CN106328411B - The conduction method of film key circuit piece fluctuating plate - Google Patents
The conduction method of film key circuit piece fluctuating plate Download PDFInfo
- Publication number
- CN106328411B CN106328411B CN201610918372.1A CN201610918372A CN106328411B CN 106328411 B CN106328411 B CN 106328411B CN 201610918372 A CN201610918372 A CN 201610918372A CN 106328411 B CN106328411 B CN 106328411B
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- Prior art keywords
- piece
- conductive layer
- bottom sheet
- contact point
- layer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/018—Printed contacts; Metal foil
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of conduction methods of film key circuit piece fluctuating plate, it is sequentially coated with first upper piece conductive layer and second upper piece conductive layer on upper conducting contact point, it is sequentially coated with the first bottom sheet conductive layer and the second bottom sheet conductive layer on bottom sheet conducting contact point, first upper piece conductive layer, the second upper piece conductive layer, the second bottom sheet conductive layer and the first bottom sheet conductive layer thickness that is formed by stacking successively are slightly larger than the composite conductive layers of gum layer thickness.The present invention padded upper and lower conducting contact point in a manner that low cost is repeatedly printed, second upper piece conductive layer and the second bottom sheet conductive layer are reliably pressed together slightly larger than the Light deformation power that the thickness of gum layer generates using the thickness of composite conductive layers, so as to fulfill the conducting of button.Compared with prior art, have the advantages that at low cost, easy to process, functional reliability is high, production test and packaging technology can be simplified, improve production efficiency.
Description
The application be Application No. 201510056924.8, the applying date be on February 04th, 2015, entitled " film key
The divisional application of the new conducting structure and conduction method of circuit piece fluctuating plate ".
Technical field
The present invention relates to the key circuits of electronic product, and in particular to the conduction method of film key circuit piece fluctuating plate.
Background technology
Film key circuit piece currently on the market uses upper and lower circuit piece mostly（It is made of PET slidies）It is compound
It forms, the upper surface of the lower surface of upper circuit piece and lower circuit piece passes through gum layer after stamping the silver paste matrix circuit of X and Y respectively
It fits together, as shown in Figure 1, circuit piece 100 up and down（200）Respectively stretch out a piece of tongue piece 101,201, upper and lower circuit piece 100
（200）It is separately positioned on corresponding to the conducting contact point of each button on tongue piece 101,201, the end difference of tongue piece 101,201
Riveting has punch through style conducting terminal 102,202, and the needle stand that punch through style conducting terminal 102,202 is inserted into circuit board 300 respectively is enterprising
Row corresponding electrical connection scans the key mapping being triggered so as to form X-Y matrix press-keys circuit to microcontroller.
This film key circuit piece respectively stretches out the tongue piece of a piece of signal output for X, Y due to upper and lower circuit piece, this two
Piece tongue piece also needs to be inserted on two needle stands of circuit board by punch through style conducting terminal respectively, has the disadvantage that：1st, film is pressed
The area of key circuit piece is larger, moreover, the matrix circuit that upper and lower circuit piece is formed will stretch out certain length to be respectively inserted in electricity
On the plate of road, cost is higher；2nd, need to rivet punch through style conducting terminal respectively on two tongue pieces and be respectively inserted on needle stand, exist and add
Work the process is more complicated it is of high cost the shortcomings that.
The content of the invention
The object of the present invention is to provide a kind of cost is relatively low, processing is simple and the preferable film key circuit of functional reliability
The conduction method of piece fluctuating plate.
To achieve these goals, the present invention adopts the following technical scheme that：
The conduction method of film key circuit piece fluctuating plate, is achieved by the steps of：
S1：Prepare to be printed with the upper circuit piece of setting circuit and lower circuit piece respectively, in the lower surface shape of upper circuit piece
Into multiple upper piece conducting contact points corresponding to each row or each row button, in the upper surface of lower circuit piece formed it is multiple correspond to it is each
The bottom sheet conducting contact point of row or each row's button, each upper piece conducting contact point and bottom sheet conducting contact point are arranged at upper and lower line
Outside the key area of road on piece, and each corresponding upper piece conducting contact point and bottom sheet conducting contact point are correspondingly arranged respectively；
S2：It coats first upper piece conductive layer and second upper piece conductive layer successively on upper conducting contact point, is led in bottom sheet
It connects and coats the first bottom sheet conductive layer and the second bottom sheet conductive layer on contact successively, first upper piece conductive layer, second upper piece conduction
Layer, the second bottom sheet conductive layer and the first bottom sheet conductive layer are superimposed together to form composite conductive layers successively from top to bottom；
S3：The lower surface of upper circuit piece after step S2 processing and the upper surface of lower circuit piece is compound by gum layer
Together, control the thickness of gum layer that the thickness of composite conductive layers is caused to be slightly larger than the thickness of gum layer, it is each corresponding to be formed
Conducting pressure between upper and lower piece conducting contact；
S4：X, Y matrix circuit are led upper circuit by the upper piece conducting contact point and bottom sheet conducting contact point of corresponding conducting
Piece or lower circuit piece are drawn by line row on the FPC row's seats for being inserted in circuit board.
Big 0.01mm~the 0.10mm of the thickness of gum layer described in the thickness ratio of the composite conductive layers.
Described first upper piece conductive layer and the first bottom sheet conductive layer are using conductive silver slurry layer, described second upper piece conduction
Layer and the second bottom sheet conductive layer use conductive carbon film layer.
Described second upper piece conductive layer and the second bottom sheet conductive layer coat described first upper piece conductive layer completely respectively
With the first bottom sheet conductive layer.
After using the above program, the conduction method of film key circuit piece fluctuating plate of the invention, upper piece conducting contact point
On be sequentially coated with first upper piece conductive layer and second upper piece conductive layer, be sequentially coated with the first bottom sheet on bottom sheet conducting contact point
Conductive layer and the second bottom sheet conductive layer, first upper piece conductive layer, the second upper piece conductive layer, the second bottom sheet conductive layer and the first bottom sheet
Conductive layer is formed by stacking composite conductive layers successively, and the thickness of composite conductive layers is slightly larger than the thickness of gum layer.In this way, by it is low into
This padded upper and lower conducting contact point of mode repeatedly printed is produced using the thickness of composite conductive layers slightly larger than the thickness of gum layer
Raw Light deformation power reliably presses together second upper piece conductive layer and the second bottom sheet conductive layer, so as to fulfill button
Conducting.Form the long-acting conducting pressure of a strip between upper and lower conducting contact point through this structure, formed it is low into
This, the wire jumper technology of high-reliability.Compared with prior art, have the advantages that at low cost, easy to process, functional reliability is high,
Production test and packaging technology can be simplified, improve production efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the conducting structure of film key circuit piece fluctuating plate in the prior art；
Fig. 2 is the structure diagram of the conducting structure of film key circuit piece fluctuating plate in the present invention；
Fig. 3 is Fig. 2 partial enlarged views；
Fig. 4 is the A-A cut-away views of Fig. 3.
Specific embodiment
The new conducting structure of the film key circuit piece fluctuating plate of the present invention as in Figure 2-4, has upper circuit piece 10
With lower circuit piece 20, what the upper surface of the lower surface of upper circuit piece 10 and lower circuit piece 20 was combined with each other by gum layer 30.
The lower surface of upper circuit piece 10 is equipped with multiple upper piece conducting contact points 11 corresponding to each row or each row button, offline
The upper surface of road piece 20 is equipped with multiple corresponding to each bottom sheet conducting contact point 21 arranged or respectively arrange button；Each upper piece conducting contact
Point 11 and bottom sheet conducting contact point 21 are arranged at outside the key area of upper and lower circuit on piece, and each corresponding upper piece conducting contact
Point 11 and bottom sheet conducting contact point 21 are correspondingly arranged respectively.
It is connect on upper piece conducting contact point 11 coated with first upper piece conductive layer 12 and second upper piece conductive layer 13, bottom sheet conducting
It is led on contact 21 coated with the first bottom sheet conductive layer 22 and the second bottom sheet conductive layer 23, the first upper piece conductive layer 12, second upper piece
Electric layer 13, the second bottom sheet conductive layer 23 and the first bottom sheet conductive layer 22 are superimposed together to form composite conducting successively from top to bottom
Layer, the thickness of composite conductive layers are slightly larger than the thickness of gum layer 30, in the present embodiment, the thickness ratio gum layer 30 of composite conductive layers
The big 0.01mm~0.10mm of thickness.
X, Y matrix circuit are led upper circuit by the upper piece conducting contact point 11 and bottom sheet conducting contact point 21 of corresponding conducting
Piece 10 or lower circuit piece 20 are drawn by line row 40 on the FPC row's seats for being inserted in circuit board.
The new conduction method of the film key circuit piece fluctuating plate of the present invention, is achieved by the steps of：
S1：Prepare to be printed with the upper circuit piece 10 of setting circuit and lower circuit piece 20 respectively, in the present embodiment, exist respectively
The lower surface of upper circuit piece and the upper surface of lower circuit piece are printed on the silver paste matrix circuit of X, Y.In the lower surface of upper circuit piece 10
Multiple upper piece conducting contact points 11 corresponding to each row or each row button are formed, it is multiple right to be formed in the upper surface of lower circuit piece 20
Should be in each row or the bottom sheet conducting contact point 21 of each row's button, each upper piece conducting contact point 11 and bottom sheet conducting contact point 21 are set
It is placed in outside the key area of upper and lower circuit on piece, and each corresponding upper piece conducting contact point 11 and bottom sheet conducting contact point 21 minutes
It is not correspondingly arranged；
S2：Coat first upper piece conductive layer 12 and second upper piece conductive layer 13 successively on upper conducting contact point 11,
Coat the first bottom sheet conductive layer 22 and the second bottom sheet conductive layer 23 on bottom sheet conducting contact point 21 successively, first upper piece conductive layer
12nd, the second upper piece conductive layer 13, the second bottom sheet conductive layer 23 and the first bottom sheet conductive layer 22 is superimposed together successively from top to bottom
Form composite conductive layers；
S3：The upper surface of the lower surface of upper circuit piece 10 after step S2 processing and lower circuit piece 20 is passed through into gum layer
30 are combined with each other, and the thickness of control gum layer 30 causes the thickness of composite conductive layers to be slightly larger than the thickness of gum layer 30, this reality
It applies in example, the big 0.01mm~0.10mm of thickness of the thickness ratio gum layer 30 of composite conductive layers, to form each corresponding upper and lower piece
Turn on the conducting pressure between contact；
S4：The upper piece conducting contact point 11 and bottom sheet conducting contact point 21 of corresponding conducting lead X, Y matrix circuit upper
Circuit piece 10 or lower circuit piece 20 are drawn by line row 40 on the FPC row's seats for being inserted in circuit board.
In the present invention, first upper piece conductive layer and the first bottom sheet conductive layer are using conductive silver slurry layer, second upper piece conductive layer
Conductive carbon film layer is used with the second bottom sheet conductive layer.And second upper piece conductive layer and the second bottom sheet conductive layer cladding completely respectively
First upper piece conductive layer and the first bottom sheet conductive layer.
Claims (4)
1. the conduction method of film key circuit piece fluctuating plate, which is characterized in that be achieved by the steps of：
S1：Prepare to be printed with the upper circuit piece of setting circuit and lower circuit piece respectively, be formed in the lower surface of upper circuit piece more
A upper piece conducting contact point corresponding to each row or each row button, in the upper surface of lower circuit piece formed it is multiple correspond to each row or
The bottom sheet conducting contact point of each row's button, each upper piece conducting contact point and bottom sheet conducting contact point are arranged at upper and lower circuit piece
On key area outside, and each corresponding upper piece conducting contact point and bottom sheet conducting contact point are correspondingly arranged respectively；
S2：It coats first upper piece conductive layer and second upper piece conductive layer successively on upper conducting contact point, is connect in bottom sheet conducting
Coat the first bottom sheet conductive layer and the second bottom sheet conductive layer on contact successively, first upper piece conductive layer, the second upper piece conductive layer,
Two bottom sheet conductive layers and the first bottom sheet conductive layer are superimposed together to form composite conductive layers successively from top to bottom；
S3：The upper surface of the lower surface of upper circuit piece after step S2 processing and lower circuit piece is compounded in one by gum layer
It rises, controls the thickness of gum layer that the thickness of composite conductive layers is caused to be more than the thickness of gum layer, to form each corresponding upper and lower piece
Turn on the conducting pressure between contact；
S4：The upper piece conducting contact point and bottom sheet conducting contact point of corresponding conducting by X, Y matrix circuit lead upper circuit piece or
Lower circuit piece is drawn by line row on the FPC row's seats for being inserted in circuit board.
2. the conduction method of film key circuit piece fluctuating plate according to claim 1, it is characterised in that：The composite guide
Big 0.01mm~the 0.10mm of the thickness of gum layer described in the thickness ratio of electric layer.
3. the conduction method of film key circuit piece fluctuating plate according to claim 1, it is characterised in that：On described first
Using conductive silver slurry layer, described second upper piece conductive layer and second bottom sheet are led for piece conductive layer and the first bottom sheet conductive layer
Electric layer uses conductive carbon film layer.
4. the conduction method of film key circuit piece fluctuating plate according to claim 1, it is characterised in that：On described second
Piece conductive layer and the second bottom sheet conductive layer coat described first upper piece conductive layer completely respectively and first bottom sheet is conductive
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918372.1A CN106328411B (en) | 2015-02-04 | 2015-02-04 | The conduction method of film key circuit piece fluctuating plate |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918372.1A CN106328411B (en) | 2015-02-04 | 2015-02-04 | The conduction method of film key circuit piece fluctuating plate |
| CN201510056924.8A CN104637714B (en) | 2015-02-04 | 2015-02-04 | The new conducting structure and conduction method of film key circuit piece fluctuating plate |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510056924.8A Division CN104637714B (en) | 2015-02-04 | 2015-02-04 | The new conducting structure and conduction method of film key circuit piece fluctuating plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106328411A CN106328411A (en) | 2017-01-11 |
| CN106328411B true CN106328411B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610918372.1A Active CN106328411B (en) | 2015-02-04 | 2015-02-04 | The conduction method of film key circuit piece fluctuating plate |
| CN201510056924.8A Active CN104637714B (en) | 2015-02-04 | 2015-02-04 | The new conducting structure and conduction method of film key circuit piece fluctuating plate |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510056924.8A Active CN104637714B (en) | 2015-02-04 | 2015-02-04 | The new conducting structure and conduction method of film key circuit piece fluctuating plate |
Country Status (1)
| Country | Link |
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| CN (2) | CN106328411B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6360962B2 (en) * | 2015-02-04 | 2018-07-18 | 廈門頂尖電子有限公司 | New conductive structure and conductive method for upper and lower sheet of thin film button circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651921Y (en) * | 2003-08-28 | 2004-10-27 | 达方电子股份有限公司 | Thin-film circuit assembly and luminescent key therewith |
| KR20070081513A (en) * | 2006-02-13 | 2007-08-17 | 주식회사 삼영테크놀로지 | Keypad for a mobile phone embodying tectile impression by elasticity of a film and method for manufacturing thereof |
| TW200945394A (en) * | 2008-04-23 | 2009-11-01 | Camma Optical Co Ltd | Touch panel |
| CN103117183A (en) * | 2011-11-17 | 2013-05-22 | 株式会社Magma | Thin type key switch |
| CN203038830U (en) * | 2012-12-29 | 2013-07-03 | 嘉兴淳祥电子科技有限公司 | Thin-film switch line connection mode |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100991749B1 (en) * | 2008-05-20 | 2010-11-03 | (주)미내사시스템 | Switch sheet of membrane |
| CN201590360U (en) * | 2009-12-31 | 2010-09-22 | 广东德怡电子科技有限公司 | Moistureproof membrane switch |
| CN201655615U (en) * | 2009-12-31 | 2010-11-24 | 广东德怡电子科技有限公司 | Thin-film switch |
| CN204464123U (en) * | 2015-02-04 | 2015-07-08 | 厦门顶尖电子有限公司 | The novel conducting structure of film key circuit sheet fluctuating plate |
-
2015
- 2015-02-04 CN CN201610918372.1A patent/CN106328411B/en active Active
- 2015-02-04 CN CN201510056924.8A patent/CN104637714B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651921Y (en) * | 2003-08-28 | 2004-10-27 | 达方电子股份有限公司 | Thin-film circuit assembly and luminescent key therewith |
| KR20070081513A (en) * | 2006-02-13 | 2007-08-17 | 주식회사 삼영테크놀로지 | Keypad for a mobile phone embodying tectile impression by elasticity of a film and method for manufacturing thereof |
| TW200945394A (en) * | 2008-04-23 | 2009-11-01 | Camma Optical Co Ltd | Touch panel |
| CN103117183A (en) * | 2011-11-17 | 2013-05-22 | 株式会社Magma | Thin type key switch |
| CN203038830U (en) * | 2012-12-29 | 2013-07-03 | 嘉兴淳祥电子科技有限公司 | Thin-film switch line connection mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104637714A (en) | 2015-05-20 |
| CN104637714B (en) | 2017-03-29 |
| CN106328411A (en) | 2017-01-11 |
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