DE69320353D1 - Pneumatische nabenfesthaltvorrichtung zur ätzung optischer servospuren auf magnetplatten - Google Patents

Pneumatische nabenfesthaltvorrichtung zur ätzung optischer servospuren auf magnetplatten

Info

Publication number
DE69320353D1
DE69320353D1 DE69320353T DE69320353T DE69320353D1 DE 69320353 D1 DE69320353 D1 DE 69320353D1 DE 69320353 T DE69320353 T DE 69320353T DE 69320353 T DE69320353 T DE 69320353T DE 69320353 D1 DE69320353 D1 DE 69320353D1
Authority
DE
Germany
Prior art keywords
holding device
magnetic disks
servo tracks
optical servo
etching optical
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.)
Expired - Fee Related
Application number
DE69320353T
Other languages
English (en)
Other versions
DE69320353T2 (de
Inventor
Fred Thomas
Paul Johnson
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69320353D1 publication Critical patent/DE69320353D1/de
Publication of DE69320353T2 publication Critical patent/DE69320353T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B23K26/042—Automatically aligning the laser beam
    • 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
    • B23K26/0665—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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462—Nozzles; Features related to nozzles
    • B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
    • B23K26/147—Features outside the nozzle for feeding the fluid stream towards the workpiece
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59677—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks with optical servo tracking

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE69320353T 1992-06-10 1993-06-07 Pneumatische nabenfesthaltvorrichtung zur ätzung optischer servospuren auf magnetplatten Expired - Fee Related DE69320353T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/896,314 US5322987A (en) 1992-06-10 1992-06-10 Pneumatic hub locking device for etching optical servo tracks on magnetic disks
PCT/US1993/005230 WO1993025343A1 (en) 1992-06-10 1993-06-07 Pneumatic hub locking device for etching optical servo tracks on magnetic disks

Publications (2)

Publication Number Publication Date
DE69320353D1 true DE69320353D1 (de) 1998-09-17
DE69320353T2 DE69320353T2 (de) 1998-12-17

Family

ID=25405995

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320353T Expired - Fee Related DE69320353T2 (de) 1992-06-10 1993-06-07 Pneumatische nabenfesthaltvorrichtung zur ätzung optischer servospuren auf magnetplatten

Country Status (5)

Country Link
US (1) US5322987A (de)
EP (1) EP0655960B1 (de)
JP (1) JPH07508117A (de)
DE (1) DE69320353T2 (de)
WO (1) WO1993025343A1 (de)

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US5783797A (en) * 1996-05-09 1998-07-21 Seagate Technology, Inc. Laser texturing of magnetic recording medium using a crystal material
WO1997048095A1 (en) 1996-06-12 1997-12-18 Imation Corp. Bernouilly type flexible media stabilization for laser servowriting
US6037565A (en) * 1996-06-17 2000-03-14 The Regents Of The University Of California Laser illuminator and optical system for disk patterning
US5834731A (en) * 1997-06-04 1998-11-10 Hmt Technology Corporation Laser texturing apparatus with bernoulli holder
US6356401B1 (en) * 1997-07-22 2002-03-12 Seagate Technology Llc Method and apparatus for forming accurate optical clock patterns
US7153366B1 (en) 1998-03-24 2006-12-26 Quantum Corporation Systems and method for forming a servo pattern on a magnetic tape
US7029726B1 (en) 1999-07-27 2006-04-18 Quantum Corporation Method for forming a servo pattern on a magnetic tape
JPH11339254A (ja) * 1998-03-24 1999-12-10 Quantum Corp 磁気記録テ―プ、情報記憶媒体および磁気テ―プ記録再生システム
CN1279536C (zh) 1998-05-11 2006-10-11 西加特技术有限责任公司 在母盘上写入曲线伺服扇区图的装置和方法
US6741415B1 (en) 1999-02-16 2004-05-25 Quantum Corporation Method of writing servo signal on magnetic tape
JP4286457B2 (ja) 1999-02-17 2009-07-01 クウォンタム・コーポレイション 磁気テープへのサーボ信号書き込み方法
US6120357A (en) * 1999-02-22 2000-09-19 Imation Corp. System and method for CO2 cleaning of data storage disks
US6961200B2 (en) * 1999-07-27 2005-11-01 Quantum Corporation Optical servo track identification on tape storage media
US6558774B1 (en) 1999-08-17 2003-05-06 Quantum Corporation Multiple-layer backcoating for magnetic tape
US6940676B1 (en) 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
US6791784B2 (en) 2001-03-23 2004-09-14 Imation Corp. Diffraction-based monitoring of a patterned magnetic recording medium
US6940681B2 (en) 2001-08-20 2005-09-06 Quantum Corporation Optical to magnetic alignment in magnetic tape system
US7023650B2 (en) 2001-11-07 2006-04-04 Quantum Corporation Optical sensor to recording head alignment
US7187515B2 (en) * 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks
US6980390B2 (en) * 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks
US20040209123A1 (en) * 2003-04-17 2004-10-21 Bajorek Christopher H. Method of fabricating a discrete track recording disk using a bilayer resist for metal lift-off
US20050151282A1 (en) * 2004-01-13 2005-07-14 Harper Bruce M. Workpiece handler and alignment assembly
US7686606B2 (en) 2004-01-20 2010-03-30 Wd Media, Inc. Imprint embossing alignment system
US7329114B2 (en) * 2004-01-20 2008-02-12 Komag, Inc. Isothermal imprint embossing system
US9330685B1 (en) 2009-11-06 2016-05-03 WD Media, LLC Press system for nano-imprinting of recording media with a two step pressing method
US8402638B1 (en) 2009-11-06 2013-03-26 Wd Media, Inc. Press system with embossing foil free to expand for nano-imprinting of recording media
US8496466B1 (en) 2009-11-06 2013-07-30 WD Media, LLC Press system with interleaved embossing foil holders for nano-imprinting of recording media
KR101417197B1 (ko) * 2010-11-30 2014-07-08 엘에스산전 주식회사 Ｐｌｃ 위치 결정 장치 및 방법과 이를 이용한 ｐｌｃ 시스템
DE102014223325B4 (de) * 2014-11-14 2016-08-18 Tadano Faun Gmbh Aufnahmevorrichtung für ein konfigurierbares Gegengewicht eines Krans

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
DE3036005A1 (de) * 1980-09-24 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung einer codescheibe fuer optische winkelschrittgeber bzw. winkelcodierer
US4633451A (en) * 1982-06-30 1986-12-30 International Business Machines Corporation Optical servo for magnetic disks
US4467172A (en) * 1983-01-03 1984-08-21 Jerry Ehrenwald Method and apparatus for laser engraving diamonds with permanent identification markings
US4831470A (en) * 1987-10-13 1989-05-16 Brand Technologies Method and apparatus for recording disk servo information with detachable position decoder
JPH01149255A (ja) * 1987-12-04 1989-06-12 Toshiba Corp センタリング装置
US4958245A (en) * 1988-04-07 1990-09-18 Insite Peripherals, Inc. Apparatus and method for optical servo control with media having information storage and servo control regions of different reflectivities
US5065387A (en) * 1988-04-07 1991-11-12 Insite Peripherals, Inc. Method and apparatus for generating tracking error signals by means of an optical servo system
US4961123A (en) * 1988-06-03 1990-10-02 Insite Peripherals Magnetic information media storage with optical servo tracks
US5120927A (en) * 1988-06-03 1992-06-09 Insite Peripherals, Inc. High track density media with optical servo tracks and method and apparatus for inscribing the tracks on the media
JPH02112890A (ja) * 1988-10-20 1990-04-25 Showa Denko Kk ダイヤモンドの切断方法
US4935835A (en) * 1988-11-10 1990-06-19 Insite Peripherals, Inc. Magnetic media containing reference feature and methods for referencing magnetic head position to the reference feature
US5067039A (en) * 1989-10-20 1991-11-19 Insite Peripherals, Inc. High track density magnetic media with pitted optical servo tracks and method for stamping the tracks on the media
US5149938A (en) * 1990-10-11 1992-09-22 Harry Winston, S.A. Methods for producing indicia on diamonds
US5210672A (en) * 1990-11-09 1993-05-11 Insite Peripherals, Inc. Magnetically indelible media type identification system
JPH1149255A (ja) * 1997-07-28 1999-02-23 Kamaya Kagaku Kogyo Co Ltd カートリッジ式押し出し容器

Also Published As

Publication number Publication date
US5322987A (en) 1994-06-21
EP0655960A1 (de) 1995-06-07
EP0655960B1 (de) 1998-08-12
DE69320353T2 (de) 1998-12-17
WO1993025343A1 (en) 1993-12-23
JPH07508117A (ja) 1995-09-07
EP0655960A4 (de) 1996-06-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee