JPS6360451B2 - - Google Patents
Info
- Publication number
- JPS6360451B2 JPS6360451B2 JP56086151A JP8615181A JPS6360451B2 JP S6360451 B2 JPS6360451 B2 JP S6360451B2 JP 56086151 A JP56086151 A JP 56086151A JP 8615181 A JP8615181 A JP 8615181A JP S6360451 B2 JPS6360451 B2 JP S6360451B2
- Authority
- JP
- Japan
- Prior art keywords
- writing
- polarization plane
- magneto
- reading
- optical system
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 25
- 230000010287 polarization Effects 0.000 claims description 20
- 230000005415 magnetization Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000000956 alloy Substances 0.000 description 3
- 230000005374 Kerr effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- XVRLBVUHNKCEQQ-UHFFFAOYSA-N [Fe].[Gd].[Tb] Chemical compound [Fe].[Gd].[Tb] XVRLBVUHNKCEQQ-UHFFFAOYSA-N 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- VAUNMJNZQZLHJE-UHFFFAOYSA-N cobalt gadolinium Chemical compound [Co].[Gd] VAUNMJNZQZLHJE-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002250 progressing 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
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56086151A JPS57200959A (en) | 1981-06-04 | 1981-06-04 | Write and read device of optical magnetic recording system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56086151A JPS57200959A (en) | 1981-06-04 | 1981-06-04 | Write and read device of optical magnetic recording system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57200959A JPS57200959A (en) | 1982-12-09 |
| JPS6360451B2 true JPS6360451B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-11-24 |
Family
ID=13878730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56086151A Granted JPS57200959A (en) | 1981-06-04 | 1981-06-04 | Write and read device of optical magnetic recording system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57200959A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0785311B2 (ja) * | 1984-05-15 | 1995-09-13 | セイコーエプソン株式会社 | マルチ光学ヘッド |
| JP3400939B2 (ja) | 1998-02-03 | 2003-04-28 | 富士通株式会社 | 光ディスク用情報読み取り・書き込み装置 |
-
1981
- 1981-06-04 JP JP56086151A patent/JPS57200959A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57200959A (en) | 1982-12-09 |