JPS60129950A - 光磁気記録媒体 - Google Patents
光磁気記録媒体Info
- Publication number
- JPS60129950A JPS60129950A JP23694583A JP23694583A JPS60129950A JP S60129950 A JPS60129950 A JP S60129950A JP 23694583 A JP23694583 A JP 23694583A JP 23694583 A JP23694583 A JP 23694583A JP S60129950 A JPS60129950 A JP S60129950A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic permeability
- magnetic
- recording medium
- martensite
- recording layer
- 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 abstract description 17
- 230000035699 permeability Effects 0.000 claims abstract description 11
- 230000009466 transformation Effects 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 11
- 238000005338 heat storage Methods 0.000 claims description 5
- 230000005415 magnetization Effects 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 2
- 229910000734 martensite Inorganic materials 0.000 abstract description 6
- 230000004907 flux Effects 0.000 abstract description 3
- 229910001566 austenite Inorganic materials 0.000 abstract 2
- 239000012141 concentrate Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000005307 ferromagnetism Effects 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 230000005374 Kerr effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005308 ferrimagnetism Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23694583A JPS60129950A (ja) | 1983-12-15 | 1983-12-15 | 光磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23694583A JPS60129950A (ja) | 1983-12-15 | 1983-12-15 | 光磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60129950A true JPS60129950A (ja) | 1985-07-11 |
| JPH022222B2 JPH022222B2 (enrdf_load_stackoverflow) | 1990-01-17 |
Family
ID=17008076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23694583A Granted JPS60129950A (ja) | 1983-12-15 | 1983-12-15 | 光磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60129950A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6283620A (ja) * | 1985-10-09 | 1987-04-17 | Sumitomo Metal Ind Ltd | 磁気目盛 |
| JPH0538361U (ja) * | 1991-10-24 | 1993-05-25 | 川崎重工業株式会社 | リコイルスタータ |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618024U (ja) * | 1992-08-18 | 1994-03-08 | 東海興業株式会社 | 車両用ウインドモールディング |
-
1983
- 1983-12-15 JP JP23694583A patent/JPS60129950A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6283620A (ja) * | 1985-10-09 | 1987-04-17 | Sumitomo Metal Ind Ltd | 磁気目盛 |
| JPH0538361U (ja) * | 1991-10-24 | 1993-05-25 | 川崎重工業株式会社 | リコイルスタータ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH022222B2 (enrdf_load_stackoverflow) | 1990-01-17 |
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