WO2001043126A8 - Low profile optical head - Google Patents

Low profile optical head

Info

Publication number
WO2001043126A8
WO2001043126A8 PCT/US2000/033014 US0033014W WO0143126A8 WO 2001043126 A8 WO2001043126 A8 WO 2001043126A8 US 0033014 W US0033014 W US 0033014W WO 0143126 A8 WO0143126 A8 WO 0143126A8
Authority
WO
WIPO (PCT)
Prior art keywords
optical head
optical
low profile
components
stacking
Prior art date
Application number
PCT/US2000/033014
Other languages
French (fr)
Other versions
WO2001043126A2 (en
Inventor
Ian Redmond
Bernard Bell
David L Blankenbeckler
Michael F Braitberg
Robert D Freeman
Original Assignee
Dataplay Inc
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 Dataplay Inc filed Critical Dataplay Inc
Priority to MXPA01008041A priority Critical patent/MXPA01008041A/en
Priority to AU19475/01A priority patent/AU1947501A/en
Priority to CA002358913A priority patent/CA2358913A1/en
Priority to JP2001543729A priority patent/JP2003523036A/en
Priority to EP00982448A priority patent/EP1254453A2/en
Publication of WO2001043126A2 publication Critical patent/WO2001043126A2/en
Publication of WO2001043126A8 publication Critical patent/WO2001043126A8/en

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)

Abstract

L'invention concerne une tête optique d'un type utilisable dans un lecteur/enregistreur de disque optique. La tête optique présente un profil bas, par exemple, dans un sens vertical parallèle à l'axe de rotation du disque, tel qu'il est inférieur à environ 5 mm et de préférence inférieur à environ 3 mm. Sensiblement tous les composants du système optique, y compris une source laser, l'objectif, l'optique intermédiaire et le photodétecteur sont disposés dans la tête optique et montés en position fixe les uns par rapport aux autres. Sensiblement tous les composants optiques de la tête optique sont mus en une seule unité, par exemple, pendant l'alignement et/ou la focalisation. De préférence, la tête optique est fabriquée selon des technologies à l'échelle d'une plaquette et/ou d'empilage, par exemple, l'empilage de composants sensiblement plans pour obtenir la configuration finale de la tête optique.The invention relates to an optical head of a type usable in an optical disc player / recorder. The optical head has a low profile, for example, in a vertical direction parallel to the axis of rotation of the disc, such that it is less than about 5 mm and preferably less than about 3 mm. Substantially all the components of the optical system, including a laser source, the objective, the intermediate optics and the photodetector are arranged in the optical head and mounted in a fixed position with respect to each other. Substantially all of the optical components of the optical head are moved into a single unit, for example, during alignment and / or focusing. Preferably, the optical head is manufactured using technologies on the scale of a wafer and / or stacking, for example, the stacking of substantially planar components to obtain the final configuration of the optical head.

PCT/US2000/033014 1999-12-07 2000-12-05 Low profile optical head WO2001043126A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MXPA01008041A MXPA01008041A (en) 1999-12-07 2000-12-05 Low profile optical head.
AU19475/01A AU1947501A (en) 1999-12-07 2000-12-05 Low profile optical head
CA002358913A CA2358913A1 (en) 1999-12-07 2000-12-05 Low profile optical head
JP2001543729A JP2003523036A (en) 1999-12-07 2000-12-05 Thin optical head
EP00982448A EP1254453A2 (en) 1999-12-07 2000-12-05 Low profile optical head

Applications Claiming Priority (4)

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

Publications (2)

Publication Number Publication Date
WO2001043126A2 WO2001043126A2 (en) 2001-06-14
WO2001043126A8 true WO2001043126A8 (en) 2001-11-15

Family

ID=27038486

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/033014 WO2001043126A2 (en) 1999-12-07 2000-12-05 Low profile optical head

Country Status (8)

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

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 (en) * 2003-03-07 2004-09-16 삼성전자주식회사 Optical head and optical path adjusting method of the same
KR100612844B1 (en) 2003-05-09 2006-08-18 삼성전자주식회사 Integrated optical pickup and manufacturing method the same and optical information storage apparatus comprising the same
KR100513734B1 (en) * 2003-11-04 2005-09-08 삼성전자주식회사 Slim optical pickup
KR100601955B1 (en) 2004-06-01 2006-07-14 삼성전기주식회사 Integrated optical system and method for manufacturing the same and apparatus for recording and/or reproducing information applied the same
FR2879009A1 (en) * 2004-12-03 2006-06-09 St Microelectronics Sa DEVICE FOR READING / WRITING DIGITAL DISKS
EP1729294A1 (en) * 2005-05-30 2006-12-06 Deutsche Thomson-Brandt Gmbh Compact pickup for micro optical drive
JP5719587B2 (en) * 2010-12-28 2015-05-20 京セラクリスタルデバイス株式会社 Spacer for disk unit
CN112496736B (en) * 2020-11-18 2022-04-15 昆山丘钛微电子科技股份有限公司 AA lighting driving device and AA machine table

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523350B1 (en) * 1982-03-09 1987-05-22 Thomson Csf OPTICAL HEAD IN A RECORDING-READING DEVICE OF AN INFORMATION MEDIUM
DE3781157T2 (en) * 1987-10-30 1993-03-04 Ibm Deutschland BUNDLE ANALYSIS DEVICE FOR OPTICAL RECORDING DEVICES.

Also Published As

Publication number Publication date
JP2003523036A (en) 2003-07-29
WO2001043126A2 (en) 2001-06-14
EP1254453A2 (en) 2002-11-06
TW550561B (en) 2003-09-01
AU1947501A (en) 2001-06-18
CA2358913A1 (en) 2001-06-14
CN1421034A (en) 2003-05-28
MXPA01008041A (en) 2003-08-01
CN100392736C (en) 2008-06-04

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