skill hole positions, and makes difform reinforcement steel disc product according to demand.
Processing method the most according to claim 6, is characterized in that: the wall scroll gummed paper of described hot-setting adhesive is long
Degree is at 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610423300.XA CN105939567A (en) | 2016-06-13 | 2016-06-13 | Fingerprint identification FPC reinforcing steel sheet and material strip capable of solving adhesive overflow and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610423300.XA CN105939567A (en) | 2016-06-13 | 2016-06-13 | Fingerprint identification FPC reinforcing steel sheet and material strip capable of solving adhesive overflow and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105939567A true CN105939567A (en) | 2016-09-14 |
Family
ID=56872516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610423300.XA Pending CN105939567A (en) | 2016-06-13 | 2016-06-13 | Fingerprint identification FPC reinforcing steel sheet and material strip capable of solving adhesive overflow and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105939567A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249255A (en) * | 2017-06-09 | 2017-10-13 | 上达电子（深圳）股份有限公司 | It is die cut gummed paper applying method |
| CN108156749A (en) * | 2017-12-29 | 2018-06-12 | 江苏弘信华印电路科技有限公司 | The method for improving automatic steel sheet mounter accuracy |
| CN111818750A (en) * | 2020-05-29 | 2020-10-23 | 维沃移动通信有限公司 | Functional module and electronic equipment |
| CN112936885A (en) * | 2021-01-30 | 2021-06-11 | 昆山华乐电子科技有限公司 | Production process of steel sheet reinforcing plate |
| CN114959703A (en) * | 2022-06-10 | 2022-08-30 | 昆山迪卡特精密电子有限公司 | Continuous etching production method of module steel sheet material belt |
-
2016
- 2016-06-13 CN CN201610423300.XA patent/CN105939567A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249255A (en) * | 2017-06-09 | 2017-10-13 | 上达电子（深圳）股份有限公司 | It is die cut gummed paper applying method |
| CN108156749A (en) * | 2017-12-29 | 2018-06-12 | 江苏弘信华印电路科技有限公司 | The method for improving automatic steel sheet mounter accuracy |
| CN111818750A (en) * | 2020-05-29 | 2020-10-23 | 维沃移动通信有限公司 | Functional module and electronic equipment |
| CN111818750B (en) * | 2020-05-29 | 2022-01-28 | 维沃移动通信有限公司 | Functional module and electronic equipment |
| CN112936885A (en) * | 2021-01-30 | 2021-06-11 | 昆山华乐电子科技有限公司 | Production process of steel sheet reinforcing plate |
| CN114959703A (en) * | 2022-06-10 | 2022-08-30 | 昆山迪卡特精密电子有限公司 | Continuous etching production method of module steel sheet material belt |
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Legal Events
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160914 |