JPH01140629U - - Google Patents

Info

Publication number
JPH01140629U
JPH01140629U JP1988036730U JP3673088U JPH01140629U JP H01140629 U JPH01140629 U JP H01140629U JP 1988036730 U JP1988036730 U JP 1988036730U JP 3673088 U JP3673088 U JP 3673088U JP H01140629 U JPH01140629 U JP H01140629U
Authority
JP
Japan
Prior art keywords
circular substrate
embossed
circular
recording medium
optical recording
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
JP1988036730U
Other languages
English (en)
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 filed Critical
Priority to JP1988036730U priority Critical patent/JPH01140629U/ja
Publication of JPH01140629U publication Critical patent/JPH01140629U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る光学的記録媒体の構造を
示す断面図、第２図は従来の光学的記録媒体の構
造を示す断面図である。 １…光学的記録媒体、２，３…透光性基板、４
…記録膜、５…中央孔、６…エンボス部、７…エ
ンボス部、８…中央帯、９…中央溝。

Claims (1)

  1. 【実用新案登録請求の範囲】 記録膜を有する面の内周部及び外周部に円環状
    のエンボス部を設けた２枚の円形基板のエンボス
    部同士を接着してなる光学的記録媒体において、 エンボス部に凸状帯を設けた第１円形基板と、 その中心が第１円形基板の中心と一致して配さ
    れた際、第１円形基板の凸状帯が嵌合し得る凹状
    帯をエンボス部に設けた第２円形基板と を備えたことを特徴とする光学的記録媒体。
JP1988036730U 1988-03-18 1988-03-18 Pending JPH01140629U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988036730U JPH01140629U (ja) 1988-03-18 1988-03-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988036730U JPH01140629U (ja) 1988-03-18 1988-03-18

Publications (1)

Publication Number Publication Date
JPH01140629U true JPH01140629U (ja) 1989-09-26

Family

ID=31263320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988036730U Pending JPH01140629U (ja) 1988-03-18 1988-03-18

Country Status (1)

Country Link
JP (1) JPH01140629U (ja)

Similar Documents

Publication Publication Date Title
JPH01140629U (ja)
JPH0250826U (ja)
JPS6215128U (ja)
JPS63176931U (ja)
JPS61126423U (ja)
JPH0166620U (ja)
JPH0376223U (ja)
JPH0166618U (ja)
JPS6452125U (ja)
JPH0376222U (ja)
JPS6161624U (ja)
JPH025122U (ja)
JPS61118119U (ja)
JPS6442523U (ja)
JPS6198230U (ja)
JPH0394676U (ja)
JPH01133228U (ja)
JPS63195679U (ja)
JPS6298022U (ja)
JPS6179826U (ja)
JPS61121521U (ja)
JPS6218828U (ja)
JPS63146314U (ja)
JPS61174093U (ja)
JPS6222729U (ja)