JPH0524571B2 - - Google Patents
Info
- Publication number
- JPH0524571B2 JPH0524571B2 JP59104207A JP10420784A JPH0524571B2 JP H0524571 B2 JPH0524571 B2 JP H0524571B2 JP 59104207 A JP59104207 A JP 59104207A JP 10420784 A JP10420784 A JP 10420784A JP H0524571 B2 JPH0524571 B2 JP H0524571B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- magneto
- alloy thin
- amorphous alloy
- reflective film
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 238000004544 sputter deposition Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000010408 film Substances 0.000 description 59
- 239000010409 thin film Substances 0.000 description 25
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 22
- 239000000758 substrate Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000005374 Kerr effect Effects 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- -1 rare earth transition metal Chemical class 0.000 description 5
- 229910052723 transition metal Inorganic materials 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910001151 AlNi Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 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
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002023 wood Substances 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
- 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
- G11B11/10589—Details
- G11B11/10593—Details for improving read-out properties, e.g. polarisation of light
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10420784A JPS60247844A (ja) | 1984-05-22 | 1984-05-22 | 磁気光学記憶素子の製造方法 |
| US06/721,707 US4719137A (en) | 1984-04-13 | 1985-04-10 | Magneto-optic memory element |
| CA000478873A CA1234916A (en) | 1984-04-13 | 1985-04-11 | Magneto-optic memory element |
| DE8585302580T DE3581230D1 (de) | 1984-04-13 | 1985-04-12 | Magneto-optisches speicherelement. |
| DE88201371T DE3587538T2 (de) | 1984-04-13 | 1985-04-12 | Magneto-optisches Speicherelement. |
| EP85302580A EP0161807B1 (de) | 1984-04-13 | 1985-04-12 | Magneto-optisches Speicherelement |
| EP19880201371 EP0297689B1 (de) | 1984-04-13 | 1985-04-12 | Magneto-optisches Speicherelement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10420784A JPS60247844A (ja) | 1984-05-22 | 1984-05-22 | 磁気光学記憶素子の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60247844A JPS60247844A (ja) | 1985-12-07 |
| JPH0524571B2 true JPH0524571B2 (de) | 1993-04-08 |
Family
ID=14374523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10420784A Granted JPS60247844A (ja) | 1984-04-13 | 1984-05-22 | 磁気光学記憶素子の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60247844A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0697514B2 (ja) * | 1985-02-21 | 1994-11-30 | シャープ株式会社 | 磁気光学記憶素子 |
| JP2660569B2 (ja) * | 1989-02-10 | 1997-10-08 | 三菱電機株式会社 | 光磁気記録媒体 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5860441A (ja) * | 1981-10-06 | 1983-04-09 | Canon Inc | 光熱磁気記録媒体 |
-
1984
- 1984-05-22 JP JP10420784A patent/JPS60247844A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5860441A (ja) * | 1981-10-06 | 1983-04-09 | Canon Inc | 光熱磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60247844A (ja) | 1985-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |