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WO2004066291A1 - Dispositif de nettoyage pour dispositif optique de traitement d'informations et dispositif optique de traitement d'informations - Google Patents

Dispositif de nettoyage pour dispositif optique de traitement d'informations et dispositif optique de traitement d'informations Download PDF

Info

Publication number
WO2004066291A1
WO2004066291A1 PCT/JP2003/000441 JP0300441W WO2004066291A1 WO 2004066291 A1 WO2004066291 A1 WO 2004066291A1 JP 0300441 W JP0300441 W JP 0300441W WO 2004066291 A1 WO2004066291 A1 WO 2004066291A1
Authority
WO
WIPO (PCT)
Prior art keywords
information processing
optical information
cleaner
optical
processing device
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.)
Ceased
Application number
PCT/JP2003/000441
Other languages
English (en)
Japanese (ja)
Inventor
Kiyoto Matsui
Tohru Fujimaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to PCT/JP2003/000441 priority Critical patent/WO2004066291A1/fr
Priority to JP2004567120A priority patent/JP4068621B2/ja
Publication of WO2004066291A1 publication Critical patent/WO2004066291A1/fr
Priority to US11/104,526 priority patent/US7475411B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0327—Containers for flat record carriers for special applications not otherwise provided for
    • 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
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier

Definitions

  • the present invention relates to a cleaner and an optical information processing apparatus for cleaning an optical head of an optical information processing apparatus.
  • optical information processing device in this specification means an information processing device capable of recording, Z, or reproducing data by using optical means. Therefore, in addition to a narrowly-defined optical information processing device dedicated to reading data from an optical disk, there is also a wide range of information processing devices including a type capable of rewriting data on an optical recording medium by a magneto-optical recording method or a phase change method. It is a concept. Background art
  • an optical disk device represented by a CD player or a DVD player
  • reading and writing of information from and to an optical disk are performed using an optical head.
  • the optical head includes an objective lens that forms a laser spot on the recording surface of the optical disk by focusing laser light traveling from a laser light source. Dust may adhere to the objective lens, and if the objective lens becomes dirty, the read / write performance of the optical head deteriorates. Therefore, it is desirable that the optical head is periodically cleaned, and conventionally, various cleaners have been proposed as described below.
  • Japanese Patent Application Laid-Open Publication No. 2000-2501296 describes a cleaner for an optical disk device.
  • This cleaner has a brush provided on a disk. When the brush is brought into contact with the optical head of the optical disk device while the disk is rotated at a high speed by loading the cleaner into the optical disk device, the optical disk is cleaned.
  • Japanese Patent Application Laid-Open No. Hei 4-2-2214 Japanese Patent Application Laid-Open No. 5-120731, Japanese Patent Application Laid-Open No. 6_
  • cloth, wet chips, and elastically deformable contact members for cleaning an optical head are disclosed.
  • a cleaner using a simple porous body or a sponge-like elastic member is described.
  • the above-mentioned contact member contacts the optical head while rotating at a high speed. By doing so, the optical head is cleaned.
  • An object of the present invention is to provide a cleaner for an optical information processing device and an optical information processing device that can solve or reduce the above-mentioned problems.
  • a cleaner for an optical information processing device provided by the first aspect of the present invention is a cleaner for an optical information processing device, comprising a cleaning contact member capable of contacting an optical head of the optical information processing device. Further, an adhesive member having an adhesive surface is used as the contact member.
  • the adhesive member when the adhesive member comes into contact with the optical head, it is configured to maintain a state where movement in a direction intersecting the contact direction is prevented.
  • At least the surface layer of the above-mentioned adhesive raw material has rubber-like elasticity.
  • at least the surface layer of the adhesive member is made of a gel-like substance.
  • the optical information processing apparatus cleaner includes a cartridge formed so as to be capable of being loaded into a loading section for an optical recording medium of the optical information processing apparatus.
  • the member is housed and the adhesive A window is formed to enable the contact between the conductive member and the optical head.
  • the cleaner for an optical information processing device includes a shutter that allows the window to be opened and closed.
  • the adhesive member is fixedly provided at a position facing the window in the cartridge.
  • a disk for clamping is housed rotatably in the cartridge, and the adhesive member is located at a position distant from the disk.
  • a first disk for clamping and a second disk supported by the first disk and mounting the adhesive member, wherein the first and second disks are provided.
  • the disks are rotatable relative to each other in their circumferential direction.
  • a hole for inserting a spindle is formed in the center of the first disk.
  • a hole is formed in a central portion of the second disk, and the whole or a part of the first disk is fitted into the hole so as to be relatively rotatable.
  • a supporting means incorporated in the optical information processing apparatus and supporting the adhesive member, wherein at least one of the optical head and the supporting means has a focus direction and a focus direction. By moving in an intersecting direction, a contact operation and a separation operation of the optical head and the adhesive member can be performed.
  • An optical information processing device provided by the second aspect of the present invention is an optical information processing device comprising: an optical head; and a cleaning contact member capable of contacting the optical head. It is characterized in that an adhesive member having an adhesive surface is used as the contact member.
  • FIG. 1 is a sectional view of an example of the optical information processing device cleaner according to the present invention.
  • FIG. 2 is an exploded perspective view of the optical information processing device cleaner shown in FIG.
  • FIG. 3 is an explanatory diagram of a usage state of the optical information processing device cleaner shown in FIG.
  • FIG. 4 is a cross-sectional view of another example of the optical information processing device cleaner according to the present invention.
  • FIG. 5 is a bottom view of the optical information processing device cleaner shown in FIG.
  • FIG. 6 is a cross-sectional view of another example of the optical information processing device cleaner according to the present invention.
  • FIG. 7 is a schematic perspective view of another example of the optical information processing device cleaner according to the present invention.
  • the cleaner is used for cleaning the magneto-optical disk drive, and includes a cartridge 4, a disk 1 contained in the cartridge 4, an adhesive sheet 2, a clamping disk 3, and a shutter 5. It is configured with.
  • the cartridge 4 is formed by joining the first member 40 and the second member 41 so as to form a space inside.
  • the first member 40 has a window 40a.
  • a clamping disk 3 rotated by a spindle 20 of the magneto-optical disk device Pi shown in FIG. 3 is mounted.
  • a circular opening 41a is formed so as to expose one side of the clamping disk 3 so that the spindle of the magneto-optical disk device Pi can be contacted. Is formed.
  • the shutter 5 is for opening and closing the window 40a, and normally keeps the window 40a closed by the force of a panel (not shown).
  • the shutter 5 moves by the shutter opening mechanism of the magneto-optical disc device P #, and opens the window 40a.
  • the adhesive sheet 2 is affixed to one side of the disc 1 at a position facing the window 40a.
  • a material having a surface with sufficient adhesiveness to effectively adhere dust is used.
  • a material having excessive adhesiveness is not suitable because the adhesive component adheres to the optical head 17 of the magneto-optical disk device Pi.
  • the entirety of the adhesive sheet 2 has rubber-like elasticity, and a specific material thereof is silicone rubber. Materials that meet the above requirements and are widely distributed include, for example, KE 3495—Shin-Etsu Chemical Co., Ltd.
  • the adhesive sheet 2 can be configured so that the entirety thereof is made of silicone rubber and is attached to the disk 1 with an adhesive or the like. Further, in the present invention, a configuration using a sheet in which only the surface layer portion is made of silicone rubber and an adhesive layer is formed on the other surface, and these are laminated with a base material may be adopted.
  • the disk 1 has an opening 1a at the center, and the shape and size when combined with the clamping disk 3 are similar to a general cartridge type magneto-optical disk.
  • the disc 1 is fixed to the second member 41 by fitting an opening 1a provided in the disc 1 with a pin 41b provided in the second member 41 of the cartridge. ing.
  • the clamping disk 3 is rotatably supported by the first member 40 and the second member 41 of the cartridge 4.
  • the pin 40b provided in the first member 40 is inserted into the opening 3a provided in the clamping disk 3, and the clamping disk 3 is
  • the clamping member 3 is rotatably supported inside the disk 1 by being sandwiched between the first member 40 and the second member 41. According to such a configuration, the cleaner uses the magneto-optical disk device P! When the disk 1 is loaded, only the clamping disk 3 is rotated by the spindle of the magneto-optical disk device Pi, and the disk 1 is not rotated.
  • the magneto-optical disk device Pi includes an optical unit 13, a carriage 15, and a spindle 20.
  • the optical cut 13 is composed of a laser light source, a light emitting system such as a prism for shaping light, a beam splitter for dispersing light returning from the optical disk, a detector for sensing the returned light, and a light collector for the detector. It has a light receiving system such as a lens that emits light (both not shown).
  • the laser light 14 emitted from the optical unit 13 can be turned to the disk 1 by the rising mirror 16 of the carriage 15.
  • the laser beam 14 passes through an objective lens 17a provided in the optical head 17 and is irradiated on a magneto-optical disk (not shown) loaded in the loading section 1 ⁇ .
  • FIG. 3 shows a state in which the cleaner is loaded, and the magneto-optical disk is not shown.
  • the carriage 15 is provided with a bearing 19, and the disk 1 is provided with a bearing 19. It is movable in the radial direction.
  • the optical head 17 is supported by a suspension (not shown) in the actuator 18. The position of the optical head 17 is controlled by the actuator 18 to perform focus control.
  • the actuator 18 brings the optical head 17 closer to the magneto-optical disk, and the focusing is accurate. In this case, the actuator 18 is controlled to maintain the state. If the focusing is not properly performed, the above-described control is executed again, and the above-described control is repeatedly performed a fixed number of times until the focusing is properly performed.
  • the optical head 17 includes a magnetic forming coil (not shown) in addition to the objective lens 1a. Next, the cleaning operation of the optical head 17 by the cleaner will be described.
  • the clubbing disk 3 is held by the spindle 20.
  • the window 40a is opened by moving the shutter 5 by the opening mechanism (not shown) of the magneto-optical disc device Pi.
  • focus control is started, and the objective lens 17 a is brought closer to the cleaner by the actuator 18.
  • the spindle 20 rotates, so that the cleaning disk 3 is rotated. Even in such a case, the disk 1 is not rotated by the above configuration. Therefore, the objective lens 17a is moved toward the stopped adhesive sheet 2, and the adhesive sheet 2 and the objective lens 17a come into contact with each other. At this time, the adhesive sheet 2 is stationary and does not physically wipe the lens 17a.
  • the adhesive sheet 2 has appropriate adhesiveness, dust from the lens 17a adheres to the adhesive sheet 2. As a result, the objective lens 17a is cleaned.
  • the adhesive sheet 2 is made of silicone rubber, it is difficult to reflect light. Therefore, since the detector cannot detect the return light, the focus control is continued thereafter. Therefore, by repeatedly driving the objective lens 17a up and down, the adhesive sheet 2 and the objective lens 17a come into contact repeatedly, and the cleaning of the objective lens 17a is repeated. After the above steps are repeated several times, for example, the magneto-optical disk device Pi recognizes that an error has occurred in disc determination, and ends the focus control. Thereby, the optical head 17 having the objective lens 17a is retracted to a predetermined position, and the cleaning of the objective lens 17a is completed.
  • the adhesive sheet 2 does not rotate but remains stationary and only contacts the objective lens 17a. Therefore, there is almost no horizontal friction between them.
  • the pressure-sensitive adhesive sheet 2 made of silicone rubber has flexibility, and at the time of contact, is elastically deformed so as to conform to the objective lens 1a, so that an unreasonable force due to collision or the like is not applied. Therefore, it is possible to prevent the objective lens 17a from being damaged and from damaging other portions of the optical head 17.
  • the adhesive sheet 2 since the adhesive sheet 2 exhibits a function of retaining the dust attached to the surface thereof, the dust attached to the adhesive sheet 2 does not adhere to the reproduction objective lens 17a. Since dust is not wiped off at high speed as in the case of cleaning with a brush, dust is not scattered in the magneto-optical disk device Pi. Therefore, it is possible to prevent dust from remaining and accumulating in the magneto-optical disk device Pi.
  • the cleaner C 2 of the present embodiment includes: Unlike the cleaner C i, it is used for cleaning the optical disk device for reading and writing the medium without the cartridge.
  • the seat 53 is provided.
  • the adhesive sheet 53 is attached so as to cover the entire circumference of one surface of the disk 51.
  • silicone rubber is suitable as in the above-described embodiment.
  • the clamping disk 52 is fitted into an opening provided at the center of the disk 51.
  • the annular concave portion 51a on the inner peripheral surface of the disk 51 and the annular convex portion 52a on the outer peripheral surface of the clamping disk 52 are fitted together, thereby forming the disk 51 and the clamping disk 5a. 2 are configured to be rotatable relative to each other in their circumferential direction and not to be displaced in their thickness direction.
  • Klang Bing disk 5 2 is held. Head 8 0 to the optical of the optical disk apparatus to perform focus control, to approach towards the lower side of the cleaner C 2 to the cleaner C 2.
  • the objective lens 80a provided in the optical head 80 comes into contact with the adhesive sheet 53.
  • the clamping disk 52 is rotated by the rotation of the spindle 81.
  • the disk 51 and the clamping disk 52 are configured to be rotatable relative to each other. Further, the disc 51 comes into contact with the objective lens through the adhesive sheet 53.
  • FIG. 6 shows another example of a cleaner used in an optical disk apparatus for reading and writing a medium having no cartridge.
  • Cleaner c 3 of the present embodiment is similar to that configuration and cleaner c 2, a de Isku 6 1, a clan Bing disc 6 2, and a ring-shaped adhesive sheet 6 3.
  • the clamping disk 62 is composed of a lower member 62a and an upper member 62b.
  • a part of the lower member 62 a is inserted into the hole provided in the upper member 62 b through the hole provided in the disk 61, so that the upper member 62 a and the lower member 62 and b are combined.
  • the disk 61 and the crumbing disk 62 can rotate relative to each other, and do not come off in their thickness direction. According to this structure, the same effect as when cleaning with the cleaner C 2 is obtained.
  • FIG. 7 shows an example of a magneto-optical disk drive according to the present invention.
  • the magneto-optical disk device P 2 includes an optical unit (not shown), a carriage 15, an optical head 17, and a spindle 20, similarly to the above-described magneto-optical disk device. Further, in addition to these, it has a cleaner 70.
  • the cleaner 70 includes an arm 71, an adhesive sheet 72, and a driving mechanism 73.
  • the adhesive sheet 72 is made of the silicone rubber used in the above-described embodiment, and is attached to the lower surface of the arm 71.
  • the arm 71 can be rotated and moved up and down by a drive mechanism 73.
  • the arms 71 are retracted to a position which does not interfere with the optical disk D.
  • the cleaner mechanism 70 in the retracted position is shown by a solid line.
  • the magneto-optical disc D is from summer and a state which is not loaded in the magneto-optical disc device P 2, the cleaning is initiated.
  • the arm 71 is rotated by the drive mechanism 73 from the retracted position to a position immediately above the optical head 17.
  • the arm 71 is moved down in the direction of the optical head 17 by the drive mechanism 73.
  • the adhesive sheet 72 and the objective lens 17a of the optical head 17 come into contact with each other.
  • the objective lens 1 When the dust of 7a adheres to the adhesive sheet 2, the objective lens 17a is cleaned.
  • the arm 71 is raised by the driving mechanism 73 in a direction away from the optical head 17 and then rotated to the retreat position.
  • the optical head 17 can be tarry-ung without the user performing an operation for loading the cleaner. Further, dust is attached to the adhesive sheet 7 2, because it does not scatter to the magneto-optical disk device P 2, can be avoided dust is deposited on the magneto-optical de Isku the device P 2.
  • the adhesive sheet 72 and the objective lens 17a may be brought into contact by raising and lowering the optical head 17 without raising and lowering the arm 71.
  • silicone rubber is used as the material of the adhesive sheet, but the present invention is not limited to this.
  • the adhesive sheet can be made of a material having rubber-like elasticity other than silicone rubber.
  • a gel-like substance containing silicone as a main raw material for example, Alf Azier, trade name, manufactured by Diltech Co., Ltd.
  • This gel-like substance can have sufficient adhesiveness for adhering dust of the objective lens 17a, similarly to the silicone rubber used in the above embodiment.
  • the gel-like substance is soft and can be deformed by an external force. Therefore, even when this gel-like substance is brought into contact with the objective lens 17a, it can be flexibly adapted to the objective lens 17a. Therefore, when a gel-like substance is used, it is not particularly necessary to have elasticity.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)

Abstract

La présente invention concerne un dispositif de nettoyage C1 conçu pour un dispositif de type disque magnétique optique, comportant une cartouche (4), un disque (1), une feuille adhésive (2) collée sur le disque (1), un disque de blocage (3) et un obturateur (5), dans lequel le disque de blocage (3) est stocké rotatif dans la cartouche (4), et le disque (1) est fixé à la cartouche (4) en une position à distance du disque de blocage (3), ceci permettant le nettoyage en toute sécurité d'une tête optique (17) et empêchant les éclaboussures de poussière sur le dispositif de type disque magnétique optique (P1).
PCT/JP2003/000441 2003-01-20 2003-01-20 Dispositif de nettoyage pour dispositif optique de traitement d'informations et dispositif optique de traitement d'informations Ceased WO2004066291A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2003/000441 WO2004066291A1 (fr) 2003-01-20 2003-01-20 Dispositif de nettoyage pour dispositif optique de traitement d'informations et dispositif optique de traitement d'informations
JP2004567120A JP4068621B2 (ja) 2003-01-20 2003-01-20 光情報処理装置用クリーナ
US11/104,526 US7475411B2 (en) 2003-01-20 2005-04-13 Cleaner utilizing adhesive member, and optical information processing device incorporating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/000441 WO2004066291A1 (fr) 2003-01-20 2003-01-20 Dispositif de nettoyage pour dispositif optique de traitement d'informations et dispositif optique de traitement d'informations

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/104,526 Continuation US7475411B2 (en) 2003-01-20 2005-04-13 Cleaner utilizing adhesive member, and optical information processing device incorporating the same

Publications (1)

Publication Number Publication Date
WO2004066291A1 true WO2004066291A1 (fr) 2004-08-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/000441 Ceased WO2004066291A1 (fr) 2003-01-20 2003-01-20 Dispositif de nettoyage pour dispositif optique de traitement d'informations et dispositif optique de traitement d'informations

Country Status (2)

Country Link
JP (1) JP4068621B2 (fr)
WO (1) WO2004066291A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009230797A (ja) * 2008-03-21 2009-10-08 Fujitsu Ltd クリーニングシステム、ディスクドライブ、およびクリーナ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01251483A (ja) * 1988-03-31 1989-10-06 Nec Corp 光ピックアップクリーナ
JPH0358331A (ja) * 1989-07-26 1991-03-13 Fujitsu Ltd 光ディスク装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01251483A (ja) * 1988-03-31 1989-10-06 Nec Corp 光ピックアップクリーナ
JPH0358331A (ja) * 1989-07-26 1991-03-13 Fujitsu Ltd 光ディスク装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009230797A (ja) * 2008-03-21 2009-10-08 Fujitsu Ltd クリーニングシステム、ディスクドライブ、およびクリーナ

Also Published As

Publication number Publication date
JP4068621B2 (ja) 2008-03-26
JPWO2004066291A1 (ja) 2006-05-18

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