JPS57120253A - Magnetooptical storage elemen - Google Patents

Magnetooptical storage elemen

Info

Publication number
JPS57120253A
JPS57120253A JP409081A JP409081A JPS57120253A JP S57120253 A JPS57120253 A JP S57120253A JP 409081 A JP409081 A JP 409081A JP 409081 A JP409081 A JP 409081A JP S57120253 A JPS57120253 A JP S57120253A
Authority
JP
Japan
Prior art keywords
film
magnetic material
substrate
reflecting
layer
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
JP409081A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0444333B2 (en]
Inventor
Kenji Oota
Akira Takahashi
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 JP409081A priority Critical patent/JPS57120253A/ja
Priority to CA000393547A priority patent/CA1185013A/en
Priority to US06/337,132 priority patent/US4390600A/en
Priority to GB8200314A priority patent/GB2094540B/en
Priority to IT1905782A priority patent/IT1149434B/it
Priority to DE3200661A priority patent/DE3200661C2/de
Priority to FR8200451A priority patent/FR2497994B1/fr
Publication of JPS57120253A publication Critical patent/JPS57120253A/ja
Priority to US06/476,345 priority patent/US4489139A/en
Publication of JPH0444333B2 publication Critical patent/JPH0444333B2/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
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field

Landscapes

  • Thin Magnetic Films (AREA)
JP409081A 1981-01-14 1981-01-14 Magnetooptical storage elemen Granted JPS57120253A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP409081A JPS57120253A (en) 1981-01-14 1981-01-14 Magnetooptical storage elemen
CA000393547A CA1185013A (en) 1981-01-14 1982-01-04 Magneto-optic memory medium
US06/337,132 US4390600A (en) 1981-01-14 1982-01-05 Magneto-optic memory medium
GB8200314A GB2094540B (en) 1981-01-14 1982-01-06 Magnetic-optical memory medium
IT1905782A IT1149434B (it) 1981-01-14 1982-01-12 Supporto per una memoria di tipo magneto-ottico
DE3200661A DE3200661C2 (de) 1981-01-14 1982-01-12 Magneto-optischer Speicher
FR8200451A FR2497994B1 (fr) 1981-01-14 1982-01-13 Support de memoire magneto-optique
US06/476,345 US4489139A (en) 1981-01-14 1983-03-17 Magneto-optic memory medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP409081A JPS57120253A (en) 1981-01-14 1981-01-14 Magnetooptical storage elemen

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP61315244A Division JP2565884B2 (ja) 1986-12-25 1986-12-25 磁気光学記憶素子
JP12472287A Division JPS62295238A (ja) 1987-05-20 1987-05-20 磁気光学記憶素子

Publications (2)

Publication Number Publication Date
JPS57120253A true JPS57120253A (en) 1982-07-27
JPH0444333B2 JPH0444333B2 (en]) 1992-07-21

Family

ID=11575090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP409081A Granted JPS57120253A (en) 1981-01-14 1981-01-14 Magnetooptical storage elemen

Country Status (1)

Country Link
JP (1) JPS57120253A (en])

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938779A (ja) * 1982-08-27 1984-03-02 Sharp Corp 磁気光学記憶素子
JPS5938781A (ja) * 1982-08-27 1984-03-02 Sharp Corp 磁気光学記憶素子
JPS5954056A (ja) * 1982-09-21 1984-03-28 Sharp Corp 磁気光学記憶素子
JPS5979447A (ja) * 1982-09-27 1984-05-08 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 熱磁気光学式記録装置及びそのための記録媒体
JPS59195356A (ja) * 1983-04-21 1984-11-06 Victor Co Of Japan Ltd 情報記録媒体円盤
JPS60500148A (ja) * 1982-12-06 1985-01-31 コムテツク　リサ−チ　ユニツト　リミテツド 像形成及びデ−タ記憶
JPS6185653A (ja) * 1984-10-02 1986-05-01 Sharp Corp 光磁気メモリ素子
JPS63122031A (ja) * 1986-11-12 1988-05-26 Hitachi Ltd 光記録媒体
US5055353A (en) * 1989-05-16 1991-10-08 Fuji Photo Film Co., Ltd. Magneto-optical recording medium
JPH04349247A (ja) * 1991-07-26 1992-12-03 Sharp Corp 光磁気記憶素子
JPH06342538A (ja) * 1993-10-12 1994-12-13 Daicel Chem Ind Ltd 光磁気記録ディスクと、その製造方法
US5637411A (en) * 1991-07-29 1997-06-10 Hitachi Maxell, Ltd. Magneto-optical recording medium and process for producing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130103A (en) * 1978-03-16 1979-10-09 Philips Nv Device for writing and reading information on recording carrier body and recording carrier body

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130103A (en) * 1978-03-16 1979-10-09 Philips Nv Device for writing and reading information on recording carrier body and recording carrier body

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938779A (ja) * 1982-08-27 1984-03-02 Sharp Corp 磁気光学記憶素子
JPS5938781A (ja) * 1982-08-27 1984-03-02 Sharp Corp 磁気光学記憶素子
JPS5954056A (ja) * 1982-09-21 1984-03-28 Sharp Corp 磁気光学記憶素子
JPS5979447A (ja) * 1982-09-27 1984-05-08 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 熱磁気光学式記録装置及びそのための記録媒体
JPS60500148A (ja) * 1982-12-06 1985-01-31 コムテツク　リサ−チ　ユニツト　リミテツド 像形成及びデ−タ記憶
JPS59195356A (ja) * 1983-04-21 1984-11-06 Victor Co Of Japan Ltd 情報記録媒体円盤
JPS6185653A (ja) * 1984-10-02 1986-05-01 Sharp Corp 光磁気メモリ素子
JPS63122031A (ja) * 1986-11-12 1988-05-26 Hitachi Ltd 光記録媒体
US5055353A (en) * 1989-05-16 1991-10-08 Fuji Photo Film Co., Ltd. Magneto-optical recording medium
JPH04349247A (ja) * 1991-07-26 1992-12-03 Sharp Corp 光磁気記憶素子
US5637411A (en) * 1991-07-29 1997-06-10 Hitachi Maxell, Ltd. Magneto-optical recording medium and process for producing the same
JPH06342538A (ja) * 1993-10-12 1994-12-13 Daicel Chem Ind Ltd 光磁気記録ディスクと、その製造方法

Also Published As

Publication number Publication date
JPH0444333B2 (en]) 1992-07-21

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