JPH0583971B2 - - Google Patents
Info
- Publication number
- JPH0583971B2 JPH0583971B2 JP57225995A JP22599582A JPH0583971B2 JP H0583971 B2 JPH0583971 B2 JP H0583971B2 JP 57225995 A JP57225995 A JP 57225995A JP 22599582 A JP22599582 A JP 22599582A JP H0583971 B2 JPH0583971 B2 JP H0583971B2
- Authority
- JP
- Japan
- Prior art keywords
- reflective layer
- recording medium
- layer
- film thickness
- magneto
- 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
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- 229910017061 Fe Co Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 230000005374 Kerr effect Effects 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011241 protective layer 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
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22599582A JPS59116990A (ja) | 1982-12-24 | 1982-12-24 | 光磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22599582A JPS59116990A (ja) | 1982-12-24 | 1982-12-24 | 光磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59116990A JPS59116990A (ja) | 1984-07-06 |
| JPH0583971B2 true JPH0583971B2 (fr) | 1993-11-30 |
Family
ID=16838138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22599582A Granted JPS59116990A (ja) | 1982-12-24 | 1982-12-24 | 光磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59116990A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0264944A (ja) * | 1988-08-30 | 1990-03-05 | Mitsubishi Electric Corp | 光磁気記録媒体 |
| JPH0323532A (ja) * | 1989-06-20 | 1991-01-31 | Nec Home Electron Ltd | 光ディスク及びその製造方法 |
| CA2038785C (fr) * | 1990-03-27 | 1998-09-29 | Atsushi Oyamatsu | Support d'enregistrement magneto-optique |
| DE4223850A1 (de) * | 1991-07-23 | 1993-01-28 | Mitsubishi Chem Ind | Magnetooptisches aufzeichnungsmedium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50104602A (fr) * | 1974-01-21 | 1975-08-18 | ||
| JPS57105839A (en) * | 1980-12-24 | 1982-07-01 | Ricoh Co Ltd | Photo-thermal magnetic recording medium |
| JPS57169996A (en) * | 1981-04-09 | 1982-10-19 | Sharp Corp | Magnetooptic storage element |
| JPS598150A (ja) * | 1982-07-02 | 1984-01-17 | Sharp Corp | 磁気光学記憶素子 |
-
1982
- 1982-12-24 JP JP22599582A patent/JPS59116990A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50104602A (fr) * | 1974-01-21 | 1975-08-18 | ||
| JPS57105839A (en) * | 1980-12-24 | 1982-07-01 | Ricoh Co Ltd | Photo-thermal magnetic recording medium |
| JPS57169996A (en) * | 1981-04-09 | 1982-10-19 | Sharp Corp | Magnetooptic storage element |
| JPS598150A (ja) * | 1982-07-02 | 1984-01-17 | Sharp Corp | 磁気光学記憶素子 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59116990A (ja) | 1984-07-06 |
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