WO2001031652A1 - Dispositif de stockage optique - Google Patents

Dispositif de stockage optique Download PDF

Info

Publication number
WO2001031652A1
WO2001031652A1 PCT/JP1999/005970 JP9905970W WO0131652A1 WO 2001031652 A1 WO2001031652 A1 WO 2001031652A1 JP 9905970 W JP9905970 W JP 9905970W WO 0131652 A1 WO0131652 A1 WO 0131652A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
guide rail
carriage
optical storage
base
Prior art date
Application number
PCT/JP1999/005970
Other languages
English (en)
Japanese (ja)
Inventor
Miyozo Maeda
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP1999/005970 priority Critical patent/WO2001031652A1/fr
Publication of WO2001031652A1 publication Critical patent/WO2001031652A1/fr

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/022—Programmed access in sequence to indexed parts of operating record carriers
    • G11B21/025—Programmed access in sequence to indexed parts of operating record carriers of rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/0401—Details

Definitions

  • FIG. 5 is a bottom view of the read / write mechanism unit of the optical disk device of the present invention
  • FIG. 6 is a plan view of the optical disk device of the present invention
  • a cartridge identification sensor 28 that detects a write-protection state of the cartridge and a type of the cartridge is attached.
  • An ejector 32 for ejecting the optical disc cartridge inserted into the cartridge holder 10 is mounted on the opposite side of the insertion opening 12 of the pot plate 8a.
  • a lifting mechanism for the cartridge holder 10 is provided between the chassis 8 and the cartridge holder 10.
  • the objective lens used in the optical disc device is designed to focus a light beam on the recording surface of the optical disc through a transparent substrate having a predetermined thickness, so that a laser beam incident on the substrate is directed toward the substrate.
  • tilts Te beam shape becomes elliptical in various would optical aberration occurs c astigmatism, crescent-shaped around the main beam in coma sub peak can, peak intensity or unwanted signal reduction Cause.
  • the spherical aberration has a circular peak around the main beam, which also causes the same problem as coma. When such optical aberrations occur, the beam spot diameter increases and the peak intensity of the optical beam decreases, so that the reproduction signal decreases during reproduction and a large recording power is required during recording.

Abstract

L'invention concerne un dispositif de stockage optique comprenant une première et une seconde glissière, parallèles (52, 54), un chariot (44) destiné à supporter une tête optique (46), une paire de premier palier coulissant (110) fixé au chariot (44) et conçu pour coulisser sur la première glissière (52), et de second palier coulissant (112) fixé au chariot (44) et conçu pour coulisser sur la seconde glissière (54). Le premier palier (110) présente une première surface d'appui (110a), et le second palier (112), des deuxième et troisième surfaces d'appui parallèles (112a, 112b). Les deuxième et troisième surfaces d'appui (112a, 112b) du second palier (112) sont sensiblement parallèles à la première surface d'appui (110a) du premier palier (110).
PCT/JP1999/005970 1999-10-28 1999-10-28 Dispositif de stockage optique WO2001031652A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/005970 WO2001031652A1 (fr) 1999-10-28 1999-10-28 Dispositif de stockage optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/005970 WO2001031652A1 (fr) 1999-10-28 1999-10-28 Dispositif de stockage optique

Publications (1)

Publication Number Publication Date
WO2001031652A1 true WO2001031652A1 (fr) 2001-05-03

Family

ID=14237114

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/005970 WO2001031652A1 (fr) 1999-10-28 1999-10-28 Dispositif de stockage optique

Country Status (1)

Country Link
WO (1) WO2001031652A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60194763U (ja) * 1984-06-06 1985-12-25 日本電産コパル株式会社 フロツピデイスク駆動装置のガイドシヤフトとヘツドキヤリツジとの嵌合ガタ調整機構
JPS6190069U (fr) * 1984-11-15 1986-06-11
JPH07296391A (ja) * 1994-04-27 1995-11-10 Nippon Seiko Kk 光ヘッド用キャリッジユニット
JPH1027439A (ja) * 1996-07-10 1998-01-27 Nippon Seiko Kk 光ヘッド用キャリッジユニット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60194763U (ja) * 1984-06-06 1985-12-25 日本電産コパル株式会社 フロツピデイスク駆動装置のガイドシヤフトとヘツドキヤリツジとの嵌合ガタ調整機構
JPS6190069U (fr) * 1984-11-15 1986-06-11
JPH07296391A (ja) * 1994-04-27 1995-11-10 Nippon Seiko Kk 光ヘッド用キャリッジユニット
JPH1027439A (ja) * 1996-07-10 1998-01-27 Nippon Seiko Kk 光ヘッド用キャリッジユニット

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