JPS61156547A - 円盤状記録媒体の作製方法 - Google Patents

円盤状記録媒体の作製方法

Info

Publication number
JPS61156547A
JPS61156547A JP59274688A JP27468884A JPS61156547A JP S61156547 A JPS61156547 A JP S61156547A JP 59274688 A JP59274688 A JP 59274688A JP 27468884 A JP27468884 A JP 27468884A JP S61156547 A JPS61156547 A JP S61156547A
Authority
JP
Japan
Prior art keywords
disk
recording
center hole
backing
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.)
Granted
Application number
JP59274688A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0576102B2 (enrdf_load_stackoverflow
Inventor
Makoto Yomo
誠 四方
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP59274688A priority Critical patent/JPS61156547A/ja
Publication of JPS61156547A publication Critical patent/JPS61156547A/ja
Publication of JPH0576102B2 publication Critical patent/JPH0576102B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

Landscapes

  • Magnetic Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59274688A 1984-12-28 1984-12-28 円盤状記録媒体の作製方法 Granted JPS61156547A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59274688A JPS61156547A (ja) 1984-12-28 1984-12-28 円盤状記録媒体の作製方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59274688A JPS61156547A (ja) 1984-12-28 1984-12-28 円盤状記録媒体の作製方法

Publications (2)

Publication Number Publication Date
JPS61156547A true JPS61156547A (ja) 1986-07-16
JPH0576102B2 JPH0576102B2 (enrdf_load_stackoverflow) 1993-10-21

Family

ID=17545175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59274688A Granted JPS61156547A (ja) 1984-12-28 1984-12-28 円盤状記録媒体の作製方法

Country Status (1)

Country Link
JP (1) JPS61156547A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62129129U (enrdf_load_stackoverflow) * 1986-02-04 1987-08-15
JPS6322619U (enrdf_load_stackoverflow) * 1986-07-22 1988-02-15
JPH0514841U (ja) * 1991-08-02 1993-02-26 建設省北陸地方建設局長 流量測定用浮子
US5504735A (en) * 1987-10-27 1996-04-02 Seiko Epson Corporation Information recording disk having a stepped central recess and hub configuration
EP0797195A2 (en) 1996-03-21 1997-09-24 Sony Corporation Optical disc and disc cartridge
EP0777225A3 (de) * 1995-11-28 1999-03-24 Balzers und Leybold Deutschland Holding Aktiengesellschaft Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates und Verfahren zum zentrischen Spannen eines kreisscheibenförmigen Substrates
KR100582955B1 (ko) * 2001-05-14 2006-05-23 엘지전자 주식회사 비대칭 상하구조의 중앙홀을 갖는 고밀도 광디스크 및 그 제조방법
EP1152407A3 (en) * 2000-04-25 2006-10-25 Matsushita Electric Industrial Co., Ltd. Optical disk, method for producing the same, and apparatus for producing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6151632A (ja) * 1984-08-20 1986-03-14 Matsushita Electric Ind Co Ltd 情報記録担体

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6151632A (ja) * 1984-08-20 1986-03-14 Matsushita Electric Ind Co Ltd 情報記録担体

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62129129U (enrdf_load_stackoverflow) * 1986-02-04 1987-08-15
JPS6322619U (enrdf_load_stackoverflow) * 1986-07-22 1988-02-15
US5504735A (en) * 1987-10-27 1996-04-02 Seiko Epson Corporation Information recording disk having a stepped central recess and hub configuration
JPH0514841U (ja) * 1991-08-02 1993-02-26 建設省北陸地方建設局長 流量測定用浮子
EP0777225A3 (de) * 1995-11-28 1999-03-24 Balzers und Leybold Deutschland Holding Aktiengesellschaft Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates und Verfahren zum zentrischen Spannen eines kreisscheibenförmigen Substrates
EP0797195A2 (en) 1996-03-21 1997-09-24 Sony Corporation Optical disc and disc cartridge
US6151293A (en) * 1996-03-21 2000-11-21 Sony Corporation Two-layer optical disk unaffected by position deviation
EP0797195A3 (en) * 1996-03-21 2001-04-11 Sony Corporation Optical disc and disc cartridge
KR100659740B1 (ko) * 1996-03-21 2007-07-06 소니 가부시끼 가이샤 광디스크및디스크카트리지
EP1152407A3 (en) * 2000-04-25 2006-10-25 Matsushita Electric Industrial Co., Ltd. Optical disk, method for producing the same, and apparatus for producing the same
KR100582955B1 (ko) * 2001-05-14 2006-05-23 엘지전자 주식회사 비대칭 상하구조의 중앙홀을 갖는 고밀도 광디스크 및 그 제조방법

Also Published As

Publication number Publication date
JPH0576102B2 (enrdf_load_stackoverflow) 1993-10-21

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