CN203261631U - Weldable conductive foam - Google Patents
Weldable conductive foam Download PDFInfo
- Publication number
- CN203261631U CN203261631U CN 201320213181 CN201320213181U CN203261631U CN 203261631 U CN203261631 U CN 203261631U CN 201320213181 CN201320213181 CN 201320213181 CN 201320213181 U CN201320213181 U CN 201320213181U CN 203261631 U CN203261631 U CN 203261631U
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- layer
- conductive
- foam
- conducting foam
- welds
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Abstract
A weldable conductive foam comprises a foam body. The foam body is composed of an elastic foam body and an outer structure. The weldable conductive foam is characterized in that: a rubber layer is provided outside the elastic foam body; conductive cloth is coated outside the rubber layer; the conductive cloth comprises a conductive cloth body and a conductive layer; the conductive layer has an electroplated double-layer structure which respectively comprises an electroplated copper layer and an electroplated nickel layer from inside to outside; the bottom end of the foam body is provided with a welded plate; and elastic welding terminals are arranged at the edge of the welded plate. The weldable conductive foam provided by the utility model is used through welding and can ensure adhesiveness and contact strength of the foam to a circuit board. The weldable conductive foam has better conductive diamagnetism and elastic restoring force, and furthermore can be detached for repeated use through welding.
Description
Technical field
The utility model relates to a kind of for electronic product especially the welded conducting foam of printed circuit board (PCB).
Background technology
Conducting foam normally is composited by foamed substrate and electric conducting material, is mainly used in the electronic products such as display screen, cell phone apparatus, antenna chip, plays conduction, fills the effects such as gap or EMI shielding.Existing conducting foam is generally adhesive structure, comprises the elastic foam body, is coated on this external conductive layer and tack coat, and tack coat generally adopts heat-resisting two-sided tape, is bonded in the desired position by adhesive tape during use.This structure is easy to use, but the adhesive tape adhesive structure can cause the conducting foam impedance larger, and adhesiveness is relatively poor, can not guarantee that conducting foam and circuit board have contact strength preferably, and can not reuse.In addition, the material that conducting foam body and conductive layer use is different, will directly have influence on the performances such as the conductivity of conducting foam, diamagnetic jamming performance and elasticity, causes conducting foam can not well bring into play its due effect.
The utility model content
The purpose of this utility model is the conducting foam above shortcomings for traditional adhesive structure, and a kind of welded conducting foam that uses on circuit board that is fixed by welding in is provided.
The technical solution of the utility model is: a kind of conducting foam that welds, comprise foamed cotton, foamed cotton is comprised of elastic foam body and its external structure, described elastic foam body is coated with rubberised layer, and rubberised layer is coated with conductive fabric, and conductive fabric comprises conductive fabric body and conductive layer, conductive layer is the electroplating double-layer structure, be followed successively by from inside to outside copper electroplating layer and electroless nickel layer, described foamed cotton bottom is equipped with welded plate, and the welded plate edge is provided with the elasticity solder terminal.
Preferably: the elasticity solder terminal comprises the insulation elastic core, is coated on the outer insulation rubberised layer of insulation elastic core, and the insulation rubberised layer is coated with heat resistant polymer film, and the bottom of heat resistant polymer film is provided with metal welding contact pin.
Preferably: the elastic foam body is electric silica gel.
Preferably: conductive fabric is conductive carbon fibre cloth.
Preferably: welded plate is rectangular structure, and the elasticity solder terminal is evenly distributed on the welded plate edge.
Preferably: the conductive fabric conductive layer scribbles anti oxidation layer outward.
Preferably: the outer anti oxidation layer of conductive fabric conductive layer is electrotinning.
The beneficial effects of the utility model are: (1) in the bottom design of conducting foam the structure of welded plate and elasticity solder terminal, realize that conducting foam can weld, guaranteeing has adhesiveness and contact strength preferably between conducting foam and circuit board.(2) conductive layer of conductive fabric adopts the double-decker of electronickelling and electro-coppering, namely guarantees to conduct electricity preferably diamagnetism to guarantee again anticorrosive property preferably.Scribble again anti oxidation layer outside electronickelling, further guarantee the non-oxidizability of conducting foam, increase the service life.(3) electric silica gel hardness is moderate, has the close effect of high-conductivity and aqueous vapor, can effectively improve the Electric Field Distribution of insulation screen, adopts electric silica gel as electrically conductive elastic foam bulk material, can realize conducting electricity preferably and electromagnetic shielding action.(4) foam body and solder terminal all have elastic performance preferably, and flexibility is good, make can weld conducting foam and have that elastic restoring force is excellent preferably, and frangibility distortion, applicability is strong.(5) conducting foam after the welding is reusable after removing through welding.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
A kind of conducting foam that welds; Comprise foamed cotton; Foamed cotton is comprised of elastic foam body 1 and its external structure; Elastic foam body 1 is coated with rubberised layer 2; Rubberised layer 2 is coated with conductive fabric 3; Conductive fabric 3 is conductive carbon fibre cloth; Distribution of resistance is even; Good conductivity; Conductive fabric 3 comprises conductive fabric body and conductive layer; Conductive layer is the electroplating double-layer structure; Be followed successively by from inside to outside copper electroplating layer and electroless nickel layer; Conductive layer scribbles the electrotinning layer outward as anti oxidation layer; Guarantee the anti-oxidant and anti-corrosive properties of conducting foam; The foamed cotton bottom is equipped with welded plate 4; Welded plate 4 edges are provided with elasticity solder terminal 5; Welded plate 4 is rectangular structure; Elasticity solder terminal 5 is evenly distributed on welded plate 4 edges.Elasticity solder terminal 5 comprises the insulation elastic core, is coated on the outer insulation rubberised layer of insulation elastic core, and the insulation rubberised layer is coated with heat resistant polymer film, and the bottom of heat resistant polymer film is provided with metal welding contact pin.
Claims (7)
1. one kind can be welded conducting foam, comprise foamed cotton, foamed cotton is comprised of elastic foam body and its external structure, it is characterized in that: described elastic foam body is coated with rubberised layer, and rubberised layer is coated with conductive fabric, and conductive fabric comprises conductive fabric body and conductive layer, conductive layer is the electroplating double-layer structure, be followed successively by from inside to outside copper electroplating layer and electroless nickel layer, described foamed cotton bottom is equipped with welded plate, and the welded plate edge is provided with the elasticity solder terminal.
2. the conducting foam that welds as claimed in claim 1, it is characterized in that: described elasticity solder terminal comprises the insulation elastic core, be coated on the outer insulation rubberised layer of insulation elastic core, the insulation rubberised layer is coated with heat resistant polymer film, and the bottom of heat resistant polymer film is provided with metal welding contact pin.
3. the conducting foam that welds as claimed in claim 1, it is characterized in that: described welded plate is rectangular structure, the elasticity solder terminal is evenly distributed on the welded plate edge.
4. the conducting foam that welds as claimed in claim 1, it is characterized in that: described elastic foam body is electric silica gel.
5. the conducting foam that welds as claimed in claim 1, it is characterized in that: described conductive fabric is conductive carbon fibre cloth.
6. the conducting foam that welds as claimed in claim 1, it is characterized in that: described conductive fabric conductive layer scribbles anti oxidation layer outward.
7. the conducting foam that welds as claimed in claim 6, it is characterized in that: described anti oxidation layer is electrotinning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320213181 CN203261631U (en) | 2013-04-24 | 2013-04-24 | Weldable conductive foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320213181 CN203261631U (en) | 2013-04-24 | 2013-04-24 | Weldable conductive foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261631U true CN203261631U (en) | 2013-10-30 |
Family
ID=49474160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320213181 Expired - Lifetime CN203261631U (en) | 2013-04-24 | 2013-04-24 | Weldable conductive foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203261631U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853578A (en) * | 2015-05-16 | 2015-08-19 | 常德鑫鸿金属材料有限公司 | Electromagnetic shielding-used conductive foam sponge and preparation method thereof |
| CN105451527A (en) * | 2014-06-30 | 2016-03-30 | 浙江三元电子科技有限公司 | Conductive foam and preparation method thereof |
| CN106965509A (en) * | 2017-05-02 | 2017-07-21 | 益阳市菲美特新材料有限公司 | A kind of composite conducting sponge and preparation method thereof |
| CN107809012A (en) * | 2016-09-08 | 2018-03-16 | 卓英社有限公司 | It is suitable for the centreless elastic electric contact terminal of low clearance |
| CN108040456A (en) * | 2017-12-25 | 2018-05-15 | 昆山汉品电子有限公司 | Fingerprint recognition conducting foam |
| CN108200755A (en) * | 2018-01-17 | 2018-06-22 | 珠海博杰电子股份有限公司 | A kind of double layer screen case |
| CN109862766A (en) * | 2018-12-14 | 2019-06-07 | 深圳市飞荣达科技股份有限公司 | Conductive gasket and preparation method thereof |
| CN111452376A (en) * | 2020-04-27 | 2020-07-28 | 深圳市信维通信股份有限公司 | Manufacturing process of conductive foam |
| CN112029432A (en) * | 2020-08-04 | 2020-12-04 | 深圳市鸿富诚屏蔽材料有限公司 | Processing technology of conductive foam and conductive foam |
| CN113462309A (en) * | 2021-07-27 | 2021-10-01 | 深圳市卓汉材料技术有限公司 | Opposite-adhered weldable conductive foam material and construction method thereof |
-
2013
- 2013-04-24 CN CN 201320213181 patent/CN203261631U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451527B (en) * | 2014-06-30 | 2018-07-31 | 浙江三元电子科技有限公司 | A kind of conducting foam and preparation method thereof |
| CN105451527A (en) * | 2014-06-30 | 2016-03-30 | 浙江三元电子科技有限公司 | Conductive foam and preparation method thereof |
| CN104853578B (en) * | 2015-05-16 | 2018-12-18 | 深圳市鸿富诚屏蔽材料有限公司 | A kind of electromagnetic shielding conductive foam and preparation method thereof |
| CN104853578A (en) * | 2015-05-16 | 2015-08-19 | 常德鑫鸿金属材料有限公司 | Electromagnetic shielding-used conductive foam sponge and preparation method thereof |
| CN107809012A (en) * | 2016-09-08 | 2018-03-16 | 卓英社有限公司 | It is suitable for the centreless elastic electric contact terminal of low clearance |
| CN107809012B (en) * | 2016-09-08 | 2019-06-18 | 卓英社有限公司 | It is suitable for the centreless elastic electric contact terminal of low clearance |
| CN106965509A (en) * | 2017-05-02 | 2017-07-21 | 益阳市菲美特新材料有限公司 | A kind of composite conducting sponge and preparation method thereof |
| CN108040456A (en) * | 2017-12-25 | 2018-05-15 | 昆山汉品电子有限公司 | Fingerprint recognition conducting foam |
| CN108200755A (en) * | 2018-01-17 | 2018-06-22 | 珠海博杰电子股份有限公司 | A kind of double layer screen case |
| CN109862766A (en) * | 2018-12-14 | 2019-06-07 | 深圳市飞荣达科技股份有限公司 | Conductive gasket and preparation method thereof |
| CN109862766B (en) * | 2018-12-14 | 2023-09-19 | 常州市飞荣达电子材料有限公司 | Conductive pad and manufacturing method thereof |
| CN111452376A (en) * | 2020-04-27 | 2020-07-28 | 深圳市信维通信股份有限公司 | Manufacturing process of conductive foam |
| CN112029432A (en) * | 2020-08-04 | 2020-12-04 | 深圳市鸿富诚屏蔽材料有限公司 | Processing technology of conductive foam and conductive foam |
| CN112029432B (en) * | 2020-08-04 | 2021-12-03 | 深圳市鸿富诚屏蔽材料有限公司 | Processing technology of conductive foam and conductive foam |
| CN113462309A (en) * | 2021-07-27 | 2021-10-01 | 深圳市卓汉材料技术有限公司 | Opposite-adhered weldable conductive foam material and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Three road 266000 Jimo City Tianshan Daxin Town, Shandong province Qingdao City No. 50 Patentee after: QINGDAO ZHUOYINGSHE TECHNOLOGY CO.,LTD. Address before: Three road 266000 Shandong city of Qingdao province Shandong province Qingdao Jimo City Daxin Town, No. 50 Tianshan Patentee before: QINGDAO JOINSET SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |