CN107946113A - A kind of Al foil substrate for keyboard components - Google Patents
A kind of Al foil substrate for keyboard components Download PDFInfo
- Publication number
- CN107946113A CN107946113A CN201711382350.9A CN201711382350A CN107946113A CN 107946113 A CN107946113 A CN 107946113A CN 201711382350 A CN201711382350 A CN 201711382350A CN 107946113 A CN107946113 A CN 107946113A
- Authority
- CN
- China
- Prior art keywords
- aluminium foil
- malar
- adhesive tapes
- foil
- thickness
- 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
- 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
- H01H2227/00—Dimensions; Characteristics
- H01H2227/018—Printed contacts; Metal foil
Landscapes
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of Al foil substrate for keyboard components, including aluminium foil, the lower surface of the aluminium foil is equipped with MALAR adhesive tapes A, the upper surface of the aluminium foil is equipped with MALAR adhesive tapes B, middle part between aluminium foil and MALAR the adhesive tape B is equipped with graphite flake, Air Filter is equipped between aluminium foil and MALAR the adhesive tape B and around the graphite flake, the Air Filter is bonded by double faced adhesive tape and aluminium foil, conducting resinl is equipped with around the upper surface of the MALAR adhesive tapes B, centre is equipped with glue.Aluminium foil and component are linked by conducting resinl in the present invention, realize that whole aluminium foil layer turns on entirely；It is not required conduction position to be covered using MYLAR adhesive tapes in aluminium foil positive and negative, reaches insulation effect；MYLAR adhesive tapes can cover exposed aluminium foil glue, avoid contacting with other assemblies, cause body conductive abnormal；Heat is rapidly transferred to by aluminium foil by graphite and realizes that whole product distributes at the same time, expands the area of heat dissipation；Air Filter has ventilation, dust-proof effect.
Description
Technical field
The present invention relates to technical field of electronic products, more particularly to a kind of Al foil substrate for keyboard components.
Background technology
In the lower section of the keyboard of the electronic products such as mobile phone, computer, portable player, it usually needs be disposed with band and lead
One layer of aluminium foil of electro-graphitic, in the prior art the electrically conductive graphite corresponding to key position and aluminium foil be separately arranged, increase
The difficulty and cost of process are added, the position of graphite are easily spilt over when being bonded using silica gel, it is insensitive etc. to may result in button
Problem；In addition traditional Al foil substrate is applied on computor-keyboard, there is also the defects of insulating properties is relatively low, and is not possessed dust-proof
Function.
The content of the invention
Based on technical problem existing for background technology, the present invention is directed to above-mentioned deficiency existing in the prior art, there is provided one
Al foil substrate of the kind for keyboard components, has good insulation, heat dissipation, dust-proof effect.
A kind of Al foil substrate for keyboard components, including aluminium foil, the lower surface of the aluminium foil are equipped with MALAR adhesive tape A, institute
The upper surface for stating aluminium foil is equipped with graphite flake, institute equipped with the middle part between MALAR adhesive tapes B, aluminium foil and MALAR the adhesive tape B
State between aluminium foil and MALAR adhesive tapes B and be equipped with Air Filter around the graphite flake, the Air Filter by double faced adhesive tape and
Aluminium foil bonds, and conducting resinl is equipped with around the upper surface of the MALAR adhesive tapes B, centre is equipped with glue.
Preferably, the thickness of the aluminium foil is 0.04-0.06mm, resistance 0.01ohms/inch2, heat transfer 240W/
mK。
Preferably, the thickness of the Air Filter is 0.0043-0.0053mm.
Preferably, the thickness of the conducting resinl is 0.07-0.09mm, contact resistance 0.05ohms/inch2。
Preferably, the thickness of the graphite flake is 0.027-0.037mm, and conduction is 4*104S/m, heat transfer 1500W/
mK。
Preferably, the thickness of the MYLAR adhesive tapes A is 0.015-0.02mm, and the thickness of the MYLAR adhesive tapes B is
0.045-0.055mm。
Beneficial effect in the present invention：
A kind of Al foil substrate for keyboard components proposed by the present invention, combination forming is processed using a variety of ultra-thin materials,
Reduce the difficulty of processing, improve work efficiency.Aluminium foil and component are linked by conducting resinl in the present invention, realized whole
Aluminium foil layer turns on entirely；It is not required conduction position to be covered using MYLAR adhesive tapes in aluminium foil positive and negative, reaches insulation effect；MYLAR glue
Band can cover exposed aluminium foil glue, avoid contacting with other assemblies, cause body conductive abnormal；It is by graphite that heat is rapid
Conduction realizes that whole product distributes at the same time to aluminium foil, expands the area of heat dissipation；Air Filter has ventilation, dust-proof effect.
Brief description of the drawings
Attached drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of Al foil substrate for keyboard components proposed by the present invention.
In figure：1- aluminium foils, 2-MALAR adhesive tape A, 3-MALAR adhesive tape B, 4- graphite flake, 5- Air Filters, 6- double faced adhesive tapes, 7- are led
Electric glue, 8- glue.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment 1
A kind of Al foil substrate for keyboard components, including aluminium foil 1, the lower surface of aluminium foil are equipped with MALAR adhesive tapes A 2, aluminium
The upper surface of paper tinsel 1 is equipped with MALAR adhesive tapes B 3, and the middle part between aluminium foil 1 and MALAR adhesive tapes B 3 is equipped with graphite flake 4, aluminium foil
Air Filter 5 is equipped between 1 and MALAR adhesive tapes B 3 and around graphite flake 4, Air Filter 5 is viscous by double faced adhesive tape 6 and aluminium foil 1
Close, conducting resinl 7 is equipped with around the upper surface of MALAR adhesive tapes B 3, centre is equipped with glue 8；The brand of glue 8：3M, model：
3M7533。
The thickness of aluminium foil 1 is 0.04mm, resistance 0.01ohms/inch2, heat transfer 240W/mK；The brand of aluminium foil：
Chinese product, model：XPH10501.
The thickness of Air Filter 5 is 0.0043mm；The brand of Air Filter：Yarn Supreme Being, model：B025.
The thickness of conducting resinl 7 is 0.07mm, contact resistance 0.05ohms/inch2；The brand of conducting resinl：Sridhar Krishnamoorthy, type
Number：7408.
The thickness of graphite flake 4 is 0.027mm, and conduction is 4*104S/m, heat transfer 1500W/mK.The brand of graphite flake：
Middle stone great achievement, model：21-670-0032.
The thickness of MYLAR adhesive tapes A 2 is 0.015mm；The brand of MYLAR adhesive tapes A：Nine reach photoelectricity, model：FTBFAP-
15C。
The thickness of MYLAR adhesive tapes B 3 is 0.045mm；The brand of MYLAR adhesive tapes B：Generation China, model：SH-31020.
Embodiment 2
A kind of Al foil substrate for keyboard components, including aluminium foil 1, the lower surface of aluminium foil are equipped with MALAR adhesive tape A2, aluminium foil
1 upper surface is equipped with MALAR adhesive tapes B 3, and the middle part between aluminium foil 1 and MALAR adhesive tapes B 3 is equipped with graphite flake 4, aluminium foil 1
Air Filter 5 is equipped between MALAR adhesive tapes B 3 and around graphite flake 4, Air Filter 5 is viscous by double faced adhesive tape 6 and aluminium foil 1
Close, conducting resinl 7 is equipped with around the upper surface of MALAR adhesive tapes B 3, centre is equipped with glue 8；The brand of glue 8：3M, model：
3M7533。
The thickness of aluminium foil 1 is 0.06mm, resistance 0.01ohms/inch2, heat transfer 240W/mK；The brand of aluminium foil：
Chinese product, model：XPH10501.
The thickness of Air Filter 5 is 0.0053mm；The brand of Air Filter：Yarn Supreme Being, model：B025.
The thickness of conducting resinl 7 is 0.09mm, contact resistance 0.05ohms/inch2；The brand of conducting resinl：Sridhar Krishnamoorthy, type
Number：7408.
The thickness of graphite flake 4 is 0.037mm, and conduction is 4*104S/m, heat transfer 1500W/mK.The brand of graphite flake：
Middle stone great achievement, model：21-670-0032.
The thickness of MYLAR adhesive tapes A 2 is 0.02mm；The brand of MYLAR adhesive tapes A：Nine reach photoelectricity, model：FTBFAP-15C.
The thickness of MYLAR adhesive tapes B 3 is 0.055mm；The brand of MYLAR adhesive tapes B：Generation China, model：SH-31020.
Embodiment 3
A kind of Al foil substrate for keyboard components, including aluminium foil 1, the lower surface of aluminium foil are equipped with MALAR adhesive tapes A 2, aluminium
The upper surface of paper tinsel 1 is equipped with MALAR adhesive tapes B 3, and the middle part between aluminium foil 1 and MALAR adhesive tapes B 3 is equipped with graphite flake 4, aluminium foil
Air Filter 5 is equipped between 1 and MALAR adhesive tapes B 3 and around graphite flake 4, Air Filter 5 is viscous by double faced adhesive tape 6 and aluminium foil 1
Close, conducting resinl 7 is equipped with around the upper surface of MALAR adhesive tapes B 3, centre is equipped with glue 8；The brand of glue 8：3M, model：
3M7533。
The thickness of aluminium foil 1 is 0.05mm, resistance 0.01ohms/inch2, heat transfer 240W/mK；The brand of aluminium foil：
Chinese product, model：XPH10501.
The thickness of Air Filter 5 is 0.0048mm；The brand of Air Filter：Yarn Supreme Being, model：B025.
The thickness of conducting resinl 7 is 0.08mm, contact resistance 0.05ohms/inch2；The brand of conducting resinl：Sridhar Krishnamoorthy, type
Number：7408.
The thickness of graphite flake 4 is 0.032mm, and conduction is 4*104S/m, heat transfer 1500W/mK.The brand of graphite flake：
Middle stone great achievement, model：21-670-0032.
The thickness of MYLAR adhesive tapes A 2 is 0.016mm；The brand of MYLAR adhesive tapes A：Nine reach photoelectricity, model：FTBFAP-
15C。
The thickness of MYLAR adhesive tapes B 3 is 0.05mm；The brand of MYLAR adhesive tapes B：Generation China, model：SH-31020.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of Al foil substrate for keyboard components, including aluminium foil, it is characterised in that：The lower surface of the aluminium foil is equipped with
MALAR adhesive tapes A, the upper surface of the aluminium foil are equipped with the middle part between MALAR adhesive tapes B, aluminium foil and MALAR the adhesive tape B
Equipped with graphite flake, Air Filter is equipped between aluminium foil and MALAR the adhesive tape B and around the graphite flake, it is described dust-proof
Netcom crosses double faced adhesive tape and is bonded with aluminium foil, conducting resinl is equipped with around the upper surface of the MALAR adhesive tapes B, centre is equipped with glue.
A kind of 2. Al foil substrate for keyboard components according to claim 1, it is characterised in that the thickness of the aluminium foil
For 0.04-0.06mm, resistance 0.01ohms/inch2, heat transfer 240W/mK.
A kind of 3. Al foil substrate for keyboard components according to claim 1, it is characterised in that the thickness of the Air Filter
Spend for 0.0043-0.0053mm.
A kind of 4. Al foil substrate for keyboard components according to claim 1, it is characterised in that the thickness of the conducting resinl
Spend for 0.07-0.09mm, contact resistance 0.05ohms/inch2。
A kind of 5. Al foil substrate for keyboard components according to claim 1, it is characterised in that the thickness of the graphite flake
Spend for 0.027-0.037mm, conduction is 4*104S/m, heat transfer 1500W/mK.
A kind of 6. Al foil substrate for keyboard components according to claim 1, it is characterised in that the MYLAR adhesive tapes A
Thickness be 0.015-0.02mm, the thickness of the MYLAR adhesive tapes B is 0.045-0.055mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382350.9A CN107946113A (en) | 2017-12-20 | 2017-12-20 | A kind of Al foil substrate for keyboard components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382350.9A CN107946113A (en) | 2017-12-20 | 2017-12-20 | A kind of Al foil substrate for keyboard components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107946113A true CN107946113A (en) | 2018-04-20 |
Family
ID=61941419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382350.9A Pending CN107946113A (en) | 2017-12-20 | 2017-12-20 | A kind of Al foil substrate for keyboard components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107946113A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321159A (en) * | 2018-10-24 | 2019-02-12 | 苏州益邦电子材料有限公司 | Ultra-thin anti-deformation Multi-Function Keyboard adhesive tape |
| CN113788630A (en) * | 2021-08-12 | 2021-12-14 | 广东趣点智能科技有限公司 | Processing technology of touch screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992113A (en) * | 2005-12-26 | 2007-07-04 | 保力马科技株式会社 | Lightening keystroke plate |
| CN201390719Y (en) * | 2009-04-16 | 2010-01-27 | 陕西彩桥电子材料股份有限公司 | Double conductive aluminum foil tape |
| CN202623419U (en) * | 2012-03-31 | 2012-12-26 | 常州宏巨电子科技有限公司 | Keyboard aluminum foil adhesive |
| CN104471637A (en) * | 2012-08-07 | 2015-03-25 | 保力马科技(日本)株式会社 | Heat-diffusing sound insulation sheet and heat-diffusing sound insulation structure |
| CN106042500A (en) * | 2016-07-21 | 2016-10-26 | 苏州佳值电子工业有限公司 | Ultrathin conductive aluminum foil |
| CN106047206A (en) * | 2016-07-19 | 2016-10-26 | 常熟市长江胶带有限公司 | Highly conductive adhesive tape |
| CN107624024A (en) * | 2017-09-29 | 2018-01-23 | 深圳市诚悦丰科技有限公司 | A kind of dilute glued membrane heat sink compound of graphite and manufacture craft |
-
2017
- 2017-12-20 CN CN201711382350.9A patent/CN107946113A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992113A (en) * | 2005-12-26 | 2007-07-04 | 保力马科技株式会社 | Lightening keystroke plate |
| CN201390719Y (en) * | 2009-04-16 | 2010-01-27 | 陕西彩桥电子材料股份有限公司 | Double conductive aluminum foil tape |
| CN202623419U (en) * | 2012-03-31 | 2012-12-26 | 常州宏巨电子科技有限公司 | Keyboard aluminum foil adhesive |
| CN104471637A (en) * | 2012-08-07 | 2015-03-25 | 保力马科技(日本)株式会社 | Heat-diffusing sound insulation sheet and heat-diffusing sound insulation structure |
| CN106047206A (en) * | 2016-07-19 | 2016-10-26 | 常熟市长江胶带有限公司 | Highly conductive adhesive tape |
| CN106042500A (en) * | 2016-07-21 | 2016-10-26 | 苏州佳值电子工业有限公司 | Ultrathin conductive aluminum foil |
| CN107624024A (en) * | 2017-09-29 | 2018-01-23 | 深圳市诚悦丰科技有限公司 | A kind of dilute glued membrane heat sink compound of graphite and manufacture craft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321159A (en) * | 2018-10-24 | 2019-02-12 | 苏州益邦电子材料有限公司 | Ultra-thin anti-deformation Multi-Function Keyboard adhesive tape |
| CN113788630A (en) * | 2021-08-12 | 2021-12-14 | 广东趣点智能科技有限公司 | Processing technology of touch screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
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| RJ01 | Rejection of invention patent application after publication |