ATE398327T1 - Phasenwechselaufzeichnungsmedium welches bei geringer geschwindigkeit löschbar und bei hoher geschwindigkeit beschreibbar ist und gerät zur verwendung eines solchen mediums - Google Patents
Phasenwechselaufzeichnungsmedium welches bei geringer geschwindigkeit löschbar und bei hoher geschwindigkeit beschreibbar ist und gerät zur verwendung eines solchen mediumsInfo
- Publication number
- ATE398327T1 ATE398327T1 AT04737118T AT04737118T ATE398327T1 AT E398327 T1 ATE398327 T1 AT E398327T1 AT 04737118 T AT04737118 T AT 04737118T AT 04737118 T AT04737118 T AT 04737118T AT E398327 T1 ATE398327 T1 AT E398327T1
- Authority
- AT
- Austria
- Prior art keywords
- medium
- speed
- phase change
- high speed
- low speed
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/006—Overwriting
-
- 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
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00454—Recording involving phase-change effects
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0055—Erasing
- G11B7/00557—Erasing involving phase-change media
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
-
- 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
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24082—Meandering
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/268—Post-production operations, e.g. initialising phase-change recording layers, checking for defects
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Lubricants (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03300039 | 2003-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE398327T1 true ATE398327T1 (de) | 2008-07-15 |
Family
ID=33522483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04737118T ATE398327T1 (de) | 2003-06-26 | 2004-06-22 | Phasenwechselaufzeichnungsmedium welches bei geringer geschwindigkeit löschbar und bei hoher geschwindigkeit beschreibbar ist und gerät zur verwendung eines solchen mediums |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20060181986A1 (de) |
| EP (1) | EP1642269B1 (de) |
| JP (1) | JP2007516539A (de) |
| KR (1) | KR20060032148A (de) |
| CN (1) | CN1813290A (de) |
| AT (1) | ATE398327T1 (de) |
| DE (1) | DE602004014378D1 (de) |
| WO (1) | WO2004114288A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1814112A1 (de) * | 2005-12-23 | 2007-08-01 | Thomson Licensing S.A. | Aufzeichnungsverfahren für ein optisches Aufzeichnungsmedium |
| US7894153B2 (en) * | 2008-02-08 | 2011-02-22 | Lenovo (Singapore) Pte. Ltd. | Secure data disposal for disk drive |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718053A (en) * | 1984-11-09 | 1988-01-05 | Hitachi, Ltd. | Optical information apparatus and method of recording and erasing information |
| NL8801910A (nl) * | 1987-11-24 | 1989-06-16 | Pioneer Electronic Corp | Werkwijze voor het registreren en weergeven van informatie met betrekking tot een optische schijf van de soort met variabele-fase. |
| US5063097A (en) * | 1988-12-16 | 1991-11-05 | Toray Industries, Inc. | Optical recording medium |
| JP3323782B2 (ja) * | 1997-09-09 | 2002-09-09 | 株式会社日立製作所 | 情報の記録方法 |
| AU5647299A (en) * | 1998-09-09 | 2000-03-27 | Mitsubishi Chemical Corporation | Optical information recording medium and optical recording method |
| US6377526B1 (en) * | 1999-04-01 | 2002-04-23 | Plasmon Ide, Inc. | Erasable WORM optical disk and method of writing thereto multiple times |
| EP1117094B1 (de) * | 2000-01-17 | 2012-11-21 | Mitsubishi Kagaku Media Co., Ltd. | Aufzeichnungsverfahren für ein Phasenänderungsaufzeichnungsmedium |
| US20020126602A1 (en) * | 2001-01-11 | 2002-09-12 | Koninklijke Philips Electronics N.V. | Recording on a multilayer record carrier using feed forward power control |
| JP2002245635A (ja) * | 2001-02-21 | 2002-08-30 | Matsushita Electric Ind Co Ltd | 光ディスクデータ消去装置及び光ディスクデータ消去方法 |
| KR100411336B1 (ko) * | 2001-03-29 | 2003-12-18 | 에스케이씨 주식회사 | 되쓰기형 광기록매체용 상변화형 광기록재료 |
-
2004
- 2004-06-22 JP JP2006516579A patent/JP2007516539A/ja active Pending
- 2004-06-22 AT AT04737118T patent/ATE398327T1/de not_active IP Right Cessation
- 2004-06-22 CN CNA2004800177006A patent/CN1813290A/zh active Pending
- 2004-06-22 WO PCT/IB2004/002111 patent/WO2004114288A1/en active IP Right Grant
- 2004-06-22 US US10/562,170 patent/US20060181986A1/en not_active Abandoned
- 2004-06-22 EP EP04737118A patent/EP1642269B1/de not_active Expired - Lifetime
- 2004-06-22 KR KR1020057024722A patent/KR20060032148A/ko not_active Application Discontinuation
- 2004-06-22 DE DE602004014378T patent/DE602004014378D1/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060032148A (ko) | 2006-04-14 |
| CN1813290A (zh) | 2006-08-02 |
| EP1642269A1 (de) | 2006-04-05 |
| US20060181986A1 (en) | 2006-08-17 |
| EP1642269B1 (de) | 2008-06-11 |
| WO2004114288A1 (en) | 2004-12-29 |
| JP2007516539A (ja) | 2007-06-21 |
| DE602004014378D1 (de) | 2008-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |