JPH0412528B2 - - Google Patents
Info
- Publication number
- JPH0412528B2 JPH0412528B2 JP58128652A JP12865283A JPH0412528B2 JP H0412528 B2 JPH0412528 B2 JP H0412528B2 JP 58128652 A JP58128652 A JP 58128652A JP 12865283 A JP12865283 A JP 12865283A JP H0412528 B2 JPH0412528 B2 JP H0412528B2
- Authority
- JP
- Japan
- Prior art keywords
- beam splitter
- light
- magneto
- phase difference
- retarder
- 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
- 230000010287 polarization Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000010408 film Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000012788 optical film Substances 0.000 description 2
- 230000005374 Kerr effect Effects 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000002834 transmittance 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
- G11B11/10532—Heads
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12865283A JPS6020341A (ja) | 1983-07-14 | 1983-07-14 | 位相補正された反射型磁気光学再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12865283A JPS6020341A (ja) | 1983-07-14 | 1983-07-14 | 位相補正された反射型磁気光学再生装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4347586A Division JPH0752530B2 (ja) | 1992-12-28 | 1992-12-28 | 位相補正された反射型磁気光学再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6020341A JPS6020341A (ja) | 1985-02-01 |
| JPH0412528B2 true JPH0412528B2 (de) | 1992-03-04 |
Family
ID=14990099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12865283A Granted JPS6020341A (ja) | 1983-07-14 | 1983-07-14 | 位相補正された反射型磁気光学再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6020341A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8692563B1 (en) | 2008-02-27 | 2014-04-08 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0622070B2 (ja) * | 1983-12-29 | 1994-03-23 | オリンパス光学工業株式会社 | 光磁気ピツクアツプ装置 |
| JPS60151855A (ja) * | 1984-01-20 | 1985-08-09 | Olympus Optical Co Ltd | 光磁気ピツクアツプ装置 |
| JPS61160852A (ja) * | 1984-12-30 | 1986-07-21 | Olympus Optical Co Ltd | 光磁気ピツクアツプ装置 |
| WO1995029483A1 (fr) * | 1994-04-23 | 1995-11-02 | Sony Corporation | Support d'enregistrement et tete d'enregistrement magneto-optiques |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963041A (ja) * | 1982-08-24 | 1984-04-10 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 磁気光学素子 |
-
1983
- 1983-07-14 JP JP12865283A patent/JPS6020341A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963041A (ja) * | 1982-08-24 | 1984-04-10 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 磁気光学素子 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8692563B1 (en) | 2008-02-27 | 2014-04-08 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6020341A (ja) | 1985-02-01 |
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