JPS57169996A - Magnetooptic storage element - Google Patents

Magnetooptic storage element

Info

Publication number
JPS57169996A
JPS57169996A JP5407081A JP5407081A JPS57169996A JP S57169996 A JPS57169996 A JP S57169996A JP 5407081 A JP5407081 A JP 5407081A JP 5407081 A JP5407081 A JP 5407081A JP S57169996 A JPS57169996 A JP S57169996A
Authority
JP
Japan
Prior art keywords
film
storage element
thin film
refractive index
magnetooptic
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
JP5407081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6227458B2 (enrdf_load_stackoverflow
Inventor
Akira Takahashi
Kenji Oota
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 JP5407081A priority Critical patent/JPS57169996A/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 JPS57169996A publication Critical patent/JPS57169996A/ja
Priority to US06/476,345 priority patent/US4489139A/en
Publication of JPS6227458B2 publication Critical patent/JPS6227458B2/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
    • G11B11/105—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 using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
JP5407081A 1981-01-14 1981-04-09 Magnetooptic storage element Granted JPS57169996A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP5407081A JPS57169996A (en) 1981-04-09 1981-04-09 Magnetooptic storage element
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
JP5407081A JPS57169996A (en) 1981-04-09 1981-04-09 Magnetooptic storage element

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP14889089A Division JPH038155A (ja) 1989-06-12 1989-06-12 磁気光学記憶素子

Publications (2)

Publication Number Publication Date
JPS57169996A true JPS57169996A (en) 1982-10-19
JPS6227458B2 JPS6227458B2 (enrdf_load_stackoverflow) 1987-06-15

Family

ID=12960353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5407081A Granted JPS57169996A (en) 1981-01-14 1981-04-09 Magnetooptic storage element

Country Status (1)

Country Link
JP (1) JPS57169996A (enrdf_load_stackoverflow)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979445A (ja) * 1982-10-28 1984-05-08 Sharp Corp 光磁気記憶素子
JPS59110056A (ja) * 1982-12-13 1984-06-25 Matsushita Electric Ind Co Ltd 光磁気記録媒体
JPS59116990A (ja) * 1982-12-24 1984-07-06 Ricoh Co Ltd 光磁気記録媒体
JPS6063747A (ja) * 1983-09-16 1985-04-12 Sharp Corp 磁気光学記憶素子
JPS60163247A (ja) * 1984-02-06 1985-08-26 Ulvac Corp 光磁気記録体
JPS62121945A (ja) * 1985-11-22 1987-06-03 Mitsubishi Electric Corp 磁気光学記憶素子の製造方法
JPS62139156A (ja) * 1985-12-11 1987-06-22 Sharp Corp 光記録デバイスの製造方法
JPS62279536A (ja) * 1986-05-28 1987-12-04 Seiko Epson Corp 光記録媒体
JPS62293539A (ja) * 1986-06-12 1987-12-21 Konica Corp 光磁気記録媒体
JPH01160075A (ja) * 1987-12-17 1989-06-22 Matsushita Electric Ind Co Ltd 半導体レーザ
JPH01159840A (ja) * 1987-12-17 1989-06-22 Matsushita Electric Ind Co Ltd 光ディスク
JPH01171142A (ja) * 1987-12-25 1989-07-06 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01173455A (ja) * 1987-12-28 1989-07-10 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01173454A (ja) * 1987-12-28 1989-07-10 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01287848A (ja) * 1988-05-16 1989-11-20 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01315051A (ja) * 1988-03-07 1989-12-20 Mitsubishi Kasei Corp 光磁気記録媒体
US4939023A (en) * 1984-08-13 1990-07-03 Canon Kabushiki Kaisha Opto-magnetic recording medium
JPH03156755A (ja) * 1990-10-19 1991-07-04 Sharp Corp 光メモリ素子の製造方法
JPH04349247A (ja) * 1991-07-26 1992-12-03 Sharp Corp 光磁気記憶素子
US5232790A (en) * 1990-04-28 1993-08-03 Kyocera Corporation Magneto-optical recording disc and method of producing it
JPH05334745A (ja) * 1992-12-25 1993-12-17 Sharp Corp 光メモリ素子
JPH0644626A (ja) * 1992-08-27 1994-02-18 Canon Inc 磁性薄膜記録媒体
JPH06318347A (ja) * 1993-10-12 1994-11-15 Daicel Chem Ind Ltd 光磁気記録ディスク
US5637411A (en) * 1991-07-29 1997-06-10 Hitachi Maxell, Ltd. Magneto-optical recording medium and process for producing the same
US5965286A (en) * 1990-08-07 1999-10-12 Hitachi Maxell, Ltd. Magneto-optical recording medium

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0284118A (ja) * 1988-09-20 1990-03-26 Hitachi Reinetsu Kk ロックウール裁培装置
JPH02111255U (enrdf_load_stackoverflow) * 1989-02-27 1990-09-05

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174140A (en) * 1959-07-01 1965-03-16 Ibm Magneto-optical recording and readout device
US3594064A (en) * 1969-06-25 1971-07-20 Du Pont Enhanced magneto-optic mirror apparatus
JPS5114263A (en) * 1974-07-26 1976-02-04 Hitachi Ltd Setsugono roeiboshiho
JPS5232931A (en) * 1975-09-09 1977-03-12 Fuji Heavy Ind Ltd Method for coating joint surfaces of two parts
JPS5441703A (en) * 1977-09-09 1979-04-03 Hitachi Ltd Information recording plate
JPS54126005A (en) * 1978-02-24 1979-09-29 Rca Corp Recording material
JPS5534340A (en) * 1978-08-31 1980-03-10 Nippon Hoso Kyokai <Nhk> Recording reproducing system by light beam
JPS5539047A (en) * 1978-09-13 1980-03-18 Ricoh Co Ltd Detection of advancing speed of recording element
JPS5587332A (en) * 1978-12-25 1980-07-02 Matsushita Electric Ind Co Ltd Magnetic light recording medium
JPS5589928A (en) * 1978-12-27 1980-07-08 Fujitsu Ltd Vertical magnetic recorder and its reproduction system
JPS55139645A (en) * 1979-04-12 1980-10-31 Nippon Telegr & Teleph Corp <Ntt> Transfer speed converter
JPS55163640A (en) * 1979-06-01 1980-12-19 Sharp Corp Magnetic/optical memory element
JPS56137537A (en) * 1980-03-27 1981-10-27 Matsushita Electric Ind Co Ltd Optical recording member and its manufacture

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174140A (en) * 1959-07-01 1965-03-16 Ibm Magneto-optical recording and readout device
US3594064A (en) * 1969-06-25 1971-07-20 Du Pont Enhanced magneto-optic mirror apparatus
JPS5114263A (en) * 1974-07-26 1976-02-04 Hitachi Ltd Setsugono roeiboshiho
JPS5232931A (en) * 1975-09-09 1977-03-12 Fuji Heavy Ind Ltd Method for coating joint surfaces of two parts
JPS5441703A (en) * 1977-09-09 1979-04-03 Hitachi Ltd Information recording plate
JPS54126005A (en) * 1978-02-24 1979-09-29 Rca Corp Recording material
JPS5534340A (en) * 1978-08-31 1980-03-10 Nippon Hoso Kyokai <Nhk> Recording reproducing system by light beam
JPS5539047A (en) * 1978-09-13 1980-03-18 Ricoh Co Ltd Detection of advancing speed of recording element
JPS5587332A (en) * 1978-12-25 1980-07-02 Matsushita Electric Ind Co Ltd Magnetic light recording medium
JPS5589928A (en) * 1978-12-27 1980-07-08 Fujitsu Ltd Vertical magnetic recorder and its reproduction system
JPS55139645A (en) * 1979-04-12 1980-10-31 Nippon Telegr & Teleph Corp <Ntt> Transfer speed converter
JPS55163640A (en) * 1979-06-01 1980-12-19 Sharp Corp Magnetic/optical memory element
JPS56137537A (en) * 1980-03-27 1981-10-27 Matsushita Electric Ind Co Ltd Optical recording member and its manufacture

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979445A (ja) * 1982-10-28 1984-05-08 Sharp Corp 光磁気記憶素子
JPS59110056A (ja) * 1982-12-13 1984-06-25 Matsushita Electric Ind Co Ltd 光磁気記録媒体
JPS59116990A (ja) * 1982-12-24 1984-07-06 Ricoh Co Ltd 光磁気記録媒体
JPS6063747A (ja) * 1983-09-16 1985-04-12 Sharp Corp 磁気光学記憶素子
JPS60163247A (ja) * 1984-02-06 1985-08-26 Ulvac Corp 光磁気記録体
US4939023A (en) * 1984-08-13 1990-07-03 Canon Kabushiki Kaisha Opto-magnetic recording medium
JPS62121945A (ja) * 1985-11-22 1987-06-03 Mitsubishi Electric Corp 磁気光学記憶素子の製造方法
JPS62139156A (ja) * 1985-12-11 1987-06-22 Sharp Corp 光記録デバイスの製造方法
JPS62279536A (ja) * 1986-05-28 1987-12-04 Seiko Epson Corp 光記録媒体
JPS62293539A (ja) * 1986-06-12 1987-12-21 Konica Corp 光磁気記録媒体
JPH01160075A (ja) * 1987-12-17 1989-06-22 Matsushita Electric Ind Co Ltd 半導体レーザ
JPH01159840A (ja) * 1987-12-17 1989-06-22 Matsushita Electric Ind Co Ltd 光ディスク
JPH01171142A (ja) * 1987-12-25 1989-07-06 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01173455A (ja) * 1987-12-28 1989-07-10 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01173454A (ja) * 1987-12-28 1989-07-10 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01315051A (ja) * 1988-03-07 1989-12-20 Mitsubishi Kasei Corp 光磁気記録媒体
JPH01287848A (ja) * 1988-05-16 1989-11-20 Mitsubishi Kasei Corp 光磁気記録媒体
US5232790A (en) * 1990-04-28 1993-08-03 Kyocera Corporation Magneto-optical recording disc and method of producing it
US5965286A (en) * 1990-08-07 1999-10-12 Hitachi Maxell, Ltd. Magneto-optical recording medium
JPH03156755A (ja) * 1990-10-19 1991-07-04 Sharp Corp 光メモリ素子の製造方法
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
JPH0644626A (ja) * 1992-08-27 1994-02-18 Canon Inc 磁性薄膜記録媒体
JPH05334745A (ja) * 1992-12-25 1993-12-17 Sharp Corp 光メモリ素子
JPH06318347A (ja) * 1993-10-12 1994-11-15 Daicel Chem Ind Ltd 光磁気記録ディスク

Also Published As

Publication number Publication date
JPS6227458B2 (enrdf_load_stackoverflow) 1987-06-15

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