NL8601069A - Magneto-optisch registratiemedium. - Google Patents
Magneto-optisch registratiemedium. Download PDFInfo
- Publication number
- NL8601069A NL8601069A NL8601069A NL8601069A NL8601069A NL 8601069 A NL8601069 A NL 8601069A NL 8601069 A NL8601069 A NL 8601069A NL 8601069 A NL8601069 A NL 8601069A NL 8601069 A NL8601069 A NL 8601069A
- Authority
- NL
- Netherlands
- Prior art keywords
- magneto
- recording medium
- magnetic
- optical recording
- film
- Prior art date
Links
- 230000003647 oxidation Effects 0.000 claims description 17
- 238000007254 oxidation reaction Methods 0.000 claims description 17
- 239000010970 precious metal Substances 0.000 claims description 13
- 230000005415 magnetization Effects 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- 229910052762 osmium Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 description 33
- 239000010409 thin film Substances 0.000 description 32
- 239000010408 film Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000005381 magnetic domain Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 229910052688 Gadolinium Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229910016629 MnBi Inorganic materials 0.000 description 3
- 229910052771 Terbium Inorganic materials 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000005300 metallic glass Substances 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 230000005374 Kerr effect Effects 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000007738 vacuum evaporation 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
- H01F10/13—Amorphous metallic alloys, e.g. glassy metals
- H01F10/133—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9668785 | 1985-05-09 | ||
| JP9668785A JPS61255546A (ja) | 1985-05-09 | 1985-05-09 | 光磁気記録媒体 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8601069A true NL8601069A (nl) | 1986-12-01 |
Family
ID=14171702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8601069A NL8601069A (nl) | 1985-05-09 | 1986-04-25 | Magneto-optisch registratiemedium. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS61255546A (enrdf_load_stackoverflow) |
| GB (1) | GB2175160A (enrdf_load_stackoverflow) |
| NL (1) | NL8601069A (enrdf_load_stackoverflow) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61265756A (ja) * | 1985-05-20 | 1986-11-25 | Pioneer Electronic Corp | 光磁気記録媒体 |
| US5265073A (en) * | 1987-03-13 | 1993-11-23 | Canon Kabushiki Kaisha | Overwritable magneto-optical recording medium having two-layer magnetic films wherein one of the films contains one or more of Cu, Ag, Ti, Mn, B, Pt, Si, Ge, Cr and Al, and a method of recording on the same |
| EP0310680A4 (en) * | 1987-04-17 | 1990-10-03 | Mitsui Petrochemical Industries, Ltd. | Photomagnetic recording membrane |
| CA1303739C (en) * | 1987-06-02 | 1992-06-16 | Fred W. Spong | Magneto-optic records |
| WO1989001687A1 (en) * | 1987-08-08 | 1989-02-23 | Mitsui Petrochemical Industries, Ltd. | Photomagnetic recording medium |
| DE3884345D1 (de) * | 1987-10-30 | 1993-10-28 | Hoechst Ag | Amorphes magnetooptisches Aufzeichnungsmaterial. |
| JP2673807B2 (ja) * | 1987-10-30 | 1997-11-05 | パイオニア株式会社 | 光磁気記録媒体の製造方法 |
| DE3803000A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Flaechenfoermiges, mehrschichtiges magneto-optisches aufzeichnungsmaterial |
| JPH0254448A (ja) * | 1988-08-18 | 1990-02-23 | Nec Corp | 光磁気ディスク媒体 |
| DE3904611A1 (de) * | 1989-02-16 | 1990-08-23 | Hoechst Ag | Magnetooptische schicht und verfahren zu ihrer herstellung |
| DE4137427C1 (enrdf_load_stackoverflow) * | 1991-11-14 | 1993-01-14 | Hoechst Ag, 6230 Frankfurt, De |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117749A (ja) * | 1984-11-13 | 1986-06-05 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
-
1985
- 1985-05-09 JP JP9668785A patent/JPS61255546A/ja active Pending
-
1986
- 1986-04-25 NL NL8601069A patent/NL8601069A/nl not_active Application Discontinuation
- 1986-05-06 GB GB08610978A patent/GB2175160A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61255546A (ja) | 1986-11-13 |
| GB8610978D0 (en) | 1986-06-11 |
| GB2175160A (en) | 1986-11-19 |
| GB2175160B (enrdf_load_stackoverflow) | 1989-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1A | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed |