JPH0338661B2 - - Google Patents
Info
- Publication number
- JPH0338661B2 JPH0338661B2 JP55101604A JP10160480A JPH0338661B2 JP H0338661 B2 JPH0338661 B2 JP H0338661B2 JP 55101604 A JP55101604 A JP 55101604A JP 10160480 A JP10160480 A JP 10160480A JP H0338661 B2 JPH0338661 B2 JP H0338661B2
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- magnetic thin
- magneto
- substrate
- transparent
- 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
- 239000010409 thin film Substances 0.000 claims description 13
- 230000005291 magnetic effect Effects 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 3
- 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
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 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
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005293 ferrimagnetic effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10160480A JPS5727494A (en) | 1980-07-23 | 1980-07-23 | Magneto-optical storage element |
US06/275,388 US4414650A (en) | 1980-06-23 | 1981-06-19 | Magneto-optic memory element |
FR8112234A FR2485241B1 (fr) | 1980-06-23 | 1981-06-22 | Element de memorisation magneto-optique |
GB8119345A GB2081537B (en) | 1980-06-23 | 1981-06-23 | Magneto-optic memory element |
DE3124573A DE3124573C2 (de) | 1980-06-23 | 1981-06-23 | Magneto-optisches Speichermedium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10160480A JPS5727494A (en) | 1980-07-23 | 1980-07-23 | Magneto-optical storage element |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7450092A Division JP2665295B2 (ja) | 1992-03-30 | 1992-03-30 | 磁気光学記憶素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5727494A JPS5727494A (en) | 1982-02-13 |
JPH0338661B2 true JPH0338661B2 (de) | 1991-06-11 |
Family
ID=14304985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10160480A Granted JPS5727494A (en) | 1980-06-23 | 1980-07-23 | Magneto-optical storage element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5727494A (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5954056A (ja) * | 1982-09-21 | 1984-03-28 | Sharp Corp | 磁気光学記憶素子 |
JPS5996544A (ja) * | 1982-11-24 | 1984-06-04 | Sony Corp | 光学式情報記録媒体 |
JPS6010431A (ja) * | 1983-06-29 | 1985-01-19 | Canon Inc | 光学的記録媒体 |
JPH0622068B2 (ja) * | 1984-03-01 | 1994-03-23 | ソニー株式会社 | 光磁気記録媒体の製造方法 |
JPS615451A (ja) * | 1984-06-19 | 1986-01-11 | Matsushita Electric Ind Co Ltd | 情報記録担体 |
JPS6139950A (ja) * | 1984-07-31 | 1986-02-26 | Matsushita Electric Ind Co Ltd | 平板状情報記録担体 |
JPS6154054A (ja) * | 1984-08-23 | 1986-03-18 | Matsushita Electric Ind Co Ltd | 平板状情報記録担体 |
JPS61144744A (ja) * | 1984-12-17 | 1986-07-02 | Kyocera Corp | 光磁気記録素子及びその製法 |
JPS61153133U (de) * | 1985-03-13 | 1986-09-22 | ||
JPS6243850A (ja) * | 1985-08-21 | 1987-02-25 | Tdk Corp | 光磁気記録媒体 |
JPS6246448A (ja) * | 1985-08-23 | 1987-02-28 | Tdk Corp | 光磁気記録媒体 |
JPS63167442A (ja) * | 1986-12-29 | 1988-07-11 | Mitsubishi Kasei Corp | 光デイスク |
JP2855659B2 (ja) * | 1989-06-05 | 1999-02-10 | ソニー株式会社 | 光磁気記録媒体 |
JPH0652589B2 (ja) * | 1990-11-27 | 1994-07-06 | 株式会社東芝 | 光学的情報記憶担体の製造方法 |
JPH0746445B2 (ja) * | 1993-10-12 | 1995-05-17 | ダイセル化学工業株式会社 | 光磁気記録ディスクと、その製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5175523A (de) * | 1974-12-26 | 1976-06-30 | Canon Kk | |
JPS52109193A (en) * | 1976-03-11 | 1977-09-13 | Kokusai Denshin Denwa Co Ltd | Magnetoooptic memory medium |
JPS5489704A (en) * | 1977-12-12 | 1979-07-17 | Philips Nv | Disk recording medium with coating layer |
JPS54130902A (en) * | 1978-03-22 | 1979-10-11 | Philips Nv | Multilayer information disk |
JPS5528227B2 (de) * | 1974-09-24 | 1980-07-26 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6327298Y2 (de) * | 1978-08-09 | 1988-07-25 |
-
1980
- 1980-07-23 JP JP10160480A patent/JPS5727494A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5528227B2 (de) * | 1974-09-24 | 1980-07-26 | ||
JPS5175523A (de) * | 1974-12-26 | 1976-06-30 | Canon Kk | |
JPS52109193A (en) * | 1976-03-11 | 1977-09-13 | Kokusai Denshin Denwa Co Ltd | Magnetoooptic memory medium |
JPS5489704A (en) * | 1977-12-12 | 1979-07-17 | Philips Nv | Disk recording medium with coating layer |
JPS54130902A (en) * | 1978-03-22 | 1979-10-11 | Philips Nv | Multilayer information disk |
Also Published As
Publication number | Publication date |
---|---|
JPS5727494A (en) | 1982-02-13 |
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