JPH0419618B2 - - Google Patents
Info
- Publication number
- JPH0419618B2 JPH0419618B2 JP13943484A JP13943484A JPH0419618B2 JP H0419618 B2 JPH0419618 B2 JP H0419618B2 JP 13943484 A JP13943484 A JP 13943484A JP 13943484 A JP13943484 A JP 13943484A JP H0419618 B2 JPH0419618 B2 JP H0419618B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- transparent dielectric
- dielectric film
- magneto
- alloy thin
- 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
- 239000010408 film Substances 0.000 claims description 106
- 239000010409 thin film Substances 0.000 claims description 26
- 229910045601 alloy Inorganic materials 0.000 claims description 24
- 239000000956 alloy Substances 0.000 claims description 24
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 22
- -1 rare earth transition metal Chemical class 0.000 claims description 22
- 229910052723 transition metal Inorganic materials 0.000 claims description 22
- 150000004767 nitrides Chemical class 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical group Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 239000007789 gas Substances 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000005374 Kerr effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H01F10/14—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel
-
- 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
-
- 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
- H01F10/126—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing rare earth metals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13943484A JPS6117236A (ja) | 1984-07-03 | 1984-07-03 | 磁気光学記憶素子 |
| CA000462506A CA1224270A (en) | 1983-09-16 | 1984-09-05 | Magneto-optic memory element |
| US06/648,741 US4610912A (en) | 1983-09-16 | 1984-09-10 | Magneto-optic memory element |
| DE8484306341T DE3481878D1 (de) | 1983-09-16 | 1984-09-17 | Magnetooptisches speicherelement. |
| EP84306341A EP0139474B1 (de) | 1983-09-16 | 1984-09-17 | Magnetooptisches Speicherelement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13943484A JPS6117236A (ja) | 1984-07-03 | 1984-07-03 | 磁気光学記憶素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6117236A JPS6117236A (ja) | 1986-01-25 |
| JPH0419618B2 true JPH0419618B2 (de) | 1992-03-31 |
Family
ID=15245102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13943484A Granted JPS6117236A (ja) | 1983-09-16 | 1984-07-03 | 磁気光学記憶素子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117236A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62285256A (ja) * | 1986-06-04 | 1987-12-11 | Konica Corp | 光磁気記録媒体 |
| JP2547768B2 (ja) * | 1987-05-19 | 1996-10-23 | キヤノン株式会社 | 光学的磁気記録媒体 |
| JP2680586B2 (ja) * | 1987-11-26 | 1997-11-19 | シャープ株式会社 | 光磁気記憶媒体 |
-
1984
- 1984-07-03 JP JP13943484A patent/JPS6117236A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6117236A (ja) | 1986-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4610912A (en) | Magneto-optic memory element | |
| EP0368194B1 (de) | Magneto-optisches Speichermedium | |
| JPS61194664A (ja) | 磁気光学記憶素子 | |
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| JPH0296952A (ja) | 光学記憶素子 | |
| JPS586541A (ja) | 磁気光学記憶素子 | |
| US5040166A (en) | Magneto-optical recording medium having a reflective film of Ag and Mn or Ag, Mn and Sn | |
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| JPH0462140B2 (de) | ||
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |