JPH0535499B2 - - Google Patents
Info
- Publication number
- JPH0535499B2 JPH0535499B2 JP62071722A JP7172287A JPH0535499B2 JP H0535499 B2 JPH0535499 B2 JP H0535499B2 JP 62071722 A JP62071722 A JP 62071722A JP 7172287 A JP7172287 A JP 7172287A JP H0535499 B2 JPH0535499 B2 JP H0535499B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic layer
- magnetization
- layer
- recording
- 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 - Lifetime
Links
- 230000005415 magnetization Effects 0.000 claims description 52
- 239000000758 substrate Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 239000000696 magnetic material Substances 0.000 claims description 9
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 99
- 238000004544 sputter deposition Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000005374 Kerr effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000021438 curry Nutrition 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
-
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7172287A JPS63239637A (ja) | 1987-03-27 | 1987-03-27 | 光磁気記録媒体およびその記録方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7172287A JPS63239637A (ja) | 1987-03-27 | 1987-03-27 | 光磁気記録媒体およびその記録方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63239637A JPS63239637A (ja) | 1988-10-05 |
| JPH0535499B2 true JPH0535499B2 (de) | 1993-05-26 |
Family
ID=13468698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7172287A Granted JPS63239637A (ja) | 1987-03-27 | 1987-03-27 | 光磁気記録媒体およびその記録方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63239637A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2700889B2 (ja) * | 1988-02-29 | 1998-01-21 | 京セラ株式会社 | 光磁気記録素子 |
| JP2674815B2 (ja) * | 1988-12-13 | 1997-11-12 | キヤノン 株式会社 | 光磁気記録方法 |
| JP2714085B2 (ja) * | 1988-12-28 | 1998-02-16 | キヤノン株式会社 | 情報記録方法 |
| JPH02230532A (ja) * | 1989-03-03 | 1990-09-12 | Nec Corp | 光磁気記録媒体 |
| DE69028092T2 (de) * | 1989-11-10 | 1997-04-03 | Mitsubishi Chem Corp | Magnetooptisches aufzeichnungsmedium |
| US5233575A (en) * | 1989-11-10 | 1993-08-03 | Mitsubishi Kasei Corporation | Magneto-optical recording medium |
| JPH06103622A (ja) * | 1992-09-18 | 1994-04-15 | Nikon Corp | Ｒ層を有するオーバーライト可能な光磁気記録媒体 |
| JPH06251443A (ja) * | 1993-02-25 | 1994-09-09 | Sharp Corp | 光磁気記録媒体 |
| JP3192281B2 (ja) * | 1993-06-21 | 2001-07-23 | シャープ株式会社 | 光磁気記録媒体の記録方法 |
| JP2809991B2 (ja) | 1994-01-14 | 1998-10-15 | 富士通株式会社 | 光磁気記録媒体及び該媒体に記録された情報の再生方法 |
| US5815477A (en) * | 1995-01-31 | 1998-09-29 | Canon Kabushiki Kaisha | Write test method for use in recording process for recording information by modulating the power of a laser light thereby forming a high-temperature state and a low-temperature state on a recording medium |
| JPH0969246A (ja) * | 1995-08-30 | 1997-03-11 | Canon Inc | 光学的情報記録再生装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3619618A1 (de) * | 1985-06-11 | 1986-12-11 | Nippon Kogaku K.K., Tokio/Tokyo | Magnetooptisches aufzeichnungsverfahren mit ueberschreibmoeglichkeit, magnetooptische aufzeichnungsvorrichtung und dazugehoeriger aufzeichnungstraeger |
| JPS6242348A (ja) * | 1985-08-19 | 1987-02-24 | Nippon Telegr & Teleph Corp <Ntt> | 光磁気記録媒体 |
-
1987
- 1987-03-27 JP JP7172287A patent/JPS63239637A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3619618A1 (de) * | 1985-06-11 | 1986-12-11 | Nippon Kogaku K.K., Tokio/Tokyo | Magnetooptisches aufzeichnungsverfahren mit ueberschreibmoeglichkeit, magnetooptische aufzeichnungsvorrichtung und dazugehoeriger aufzeichnungstraeger |
| JPS62175948A (ja) * | 1985-06-11 | 1987-08-01 | Nippon Kogaku Kk <Nikon> | オーバーライト可能な光磁気記録方法、それに使用される光磁気記録装置及び光磁気記録媒体、並びに変調方法、変調装置及び光磁気記録媒体 |
| JPS6242348A (ja) * | 1985-08-19 | 1987-02-24 | Nippon Telegr & Teleph Corp <Ntt> | 光磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63239637A (ja) | 1988-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0535499B2 (de) | ||
| JPH0522303B2 (de) | ||
| JP2703587B2 (ja) | 光磁気記録媒体および記録方法 | |
| JPH0395745A (ja) | 光磁気記録方法及び記録装置 | |
| JPH0535494B2 (de) | ||
| JPH0542062B2 (de) | ||
| JPS63155449A (ja) | 光磁気記録方法 | |
| JPH0522301B2 (de) | ||
| JPH0535498B2 (de) | ||
| JPS63153752A (ja) | 光磁気記録媒体及びその記録方法 | |
| JPH0522302B2 (de) | ||
| JPH0535493B2 (de) | ||
| JP2555272B2 (ja) | 光磁気記録再生方法 | |
| JP2589453B2 (ja) | 光磁気記録方法 | |
| JPH087885B2 (ja) | 光磁気記録方法 | |
| JP2674815B2 (ja) | 光磁気記録方法 | |
| JPH0535496B2 (de) | ||
| JP2589451B2 (ja) | 光磁気記録再生装置 | |
| JPS63193351A (ja) | 光磁気記録媒体及び記録方式 | |
| JPS63237242A (ja) | 光磁気記録方式 | |
| JPH0522300B2 (de) | ||
| JPH0535495B2 (de) | ||
| JPH087884B2 (ja) | 光磁気記録方法 | |
| JPH0535497B2 (de) | ||
| JPH05182267A (ja) | 光磁気記録媒体およびその記録方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |