CA1037875A - Elastomeric keyboard switch and its method of manufacture - Google Patents
Elastomeric keyboard switch and its method of manufactureInfo
- Publication number
- CA1037875A CA1037875A CA217,693A CA217693A CA1037875A CA 1037875 A CA1037875 A CA 1037875A CA 217693 A CA217693 A CA 217693A CA 1037875 A CA1037875 A CA 1037875A
- Authority
- CA
- Canada
- Prior art keywords
- keyboard
- electrically conductive
- conductive paint
- rubber
- paint
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 40
- 239000003973 paint Substances 0.000 claims abstract description 40
- 239000005060 rubber Substances 0.000 claims abstract description 40
- 230000000873 masking effect Effects 0.000 claims abstract description 11
- 229920002379 silicone rubber Polymers 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 238000003892 spreading Methods 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 3
- 239000012811 non-conductive material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/002—Screen printing
- H01H2229/004—Conductive ink
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/006—Pad transfer printing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/056—Laminating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/058—Curing or vulcanising of rubbers
Landscapes
- Push-Button Switches (AREA)
- Manufacture Of Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP603874A JPS5647651B2 (de) | 1974-01-11 | 1974-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1037875A true CA1037875A (en) | 1978-09-05 |
Family
ID=11627463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA217,693A Expired CA1037875A (en) | 1974-01-11 | 1975-01-10 | Elastomeric keyboard switch and its method of manufacture |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5647651B2 (de) |
| BE (1) | BE824289A (de) |
| CA (1) | CA1037875A (de) |
| CH (1) | CH596654A5 (de) |
| DE (1) | DE2500701C2 (de) |
| FR (1) | FR2257951B1 (de) |
| GB (1) | GB1493042A (de) |
| IT (1) | IT1048801B (de) |
| NL (1) | NL157740B (de) |
| SE (1) | SE404559B (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5486371U (de) * | 1977-11-30 | 1979-06-19 | ||
| DE3034585C2 (de) * | 1980-09-13 | 1982-11-04 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Drucktastenanordnung in einem Gerät der elektrischen Nachrichtentechnik |
| DE3041186C2 (de) * | 1980-09-13 | 1984-03-29 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Drucktastenanordnung in einem Gerät der elektrischen Nachrichtentechnik |
| DE3214454C2 (de) * | 1982-04-20 | 1984-08-23 | Rudolf Schadow Gmbh, 1000 Berlin | Elektrischer Schalter in Folienbauweise |
| US4858174A (en) * | 1983-01-03 | 1989-08-15 | Pitney Bowes Inc. | Electronic postage meter control system employing a membrane switch mechanism |
| US4620075A (en) * | 1983-06-10 | 1986-10-28 | Price Pfister, Inc. | Unitized control panel |
| DE3415672A1 (de) * | 1984-04-27 | 1985-11-07 | Wilde Membran Impuls Tech | Mehrfachschalter |
| DE3434107A1 (de) * | 1984-09-17 | 1986-03-20 | Siemens AG, 1000 Berlin und 8000 München | Schaltmatte fuer tastaturen |
| DE3440979A1 (de) * | 1984-11-09 | 1986-05-15 | Marquardt Gmbh, 7201 Rietheim-Weilheim | Elektrisches bauelement wie tastatur o.dgl. |
| JPS61245417A (ja) * | 1985-04-24 | 1986-10-31 | 富士ポリマテック株式会社 | 接点ゴムの導通部の形成法 |
| DE3643124A1 (de) * | 1986-12-17 | 1988-07-07 | Ruf Kg Wilhelm | Tastatur |
| DE3714316A1 (de) * | 1987-04-29 | 1988-11-10 | Siemens Ag | Kontaktmatte fuer tasten und tastaturen |
| JPH0298930U (de) * | 1989-01-25 | 1990-08-07 | ||
| CN112519086A (zh) * | 2020-10-20 | 2021-03-19 | 北京中石伟业科技无锡有限公司 | 一种双色导电硅胶产品成型工艺 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1298089A (en) * | 1969-02-24 | 1972-11-29 | William Barber Sudduth | Electric switch made of conducting elastomer |
| JPS5129921Y2 (de) * | 1971-03-24 | 1976-07-28 |
-
1974
- 1974-01-11 JP JP603874A patent/JPS5647651B2/ja not_active Expired
-
1975
- 1975-01-07 GB GB590/75A patent/GB1493042A/en not_active Expired
- 1975-01-08 SE SE7500165A patent/SE404559B/xx unknown
- 1975-01-09 FR FR7500514A patent/FR2257951B1/fr not_active Expired
- 1975-01-09 DE DE2500701A patent/DE2500701C2/de not_active Expired
- 1975-01-10 IT IT19144/75A patent/IT1048801B/it active
- 1975-01-10 BE BE152295A patent/BE824289A/xx unknown
- 1975-01-10 CA CA217,693A patent/CA1037875A/en not_active Expired
- 1975-01-10 CH CH26075A patent/CH596654A5/xx not_active IP Right Cessation
- 1975-01-10 NL NL7500295.A patent/NL157740B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5647651B2 (de) | 1981-11-11 |
| NL157740B (nl) | 1978-08-15 |
| FR2257951A1 (de) | 1975-08-08 |
| SE7500165L (de) | 1975-07-14 |
| BE824289A (fr) | 1975-07-10 |
| DE2500701C2 (de) | 1985-10-03 |
| NL7500295A (nl) | 1975-07-15 |
| DE2500701A1 (de) | 1975-07-17 |
| JPS50101868A (de) | 1975-08-12 |
| IT1048801B (it) | 1980-12-20 |
| SE404559B (sv) | 1978-10-09 |
| CH596654A5 (de) | 1978-03-15 |
| FR2257951B1 (de) | 1977-07-08 |
| GB1493042A (en) | 1977-11-23 |
| AU7692774A (en) | 1976-07-01 |
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