JPS5792443A - Information memory storage and its forming method - Google Patents

Information memory storage and its forming method

Info

Publication number
JPS5792443A
JPS5792443A JP56159361A JP15936181A JPS5792443A JP S5792443 A JPS5792443 A JP S5792443A JP 56159361 A JP56159361 A JP 56159361A JP 15936181 A JP15936181 A JP 15936181A JP S5792443 A JPS5792443 A JP S5792443A
Authority
JP
Japan
Prior art keywords
forming method
memory storage
information memory
information
storage
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
JP56159361A
Other languages
English (en)
Inventor
Moo Eritsuku
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.)
Storage Technology Corp
Original Assignee
Storage Technology 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 Storage Technology Corp filed Critical Storage Technology Corp
Publication of JPS5792443A publication Critical patent/JPS5792443A/ja
Pending 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP56159361A 1980-10-06 1981-10-06 Information memory storage and its forming method Pending JPS5792443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/194,384 US4331966A (en) 1980-10-06 1980-10-06 Information storage device and method of forming same

Publications (1)

Publication Number Publication Date
JPS5792443A true JPS5792443A (en) 1982-06-09

Family

ID=22717397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56159361A Pending JPS5792443A (en) 1980-10-06 1981-10-06 Information memory storage and its forming method

Country Status (9)

Country Link
US (1) US4331966A (ja)
JP (1) JPS5792443A (ja)
BE (1) BE890635A (ja)
DE (1) DE3139364A1 (ja)
FR (1) FR2491664A1 (ja)
GB (1) GB2087129B (ja)
IT (1) IT1194102B (ja)
LU (1) LU83673A1 (ja)
NL (1) NL8104519A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592244A (ja) * 1982-06-08 1984-01-07 トムソン−セ−エスエフ ディスク保護構造体
JPS6015877A (ja) * 1983-06-30 1985-01-26 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 光フロツピ−・デイスク装置
JPS60226040A (ja) * 1984-04-24 1985-11-11 Daicel Chem Ind Ltd 円盤状情報記録担体
JPS6285929U (ja) * 1985-11-18 1987-06-01

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8102283A (nl) * 1981-05-11 1982-12-01 Philips Nv Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
JPS58130451A (ja) * 1982-01-29 1983-08-03 Toshiba Corp 情報記憶媒体
JPS5971146A (ja) * 1982-10-14 1984-04-21 Toshiba Corp 情報記憶媒体
JPS5987636A (ja) * 1982-11-10 1984-05-21 Toshiba Corp 情報記憶媒体
US4499477A (en) * 1983-03-14 1985-02-12 Minnesota Mining And Manufacturing Company Cover assembly for optical recording medium
US4556968A (en) * 1983-03-31 1985-12-03 Storage Technology Partners Ii Unconstrained removable protective cover for optical disk
US4583102A (en) * 1983-05-04 1986-04-15 Matsushita Electric Industrial Co., Ltd. Optical disc and method of manufacturing
US4635245A (en) * 1983-05-31 1987-01-06 Ltv Aerospace And Defense Company Frasable optical read/write data storage disc
US4672600A (en) * 1983-11-28 1987-06-09 Northern Telecom Limited Optical disc having protective cover
NL8400476A (nl) * 1984-02-14 1985-09-02 Philips Nv Optisch uitleesbare geheugenschijf.
JPS6145731U (ja) * 1984-08-23 1986-03-26 パイオニア株式会社 光学式情報記録担体
JPH0416253Y2 (ja) * 1985-01-30 1992-04-13
EP0192244B1 (en) * 1985-02-18 1990-06-13 Hitachi Maxell Ltd. An optical disc
US5273598A (en) * 1985-02-18 1993-12-28 Hitachi Maxell, Ltd. Optical disc manufacturing method
US4635076A (en) * 1985-03-14 1987-01-06 Minnesota Mining And Manufacturing Company Two-sided optical recording medium
SU1628081A1 (ru) * 1986-02-07 1991-02-15 Институт Проблем Моделирования В Энергетике Ан Усср Носитель информации оптического запоминающего устройства
JP2526864B2 (ja) * 1986-04-16 1996-08-21 ソニー株式会社 光学記録媒体
FR2621160B1 (fr) * 1987-09-29 1989-12-08 Bernardo Jean Claude Procede permettant la lecture continue des deux faces d'un disque sans interruption perceptible par l'utilisateur en fin de face i, vitesse lineaire constante et/ou vitesse angulaire constante, et dispositif appliquant ledit procede
US5258972A (en) * 1990-06-25 1993-11-02 Msc Technology Corporation Magnetic damping disc for improved CD player performance
US5293370A (en) * 1991-01-16 1994-03-08 Del Mar Avionics Method and apparatus for creating optical disc masters
GB2326014A (en) * 1997-05-16 1998-12-09 Jan Robert Coyle A two-sided digital disc

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE190908C (ja) *
FR2275843A1 (fr) * 1974-06-21 1976-01-16 Thomson Brandt Dispositif de protection permanente d'un disque souple d'enregistrement compatible avec une lecture optique
US4038663A (en) * 1975-09-23 1977-07-26 U.S. Philips Corporation Method of writing information with a modulated radiation beam onto an information storage medium and information storage medium particularly adapted to the method
US4074282A (en) * 1976-05-13 1978-02-14 North American Philips Corporation Radiation-sensitive record with protected sensitive surface
JPS554710A (en) * 1978-06-22 1980-01-14 Toppan Printing Co Ltd Cassette disc
US4264911A (en) * 1979-08-20 1981-04-28 Mca Discovision, Inc. Optical recording disc and related method of manufacture
DE3176118D1 (en) * 1980-10-09 1987-05-21 Toshiba Kk Data recording medium

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592244A (ja) * 1982-06-08 1984-01-07 トムソン−セ−エスエフ ディスク保護構造体
JPH0359494B2 (ja) * 1982-06-08 1991-09-10 Thomson Csf
JPS6015877A (ja) * 1983-06-30 1985-01-26 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 光フロツピ−・デイスク装置
JPH0370864B2 (ja) * 1983-06-30 1991-11-11 Intaanashonaru Bijinesu Mashiinzu Corp
JPS60226040A (ja) * 1984-04-24 1985-11-11 Daicel Chem Ind Ltd 円盤状情報記録担体
JPH0430652B2 (ja) * 1984-04-24 1992-05-22
JPS6285929U (ja) * 1985-11-18 1987-06-01

Also Published As

Publication number Publication date
IT1194102B (it) 1988-09-14
DE3139364A1 (de) 1982-08-05
FR2491664A1 (fr) 1982-04-09
LU83673A1 (fr) 1982-04-14
US4331966A (en) 1982-05-25
GB2087129B (en) 1984-12-19
IT8124360A0 (it) 1981-10-06
BE890635A (fr) 1982-04-05
NL8104519A (nl) 1982-05-03
GB2087129A (en) 1982-05-19

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