CA2358913A1 - Tete optique a profil bas - Google Patents

Tete optique a profil bas Download PDF

Info

Publication number
CA2358913A1
CA2358913A1 CA002358913A CA2358913A CA2358913A1 CA 2358913 A1 CA2358913 A1 CA 2358913A1 CA 002358913 A CA002358913 A CA 002358913A CA 2358913 A CA2358913 A CA 2358913A CA 2358913 A1 CA2358913 A1 CA 2358913A1
Authority
CA
Canada
Prior art keywords
optical
light
path
optics
medium
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.)
Abandoned
Application number
CA002358913A
Other languages
English (en)
Inventor
Ian Redmond
Bernard Bell
David L. Blankenbeckler
Michael F. Braitberg
Robert D. Freeman
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.)
DPHI Acquisitions Inc
Original Assignee
Individual
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
Priority claimed from US09/457,104 external-priority patent/US7227817B1/en
Application filed by Individual filed Critical Individual
Publication of CA2358913A1 publication Critical patent/CA2358913A1/fr
Abandoned legal-status Critical Current

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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
CA002358913A 1999-12-07 2000-12-05 Tete optique a profil bas Abandoned CA2358913A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/457,104 1999-12-07
US09/457,104 US7227817B1 (en) 1999-12-07 1999-12-07 Low profile optical head
US09/540,657 2000-03-31
US09/540,657 US6914868B1 (en) 1999-12-07 2000-03-31 Low profile optical head
PCT/US2000/033014 WO2001043126A2 (fr) 1999-12-07 2000-12-05 Tete optique a profil bas

Publications (1)

Publication Number Publication Date
CA2358913A1 true CA2358913A1 (fr) 2001-06-14

Family

ID=27038486

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002358913A Abandoned CA2358913A1 (fr) 1999-12-07 2000-12-05 Tete optique a profil bas

Country Status (8)

Country Link
EP (1) EP1254453A2 (fr)
JP (1) JP2003523036A (fr)
CN (1) CN100392736C (fr)
AU (1) AU1947501A (fr)
CA (1) CA2358913A1 (fr)
MX (1) MXPA01008041A (fr)
TW (1) TW550561B (fr)
WO (1) WO2001043126A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7227817B1 (en) 1999-12-07 2007-06-05 Dphi Acquisitions, Inc. Low profile optical head
US7006426B2 (en) 2001-12-18 2006-02-28 Stmicroelectronics, Inc. Integrated optical unit for use with miniature optical discs
KR20040079555A (ko) * 2003-03-07 2004-09-16 삼성전자주식회사 광헤드 및 그 광헤드의 광경로 조정방법
KR100612844B1 (ko) * 2003-05-09 2006-08-18 삼성전자주식회사 집적 광픽업 및 그 제조방법 및 이를 구비하는광정보저장장치
KR100513734B1 (ko) * 2003-11-04 2005-09-08 삼성전자주식회사 박형 광픽업
KR100601955B1 (ko) 2004-06-01 2006-07-14 삼성전기주식회사 집적 광학 시스템 및 그 제조 방법 및 이를 적용한 정보기록 및/또는 재생기기
FR2879009A1 (fr) * 2004-12-03 2006-06-09 St Microelectronics Sa Dispositif de lecture/ecriture de disques numeriques
EP1729294A1 (fr) * 2005-05-30 2006-12-06 Deutsche Thomson-Brandt Gmbh Capteur compact pour micro-lecteur de disque optique
JP5719587B2 (ja) * 2010-12-28 2015-05-20 京セラクリスタルデバイス株式会社 ディスク装置用スペーサー
CN112496736B (zh) * 2020-11-18 2022-04-15 昆山丘钛微电子科技股份有限公司 一种aa点亮驱动装置及aa机台

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523350B1 (fr) * 1982-03-09 1987-05-22 Thomson Csf Tete optique dans un dispositif d'enregistrement-lecture d'un support d'information
EP0313682B1 (fr) * 1987-10-30 1992-08-12 Ibm Deutschland Gmbh Analyseur de faisceau pour dispositifs d'enregistrement optique

Also Published As

Publication number Publication date
WO2001043126A2 (fr) 2001-06-14
MXPA01008041A (es) 2003-08-01
EP1254453A2 (fr) 2002-11-06
WO2001043126A8 (fr) 2001-11-15
AU1947501A (en) 2001-06-18
JP2003523036A (ja) 2003-07-29
TW550561B (en) 2003-09-01
CN1421034A (zh) 2003-05-28
CN100392736C (zh) 2008-06-04

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued