JPS6145731U - 光学式情報記録担体 - Google Patents

光学式情報記録担体

Info

Publication number
JPS6145731U
JPS6145731U JP1984127779U JP12777984U JPS6145731U JP S6145731 U JPS6145731 U JP S6145731U JP 1984127779 U JP1984127779 U JP 1984127779U JP 12777984 U JP12777984 U JP 12777984U JP S6145731 U JPS6145731 U JP S6145731U
Authority
JP
Japan
Prior art keywords
information recording
optical information
recording carrier
recording layer
signal recording
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
Application number
JP1984127779U
Other languages
English (en)
Inventor
文雄 松井
靖 村田
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP1984127779U priority Critical patent/JPS6145731U/ja
Priority to US06/767,021 priority patent/US4683562A/en
Priority to DE19853530200 priority patent/DE3530200A1/de
Publication of JPS6145731U publication Critical patent/JPS6145731U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24015—Air-sandwiched discs

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図及６第２図は既に開発された光学式情報記録担体
を説明するための図、第３図は本考案に係るＩ）ＲＡＷ
ディスクの一部断面図、第４図ａないしｆ並びに第５図
は該ＤＲＡＭ Ｗディスクの一部変形例を示す図である
。 １１．１２・・・円形基板、１３．１４・・・信号記録
層、１５・・・スペーサ、１６．１８・・・接着層、１
７・・・円形補強板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 少なくとも一方が信号記録層を有する一対の円形基板と
    、前記信号記録層が内側となるように対向すべく前記基
    板の外周部を担持すをスペーサと、前記基板間に両基板
    と所定距離を隔てて設けられて前記スペーサに固着した
    円形補強板とから成ることを特徴とする光学式情報記録
    担体。
JP1984127779U 1984-08-23 1984-08-23 光学式情報記録担体 Pending JPS6145731U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1984127779U JPS6145731U (ja) 1984-08-23 1984-08-23 光学式情報記録担体
US06/767,021 US4683562A (en) 1984-08-23 1985-08-19 Optical information recording disk
DE19853530200 DE3530200A1 (de) 1984-08-23 1985-08-23 Optische informationsaufzeichnungsplatte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984127779U JPS6145731U (ja) 1984-08-23 1984-08-23 光学式情報記録担体

Publications (1)

Publication Number Publication Date
JPS6145731U true JPS6145731U (ja) 1986-03-26

Family

ID=14968474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984127779U Pending JPS6145731U (ja) 1984-08-23 1984-08-23 光学式情報記録担体

Country Status (3)

Country Link
US (1) US4683562A (ja)
JP (1) JPS6145731U (ja)
DE (1) DE3530200A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188838A (ja) * 1987-01-31 1988-08-04 Toshiba Corp 情報記録媒体
JPS6412224U (ja) * 1987-07-08 1989-01-23
JPH01205743A (ja) * 1987-10-06 1989-08-18 Ricoh Co Ltd 光情報記録媒体
JPH01173448A (ja) * 1987-12-28 1989-07-10 Toshiba Corp 情報記憶媒体
US4879710A (en) * 1988-04-20 1989-11-07 Mutsuo Iijima Optical disc protector and method for applying same
ATE171298T1 (de) 1995-01-10 1998-10-15 Hi Tech Developments Ltd Halbpermanentgehäuse für optisches datenspeichermedium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151344A (ja) * 1983-02-03 1984-08-29 Toshiba Corp 情報記憶媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437668A1 (fr) * 1978-09-29 1980-04-25 Thomson Csf Disque optique protege
US4331966A (en) * 1980-10-06 1982-05-25 Storage Technology Corporation Information storage device and method of forming same
JPS5766548A (en) * 1980-10-14 1982-04-22 Sony Corp Reproducing device and playback head of electrostatic capacity type
JPS5987636A (ja) * 1982-11-10 1984-05-21 Toshiba Corp 情報記憶媒体

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151344A (ja) * 1983-02-03 1984-08-29 Toshiba Corp 情報記憶媒体

Also Published As

Publication number Publication date
US4683562A (en) 1987-07-28
DE3530200A1 (de) 1986-03-06

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