DE69618680D1 - Aufnahmemethode und Aufnahmeeinheit für optische Information - Google Patents

Aufnahmemethode und Aufnahmeeinheit für optische Information

Info

Publication number
DE69618680D1
DE69618680D1 DE69618680T DE69618680T DE69618680D1 DE 69618680 D1 DE69618680 D1 DE 69618680D1 DE 69618680 T DE69618680 T DE 69618680T DE 69618680 T DE69618680 T DE 69618680T DE 69618680 D1 DE69618680 D1 DE 69618680D1
Authority
DE
Germany
Prior art keywords
recording
optical information
recording unit
recording method
unit
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
Application number
DE69618680T
Other languages
English (en)
Other versions
DE69618680T2 (de
Inventor
Yoshitaka Sakaue
Kenichi Nishiuchi
Eiji Ohno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69618680D1 publication Critical patent/DE69618680D1/de
Publication of DE69618680T2 publication Critical patent/DE69618680T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/126Circuits, methods or arrangements for laser control or stabilisation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/126Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263Power control during transducing, e.g. by monitoring
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • G11B7/00454Recording involving phase-change effects
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006Overwriting
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055Erasing
    • G11B7/00557Erasing involving phase-change media

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Manufacturing Optical Record Carriers (AREA)
DE69618680T 1995-10-09 1996-10-04 Aufnahmemethode und Aufnahmeeinheit für optische Information Expired - Lifetime DE69618680T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP26124695 1995-10-09
JP26126295 1995-10-09
JP19588096 1996-07-25

Publications (2)

Publication Number Publication Date
DE69618680D1 true DE69618680D1 (de) 2002-02-28
DE69618680T2 DE69618680T2 (de) 2002-08-14

Family

ID=27327159

Family Applications (5)

Application Number Title Priority Date Filing Date
DE69612833T Expired - Lifetime DE69612833T2 (de) 1995-10-09 1996-10-04 Verfahren und vorrichtung zur aufnahme von optischer information
DE69618034T Expired - Lifetime DE69618034T2 (de) 1995-10-09 1996-10-04 Aufnahmegerät für optische Information
DE69614005T Expired - Lifetime DE69614005T2 (de) 1995-10-09 1996-10-04 Aufnahmemethode für optische Information
DE69618681T Expired - Lifetime DE69618681T2 (de) 1995-10-09 1996-10-04 Aufnahmemethode und Aufnahmeeinheit für optische Information
DE69618680T Expired - Lifetime DE69618680T2 (de) 1995-10-09 1996-10-04 Aufnahmemethode und Aufnahmeeinheit für optische Information

Family Applications Before (4)

Application Number Title Priority Date Filing Date
DE69612833T Expired - Lifetime DE69612833T2 (de) 1995-10-09 1996-10-04 Verfahren und vorrichtung zur aufnahme von optischer information
DE69618034T Expired - Lifetime DE69618034T2 (de) 1995-10-09 1996-10-04 Aufnahmegerät für optische Information
DE69614005T Expired - Lifetime DE69614005T2 (de) 1995-10-09 1996-10-04 Aufnahmemethode für optische Information
DE69618681T Expired - Lifetime DE69618681T2 (de) 1995-10-09 1996-10-04 Aufnahmemethode und Aufnahmeeinheit für optische Information

Country Status (11)

Country Link
US (1) US5745467A (de)
EP (5) EP1020850B1 (de)
JP (2) JP4145958B2 (de)
KR (1) KR100456957B1 (de)
CN (3) CN1146869C (de)
DE (5) DE69612833T2 (de)
HK (1) HK1005275A1 (de)
MX (1) MX9704098A (de)
MY (1) MY113691A (de)
TW (1) TW359812B (de)
WO (1) WO1997014143A1 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0830675B1 (de) * 1996-02-16 2003-08-06 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zur aufzeichnung auf einen optischen informationsträger
JPH10105970A (ja) * 1996-09-27 1998-04-24 Toshiba Corp 光学的情報記録方法および装置
ID21808A (id) * 1996-12-20 1999-07-29 Matsushita Electric Ind Co Ltd Metoda rekaman optik dan perekam optik
US6243339B1 (en) * 1997-08-12 2001-06-05 U.S. Philips Corporation Method and device for writing optical record carriers
US7391698B2 (en) * 1998-07-23 2008-06-24 Samsung Electronics Co., Ltd. Adaptive writing method for high-density optical recording apparatus and circuit thereof
US7158461B1 (en) * 1997-12-30 2007-01-02 Samsung Electronics Co., Ltd. Adaptive writing method for high-density optical recording apparatus and circuit thereof
KR100354732B1 (ko) * 1998-04-03 2002-11-18 삼성전자 주식회사 고밀도광기록기기를위한적응적인기록방법및그장치
MY125795A (en) * 1998-07-23 2006-08-30 Samsung Electronics Co Ltd Adaptive writing method for high-density optical recording apparatus and circuit thereof
US6925040B1 (en) 1998-08-04 2005-08-02 Hitachi, Ltd. Information recording method, information recording medium and information recording apparatus
TW468177B (en) * 1998-08-04 2001-12-11 Hitachi Ltd Data storage method, data storage medium and data storage recording device
JP3076033B1 (ja) 1998-09-14 2000-08-14 松下電器産業株式会社 光学情報の記録再生装置および情報記録媒体
WO2000057408A1 (fr) 1999-03-19 2000-09-28 Matsushita Electric Industrial Co., Ltd. Procede d'enregistrement optique d'informations et dispositif a cet effet
TW561463B (en) * 1999-03-30 2003-11-11 Koninkl Philips Electronics Nv Method and device for recording marks in an information layer of an optical record carrier
JP3762847B2 (ja) * 1999-04-13 2006-04-05 株式会社日立製作所 情報の記録方法及び情報の記録装置
EP1662493B1 (de) 1999-05-19 2010-07-14 Mitsubishi Kagaku Media Co., Ltd. Aufzeichnen bei konstanter Winkelgeschwindigkeit
AU4783500A (en) * 1999-05-31 2000-12-18 Matsushita Electric Industrial Co., Ltd. Optical information recording method, optical information recording device and optical information recording medium
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
JP4267852B2 (ja) * 1999-07-15 2009-05-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 光学的記録担体の情報層にマークを記録するための方法及び装置、並びにそこでの使用に対する記録担体
US6654325B1 (en) 1999-08-09 2003-11-25 Hitachi, Ltd. Trial writing method and optical disk system using the same
JP2001067669A (ja) * 1999-08-31 2001-03-16 Sony Corp 記録装置、記録方法
KR100339478B1 (ko) * 1999-09-18 2002-05-31 구자홍 광 기록매체의 최적 기록장치 및 기록방법
TW518580B (en) * 2000-05-11 2003-01-21 Koninkl Philips Electronics Nv Methods and devices for recording marks on a recording surface of an optical record carrier
WO2002011132A1 (fr) * 2000-07-28 2002-02-07 Matsushita Electric Industrial Co., Ltd. Dispositif a disque optique et procede de determination de puissance d'enregistrement
US7193948B2 (en) 2000-10-05 2007-03-20 Matsushita Electric Industrial Co., Ltd. Optical recording medium, method for recording on optical record medium, and apparatus for recording on optical record medium
JP3793437B2 (ja) * 2000-10-10 2006-07-05 Tdk株式会社 光記録方法および光記録媒体
US20020051415A1 (en) * 2000-10-26 2002-05-02 Matsushita Electric Industrial Co., Ltd. Recording waveform generator and disk recording device
JP3969958B2 (ja) * 2001-02-14 2007-09-05 株式会社リコー 光情報記録方法
JP4405115B2 (ja) * 2001-09-03 2010-01-27 パイオニア株式会社 情報記録装置および情報記録方法
TWI261236B (en) * 2001-09-29 2006-09-01 Samsung Electronics Co Ltd Method for forming first state and second state on optical recording medium
CN1248201C (zh) * 2001-10-02 2006-03-29 松下电器产业株式会社 光学信息记录方法以及再生装置
JP2003208713A (ja) * 2002-01-16 2003-07-25 Tdk Corp 光記録媒体への情報記録方法、光記録媒体及び情報記録/再生装置
WO2003079336A1 (fr) * 2002-03-15 2003-09-25 Ricoh Company, Ltd. Dispositif d'enregistrement et procede d'enregistrement
EP2278349A3 (de) * 2002-04-03 2011-10-12 Panasonic Corporation Optische Informationseinrichtung, optisches Speichermedium, Untersuchungseinrichtung für ein optisches Speichermedium und Untersuchungsverfahren für die optische Speicherung
JP2004005872A (ja) * 2002-04-09 2004-01-08 Matsushita Electric Ind Co Ltd 光ディスク原盤作製方法および光ディスクとその製造方法
EP1357551A3 (de) * 2002-04-26 2004-12-22 TDK Corporation Optisches Speichermedium und Verfahren zum optischen Aufnehmen von Daten in demselben
KR100677104B1 (ko) * 2002-05-20 2007-02-01 삼성전자주식회사 소거 패턴의 파워 정보가 저장된 광 기록 매체
US8018817B2 (en) * 2002-05-20 2011-09-13 Samsung Electronics Co., Ltd. Method of recording erase pattern information on an optical recording medium, erasing information on the optical recording medium based on the erase pattern information, and optical recording medium therefor
US7369470B2 (en) * 2002-05-20 2008-05-06 Samsung Electronics Co., Ltd. Method of recording erase pattern information on an optical recording medium, erasing information on the optical recording medium based on the erase pattern information, and optical recording medium therefor
WO2004013846A1 (en) * 2002-07-26 2004-02-12 Koninklijke Philips Electronics N.V. Method and device for optical recording and optical record carrier
JP4282285B2 (ja) * 2002-08-12 2009-06-17 Tdk株式会社 光記録媒体及び光記録方法
US7474603B2 (en) * 2002-09-04 2009-01-06 Ricoh Company, Ltd. Optical information recording method, apparatus, and medium, laser control circuit, wobble signal detection method, and servo signal detection method
JP2004103100A (ja) * 2002-09-09 2004-04-02 Tdk Corp 光記録媒体への情報記録方法、情報記録装置及び光記録媒体
JP2004171642A (ja) * 2002-11-19 2004-06-17 Tdk Corp 光記録媒体、光記録方法及び光記録装置
US7529168B2 (en) 2002-11-21 2009-05-05 Panasonic Corporation Recording/reproduction method and recording/reproduction apparatus
US20050213467A1 (en) * 2002-12-17 2005-09-29 Yoshihiro Noda Optical recording medium, and recording/reading method and recording/reading apparatus for optical recording medium
KR20040067778A (ko) * 2003-01-23 2004-07-30 삼성전자주식회사 광 기록 매체, 이에 데이터를 기록하는 방법 및 그 장치
AU2003288773A1 (en) * 2003-01-23 2004-08-13 Samsung Electronics Co., Ltd. Optical recording medium, method and apparatus for recording data thereon
CN101339783B (zh) * 2003-02-19 2011-01-12 日本胜利株式会社 光记录方法、光记录媒体、光记录媒体记录装置、光记录装置、光盘、光盘记录再现装置
KR100532955B1 (ko) * 2003-06-16 2005-12-01 주식회사 하이닉스반도체 반도체 장치의 딜레이 공유 회로
JP2005038559A (ja) * 2003-07-18 2005-02-10 Sony Corp 情報記録装置及び方法
WO2005041175A1 (ja) * 2003-10-27 2005-05-06 Pioneer Corporation 情報記録装置及び情報記録方法
CN101599277B (zh) * 2004-01-09 2011-05-04 松下电器产业株式会社 光记录方法、光盘介质及再现方法
CN100356455C (zh) * 2004-09-08 2007-12-19 上海乐金广电电子有限公司 相变型光盘信息记录的方法
JP2008517414A (ja) * 2004-10-19 2008-05-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 光記録用のマスタ基板にデータを書き込む方法
KR20070097516A (ko) * 2004-12-22 2007-10-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 라벨들을 기록하기 위한 펄스화된 레이저 모드
ATE497625T1 (de) * 2006-03-13 2011-02-15 Koninkl Philips Electronics Nv Echtzeit-leistungssteuerung für optische aufzeichnungslaufwerke
JP2007317343A (ja) 2006-04-28 2007-12-06 Sharp Corp 記録パラメータ設定装置、そのプログラムおよび該プログラムを記録したコンピュータ読取り可能な記録媒体、情報記録媒体、ならびに記録パラメータ設定方法
CN101427308B (zh) * 2006-04-28 2011-02-16 夏普株式会社 记录参数设定装置、记录参数设定程序、记录有该程序的计算机可读取的记录介质、信息记录介质、记录重放装置和记录参数设定方法
JP2007334921A (ja) 2006-06-12 2007-12-27 Hitachi Ltd 記録方法、レーザ駆動装置及びそれらを用いた光ディスク装置
TW200834558A (en) * 2006-12-15 2008-08-16 Taiyo Yuden Kk Optical information recording device, optical information recording method, and optical information recording medium
WO2008109061A2 (en) * 2007-03-01 2008-09-12 Lightfleet Corporation Time domain symbols
KR102544036B1 (ko) 2021-09-01 2023-06-21 대한전열공업(주) 브레이징 접합을 통한 중계기용 냉각장치의 제조방법
KR102448582B1 (ko) 2021-10-14 2022-09-29 대한전열공업(주) 중계기용 유로형성 링의 조립장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63113938A (ja) * 1986-10-31 1988-05-18 Matsushita Electric Ind Co Ltd 情報の光学的記録方法
US5257256A (en) * 1987-04-24 1993-10-26 Hitachi, Ltd. Recording waveform for mark-length modulation optical recording
JP2574379B2 (ja) * 1988-03-31 1997-01-22 松下電器産業株式会社 光学的情報記録消去方法
JP2707774B2 (ja) * 1989-12-13 1998-02-04 松下電器産業株式会社 光学情報の記録方法および記録装置
JP2972899B2 (ja) * 1991-01-24 1999-11-08 株式会社リコー 光磁気記録方法
JPH05120685A (ja) * 1991-10-25 1993-05-18 Olympus Optical Co Ltd 光学式情報記録方法及びその装置
EP0594425A3 (en) * 1992-10-21 1996-10-09 Nippon Kogaku Kk Pulse train condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus
JPH06301978A (ja) * 1992-10-28 1994-10-28 Nikon Corp 光記録のプリパルス条件及び熱遮断条件決定方法、 同決定装置、光記録方法及び光記録装置
JPH06162507A (ja) * 1992-11-24 1994-06-10 Toshiba Corp 情報記録方法および情報記録装置
US5490126A (en) * 1993-04-07 1996-02-06 Matsushita Electric Industrial Co., Ltd. Apparatus for recording and reproducing data on a disk
JP2679596B2 (ja) * 1993-11-09 1997-11-19 松下電器産業株式会社 ディスク記録方法およびディスク記録装置
JP2684952B2 (ja) * 1993-04-07 1997-12-03 松下電器産業株式会社 ディスク記録方法およびディスク記録装置
JP3231533B2 (ja) * 1994-01-31 2001-11-26 株式会社日立製作所 光学的情報記録方法
JPH0969246A (ja) * 1995-08-30 1997-03-11 Canon Inc 光学的情報記録再生装置

Also Published As

Publication number Publication date
DE69612833D1 (de) 2001-06-21
CN1250210A (zh) 2000-04-12
DE69618681D1 (de) 2002-02-28
DE69612833T2 (de) 2001-08-30
MX9704098A (es) 1997-09-30
DE69618681T2 (de) 2002-08-14
EP1018727B1 (de) 2002-01-09
TW359812B (en) 1999-06-01
DE69618680T2 (de) 2002-08-14
MY113691A (en) 2002-04-30
JP2000155946A (ja) 2000-06-06
EP0991058A1 (de) 2000-04-05
DE69614005T2 (de) 2001-10-31
DE69614005D1 (de) 2001-08-23
US5745467A (en) 1998-04-28
EP1020850A2 (de) 2000-07-19
EP0991058B1 (de) 2001-07-18
CN1250211A (zh) 2000-04-12
CN1146869C (zh) 2004-04-21
EP0797193A4 (de) 1999-06-23
WO1997014143A1 (fr) 1997-04-17
CN1137473C (zh) 2004-02-04
CN1128442C (zh) 2003-11-19
DE69618034T2 (de) 2002-05-16
EP0991059B1 (de) 2001-12-12
EP0797193A1 (de) 1997-09-24
KR980700643A (ko) 1998-03-30
HK1005275A1 (en) 1998-12-31
EP1020850A3 (de) 2000-08-16
CN1173941A (zh) 1998-02-18
EP0991059A1 (de) 2000-04-05
EP1018727A2 (de) 2000-07-12
KR100456957B1 (ko) 2005-01-17
EP1020850B1 (de) 2002-01-09
EP0797193B1 (de) 2001-05-16
EP1018727A3 (de) 2000-08-16
DE69618034D1 (de) 2002-01-24
JP4145958B2 (ja) 2008-09-03

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