JPS58163032U - optical disk - Google Patents

optical disk

Info

Publication number
JPS58163032U
JPS58163032U JP1982060741U JP6074182U JPS58163032U JP S58163032 U JPS58163032 U JP S58163032U JP 1982060741 U JP1982060741 U JP 1982060741U JP 6074182 U JP6074182 U JP 6074182U JP S58163032 U JPS58163032 U JP S58163032U
Authority
JP
Japan
Prior art keywords
optical disk
glass
vapor
deposited
inner diameter
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
JP1982060741U
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 JP1982060741U priority Critical patent/JPS58163032U/en
Publication of JPS58163032U publication Critical patent/JPS58163032U/en
Pending legal-status Critical Current

Links

Landscapes

  • Duplication Or Marking (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) [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 drawings]

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=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、第3図a、  bはこの考案の他の実施
例を示す光ディスクの平面図および側断面図である。 図中、1は光デイスク駆動用のモータ、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、8は内周用のスペーサ
、9は外周用のスペーサ、Aは光デイスク駆動装置、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。 第2図 第3図
Figures 1a and 1b are a plan view of a conventional optical disc and a side sectional view of an optical disc drive device with an optical disc installed, and Figures 2a and 2b are a plan view of an optical disc and a side sectional view of an optical disc drive device with an optical disc installed, showing an embodiment of this invention. Figures 3a and 3b are a plan view and a side sectional view of an optical disc showing another embodiment of this invention. In the figure, 1 is the motor for driving the optical disk, 2 is the motor shaft,
3 is a turntable, 4 is an inner diameter adjuster, 5 is a spring, 6 is a clamper, 7a, 7b are glasses, 8 is a spacer for the inner circumference, 9 is a spacer for the outer circumference, A is an optical disk drive device, B
is an optical disc. Note that the same reference numerals in the figures indicate the same or corresponding parts. Figure 2 Figure 3

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の片面に薄膜金属を
蒸着し、このガラス2枚を互いに蒸着面が内側になるよ
うにして、かつ内周用および外周用のスペーサをはさん
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、前記内周用のスペーサの内径を前記ガラスの内径よ
りも小さくしたことを特徴と守る光ディスク。
A thin film of metal is vapor-deposited on one side of a disk-shaped glass with a hole in the center, and the two pieces of glass are glued together with the vapor-deposited side facing inside, with spacers for the inner and outer peripheries in between. What is claimed is: 1. An optical disk for double-sided recording and reproduction, characterized in that the inner diameter of the inner spacer is smaller than the inner diameter of the glass.
JP1982060741U 1982-04-26 1982-04-26 optical disk Pending JPS58163032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982060741U JPS58163032U (en) 1982-04-26 1982-04-26 optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982060741U JPS58163032U (en) 1982-04-26 1982-04-26 optical disk

Publications (1)

Publication Number Publication Date
JPS58163032U true JPS58163032U (en) 1983-10-29

Family

ID=30070975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982060741U Pending JPS58163032U (en) 1982-04-26 1982-04-26 optical disk

Country Status (1)

Country Link
JP (1) JPS58163032U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61153848A (en) * 1984-12-26 1986-07-12 Nec Corp Optical disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61153848A (en) * 1984-12-26 1986-07-12 Nec Corp Optical disk

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