JPH0556570B2 - - Google Patents

Info

Publication number
JPH0556570B2
JPH0556570B2 JP9543784A JP9543784A JPH0556570B2 JP H0556570 B2 JPH0556570 B2 JP H0556570B2 JP 9543784 A JP9543784 A JP 9543784A JP 9543784 A JP9543784 A JP 9543784A JP H0556570 B2 JPH0556570 B2 JP H0556570B2
Authority
JP
Japan
Prior art keywords
resist
substrate
guide track
optical memory
guide
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.)
Expired - Lifetime
Application number
JP9543784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60239954A (ja
Inventor
Kenji Oota
Junji Hirokane
Akira Takahashi
Tetsuya Inui
Toshihisa Deguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP9543784A priority Critical patent/JPS60239954A/ja
Publication of JPS60239954A publication Critical patent/JPS60239954A/ja
Publication of JPH0556570B2 publication Critical patent/JPH0556570B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP9543784A 1984-05-11 1984-05-11 光メモリ素子の製造方法 Granted JPS60239954A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9543784A JPS60239954A (ja) 1984-05-11 1984-05-11 光メモリ素子の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9543784A JPS60239954A (ja) 1984-05-11 1984-05-11 光メモリ素子の製造方法

Publications (2)

Publication Number Publication Date
JPS60239954A JPS60239954A (ja) 1985-11-28
JPH0556570B2 true JPH0556570B2 (enExample) 1993-08-19

Family

ID=14137672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9543784A Granted JPS60239954A (ja) 1984-05-11 1984-05-11 光メモリ素子の製造方法

Country Status (1)

Country Link
JP (1) JPS60239954A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07122940B2 (ja) * 1985-01-14 1995-12-25 株式会社リコー 光磁気記録媒体の製造方法

Also Published As

Publication number Publication date
JPS60239954A (ja) 1985-11-28

Similar Documents

Publication Publication Date Title
JP2723986B2 (ja) 光ディスク原盤の作製方法
EP0418897B1 (en) Manufacturing method of high density optical recording medium
JPH04286736A (ja) 光メモリ素子のマスター原盤用基板の製造方法
JPS60170045A (ja) アドレス，案内溝付光デイスク製造方法
JPS6185653A (ja) 光磁気メモリ素子
US4839251A (en) Photo-mask for use in manufacturing an optical memory disc, a method for making the photo-mask and a method for manufacturing the optical memory disc
CA2056308C (en) Method for manufacturing a photomask for an optical memory
US5432047A (en) Patterning process for bipolar optical storage medium
JPH0556570B2 (enExample)
JP2566111B2 (ja) 光磁気メモリ素子
JP3108671B2 (ja) 光磁気メモリ素子
JP2863431B2 (ja) 光磁気記録再生装置
JPS63124246A (ja) 光学的記録媒体用原盤の製造方法
KR100188922B1 (ko) 광디스크 제조용 유리기판 및 포토마스크의 제조방법
JP3108682B2 (ja) 光磁気メモリ素子の製造方法
JPH05120734A (ja) 光デイスク及びその製造方法
JPH0935334A (ja) 光ディスク及び光ディスクのアクセス方法
JP2507776B2 (ja) 光メモリ素子の製造方法
JP3129419B2 (ja) 光ディスク用ガラスマスタの製造方法及び光ディスク用ガラスマスタ
JPH01285037A (ja) 光メモリ素子用基板の製造方法
JPS6228944A (ja) 光学情報記録再生デイスク
JPH01285038A (ja) 光メモリ素子の製造方法
JPS62223837A (ja) 光記録原盤の製造方法
JPH01150254A (ja) 光メモリ素子用フォトマスク及びその製造方法
JPH0479044A (ja) 光情報記録担体の製造方法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term