JPS5856337U - 情報記録用カ−ド - Google Patents

情報記録用カ−ド

Info

Publication number
JPS5856337U
JPS5856337U JP1981150950U JP15095081U JPS5856337U JP S5856337 U JPS5856337 U JP S5856337U JP 1981150950 U JP1981150950 U JP 1981150950U JP 15095081 U JP15095081 U JP 15095081U JP S5856337 U JPS5856337 U JP S5856337U
Authority
JP
Japan
Prior art keywords
information recording
recording card
card
guide groove
recording layer
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
JP1981150950U
Other languages
English (en)
Other versions
JPH0411221Y2 (ja
Inventor
酒井　順彦
Original Assignee
大日本印刷株式会社
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 大日本印刷株式会社 filed Critical 大日本印刷株式会社
Priority to JP1981150950U priority Critical patent/JPS5856337U/ja
Publication of JPS5856337U publication Critical patent/JPS5856337U/ja
Application granted granted Critical
Publication of JPH0411221Y2 publication Critical patent/JPH0411221Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (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。

Description

【図面の簡単な説明】
第１図は本考案の一実施態様を示す平面図、第２図は光
学記録層および案内用溝を示す断面図、第３図は金型を
製造する工程を示す図である。 １・・・・・・基材、２・・・・・・光学記録層、３・
・・・・・案内溝、４・・・・・・レーザー光源、５・
・・・・・ハーフミラー、６，７，８・・・・・・ミラ
ー、９．１０・・・・・・レンズ、１１・・・・・・基
板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 基材表面に光学記録層及び案内用溝を形成してなる情報
    記録用カード。
JP1981150950U 1981-10-13 1981-10-13 情報記録用カ−ド Granted JPS5856337U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981150950U JPS5856337U (ja) 1981-10-13 1981-10-13 情報記録用カ−ド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981150950U JPS5856337U (ja) 1981-10-13 1981-10-13 情報記録用カ−ド

Publications (2)

Publication Number Publication Date
JPS5856337U true JPS5856337U (ja) 1983-04-16
JPH0411221Y2 JPH0411221Y2 (ja) 1992-03-19

Family

ID=29943656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981150950U Granted JPS5856337U (ja) 1981-10-13 1981-10-13 情報記録用カ−ド

Country Status (1)

Country Link
JP (1) JPS5856337U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034664U (ja) * 1983-08-15 1985-03-09 ソニー株式会社 光学式情報カ−ド
JPS6350933A (ja) * 1986-08-20 1988-03-03 Matsushita Electric Ind Co Ltd 平板状情報記録担体
JPS6410443A (en) * 1987-07-01 1989-01-13 Matsushita Electric Ind Co Ltd Card-shaped optical recording medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130102A (en) * 1978-03-16 1979-10-09 Philips Nv Method of writing information* recording carrier* recorded record carrier* and information writing and reading device
JPS554724A (en) * 1978-06-22 1980-01-14 Canon Inc Information recording and reproducing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130102A (en) * 1978-03-16 1979-10-09 Philips Nv Method of writing information* recording carrier* recorded record carrier* and information writing and reading device
JPS554724A (en) * 1978-06-22 1980-01-14 Canon Inc Information recording and reproducing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034664U (ja) * 1983-08-15 1985-03-09 ソニー株式会社 光学式情報カ−ド
JPS6350933A (ja) * 1986-08-20 1988-03-03 Matsushita Electric Ind Co Ltd 平板状情報記録担体
JPS6410443A (en) * 1987-07-01 1989-01-13 Matsushita Electric Ind Co Ltd Card-shaped optical recording medium

Also Published As

Publication number Publication date
JPH0411221Y2 (ja) 1992-03-19

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