TW311221B - - Google Patents
Download PDFInfo
- Publication number
- TW311221B TW311221B TW085104220A TW85104220A TW311221B TW 311221 B TW311221 B TW 311221B TW 085104220 A TW085104220 A TW 085104220A TW 85104220 A TW85104220 A TW 85104220A TW 311221 B TW311221 B TW 311221B
- Authority
- TW
- Taiwan
- Prior art keywords
- laser device
- optical
- holographic laser
- disk
- mirror
- Prior art date
Links
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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1362—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09069995A JP3163939B2 (ja) | 1995-04-17 | 1995-04-17 | 光ピックアップ |
Publications (1)
Publication Number | Publication Date |
---|---|
TW311221B true TW311221B (enrdf_load_html_response) | 1997-07-21 |
Family
ID=14005782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW085104220A TW311221B (enrdf_load_html_response) | 1995-04-17 | 1996-04-10 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3163939B2 (enrdf_load_html_response) |
KR (1) | KR100297527B1 (enrdf_load_html_response) |
CN (1) | CN1087859C (enrdf_load_html_response) |
SG (1) | SG71677A1 (enrdf_load_html_response) |
TW (1) | TW311221B (enrdf_load_html_response) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0421930A (ja) * | 1990-05-16 | 1992-01-24 | Ricoh Co Ltd | 光ピックアップ装置 |
JPH076442A (ja) * | 1993-04-23 | 1995-01-10 | Sony Corp | 光磁気検出用光学ヘッド |
-
1995
- 1995-04-17 JP JP09069995A patent/JP3163939B2/ja not_active Expired - Fee Related
-
1996
- 1996-04-10 TW TW085104220A patent/TW311221B/zh active
- 1996-04-15 SG SG1996009140A patent/SG71677A1/en unknown
- 1996-04-16 KR KR1019960011377A patent/KR100297527B1/ko not_active Expired - Fee Related
- 1996-04-17 CN CN96106129A patent/CN1087859C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR960038783A (ko) | 1996-11-21 |
JPH08287509A (ja) | 1996-11-01 |
CN1140300A (zh) | 1997-01-15 |
JP3163939B2 (ja) | 2001-05-08 |
CN1087859C (zh) | 2002-07-17 |
KR100297527B1 (ko) | 2001-10-24 |
SG71677A1 (en) | 2000-04-18 |
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