JPH0350343B2 - - Google Patents
Info
- Publication number
- JPH0350343B2 JPH0350343B2 JP14227884A JP14227884A JPH0350343B2 JP H0350343 B2 JPH0350343 B2 JP H0350343B2 JP 14227884 A JP14227884 A JP 14227884A JP 14227884 A JP14227884 A JP 14227884A JP H0350343 B2 JPH0350343 B2 JP H0350343B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic layer
- magneto
- recording medium
- magnetic
- layer
- 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
- 239000000758 substrate Substances 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 14
- 239000010408 film Substances 0.000 claims description 13
- 229910052723 transition metal Inorganic materials 0.000 claims description 9
- 239000003989 dielectric material Substances 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 79
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 5
- 230000005374 Kerr effect Effects 0.000 description 4
- 229910052771 Terbium Inorganic materials 0.000 description 4
- 238000005566 electron beam evaporation Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000031700 light absorption Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
- 229910052692 Dysprosium Inorganic materials 0.000 description 3
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 229910016629 MnBi Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000007733 ion plating Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910001152 Bi alloy Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KYAZRUPZRJALEP-UHFFFAOYSA-N bismuth manganese Chemical compound [Mn].[Bi] KYAZRUPZRJALEP-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000002834 transmittance Methods 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
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14227884A JPS6122454A (ja) | 1984-07-11 | 1984-07-11 | 磁気光学記録媒体 |
| US07/246,970 US4999260A (en) | 1984-05-31 | 1988-09-21 | Magneto-optical recording medium comprising a rare-earth-transition metal dispersed in a dielectric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14227884A JPS6122454A (ja) | 1984-07-11 | 1984-07-11 | 磁気光学記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6122454A JPS6122454A (ja) | 1986-01-31 |
| JPH0350343B2 true JPH0350343B2 (en]) | 1991-08-01 |
Family
ID=15311641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14227884A Granted JPS6122454A (ja) | 1984-05-31 | 1984-07-11 | 磁気光学記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6122454A (en]) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62219348A (ja) * | 1986-03-20 | 1987-09-26 | Fuji Photo Film Co Ltd | 光磁気記録媒体 |
| JPH0614480Y2 (ja) * | 1988-04-26 | 1994-04-13 | 信越石英株式会社 | 半導体熱処理装置 |
| JPH0752674Y2 (ja) * | 1993-05-19 | 1995-12-06 | 克則 松沢 | バーベキュグリル |
| US7371471B2 (en) | 2004-03-08 | 2008-05-13 | Nec Tokin Corporation | Electromagnetic noise suppressing thin film |
-
1984
- 1984-07-11 JP JP14227884A patent/JPS6122454A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6122454A (ja) | 1986-01-31 |
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