JPS58148736U - information recording medium - Google Patents

information recording medium

Info

Publication number
JPS58148736U
JPS58148736U JP1982044723U JP4472382U JPS58148736U JP S58148736 U JPS58148736 U JP S58148736U JP 1982044723 U JP1982044723 U JP 1982044723U JP 4472382 U JP4472382 U JP 4472382U JP S58148736 U JPS58148736 U JP S58148736U
Authority
JP
Japan
Prior art keywords
recording medium
information recording
circumferential spacer
inner circumferential
spacer
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
JP1982044723U
Other languages
Japanese (ja)
Inventor
利昌 神定
木谷 寛
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1982044723U priority Critical patent/JPS58148736U/en
Publication of JPS58148736U publication Critical patent/JPS58148736U/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) [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 the drawing]

〉   第1図は従来の高密度記録再生ディスクの構造
、  を示す断面図、第2図は内周スペーサーの形状の
二  −例を示す断面図、第3図は本考案の一実施例で
)  ある情報記−媒体を示す断面図である。 1・・・ガラス円板、2・・・記録膜、3・・・円周ス
ペーサ、4・・・外周スペーサー、5・・・金属板、6
・・・樹脂層。
〉 Fig. 1 is a cross-sectional view showing the structure of a conventional high-density recording/reproducing disk, Fig. 2 is a cross-sectional view showing two examples of the shape of the inner spacer, and Fig. 3 is an embodiment of the present invention. FIG. 2 is a cross-sectional view showing a certain information storage medium. DESCRIPTION OF SYMBOLS 1... Glass disc, 2... Recording film, 3... Circumferential spacer, 4... Outer periphery spacer, 5... Metal plate, 6
...resin layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 表面部に記録領域を有し、中心部に穴を□有す42枚の
円板を外周スペーサと内周スペーサを介して張り合わせ
た構造の情報記録媒体であって、」記内周スペーサが金
属と樹脂との複合体からなくことを特徴とする情報記録
媒体。
An information recording medium having a structure in which 42 disks having a recording area on the surface and a hole in the center are laminated together via an outer circumferential spacer and an inner circumferential spacer, the inner circumferential spacer being metal. An information recording medium characterized by being free from a composite of and resin.
JP1982044723U 1982-03-31 1982-03-31 information recording medium Pending JPS58148736U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982044723U JPS58148736U (en) 1982-03-31 1982-03-31 information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982044723U JPS58148736U (en) 1982-03-31 1982-03-31 information recording medium

Publications (1)

Publication Number Publication Date
JPS58148736U true JPS58148736U (en) 1983-10-06

Family

ID=30055771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982044723U Pending JPS58148736U (en) 1982-03-31 1982-03-31 information recording medium

Country Status (1)

Country Link
JP (1) JPS58148736U (en)

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