JPH0445895B2 - - Google Patents
Info
- Publication number
- JPH0445895B2 JPH0445895B2 JP57216688A JP21668882A JPH0445895B2 JP H0445895 B2 JPH0445895 B2 JP H0445895B2 JP 57216688 A JP57216688 A JP 57216688A JP 21668882 A JP21668882 A JP 21668882A JP H0445895 B2 JPH0445895 B2 JP H0445895B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light beam
- surface acoustic
- optical waveguide
- disk
- 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
- 230000003287 optical effect Effects 0.000 claims description 23
- 238000010897 surface acoustic wave method Methods 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 13
- 230000007423 decrease Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08552—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using electro-optical elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
- G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
- G11B7/1245—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides the waveguides including means for electro-optical or acousto-optical deflection
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57216688A JPS59107431A (ja) | 1982-12-10 | 1982-12-10 | 光学的情報記録媒体用ピツクアツプ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57216688A JPS59107431A (ja) | 1982-12-10 | 1982-12-10 | 光学的情報記録媒体用ピツクアツプ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59107431A JPS59107431A (ja) | 1984-06-21 |
| JPH0445895B2 true JPH0445895B2 (de) | 1992-07-28 |
Family
ID=16692358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57216688A Granted JPS59107431A (ja) | 1982-12-10 | 1982-12-10 | 光学的情報記録媒体用ピツクアツプ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59107431A (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6069840A (ja) * | 1983-09-22 | 1985-04-20 | Canon Inc | 情報記録又は再生装置 |
| US4737946A (en) * | 1984-09-03 | 1988-04-12 | Omron Tateisi Electronics Co. | Device for processing optical data with improved optical allignment means |
| JP2629168B2 (ja) * | 1984-10-01 | 1997-07-09 | 三菱電機株式会社 | 光学式ヘツド装置 |
| US4718052A (en) * | 1984-10-01 | 1988-01-05 | Mitsubishi Denki Kabushiki Kaisha | Head assembly for optical disc |
| JPS6192444A (ja) * | 1984-10-11 | 1986-05-10 | Matsushita Electric Ind Co Ltd | 光学式ピツクアツプ |
| JPH0731819B2 (ja) * | 1985-03-22 | 1995-04-10 | 株式会社日立製作所 | 光デイスク装置 |
| US4779259A (en) * | 1985-04-25 | 1988-10-18 | Mitsubishi Denki Kabushiki Kaisha | Optical head assembly with efficient light source coupling surface and method of construction |
| JPS61269234A (ja) * | 1985-05-24 | 1986-11-28 | Omron Tateisi Electronics Co | 光情報処理装置 |
| US5159586A (en) * | 1985-05-24 | 1992-10-27 | Omron Tateisi Electronics Co. | Device for processing optical data |
| JP2629170B2 (ja) * | 1985-06-08 | 1997-07-09 | ブラザー工業株式会社 | レーザプリンタ |
| EP0259832A3 (en) * | 1986-09-09 | 1989-03-15 | Hitachi, Ltd. | Optical head |
| JP2539406B2 (ja) * | 1987-02-04 | 1996-10-02 | 株式会社日立製作所 | 固体光ピツクアツプ |
| JPH01241027A (ja) * | 1988-03-23 | 1989-09-26 | Hitachi Ltd | 光ピックアップ |
-
1982
- 1982-12-10 JP JP57216688A patent/JPS59107431A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59107431A (ja) | 1984-06-21 |
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