JPS5849816U - Printed circuit board for key switch - Google Patents

Printed circuit board for key switch

Info

Publication number
JPS5849816U
JPS5849816U JP14581381U JP14581381U JPS5849816U JP S5849816 U JPS5849816 U JP S5849816U JP 14581381 U JP14581381 U JP 14581381U JP 14581381 U JP14581381 U JP 14581381U JP S5849816 U JPS5849816 U JP S5849816U
Authority
JP
Japan
Prior art keywords
conductive layer
circuit board
printed circuit
key switch
copper foil
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
Application number
JP14581381U
Other languages
Japanese (ja)
Other versions
JPS6310592Y2 (en
Inventor
信二 岡本
Original Assignee
北陸電気工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 北陸電気工業株式会社 filed Critical 北陸電気工業株式会社
Priority to JP14581381U priority Critical patent/JPS5849816U/en
Publication of JPS5849816U publication Critical patent/JPS5849816U/en
Application granted granted Critical
Publication of JPS6310592Y2 publication Critical patent/JPS6310592Y2/ja
Granted legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of drawings]

、　　　第１図は本考案の一実施例の一部を示す平面図
、第２図は第１図の■−■線切断拡大端面図、第３図は
第２図の■−■線切断端面図、第４図は接点導電層と銅
箔回路との接続部の一態様を示す断面図、第５図は本考
案の他の実施例の要部を示す平面図である。 １・・・絶縁基板、２．２Ａ、　２Ｂ・・・銅箔回路、
３゜３Ａ、　　３Ｂ・・・接点導電層、４・・・中間導
電層。, FIG. 1 is a plan view showing a part of an embodiment of the present invention, FIG. 2 is an enlarged end view cut along the line ■-■ in FIG. 1, and FIG. 3 is an end view cut along the line ■-■ in FIG. FIG. 4 is a sectional view showing an embodiment of the connection between the contact conductive layer and the copper foil circuit, and FIG. 5 is a plan view showing the main part of another embodiment of the present invention. 1... Insulating board, 2.2A, 2B... Copper foil circuit,
3゜3A, 3B...Contact conductive layer, 4...Intermediate conductive layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カーボン塗料からなるキースイッチ用接点導電層と該接
点導電層に接続される銅箔回路とが絶縁基板上に形成さ
れているキースイッチ用プリント基板において、前記銅
箔面路の前記接点導電層が接続される部分を覆うように
銀塗料からなる中間導電層が形成され、前記接点導電層
はその一部が前記中間導電層を介して前記銅箔回路に重
合されるように形成され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 key switch printed circuit board in which a key switch contact conductive layer made of carbon paint and a copper foil circuit connected to the contact conductive layer are formed on an insulating substrate, the contact conductive layer of the copper foil surface path is An intermediate conductive layer made of silver paint is formed to cover the part to be connected, and the contact conductive layer is formed so that a portion thereof is superposed on the copper foil circuit via the intermediate conductive layer. A printed circuit board for key switches featuring:
JP14581381U 1981-09-30 1981-09-30 Printed circuit board for key switch Granted JPS5849816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14581381U JPS5849816U (en) 1981-09-30 1981-09-30 Printed circuit board for key switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14581381U JPS5849816U (en) 1981-09-30 1981-09-30 Printed circuit board for key switch

Publications (2)

Publication Number Publication Date
JPS5849816U true JPS5849816U (en) 1983-04-04
JPS6310592Y2 JPS6310592Y2 (en) 1988-03-29

Family

ID=29938731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14581381U Granted JPS5849816U (en) 1981-09-30 1981-09-30 Printed circuit board for key switch

Country Status (1)

Country Link
JP (1) JPS5849816U (en)

Citations (2)

* Cited by examiner, † Cited by third party
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 Ind Co Ltd Printed circuit board with key wiring

Patent Citations (2)

* Cited by examiner, † Cited by third party
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 Ind Co Ltd Printed circuit board with key wiring

Also Published As

Publication number Publication date
JPS6310592Y2 (en) 1988-03-29

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