RO121927B1 - Metodă de determinare a puterii optime de ştergere şi respectiv scriere, şi aparat pentru aplicarea acestei metode - Google Patents
Metodă de determinare a puterii optime de ştergere şi respectiv scriere, şi aparat pentru aplicarea acestei metode Download PDFInfo
- Publication number
- RO121927B1 RO121927B1 ROA200000887A RO200000887A RO121927B1 RO 121927 B1 RO121927 B1 RO 121927B1 RO A200000887 A ROA200000887 A RO A200000887A RO 200000887 A RO200000887 A RO 200000887A RO 121927 B1 RO121927 B1 RO 121927B1
- Authority
- RO
- Romania
- Prior art keywords
- power
- recording medium
- fingerprints
- area
- radiation pulses
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 75
- 230000003287 optical effect Effects 0.000 claims abstract description 80
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 230000005855 radiation Effects 0.000 claims description 75
- 238000005259 measurement Methods 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 22
- 230000001419 dependent effect Effects 0.000 claims description 16
- 238000012217 deletion Methods 0.000 claims description 8
- 230000037430 deletion Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003247 decreasing effect Effects 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
- G11B7/004—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
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- 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
- G11B7/12—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
- G11B7/12—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
- G11B7/1267—Power calibration
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
Landscapes
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
- Road Signs Or Road Markings (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99200041 | 1999-01-08 | ||
| PCT/EP2000/000094 WO2000041172A1 (en) | 1999-01-08 | 2000-01-06 | Methods of determining the optimal erase and write power, and recording apparatus with devices for said methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO121927B1 true RO121927B1 (ro) | 2008-07-30 |
Family
ID=8239793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ROA200000887A RO121927B1 (ro) | 1999-01-08 | 2000-01-06 | Metodă de determinare a puterii optime de ştergere şi respectiv scriere, şi aparat pentru aplicarea acestei metode |
Country Status (26)
| Country | Link |
|---|---|
| US (2) | US6584051B1 (enExample) |
| EP (1) | EP1062662B1 (enExample) |
| JP (1) | JP2002534757A (enExample) |
| KR (1) | KR20010088283A (enExample) |
| CN (2) | CN1694165A (enExample) |
| AT (1) | ATE441178T1 (enExample) |
| AU (1) | AU759552B2 (enExample) |
| BR (1) | BR0004008A (enExample) |
| CA (1) | CA2322589C (enExample) |
| CZ (1) | CZ298167B6 (enExample) |
| DE (1) | DE60042803D1 (enExample) |
| EA (1) | EA200000915A1 (enExample) |
| EE (1) | EE04789B1 (enExample) |
| ES (1) | ES2329333T3 (enExample) |
| HR (1) | HRP20000588A2 (enExample) |
| HU (1) | HU223985B1 (enExample) |
| ID (1) | ID26869A (enExample) |
| IL (1) | IL138253A (enExample) |
| NO (1) | NO20004474L (enExample) |
| PL (1) | PL197446B1 (enExample) |
| RO (1) | RO121927B1 (enExample) |
| TR (1) | TR200002591T1 (enExample) |
| TW (1) | TW509924B (enExample) |
| UA (1) | UA73921C2 (enExample) |
| WO (1) | WO2000041172A1 (enExample) |
| YU (1) | YU49342B (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5540865A (en) * | 1990-01-29 | 1996-07-30 | The Procter & Gamble Company | Hard surface liquid detergent compositions containing hydrocarbylamidoalkylenebetaine |
| SG113432A1 (en) * | 1999-07-15 | 2005-08-29 | Koninkl Philips Electronics Nv | Method and device for recording marks in an information layer of an optical record carrier, and record carrier for use therein |
| US7272094B2 (en) * | 1999-07-15 | 2007-09-18 | Koninklike Philips Electronics N.V. | Methods and devices for recording marks in an information layer of an optical record carrier, and record carriers for use therein |
| CN1410972A (zh) * | 2001-09-25 | 2003-04-16 | 株式会社理光 | 光信息记录媒体，信息消去方法，信息记录方法及装置 |
| US7106673B2 (en) * | 2001-10-10 | 2006-09-12 | Teac Corporation | Optical disk recording apparatus with optimum power control |
| JP2003323718A (ja) * | 2002-04-30 | 2003-11-14 | Toshiba Corp | 光ディスク記録再生装置及びライトパワー調整方法 |
| KR100953637B1 (ko) | 2003-07-07 | 2010-04-20 | 엘지전자 주식회사 | 광디스크 및 광디스크의 디스크정보 기록방법 |
| JP4212496B2 (ja) * | 2004-03-08 | 2009-01-21 | 三洋電機株式会社 | 光ディスク装置 |
| JP2005285254A (ja) * | 2004-03-30 | 2005-10-13 | Mitsubishi Electric Corp | 光ディスクの記録方法及び光ディスク |
| WO2006067737A1 (en) * | 2004-12-23 | 2006-06-29 | Koninklijke Philips Electronics N.V. | A method for selecting an optimum writing parameter of an optical recording apparatus |
| EA010704B1 (ru) * | 2005-01-18 | 2008-10-30 | Конинклейке Филипс Электроникс Н.В. | Способ и устройство для выбора оптимального параметра записи и оптический носитель записи для использования упомянутым способом и устройством |
| JP4618730B2 (ja) * | 2006-07-26 | 2011-01-26 | 株式会社リコー | 情報再生方法及び情報再生装置 |
| JP4500792B2 (ja) * | 2006-09-14 | 2010-07-14 | 株式会社日立製作所 | 再生パワー学習方法 |
| CN108242252B (zh) * | 2016-12-27 | 2023-10-10 | 兆易创新科技集团股份有限公司 | 一种nand闪存芯片的测试样本 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3124720B2 (ja) | 1995-04-14 | 2001-01-15 | 株式会社リコー | 情報記録再生方法、情報記録再生装置及び情報記録媒体 |
| ATE130695T1 (de) * | 1989-05-08 | 1995-12-15 | Philips Electronics Nv | Informationsaufzeichnungssystem, aufzeichnungsverfahren und aufzeichnungsträger zur anwendung in einem derartigen informationsaufzeichnungssystem. |
| EP0700565B1 (en) * | 1994-02-14 | 2000-07-12 | Koninklijke Philips Electronics N.V. | Method and recording device for recording signals on a record carrier |
| US5648952A (en) * | 1994-09-28 | 1997-07-15 | Ricoh Company, Ltd. | Phase-change optical disc recording method and apparatus, and information recording apparatus and recording pre-compensation method |
| CN1514436A (zh) * | 1995-03-28 | 2004-07-21 | ������������ʽ���� | 光记录媒体 |
| CN1136547C (zh) * | 1995-08-22 | 2004-01-28 | 松下电器产业株式会社 | 光盘记录和／或重放装置及设定记录功率及清除功率的方法 |
| US5808972A (en) * | 1995-12-28 | 1998-09-15 | Nikon Corporation | Stabilized overwriteable optical recording method using laser beam intensity settings |
-
2000
- 2000-01-06 ID IDW20001726A patent/ID26869A/id unknown
- 2000-01-06 CN CNA2005100592005A patent/CN1694165A/zh active Pending
- 2000-01-06 BR BR0004008-8A patent/BR0004008A/pt not_active IP Right Cessation
- 2000-01-06 US US09/623,829 patent/US6584051B1/en not_active Expired - Fee Related
- 2000-01-06 KR KR1020007009921A patent/KR20010088283A/ko not_active Ceased
- 2000-01-06 CN CNB008003017A patent/CN100392728C/zh not_active Expired - Fee Related
- 2000-01-06 DE DE60042803T patent/DE60042803D1/de not_active Expired - Lifetime
- 2000-01-06 TR TR2000/02591T patent/TR200002591T1/xx unknown
- 2000-01-06 CZ CZ20003268A patent/CZ298167B6/cs not_active IP Right Cessation
- 2000-01-06 YU YU55700A patent/YU49342B/sh unknown
- 2000-01-06 CA CA002322589A patent/CA2322589C/en not_active Expired - Fee Related
- 2000-01-06 EE EEP200000543A patent/EE04789B1/xx not_active IP Right Cessation
- 2000-01-06 IL IL13825300A patent/IL138253A/en not_active IP Right Cessation
- 2000-01-06 AU AU26628/00A patent/AU759552B2/en not_active Ceased
- 2000-01-06 EP EP00904887A patent/EP1062662B1/en not_active Expired - Lifetime
- 2000-01-06 WO PCT/EP2000/000094 patent/WO2000041172A1/en not_active Ceased
- 2000-01-06 EA EA200000915A patent/EA200000915A1/ru unknown
- 2000-01-06 JP JP2000592826A patent/JP2002534757A/ja active Pending
- 2000-01-06 PL PL342819A patent/PL197446B1/pl not_active IP Right Cessation
- 2000-01-06 ES ES00904887T patent/ES2329333T3/es not_active Expired - Lifetime
- 2000-01-06 HR HR20000588A patent/HRP20000588A2/hr not_active Application Discontinuation
- 2000-01-06 RO ROA200000887A patent/RO121927B1/ro unknown
- 2000-01-06 HU HU0101667A patent/HU223985B1/hu not_active IP Right Cessation
- 2000-01-06 AT AT00904887T patent/ATE441178T1/de not_active IP Right Cessation
- 2000-02-17 TW TW089102702A patent/TW509924B/zh not_active IP Right Cessation
- 2000-06-01 UA UA2000105698A patent/UA73921C2/uk unknown
- 2000-09-07 NO NO20004474A patent/NO20004474L/no not_active Application Discontinuation
-
2003
- 2003-02-13 US US10/365,767 patent/US6717895B2/en not_active Expired - Fee Related
Also Published As
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