CN106328411A - Method for connecting upper and lower pieces of thin film button circuit piece - Google Patents
Method for connecting upper and lower pieces of thin film button circuit piece Download PDFInfo
- Publication number
- CN106328411A CN106328411A CN201610918372.1A CN201610918372A CN106328411A CN 106328411 A CN106328411 A CN 106328411A CN 201610918372 A CN201610918372 A CN 201610918372A CN 106328411 A CN106328411 A CN 106328411A
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- China
- Prior art keywords
- sheet
- conductive layer
- layer
- contact point
- bottom sheet
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Classifications
-
- 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 method for connecting upper and lower pieces of a thin film button circuit piece. Each upper piece connecting contact point is sequentially coated with a first upper piece conductive layer and a second upper piece conductive layer, each lower piece connecting contact point is sequentially coated with a first lower piece conductive layer and a second lower piece conductive layer, and the first upper piece conductive layers, the second upper piece conductive layers, the second lower piece conductive layers and the first lower piece conductive layers are sequentially overlapped to form a composite conductive layer, wherein the thickness of the composite conductive layer is slightly larger than that of a back adhesive layer. The upper connecting contact points and the lower connecting contact points are heightened at a low cost through multiple times of printing, micro deformation force which is generated by small difference between the thickness of the composite conductive layer and the thickness of the back adhesive layer is utilized for reliably pressing the second upper piece conductive layers and the second lower piece conductive layers to be fitted, and therefore button connecting is achieved. Compared with the prior art, the method has the advantages that cost is low, machining is convenient, and work reliability is high; production tests and an assembling process can be simplified, and production efficiency can be improved.
Description
The application is Application No. 201510056924.8, filing date on 02 04th, 2015, entitled " film key
The novel conducting structure of circuit sheet fluctuating plate and conduction method " divisional application.
Technical field
The present invention relates to the key circuit of electronic product, be specifically related to the conduction method of film key circuit sheet fluctuating plate.
Background technology
Film key circuit sheet in the market uses upper and lower circuit sheet (using PET slide to make) compound mostly
Form, the lower surface of upper circuit sheet and the upper surface of lower circuit sheet stamp respectively X Yu Y silver slurry matrix circuit after pass through gum layer
Fit together, as it is shown in figure 1, circuit sheet 100(200 up and down) respectively stretch out a piece of tongue piece 101,201, upper and lower circuit sheet 100
(200) the conducting contact point corresponding to each button is separately positioned on tongue piece 101,201, and the end of tongue piece 101,201 is respectively
Riveting has punch through style conducting terminal 102,202, and the needle stand that punch through style conducting terminal 102,202 inserts circuit board 300 respectively is enterprising
The corresponding electrical connection of row, thus form X-Y matrix press-key circuit and scan the key mapping being triggered to single-chip microcomputer.
This film key circuit sheet is the tongue piece of a piece of signal output for X, Y owing to upper and lower circuit sheet respectively stretches out, and these are two years old
Sheet tongue piece also needs to be inserted on two needle stands of circuit board by punch through style conducting terminal respectively, have a disadvantage in that 1, thin film by
The area of key circuit sheet is relatively big, and, the matrix circuit that upper and lower circuit sheet is formed to stretch out certain length respectively to be inserted in electricity
On the plate of road, relatively costly；2, need on two tongue pieces rivet punch through style conducting terminal respectively and be respectively inserted on needle stand, exist and add
The shortcoming that the complex cost of work technique is high.
Summary of the invention
It is an object of the invention to provide that a kind of cost is relatively low, processing is simple and functional reliability preferable film key circuit
The conduction method of sheet fluctuating plate.
To achieve these goals, the present invention adopts the following technical scheme that
The conduction method of film key circuit sheet fluctuating plate, is achieved by the steps of:
S1: preparing to be printed with the most respectively to set the upper circuit sheet of circuit and lower circuit sheet, the lower surface in upper circuit sheet is formed many
Individual upper slice conducting contact point corresponding to each row or each row button, the upper surface in lower circuit sheet formed multiple corresponding to each row or
Each bottom sheet conducting contact point arranging button, on each, a conducting contact point and bottom sheet conducting contact point are arranged at upper and lower circuit sheet
On key area outside, and each go up a conducting contact point accordingly and bottom sheet conducting contact point is correspondingly arranged respectively；
S2: coat first upper slice conductive layer and second upper slice conductive layer on upper conducting contact point successively, connect in bottom sheet conducting
Coat the first bottom sheet conductive layer and the second bottom sheet conductive layer on contact successively, first upper slice conductive layer, second upper slice conductive layer,
Two bottom sheet conductive layers and the first bottom sheet conductive layer are superimposed together formation composite conductive layers the most successively；
S3: the lower surface of upper circuit sheet after step S2 processes and the upper surface of lower circuit sheet are compounded in one by gum layer
Rising, the thickness controlling gum layer makes the thickness thickness slightly larger than gum layer of composite conductive layers, each the most upper and lower to be formed
Conducting pressure between sheet conducting contact；
Upper slice conducting contact point of S4: corresponding conducting and bottom sheet conducting contact point X, Y matrix circuit is led upper circuit sheet or
Lower circuit sheet is drawn by line row on the FPC row's seat being inserted in circuit board.
Thickness 0.01mm～0.10mm bigger than the thickness of described gum layer of described composite conductive layers.
Described first upper slice conductive layer and described first bottom sheet conductive layer use conductive silver slurry layer, described second upper slice conduction
Layer and described second bottom sheet conductive layer use conductive carbon film layer.
Described second upper slice conductive layer and described second bottom sheet conductive layer are coated with described first upper slice conductive layer the most completely
With described first bottom sheet conductive layer.
Use after such scheme, the conduction method of the film key circuit sheet fluctuating plate of the present invention, upper slice conducting contact point
On be sequentially coated with first upper slice conductive layer and second upper slice conductive layer, bottom sheet conducting contact point is sequentially coated with the first bottom sheet
Conductive layer and the second bottom sheet conductive layer, first upper slice conductive layer, second upper slice 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.So, by low one-tenth
This padded upper and lower conducting contact point of mode repeatedly printed, utilizes the thickness of composite conductive layers to produce slightly larger than the thickness of gum layer
Second upper slice conductive layer and described second bottom sheet conductive layer are reliably pressed together by raw Light deformation power, thus realize button
Conducting.Between upper and lower conducting contact point, formed the long-acting conducting pressure of a strip by such structure, form low one-tenth
This, the wire jumper technology of high-reliability.Compared with prior art, there is low cost, the advantage that easy to process, functional reliability is high,
Production test and packaging technology can be simplified, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the conducting structure of film key circuit sheet fluctuating plate in prior art；
Fig. 2 is the structural representation of the conducting structure of film key circuit sheet fluctuating plate in the present invention；
Fig. 3 is Fig. 2 partial enlarged drawing；
Fig. 4 is the A-A cut-away view of Fig. 3.
Detailed description of the invention
The novel conducting structure of the film key circuit sheet fluctuating plate of the present invention, as in Figure 2-4, has upper circuit sheet 10
With lower circuit sheet 20, the lower surface of upper circuit sheet 10 passes through what gum layer 30 was combined with each other with the upper surface of lower circuit sheet 20.
The lower surface of upper circuit sheet 10 is provided with multiple upper slice conducting contact point 11 corresponding to each row or each row button, rolls off the production line
The upper surface of road sheet 20 is provided with multiple corresponding to each row or each bottom sheet conducting contact point 21 arranging button；A conducting contact on each
Point 11 and bottom sheet conducting contact point 21 are arranged at outside the key area on upper and lower circuit sheet, and each go up a conducting contact accordingly
Point 11 and bottom sheet conducting contact point 21 are correspondingly arranged respectively.
Being coated with first upper slice conductive layer 12 and second upper slice conductive layer 13 on upper slice conducting contact point 11, bottom sheet conducting connects
Being coated with the first bottom sheet conductive layer 22 and the second bottom sheet conductive layer 23 on contact 21, first upper slice conductive layer 12, second upper slice is led
Electric layer the 13, second bottom sheet conductive layer 23 and the first bottom sheet conductive layer 22 are superimposed together formation composite conducting the most successively
Layer, the thickness of composite conductive layers is slightly larger than the thickness of gum layer 30, and in the present embodiment, the thickness of composite conductive layers is than gum layer 30
Big 0.01mm～0.10mm of thickness.
X, Y matrix circuit is led upper circuit by upper slice conducting contact point 11 and the bottom sheet conducting contact point 21 of corresponding conducting
Sheet 10 or lower circuit sheet 20 are inserted on FPC row's seat of circuit board by line row 40 extraction.
The novel conduction method of the film key circuit sheet fluctuating plate of the present invention, is achieved by the steps of:
S1: prepare to be printed with the most respectively to set the upper circuit sheet 10 of circuit and lower circuit sheet 20, in the present embodiment, reaching the standard grade respectively
The lower surface of road sheet and the upper surface of lower circuit sheet are printed on the silver slurry matrix circuit of X, Y.Lower surface in upper circuit sheet 10 is formed
Multiple upper slice conducting contact points 11 corresponding to each row or each row button, the upper surface in lower circuit sheet 20 forms multiple corresponding to
Each row or each bottom sheet conducting contact point 21 arranging button, on each, a conducting contact point 11 and bottom sheet conducting contact point 21 are arranged at
Outside key area on upper and lower circuit sheet, and each go up a conducting contact point 11 accordingly and bottom sheet conducting contact point 21 is the most right
Should arrange；
S2: coat first upper slice conductive layer 12 and second upper slice conductive layer 13 on upper conducting contact point 11 successively, in bottom sheet
The first bottom sheet conductive layer 22 and the second bottom sheet conductive layer 23 is coated successively, first upper slice conductive layer 12, on conducting contact point 21
The formation that is superimposed together the most successively of two upper slice conductive layer the 13, second bottom sheet conductive layers 23 and the first bottom sheet conductive layer 22 is multiple
Close conductive layer；
S3: the lower surface of the upper circuit sheet 10 after step S2 processes is multiple by gum layer 30 with the upper surface of lower circuit sheet 20
Being combined, the thickness controlling gum layer 30 makes the thickness thickness slightly larger than gum layer 30 of composite conductive layers, the present embodiment
In, thickness 0.01mm～0.10mm bigger than the thickness of gum layer 30 of composite conductive layers, to form each the most upper and lower conducting
Conducting pressure between contact；
X, Y matrix circuit is led upper circuit by upper slice conducting contact point 11 and the bottom sheet conducting contact point 21 of S4: corresponding conducting
Sheet 10 or lower circuit sheet 20 are inserted on FPC row's seat of circuit board by line row 40 extraction.
In the present invention, first upper slice conductive layer and the first bottom sheet conductive layer use conductive silver slurry layer, second upper slice conductive layer
Conductive carbon film layer is used with the second bottom sheet conductive layer.And second upper slice conductive layer and the second bottom sheet conductive layer are coated with the most completely
First upper slice conductive layer and the first bottom sheet conductive layer.
Claims (4)
1. the novel conduction method of film key circuit sheet fluctuating plate, it is characterised in that be achieved by the steps of:
S1: preparing to be printed with the most respectively to set the upper circuit sheet of circuit and lower circuit sheet, the lower surface in upper circuit sheet is formed many
Individual upper slice conducting contact point corresponding to each row or each row button, the upper surface in lower circuit sheet formed multiple corresponding to each row or
Each bottom sheet conducting contact point arranging button, on each, a conducting contact point and bottom sheet conducting contact point are arranged at upper and lower circuit sheet
On key area outside, and each go up a conducting contact point accordingly and bottom sheet conducting contact point is correspondingly arranged respectively；
S2: coat first upper slice conductive layer and second upper slice conductive layer on upper conducting contact point successively, connect in bottom sheet conducting
Coat the first bottom sheet conductive layer and the second bottom sheet conductive layer on contact successively, first upper slice conductive layer, second upper slice conductive layer,
Two bottom sheet conductive layers and the first bottom sheet conductive layer are superimposed together formation composite conductive layers the most successively；
S3: the lower surface of upper circuit sheet after step S2 processes and the upper surface of lower circuit sheet are compounded in one by gum layer
Rising, the thickness controlling gum layer makes the thickness thickness slightly larger than gum layer of composite conductive layers, each the most upper and lower to be formed
Conducting pressure between sheet conducting contact；
Upper slice conducting contact point of S4: corresponding conducting and bottom sheet conducting contact point X, Y matrix circuit is led upper circuit sheet or
Lower circuit sheet is drawn by line row on the FPC row's seat being inserted in circuit board.
The conduction method of film key circuit sheet fluctuating plate the most according to claim 1, it is characterised in that: described composite guide
Thickness 0.01mm～0.10mm bigger than the thickness of described gum layer of electric layer.
The conduction method of film key circuit sheet fluctuating plate the most according to claim 1, it is characterised in that: on described first
Sheet conductive layer and described first bottom sheet conductive layer use conductive silver slurry layer, described second upper slice conductive layer and described second bottom sheet to lead
Electric layer uses conductive carbon film layer.
The conduction method of film key circuit sheet fluctuating plate the most according to claim 1, it is characterised in that: on described second
Sheet conductive layer and described second bottom sheet conductive layer are coated with described first upper slice conductive layer and described first bottom sheet conduction the most completely
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 |
|---|---|---|---|
| CN201510056924.8A CN104637714B (en) | 2015-02-04 | 2015-02-04 | The new conducting structure and conduction method of film key circuit piece fluctuating plate |
| CN201610918372.1A CN106328411B (en) | 2015-02-04 | 2015-02-04 | The 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 true CN106328411A (en) | 2017-01-11 |
| CN106328411B CN106328411B (en) | 2018-06-05 |
Family
ID=53216340
Family Applications (2)
| 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 |
| CN201610918372.1A Active CN106328411B (en) | 2015-02-04 | 2015-02-04 | The conduction method of film key circuit piece fluctuating plate |
Family Applications Before (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 |
|---|---|
| CN (2) | CN104637714B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160379773A1 (en) * | 2015-02-04 | 2016-12-29 | Xiamen Pinnacle Electrical Co., Ltd. | Novel conducting structure and conducting method for upper sheet and lower sheet of 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 |
| CN201655615U (en) * | 2009-12-31 | 2010-11-24 | 广东德怡电子科技有限公司 | Thin-film switch |
| CN201590360U (en) * | 2009-12-31 | 2010-09-22 | 广东德怡电子科技有限公司 | Moistureproof membrane 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 CN201510056924.8A patent/CN104637714B/en active Active
- 2015-02-04 CN CN201610918372.1A patent/CN106328411B/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 |
| CN106328411B (en) | 2018-06-05 |
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