JPS60193150A - 光磁気記録体 - Google Patents
光磁気記録体Info
- Publication number
- JPS60193150A JPS60193150A JP4820584A JP4820584A JPS60193150A JP S60193150 A JPS60193150 A JP S60193150A JP 4820584 A JP4820584 A JP 4820584A JP 4820584 A JP4820584 A JP 4820584A JP S60193150 A JPS60193150 A JP S60193150A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- amorphous
- refractive index
- rotation angle
- kerr rotation
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 8
- 229910017817 a-Ge Inorganic materials 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001965 increasing effect Effects 0.000 abstract description 8
- 238000002834 transmittance Methods 0.000 abstract description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 abstract description 5
- 239000013078 crystal Substances 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 14
- 230000007423 decrease Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910006160 GeF4 Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- PPMWWXLUCOODDK-UHFFFAOYSA-N tetrafluorogermane Chemical compound F[Ge](F)(F)F PPMWWXLUCOODDK-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000002747 voluntary effect Effects 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
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4820584A JPS60193150A (ja) | 1984-03-15 | 1984-03-15 | 光磁気記録体 |
| US06/698,480 US4661420A (en) | 1984-02-06 | 1985-02-05 | Optical magnetic recording member |
| DE8585300775T DE3577247D1 (de) | 1984-02-06 | 1985-02-06 | Magneto-optischer aufzeichnungstraeger. |
| EP85300775A EP0152269B1 (en) | 1984-02-06 | 1985-02-06 | Optical magnetic recording member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4820584A JPS60193150A (ja) | 1984-03-15 | 1984-03-15 | 光磁気記録体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60193150A true JPS60193150A (ja) | 1985-10-01 |
| JPH0259530B2 JPH0259530B2 (enrdf_load_stackoverflow) | 1990-12-12 |
Family
ID=12796881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4820584A Granted JPS60193150A (ja) | 1984-02-06 | 1984-03-15 | 光磁気記録体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60193150A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS615460A (ja) * | 1984-06-19 | 1986-01-11 | Nippon Kogaku Kk <Nikon> | ＧｅＮで保護された光熱磁気記録媒体 |
| JPH0278041A (ja) * | 1988-09-14 | 1990-03-19 | Fujitsu Ltd | 光磁気ディスク媒体およびその製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938950A (ja) * | 1982-08-26 | 1984-03-03 | Sharp Corp | 磁気光学記憶素子 |
-
1984
- 1984-03-15 JP JP4820584A patent/JPS60193150A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938950A (ja) * | 1982-08-26 | 1984-03-03 | Sharp Corp | 磁気光学記憶素子 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS615460A (ja) * | 1984-06-19 | 1986-01-11 | Nippon Kogaku Kk <Nikon> | ＧｅＮで保護された光熱磁気記録媒体 |
| JPH0278041A (ja) * | 1988-09-14 | 1990-03-19 | Fujitsu Ltd | 光磁気ディスク媒体およびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0259530B2 (enrdf_load_stackoverflow) | 1990-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |