HK1032472A1 - Optical pickup using an optical phase plate. - Google Patents

Optical pickup using an optical phase plate.

Info

Publication number
HK1032472A1
HK1032472A1 HK01103082A HK01103082A HK1032472A1 HK 1032472 A1 HK1032472 A1 HK 1032472A1 HK 01103082 A HK01103082 A HK 01103082A HK 01103082 A HK01103082 A HK 01103082A HK 1032472 A1 HK1032472 A1 HK 1032472A1
Authority
HK
Hong Kong
Prior art keywords
optical
phase plate
pickup
optical pickup
optical phase
Prior art date
Application number
HK01103082A
Other languages
English (en)
Inventor
Jang Hoon Yoo
Chul Woo Lee
Chong Sam Chung
Pyong Yong Seong
Kun Ho Cho
Hyun Seob Choi
Yong Hoon Lee
Tae Kyung Kim
No Kyong Park
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of HK1032472A1 publication Critical patent/HK1032472A1/xx

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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367—Stepped phase plates
    • 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
    • G11B7/139—Numerical aperture control means
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
HK01103082A 1996-08-29 2001-05-02 Optical pickup using an optical phase plate. HK1032472A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960037946A KR100263154B1 (ko) 1996-08-29 1996-08-29 광학적 위상판을 사용한 광픽업

Publications (1)

Publication Number Publication Date
HK1032472A1 true HK1032472A1 (en) 2001-07-20

Family

ID=19472571

Family Applications (8)

Application Number Title Priority Date Filing Date
HK01103082A HK1032472A1 (en) 1996-08-29 2001-05-02 Optical pickup using an optical phase plate.
HK02105742.8A HK1044218B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的物鏡
HK02105737.5A HK1044214B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105739.3A HK1044215B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105738.4A HK1044193B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的物鏡
HK02105741.9A HK1044217B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105743.7A HK1044219B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105740.0A HK1044216B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的物鏡

Family Applications After (7)

Application Number Title Priority Date Filing Date
HK02105742.8A HK1044218B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的物鏡
HK02105737.5A HK1044214B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105739.3A HK1044215B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105738.4A HK1044193B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的物鏡
HK02105741.9A HK1044217B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105743.7A HK1044219B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的光學頭裝置
HK02105740.0A HK1044216B (zh) 1996-08-29 2002-08-06 可兼容不同厚度光記錄介質的物鏡

Country Status (8)

Country Link
EP (1) EP0828244B1 (xx)
JP (2) JP3595121B2 (xx)
KR (1) KR100263154B1 (xx)
CN (9) CN100403418C (xx)
DE (1) DE69701552T2 (xx)
HK (8) HK1032472A1 (xx)
ID (1) ID18199A (xx)
MY (1) MY119511A (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6088322A (en) 1998-05-07 2000-07-11 Broome; Barry G. Single objective lens for use with CD or DVD optical disks
JP3728124B2 (ja) 1999-01-07 2005-12-21 ペンタックス株式会社 ビーム形状補正光学系および描画装置
US6760295B1 (en) * 1999-01-08 2004-07-06 Pentax Corporation Optical pick-up
ATE362172T1 (de) * 1999-01-22 2007-06-15 Konica Minolta Opto Inc Optische abtastvorrichtung zur informationsaufzeichnung und informationswiedergabe
KR100644588B1 (ko) * 1999-11-12 2006-11-13 삼성전자주식회사 고밀도 기록 재생 가능한 광픽업장치
KR100657247B1 (ko) 1999-11-30 2006-12-19 삼성전자주식회사 고밀도 광집속을 위한 대물렌즈 및 이를 채용한광픽업장치
US6594222B2 (en) 1999-12-28 2003-07-15 Pentax Corporation Objective lens for optical pick-up
KR100426355B1 (ko) * 2000-06-12 2004-04-03 엘지전자 주식회사 광경로차 조절수단이 구비된 광픽업 장치
WO2004027490A1 (en) * 2002-09-19 2004-04-01 Koninklijke Philips Electronics N.V. Electrowetting optical switch
KR100509493B1 (ko) * 2003-02-26 2005-08-22 삼성전자주식회사 호환형 광픽업
JP4508950B2 (ja) * 2005-06-06 2010-07-21 三洋電機株式会社 光ピックアップ装置
DE102019205642A1 (de) * 2019-04-17 2020-10-22 Trumpf Laser- Und Systemtechnik Gmbh Ortsfrequenzfiltereinrichtung zur Verwendung mit einem Laserstrahl, Ortsfrequenzfilteranordnung mit einer solchen Ortsfrequenzfiltereinrichtung und Verfahren zur Ortsfrequenzfilterung eines Laserstrahls

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6325405A (ja) * 1986-02-03 1988-02-02 Naoyuki Aoki 電磁ポンプレスボイラ−
JPS6325404A (ja) * 1986-07-17 1988-02-02 Paloma Ind Ltd パルス燃焼器
JPS63113947A (ja) * 1986-10-31 1988-05-18 Nippon Telegr & Teleph Corp <Ntt> 多波長書込み型光学素子
JP3200171B2 (ja) * 1992-06-10 2001-08-20 パイオニア株式会社 光ディスクプレーヤ
EP0587297B1 (en) * 1992-08-07 1998-07-15 Matsushita Electric Industrial Co., Ltd. Image-information optical system and apparatus
JPH0696466A (ja) * 1992-09-14 1994-04-08 Fuji Xerox Co Ltd 光ピックアップ装置
JP2532818B2 (ja) * 1993-02-01 1996-09-11 松下電器産業株式会社 対物レンズおよび光ヘッド装置
JP2655077B2 (ja) * 1994-05-17 1997-09-17 日本電気株式会社 光ヘッド装置
JP3240846B2 (ja) * 1994-08-12 2001-12-25 松下電器産業株式会社 光ヘッド
DE69627752T2 (de) * 1995-06-05 2003-10-16 Nec Corp Optische Wiedergabekopfvorrichtung für verschiedene Plattentypen
JP3062099B2 (ja) * 1996-02-06 2000-07-10 日本電気株式会社 光ヘッド装置
JPH102437A (ja) * 1996-06-14 1998-01-06 Aichi Koatsu:Kk 流体緊急遮断システムと感震自動空気抜き装置

Also Published As

Publication number Publication date
CN1156830C (zh) 2004-07-07
HK1044216A1 (en) 2002-10-11
HK1044214B (zh) 2005-01-07
JP3595121B2 (ja) 2004-12-02
CN1279471A (zh) 2001-01-10
HK1044219A1 (en) 2002-10-11
JPH1092010A (ja) 1998-04-10
CN1345047A (zh) 2002-04-17
KR100263154B1 (ko) 2000-09-01
MY119511A (en) 2005-06-30
EP0828244A2 (en) 1998-03-11
HK1044215A1 (en) 2002-10-11
HK1044218A1 (en) 2002-10-11
DE69701552D1 (de) 2000-05-04
CN1159610C (zh) 2004-07-28
CN1338734A (zh) 2002-03-06
CN1182522C (zh) 2004-12-29
HK1044216B (zh) 2008-12-19
CN100403418C (zh) 2008-07-16
JPH11353699A (ja) 1999-12-24
CN1345045A (zh) 2002-04-17
CN1344949A (zh) 2002-04-17
CN1345051A (zh) 2002-04-17
HK1044217B (zh) 2005-04-29
HK1044193A1 (en) 2002-10-11
CN1162849C (zh) 2004-08-18
HK1044219B (zh) 2007-02-09
CN1209758C (zh) 2005-07-06
EP0828244A3 (en) 1998-05-06
CN100433150C (zh) 2008-11-12
CN1338733A (zh) 2002-03-06
CN1345046A (zh) 2002-04-17
CN1218304C (zh) 2005-09-07
CN1186300A (zh) 1998-07-01
HK1044217A1 (en) 2002-10-11
JP3995827B2 (ja) 2007-10-24
EP0828244B1 (en) 2000-03-29
HK1044218B (zh) 2005-09-23
CN1286099C (zh) 2006-11-22
DE69701552T2 (de) 2000-09-07
HK1044193B (zh) 2004-12-24
ID18199A (id) 1998-03-12
HK1044215B (zh) 2009-04-09
HK1044214A1 (en) 2002-10-11
KR19980017956A (ko) 1998-06-05

Similar Documents

Publication Publication Date Title
HK1032473A1 (en) Optical pickup.
ZA972982B (en) High modulus film.
AU4407097A (en) Optical means
HK1032472A1 (en) Optical pickup using an optical phase plate.
GB9708507D0 (en) Optical pickup device
GB2310308B (en) Optical pickup device
GB2320793B (en) Optical pickup device
GB2309119B (en) Optical pickup device
GB9708508D0 (en) Optical pickup device
GB2314197B (en) Optical pickup
EP0676750A3 (en) Optical transducer system.
AU2314497A (en) An optical element
ZA974538B (en) Novel pyrrole derivatives.
AU5251098A (en) Imaged light switch plate
SG52983A1 (en) Optical pickup
AU5341998A (en) Optical pickup
EP0613125A3 (en) Optical scanner.
GB2315909B (en) Optical pickup
GB9800136D0 (en) Optical pickup
SG45537A1 (en) Optical pickup device
GB2330233B (en) Optical pickup
HK1046980A1 (en) Optical pickup apparatus.
GB2326016B (en) Optical pickup
GB9708506D0 (en) Optical pickup device
HK1058099A1 (en) Optical pick-up device.

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20160829