DE3752348T2 - Magneto-optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this medium - Google Patents

Magneto-optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this medium

Info

Publication number
DE3752348T2
DE3752348T2 DE19873752348 DE3752348T DE3752348T2 DE 3752348 T2 DE3752348 T2 DE 3752348T2 DE 19873752348 DE19873752348 DE 19873752348 DE 3752348 T DE3752348 T DE 3752348T DE 3752348 T2 DE3752348 T2 DE 3752348T2
Authority
DE
Germany
Prior art keywords
medium
overwriting
magneto
possibility
magnetic layers
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 - Fee Related
Application number
DE19873752348
Other languages
German (de)
Other versions
DE3752348D1 (en
Inventor
Yoichi Osato
Hisaaki Kawade
Eiichi Fujii
Nobuhiro Kasama
Tadashi Kobayashi
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
Priority claimed from JP61191202A external-priority patent/JPS6348637A/en
Priority claimed from JP61262034A external-priority patent/JPS63117354A/en
Priority claimed from JP27856686A external-priority patent/JPH087884B2/en
Priority claimed from JP27856786A external-priority patent/JPH087885B2/en
Priority claimed from JP62020384A external-priority patent/JPS63153752A/en
Priority claimed from JP62021675A external-priority patent/JPS63191337A/en
Priority claimed from JP62023993A external-priority patent/JPS63191338A/en
Priority claimed from JP62024707A external-priority patent/JPS63193352A/en
Priority claimed from JP62024706A external-priority patent/JPS63193351A/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE3752348D1 publication Critical patent/DE3752348D1/en
Publication of DE3752348T2 publication Critical patent/DE3752348T2/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE19873752348 1986-07-08 1987-07-08 Magneto-optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this medium Expired - Fee Related DE3752348T2 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP15878786 1986-07-08
JP61191202A JPS6348637A (en) 1986-08-16 1986-08-16 Magneto-optical recording medium and magnet-optical recording method
JP61262034A JPS63117354A (en) 1986-11-05 1986-11-05 Magneto-optical recording medium
JP27856786A JPH087885B2 (en) 1986-11-25 1986-11-25 Magneto-optical recording method
JP27856686A JPH087884B2 (en) 1986-11-25 1986-11-25 Magneto-optical recording method
JP62020384A JPS63153752A (en) 1986-07-08 1987-02-02 Magneto-optical recording medium and its recording method
JP62021675A JPS63191337A (en) 1987-02-03 1987-02-03 Magneto-optical recording medium and recording system
JP62023993A JPS63191338A (en) 1987-02-04 1987-02-04 Magneto-optical recording medium and recording system
JP62024707A JPS63193352A (en) 1987-02-06 1987-02-06 Production of magneto-optical recording medium
JP62024706A JPS63193351A (en) 1987-02-06 1987-02-06 Magneto-optical recording medium and recording system

Publications (2)

Publication Number Publication Date
DE3752348D1 DE3752348D1 (en) 2002-04-04
DE3752348T2 true DE3752348T2 (en) 2002-08-14

Family

ID=27579711

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873752348 Expired - Fee Related DE3752348T2 (en) 1986-07-08 1987-07-08 Magneto-optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this medium
DE19873752351 Expired - Fee Related DE3752351T2 (en) 1986-07-08 1987-07-08 Device and system for recording on a magneto-optical recording medium

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19873752351 Expired - Fee Related DE3752351T2 (en) 1986-07-08 1987-07-08 Device and system for recording on a magneto-optical recording medium

Country Status (1)

Country Link
DE (2) DE3752348T2 (en)

Also Published As

Publication number Publication date
DE3752351D1 (en) 2002-05-23
DE3752351T2 (en) 2002-10-02
DE3752348D1 (en) 2002-04-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee