HK1028579A1 - Laser texturing recording medium with a random signal driven modulator - Google Patents

Laser texturing recording medium with a random signal driven modulator

Info

Publication number
HK1028579A1
HK1028579A1 HK00108030A HK00108030A HK1028579A1 HK 1028579 A1 HK1028579 A1 HK 1028579A1 HK 00108030 A HK00108030 A HK 00108030A HK 00108030 A HK00108030 A HK 00108030A HK 1028579 A1 HK1028579 A1 HK 1028579A1
Authority
HK
Hong Kong
Prior art keywords
recording medium
random signal
signal driven
laser texturing
driven modulator
Prior art date
Application number
HK00108030A
Other languages
English (en)
Inventor
Jialuo Jack Xuan
Chung-Yuang Shih
Original Assignee
Seagate Technology Llc
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 Seagate Technology Llc filed Critical Seagate Technology Llc
Publication of HK1028579A1 publication Critical patent/HK1028579A1/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/355—Texturing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • 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
    • G11B23/0014—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 record carriers not specifically of filamentary or web form
    • G11B23/0021—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 record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Optical Recording Or Reproduction (AREA)
HK00108030A 1997-09-02 2000-12-14 Laser texturing recording medium with a random signal driven modulator HK1028579A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5732397P 1997-09-02 1997-09-02
PCT/US1998/016655 WO1999011418A1 (en) 1997-09-02 1998-08-10 Laser texturing recording medium with a random signal driven modulator

Publications (1)

Publication Number Publication Date
HK1028579A1 true HK1028579A1 (en) 2001-02-23

Family

ID=22009893

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00108030A HK1028579A1 (en) 1997-09-02 2000-12-14 Laser texturing recording medium with a random signal driven modulator

Country Status (8)

Country Link
US (1) US6147322A (zh)
JP (1) JP2001514430A (zh)
KR (1) KR100584645B1 (zh)
CN (1) CN1125441C (zh)
DE (1) DE19882653T1 (zh)
GB (1) GB2344551B (zh)
HK (1) HK1028579A1 (zh)
WO (1) WO1999011418A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002076675A1 (fr) * 2001-03-27 2002-10-03 Nippon Sheet Glass Co., Ltd. Substrat pour support d'enregistrement d'informations et procede de production dudit substrat, support d'enregistrement d'informations et feuille de verre ebauche
US20060189091A1 (en) * 2004-11-11 2006-08-24 Bo Gu Method and system for laser hard marking
CN100462180C (zh) * 2005-10-28 2009-02-18 中国科学院力学研究所 无规则偏转毛化点的辊类表面毛化激光加工系统及方法
CN100475412C (zh) * 2005-11-01 2009-04-08 中国科学院力学研究所 圆周无规则毛化点的辊类表面毛化激光加工系统及方法
US8262381B2 (en) * 2006-06-22 2012-09-11 Sabic Innovative Plastics Ip B.V. Mastering tools and systems and methods for forming a cell on the mastering tools
US7807938B2 (en) * 2006-06-22 2010-10-05 Sabic Innovative Plastics Ip B.V. Mastering tools and systems and methods for forming a plurality of cells on the mastering tools
EP2428307B1 (de) * 2010-09-10 2016-03-16 ACSYS Lasertechnik GmbH Verfahren zur Erzeugung von rauen Oberflächenstrukturen
JP5830890B2 (ja) * 2011-03-24 2015-12-09 富士電機株式会社 磁気ディスク装置、磁気ディスク及びその製造方法
US10183318B2 (en) * 2011-09-23 2019-01-22 Boegli-Gravures S.A. Method and device for producing a structured surface on a steel embossing roller
CN102699524B (zh) * 2012-05-25 2016-03-02 武汉华工激光工程有限责任公司 一种多头激光无序毛化轧辊表面的加工方法和加工设备
JP6843347B2 (ja) * 2016-08-09 2021-03-17 学校法人 名古屋電気学園 表面微細構造形成方法、構造体の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9025517D0 (en) * 1990-11-23 1991-01-09 Zed Instr Ltd Laser engraving apparatus
US5283773A (en) * 1992-06-10 1994-02-01 Iomega Corporation Steering laser beam while etching optical servo tracks for magnetic disks
US5279775A (en) * 1992-06-10 1994-01-18 Iomega Corporation Acousto-optical intensity control of laser beam during etching of optical servo information of magnetic media
US5528922A (en) * 1994-12-27 1996-06-25 International Business Machines Corporation Method of making disk bumps with laser pulses for calibrating PZT sliders
JPH08249637A (ja) * 1995-03-07 1996-09-27 Hitachi Ltd 磁気ディスクおよびその製造方法ならびに磁気ディスク装置
US5654125A (en) * 1995-05-01 1997-08-05 E. I. Du Pont De Nemours And Company Laser apparatus and process of use
EP1124219A1 (en) * 1995-06-21 2001-08-16 Ngk Insulators, Ltd. Substrates for magnetic discs, magnetic discs and process for producing magnetic discs
US5910262A (en) * 1997-02-06 1999-06-08 International Business Machines Corporation Method and tool for laser texturing of glass substrates

Also Published As

Publication number Publication date
GB2344551B (en) 2001-04-04
JP2001514430A (ja) 2001-09-11
US6147322A (en) 2000-11-14
DE19882653T1 (de) 2000-08-10
CN1125441C (zh) 2003-10-22
GB0004967D0 (en) 2000-04-19
WO1999011418A1 (en) 1999-03-11
CN1278198A (zh) 2000-12-27
KR20010023580A (ko) 2001-03-26
GB2344551A (en) 2000-06-14
KR100584645B1 (ko) 2006-05-30

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Legal Events

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

Effective date: 20110810