JPS59177032U - laser disk - Google Patents

laser disk

Info

Publication number
JPS59177032U
JPS59177032U JP1983072118U JP7211883U JPS59177032U JP S59177032 U JPS59177032 U JP S59177032U JP 1983072118 U JP1983072118 U JP 1983072118U JP 7211883 U JP7211883 U JP 7211883U JP S59177032 U JPS59177032 U JP S59177032U
Authority
JP
Japan
Prior art keywords
laser disk
abstract
light
reflecting film
disk
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
JP1983072118U
Other languages
Japanese (ja)
Inventor
松崎　壮一
実 長田
Original Assignee
日立コンデンサ株式会社
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 日立コンデンサ株式会社 filed Critical 日立コンデンサ株式会社
Priority to JP1983072118U priority Critical patent/JPS59177032U/en
Publication of JPS59177032U publication Critical patent/JPS59177032U/en
Pending legal-status Critical Current

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  • 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。(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図は従来のレーザーディスクの断面図、第２図は本
考案の実施例の断面図を示す。 、　　１５ａ、　　１５ｂ−・・光反射膜、１６ａ、　
　１６ｂ−・・周縁部。FIG. 1 is a sectional view of a conventional laser disk, and FIG. 2 is a sectional view of an embodiment of the present invention. , 15a, 15b--light reflective film, 16a,
16b--periphery.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中間部に光反射膜を有する積層体からなるレーザーディ
スクにおいて、光反射膜のない周縁部を有することを特
徴とするレーザーディスク。What is claimed is: 1. A laser disk comprising a laminate having a light-reflecting film in an intermediate portion thereof, the laser disk having a peripheral portion without a light-reflecting film.
JP1983072118U 1983-05-13 1983-05-13 laser disk Pending JPS59177032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983072118U JPS59177032U (en) 1983-05-13 1983-05-13 laser disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983072118U JPS59177032U (en) 1983-05-13 1983-05-13 laser disk

Publications (1)

Publication Number Publication Date
JPS59177032U true JPS59177032U (en) 1984-11-27

Family

ID=30202259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983072118U Pending JPS59177032U (en) 1983-05-13 1983-05-13 laser disk

Country Status (1)

Country Link
JP (1) JPS59177032U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528227B2 (en) * 1974-09-24 1980-07-26
JPS57169938A (en) * 1981-04-10 1982-10-19 Sony Corp Optical type recording medium
JPS57172549A (en) * 1981-04-17 1982-10-23 C B S Sony Rekoode Kk Optical recording medium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528227B2 (en) * 1974-09-24 1980-07-26
JPS57169938A (en) * 1981-04-10 1982-10-19 Sony Corp Optical type recording medium
JPS57172549A (en) * 1981-04-17 1982-10-23 C B S Sony Rekoode Kk Optical recording medium

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