JPS5954056A - 磁気光学記憶素子 - Google Patents
磁気光学記憶素子Info
- Publication number
- JPS5954056A JPS5954056A JP16588282A JP16588282A JPS5954056A JP S5954056 A JPS5954056 A JP S5954056A JP 16588282 A JP16588282 A JP 16588282A JP 16588282 A JP16588282 A JP 16588282A JP S5954056 A JPS5954056 A JP S5954056A
- Authority
- JP
- Japan
- Prior art keywords
- film
- refractive index
- rotation angle
- rare earth
- thickness
- 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
Links
- 239000010408 film Substances 0.000 claims abstract description 117
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 21
- 239000010409 thin film Substances 0.000 claims abstract description 12
- 230000005415 magnetization Effects 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 239000000696 magnetic material Substances 0.000 abstract description 4
- 229910052681 coesite Inorganic materials 0.000 abstract description 3
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 3
- 229910001635 magnesium fluoride Inorganic materials 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 3
- 229910052682 stishovite Inorganic materials 0.000 abstract description 3
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052905 tridymite Inorganic materials 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 230000005374 Kerr effect Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 150000003624 transition metals Chemical class 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16588282A JPS5954056A (ja) | 1982-09-21 | 1982-09-21 | 磁気光学記憶素子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16588282A JPS5954056A (ja) | 1982-09-21 | 1982-09-21 | 磁気光学記憶素子 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3211841A Division JP2908911B2 (ja) | 1991-08-23 | 1991-08-23 | 磁気光学記憶素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5954056A true JPS5954056A (ja) | 1984-03-28 |
JPH0479075B2 JPH0479075B2 (enrdf_load_stackoverflow) | 1992-12-14 |
Family
ID=15820764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16588282A Granted JPS5954056A (ja) | 1982-09-21 | 1982-09-21 | 磁気光学記憶素子 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5954056A (enrdf_load_stackoverflow) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4743502A (en) * | 1985-07-10 | 1988-05-10 | Mitsubishi Chemical Industries Limited | Magneto-optical medium |
JPH01116942A (ja) * | 1987-10-28 | 1989-05-09 | Agency Of Ind Science & Technol | 磁気カー回転角の増大方法および磁気カー効果材料 |
US4956243A (en) * | 1986-01-31 | 1990-09-11 | Sharp Kabushiki Kaisha | Optical memory element |
JPH056587A (ja) * | 1991-08-23 | 1993-01-14 | Sharp Corp | 磁気光学記憶素子 |
US5521006A (en) * | 1992-10-29 | 1996-05-28 | Canon Kabushiki Kaisha | Magneto-optical recording medium |
EP0598377A3 (en) * | 1992-11-17 | 1996-08-21 | Mitsubishi Chem Ind | Magneto-optical recording medium and optical information recording and reading-out method. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5712428A (en) * | 1980-06-23 | 1982-01-22 | Sharp Corp | Magnetooptic storage element |
JPS5727494A (en) * | 1980-07-23 | 1982-02-13 | Sharp Corp | Magneto-optical storage element |
JPS57120253A (en) * | 1981-01-14 | 1982-07-27 | Sharp Corp | Magnetooptical storage elemen |
-
1982
- 1982-09-21 JP JP16588282A patent/JPS5954056A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5712428A (en) * | 1980-06-23 | 1982-01-22 | Sharp Corp | Magnetooptic storage element |
JPS5727494A (en) * | 1980-07-23 | 1982-02-13 | Sharp Corp | Magneto-optical storage element |
JPS57120253A (en) * | 1981-01-14 | 1982-07-27 | Sharp Corp | Magnetooptical storage elemen |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4743502A (en) * | 1985-07-10 | 1988-05-10 | Mitsubishi Chemical Industries Limited | Magneto-optical medium |
US4956243A (en) * | 1986-01-31 | 1990-09-11 | Sharp Kabushiki Kaisha | Optical memory element |
JPH01116942A (ja) * | 1987-10-28 | 1989-05-09 | Agency Of Ind Science & Technol | 磁気カー回転角の増大方法および磁気カー効果材料 |
JPH056587A (ja) * | 1991-08-23 | 1993-01-14 | Sharp Corp | 磁気光学記憶素子 |
US5521006A (en) * | 1992-10-29 | 1996-05-28 | Canon Kabushiki Kaisha | Magneto-optical recording medium |
EP0598377A3 (en) * | 1992-11-17 | 1996-08-21 | Mitsubishi Chem Ind | Magneto-optical recording medium and optical information recording and reading-out method. |
Also Published As
Publication number | Publication date |
---|---|
JPH0479075B2 (enrdf_load_stackoverflow) | 1992-12-14 |
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