JPS58135041U - optical recording and reproducing disk - Google Patents

optical recording and reproducing disk

Info

Publication number
JPS58135041U
JPS58135041U JP1982032219U JP3221982U JPS58135041U JP S58135041 U JPS58135041 U JP S58135041U JP 1982032219 U JP1982032219 U JP 1982032219U JP 3221982 U JP3221982 U JP 3221982U JP S58135041 U JPS58135041 U JP S58135041U
Authority
JP
Japan
Prior art keywords
optical recording
reproducing disk
disk
metal reflective
protective film
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
JP1982032219U
Other languages
Japanese (ja)
Inventor
孝一 東
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP1982032219U priority Critical patent/JPS58135041U/en
Publication of JPS58135041U publication Critical patent/JPS58135041U/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Controlling Sheets Or Webs (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) [Abstract] 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 the drawing]

第１図：光学記録再生円盤の概要を示す図、第２図：第
１図Ａの部分の拡大断面図、第３図：デ　゛イジタル信
号ピットの拡大平面図。 〔記号〕１・・・光学記録再生円盤、２・・・円盤、３
′・・・金属反射膜、４・・・保護膜、５・・・光学式
ピックアップ、６・・・レーザ光、７・・・ディジタル
信号ピット。Fig. 1: A diagram showing an outline of an optical recording/reproducing disk, Fig. 2: An enlarged sectional view of the part A in Fig. 1, Fig. 3: An enlarged plan view of a digital signal pit. [Symbol] 1... Optical recording/reproducing disk, 2... Disc, 3
′... Metal reflective film, 4... Protective film, 5... Optical pickup, 6... Laser light, 7... Digital signal pit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 透明な合成樹脂よりなる円盤の表面にディジタル信号ピ
ットと、金属反射膜と、該金属反射膜の保護膜とを設け
た構造において、前記保護膜に識別用の各種の色彩を着
色したことを特徴とする光学記録再生円盤。A structure in which digital signal pits, a metal reflective film, and a protective film for the metal reflective film are provided on the surface of a disk made of transparent synthetic resin, characterized in that the protective film is colored in various colors for identification. An optical recording and reproducing disk.
JP1982032219U 1982-03-08 1982-03-08 optical recording and reproducing disk Pending JPS58135041U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982032219U JPS58135041U (en) 1982-03-08 1982-03-08 optical recording and reproducing disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982032219U JPS58135041U (en) 1982-03-08 1982-03-08 optical recording and reproducing disk

Publications (1)

Publication Number Publication Date
JPS58135041U true JPS58135041U (en) 1983-09-10

Family

ID=30043843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982032219U Pending JPS58135041U (en) 1982-03-08 1982-03-08 optical recording and reproducing disk

Country Status (1)

Country Link
JP (1) JPS58135041U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999005677A1 (en) * 1997-07-28 1999-02-04 Teijin Limited Optical information recording medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150152A (en) * 1981-03-13 1982-09-16 Ricoh Co Ltd Optical disc
JPS57167148A (en) * 1981-04-03 1982-10-14 Sony Corp Optical recording medium
JPS57172549A (en) * 1981-04-17 1982-10-23 C B S Sony Rekoode Kk Optical recording medium
JPS5819749A (en) * 1981-07-15 1983-02-04 ポリグラム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Plate-shaped material carrier with large preservation density optically readable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150152A (en) * 1981-03-13 1982-09-16 Ricoh Co Ltd Optical disc
JPS57167148A (en) * 1981-04-03 1982-10-14 Sony Corp Optical recording medium
JPS57172549A (en) * 1981-04-17 1982-10-23 C B S Sony Rekoode Kk Optical recording medium
JPS5819749A (en) * 1981-07-15 1983-02-04 ポリグラム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Plate-shaped material carrier with large preservation density optically readable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999005677A1 (en) * 1997-07-28 1999-02-04 Teijin Limited Optical information recording medium

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