JPS5849817U - Printed circuit board for key switch - Google Patents
Printed circuit board for key switchInfo
- Publication number
- JPS5849817U JPS5849817U JP14581481U JP14581481U JPS5849817U JP S5849817 U JPS5849817 U JP S5849817U JP 14581481 U JP14581481 U JP 14581481U JP 14581481 U JP14581481 U JP 14581481U JP S5849817 U JPS5849817 U JP S5849817U
- Authority
- JP
- Japan
- Prior art keywords
- key switch
- conductive layer
- circuit board
- printed circuit
- contact conductive
- 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.)
- Granted
Links
Landscapes
- Contacts (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例の一部を示した平面図、第２
図及び第３図はそれぞれ第１図の■−■線切断拡大断面
図及びＩＩＩＬ−１１Ｉ線切断拡大断面図、第４図は第
３図のＩＶ−ＩＶ線断面端面図である。
−１・・・絶縁基板、２．２′・・・銅箔回路、３．３
′・・・接点導電層、３１・・・第１の導電層、３２・
・・第２の導電層。Fig. 1 is a plan view showing a part of an embodiment of the present invention;
The figure and FIG. 3 are an enlarged sectional view taken along the line ■-■ in FIG. 1 and an enlarged sectional view taken along the line IIIL-11I, respectively, and FIG. 4 is a sectional end view taken along the line IV--IV in FIG. 3. -1...Insulating board, 2.2'...Copper foil circuit, 3.3
'... Contact conductive layer, 31... First conductive layer, 32.
...Second conductive layer.
Claims (1)
銅箔回路とを絶縁基板上に形成してなるキースイッチ用
プリント基板において、前記接点導電層は銀塗料からな
る第１の導電層と該第１の導電層を覆うように形成され
たカーボン塗料からなる第２の導電層とからなっている
ことを特徴とするキースイッチ用プリント基板。In a printed circuit board for a key switch in which a key switch contact conductive layer and a copper foil circuit connected to the contact conductive layer are formed on an insulating substrate, the contact conductive layer is a first conductive layer made of silver paint. A printed circuit board for a key switch, comprising a second conductive layer made of carbon paint and formed to cover the first conductive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14581481U JPS5849817U (en) | 1981-09-30 | 1981-09-30 | Printed circuit board for key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14581481U JPS5849817U (en) | 1981-09-30 | 1981-09-30 | Printed circuit board for key switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5849817U true JPS5849817U (en) | 1983-04-04 |
| JPS6310593Y2 JPS6310593Y2 (en) | 1988-03-29 |
Family
ID=29938732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14581481U Granted JPS5849817U (en) | 1981-09-30 | 1981-09-30 | Printed circuit board for key switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5849817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09139135A (en) * | 1995-11-15 | 1997-05-27 | Uniden Corp | switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123032A (en) * | 1974-08-21 | 1976-02-24 | Tokyo Shibaura Electric Co | SEISHIGAJUSHINSOCHI |
| JPS54103580A (en) * | 1978-01-31 | 1979-08-15 | Matsushita Electric Industrial Co Ltd | Printed circuit board with key wiring |
| JPS5617624U (en) * | 1979-07-18 | 1981-02-16 |
-
1981
- 1981-09-30 JP JP14581481U patent/JPS5849817U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123032A (en) * | 1974-08-21 | 1976-02-24 | Tokyo Shibaura Electric Co | SEISHIGAJUSHINSOCHI |
| JPS54103580A (en) * | 1978-01-31 | 1979-08-15 | Matsushita Electric Industrial Co Ltd | Printed circuit board with key wiring |
| JPS5617624U (en) * | 1979-07-18 | 1981-02-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09139135A (en) * | 1995-11-15 | 1997-05-27 | Uniden Corp | switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6310593Y2 (en) | 1988-03-29 |
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