JPH0276329U - - Google Patents

Info

Publication number
JPH0276329U
JPH0276329U JP1988157133U JP15713388U JPH0276329U JP H0276329 U JPH0276329 U JP H0276329U JP 1988157133 U JP1988157133 U JP 1988157133U JP 15713388 U JP15713388 U JP 15713388U JP H0276329 U JPH0276329 U JP H0276329U
Authority
JP
Japan
Prior art keywords
transparent low
recording layer
resistance substrate
resistance
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.)
Granted
Application number
JP1988157133U
Other languages
Japanese (ja)
Other versions
JPH0749626Y2 (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 JP1988157133U priority Critical patent/JPH0749626Y2/en
Priority to CA002000597A priority patent/CA2000597C/en
Priority to US07/421,757 priority patent/US5214636A/en
Priority to KR1019890015062A priority patent/KR920007318B1/en
Priority to DE68924123T priority patent/DE68924123T3/en
Priority to EP89310784A priority patent/EP0365333B2/en
Publication of JPH0276329U publication Critical patent/JPH0276329U/ja
Application granted granted Critical
Publication of JPH0749626Y2 publication Critical patent/JPH0749626Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す縦断面図、第
２図は従来例を示す縦断面図である。 １は透明基板、２は記録層、３は保護層、４は
コーテイング層、５は透明低抵抗基板である。 FIG. 1 is a vertical sectional view showing an embodiment of the present invention, and FIG. 2 is a vertical sectional view showing a conventional example. 1 is a transparent substrate, 2 is a recording layer, 3 is a protective layer, 4 is a coating layer, and 5 is a transparent low resistance substrate.

Claims (1)

【実用新案登録請求の範囲】 表面の体積固有電気抵抗が１０６Ω・cm以下で
ある透明低抵抗基板と、 この透明低抵抗基板の一方の面上に設けられた
記録媒体部としての記録層と、 この記録層の上に設けられた保護層とを備えて
いることを特徴とする光メモリ素子。[Claims for Utility Model Registration] A transparent low-resistance substrate whose surface has a specific volume electric resistance of 10 6 Ω·cm or less, and a recording layer as a recording medium provided on one surface of the transparent low-resistance substrate. An optical memory element comprising: and a protective layer provided on the recording layer.
JP1988157133U 1988-10-21 1988-11-30 Optical memory device Expired - Lifetime JPH0749626Y2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1988157133U JPH0749626Y2 (en) 1988-11-30 1988-11-30 Optical memory device
CA002000597A CA2000597C (en) 1988-10-21 1989-10-12 Optical recording element
US07/421,757 US5214636A (en) 1988-10-21 1989-10-16 Optical recording element having a plurality of thin film filtering layers and optical recording element having an electrically conductive layer
KR1019890015062A KR920007318B1 (en) 1988-10-21 1989-10-19 Optical memory devices
DE68924123T DE68924123T3 (en) 1988-10-21 1989-10-20 Optical record carrier.
EP89310784A EP0365333B2 (en) 1988-10-21 1989-10-20 Optical recording element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988157133U JPH0749626Y2 (en) 1988-11-30 1988-11-30 Optical memory device

Publications (2)

Publication Number Publication Date
JPH0276329U true JPH0276329U (en) 1990-06-12
JPH0749626Y2 JPH0749626Y2 (en) 1995-11-13

Family

ID=31436310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988157133U Expired - Lifetime JPH0749626Y2 (en) 1988-10-21 1988-11-30 Optical memory device

Country Status (1)

Country Link
JP (1) JPH0749626Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6369044A (en) * 1986-09-11 1988-03-29 Seiko Epson Corp optical recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6369044A (en) * 1986-09-11 1988-03-29 Seiko Epson Corp optical recording medium

Also Published As

Publication number Publication date
JPH0749626Y2 (en) 1995-11-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term