JPS5910135U - optical disc - Google Patents

optical disc

Info

Publication number
JPS5910135U
JPS5910135U JP1982102105U JP10210582U JPS5910135U JP S5910135 U JPS5910135 U JP S5910135U JP 1982102105 U JP1982102105 U JP 1982102105U JP 10210582 U JP10210582 U JP 10210582U JP S5910135 U JPS5910135 U JP S5910135U
Authority
JP
Japan
Prior art keywords
optical disc
spacer
glass plate
optical disk
reproduction
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
JP1982102105U
Other languages
Japanese (ja)
Inventor
古田　賢治
中川　邦彦
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP1982102105U priority Critical patent/JPS5910135U/en
Publication of JPS5910135U publication Critical patent/JPS5910135U/en
Pending legal-status Critical Current

Links

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • 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ａ、　ｂ−は従来の光ディスクの平面図および光
ディスクを装着した光デイスク駆動装置の側断面図、第
２図ａ、　　ｂはこの考案の一実施例を示す光ディスク
の平面図および光ディスクを装着した光デイスク駆動装
置の側断面図である。 図中、１は光デイスク駆動用モータ、２はモータ軸、３
はターンテーブル、４は内径調整器、５はばね、６はク
ランパ、７ａ、７ｂはガラス、９はスペーサ、へは光デ
イスク駆動装置１．Ｂは光ディスクである。なお、図中
の同一符号は同一または相当部分を示す。1A and 1B are a plan view of a conventional optical disk and a side sectional view of an optical disk drive device equipped with an optical disk, and FIGS. 2A and 2B are a plan view of an optical disk and an optical disk showing an embodiment of this invention. FIG. 3 is a side sectional view of the attached optical disk drive device. In the figure, 1 is the optical disk drive motor, 2 is the motor shaft, and 3 is the motor for driving the optical disk.
is a turntable; 4 is an inner diameter adjuster; 5 is a spring; 6 is a clamper; 7a and 7b are glasses; 9 is a spacer; B is an optical disc. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中心に穴のあいた円盤形状のガラス板の片面に薄膜金属
を蒸着し、このガラス板２枚を互いに蒸着面が内側にな
るようにして、かつスペーサをはさんで接着して構成さ
れた両面記録再生用光ディスクにおいて、前記スペーサ
の最外周縁を前記ガラス板の周面より外方へ突出させた
ことを特徴とする光ディスク。Double-sided recording is made by depositing a thin metal film on one side of a disk-shaped glass plate with a hole in the center, and then bonding the two glass plates together with the vapor-deposited side facing inside, with a spacer in between. An optical disc for reproduction, characterized in that the outermost peripheral edge of the spacer projects outward from the peripheral surface of the glass plate.
JP1982102105U 1982-07-06 1982-07-06 optical disc Pending JPS5910135U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982102105U JPS5910135U (en) 1982-07-06 1982-07-06 optical disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982102105U JPS5910135U (en) 1982-07-06 1982-07-06 optical disc

Publications (1)

Publication Number Publication Date
JPS5910135U true JPS5910135U (en) 1984-01-23

Family

ID=30240828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982102105U Pending JPS5910135U (en) 1982-07-06 1982-07-06 optical disc

Country Status (1)

Country Link
JP (1) JPS5910135U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774842A (en) * 1980-10-24 1982-05-11 Mitsubishi Electric Corp Optical information recording disk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774842A (en) * 1980-10-24 1982-05-11 Mitsubishi Electric Corp Optical information recording disk

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