US20120100786A1 - Method of manufacturing glass substrate for magnetic recording media - Google Patents

Method of manufacturing glass substrate for magnetic recording media Download PDF

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Publication number
US20120100786A1
US20120100786A1 US13/274,856 US201113274856A US2012100786A1 US 20120100786 A1 US20120100786 A1 US 20120100786A1 US 201113274856 A US201113274856 A US 201113274856A US 2012100786 A1 US2012100786 A1 US 2012100786A1
Authority
US
United States
Prior art keywords
diamond
glass substrate
lapping
polishing
magnetic recording
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.)
Abandoned
Application number
US13/274,856
Other languages
English (en)
Inventor
Kazuyuki Haneda
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Assigned to SHOWA DENKO K.K. reassignment SHOWA DENKO K.K. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HANEDA, KAZUYUKI
Publication of US20120100786A1 publication Critical patent/US20120100786A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/11—Lapping tools
    • B24B37/20—Lapping pads for working plane surfaces
    • B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
    • B24B37/245—Pads with fixed abrasives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/11—Lapping tools
    • B24B37/20—Lapping pads for working plane surfaces
    • B24B37/26—Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • 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
US13/274,856 2010-10-22 2011-10-17 Method of manufacturing glass substrate for magnetic recording media Abandoned US20120100786A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-237824 2010-10-22
JP2010237824A JP2012089221A (ja) 2010-10-22 2010-10-22 磁気記録媒体用ガラス基板の製造方法

Publications (1)

Publication Number Publication Date
US20120100786A1 true US20120100786A1 (en) 2012-04-26

Family

ID=45973418

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/274,856 Abandoned US20120100786A1 (en) 2010-10-22 2011-10-17 Method of manufacturing glass substrate for magnetic recording media

Country Status (3)

Country Link
US (1) US20120100786A1 (zh)
JP (1) JP2012089221A (zh)
CN (1) CN102554763B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110011833A1 (en) * 2009-07-17 2011-01-20 Ohara Inc. Method of manufacturing substrate for information storage media
US20110204028A1 (en) * 2008-10-07 2011-08-25 Hoya Corporation Method of manufacturing a glass substrate for a magnetic disk
US20120204603A1 (en) * 2011-02-16 2012-08-16 Showa Denko K.K. Method for producing glass substrate for magnetic recording medium

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6011627B2 (ja) * 2012-09-07 2016-10-19 旭硝子株式会社 ガラス基板の研磨方法
WO2014103296A1 (ja) * 2012-12-27 2014-07-03 Hoya株式会社 ハードディスク用ガラス基板の製造方法
CN112428075A (zh) * 2020-12-16 2021-03-02 江西昌浩实业有限公司 一种3d镜面玻璃加工磨口机

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US4599827A (en) * 1985-06-24 1986-07-15 The United States Of America As Represented By The Secretary Of The Army Metallographic preparation of particulate filled aluminum metal matrix composite material
US5131977A (en) * 1989-10-02 1992-07-21 C. Itoh & Co., Ltd. Base plate for recording disc and a method for its manufacture
US5429711A (en) * 1992-09-18 1995-07-04 Mitsubishi Materials Corporation Method for manufacturing wafer
US5681362A (en) * 1990-05-21 1997-10-28 Wiand; Ronald C. Molded abrasive article and process
US5871654A (en) * 1995-03-30 1999-02-16 Ag Technology Co., Ltd. Method for producing a glass substrate for a magnetic disk
US6187441B1 (en) * 1996-12-26 2001-02-13 Hoya Corporation Glass substrate for information recording medium and magnetic recording medium having the substrate
US6227944B1 (en) * 1999-03-25 2001-05-08 Memc Electronics Materials, Inc. Method for processing a semiconductor wafer
US20010041271A1 (en) * 1996-12-27 2001-11-15 Hoya Corporation Glass substrate for information recording medium, method of manufacturing the substrate, magnetic recording medium using the glass substrate, and method of manufacturing the medium
US20010049031A1 (en) * 1999-03-04 2001-12-06 Christopher H. Bajorek Glass substrate for magnetic media and method of making the same
US20020037683A1 (en) * 1999-04-23 2002-03-28 Goers Abrasive article suitable for abrading glass and glass ceramic workpieces
US20020121110A1 (en) * 2000-11-06 2002-09-05 Yasuhiro Saito Method of manufacturing glass substrate for information recording media and glass substrate manufactured using the method
US20030031878A1 (en) * 1999-03-18 2003-02-13 Nippon Sheet Glass Co., Ltd. Glass substrate for use as information recording medium and method of manufacturing such glass substrate
US6553788B1 (en) * 1999-02-23 2003-04-29 Nippon Sheet Glass Co., Ltd. Glass substrate for magnetic disk and method for manufacturing
US20050020188A1 (en) * 2003-06-19 2005-01-27 Mitsuru Saito Polishing pad, method of producing same, and polishing method
US20080032608A1 (en) * 2004-08-27 2008-02-07 Showa Denko K.K. Process for Manufacturing Glass Substrate for Magnetic Recording Medium and Glass Substrate for Magnetic Recording Medium Obtained by the Process
US20080153397A1 (en) * 2006-12-20 2008-06-26 Saint-Gobain Ceramics & Plastics, Inc. Methods for machining inorganic, non-metallic workpieces
US20080200097A1 (en) * 2007-02-20 2008-08-21 Showa Denko K.K. Polishing method and polishing apparatus
US20080220700A1 (en) * 2002-12-26 2008-09-11 Hoya Corporation Glass Substrate for Information Recording Medium and Method for Producing the Same
US20080227370A1 (en) * 2003-08-08 2008-09-18 Shigeo Fujii Substrate for magnetic disk
US7429209B2 (en) * 2002-12-26 2008-09-30 Hoya Corporation Method of polishing a glass substrate for use as an information recording medium
US7736770B2 (en) * 2001-03-27 2010-06-15 Nippon Sheet Glass Co., Ltd. Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate
US20110011833A1 (en) * 2009-07-17 2011-01-20 Ohara Inc. Method of manufacturing substrate for information storage media
US20110030424A1 (en) * 2008-04-14 2011-02-10 Showa Denko K.K. Method of manufacturing substrate for magnetic recording medium
US20110054662A1 (en) * 2009-09-02 2011-03-03 Asahi Glass Company, Limited Laminated substrate separating and accommodating device and method of producing glass substrates
US20110151752A1 (en) * 2009-12-21 2011-06-23 Asahi Glass Company, Limited Process for producing glass substrate
US20110165824A1 (en) * 2002-10-23 2011-07-07 Hoya Corporation Glass substrate for information recording medium and method for manufacturing the same
US20110189505A1 (en) * 2010-02-02 2011-08-04 Asahi Glass Company, Limited Method for manufacturing glass substrate for magnetic recording medium
US8070557B2 (en) * 2007-06-05 2011-12-06 Asahi Glass Company, Limited Method of polishing glass substrate
US20120045971A1 (en) * 2010-08-17 2012-02-23 Showa Denko K.K. Method of manufacturing glass substrate for magnetic recording media
US20120103937A1 (en) * 2010-10-29 2012-05-03 Showa Denko K.K. Method of manufacturing glass substrate for magnetic storage medium
US20120256346A1 (en) * 2003-03-20 2012-10-11 Masahiko Ogino Mold structures, and method of transfer of fine structures
US20130119015A1 (en) * 2010-04-01 2013-05-16 Hoya Corporation Manufacturing method of a glass substrate for a magnetic disk

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08329454A (ja) * 1995-03-30 1996-12-13 A G Technol Kk 磁気ディスク用ガラス基板の製法
JP3050379B2 (ja) * 1998-05-27 2000-06-12 大阪ダイヤモンド工業株式会社 ダイヤモンドラップ定盤
JP2000076649A (ja) * 1998-08-26 2000-03-14 Hitachi Ltd 磁気ディスク、ガラス基板及びそれらの製造方法
JP4005249B2 (ja) * 1999-01-12 2007-11-07 株式会社 ユニップ ガラス基板の表面処理方法
JP4049510B2 (ja) * 1999-03-24 2008-02-20 株式会社オハラ 情報記憶媒体用ガラス基板材またはガラスセラミックス基板材の加工方法
JP2002210640A (ja) * 2001-01-18 2002-07-30 Nippon Sheet Glass Co Ltd ディスク基板の研磨方法
JP2004154919A (ja) * 2002-11-08 2004-06-03 Central Glass Co Ltd 研磨布およびそれを用いた片面研磨方法
JP2006095675A (ja) * 2004-08-30 2006-04-13 Showa Denko Kk 磁気ディスク用基板および磁気ディスクの製造方法
JP2010231841A (ja) * 2009-03-27 2010-10-14 Hoya Corp ガラス基板の製造方法、ガラス基板及び磁気記録媒体
JP2011040144A (ja) * 2009-07-17 2011-02-24 Ohara Inc 情報記録媒体用基板の製造方法

Patent Citations (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599827A (en) * 1985-06-24 1986-07-15 The United States Of America As Represented By The Secretary Of The Army Metallographic preparation of particulate filled aluminum metal matrix composite material
US5131977A (en) * 1989-10-02 1992-07-21 C. Itoh & Co., Ltd. Base plate for recording disc and a method for its manufacture
US5681362A (en) * 1990-05-21 1997-10-28 Wiand; Ronald C. Molded abrasive article and process
US5429711A (en) * 1992-09-18 1995-07-04 Mitsubishi Materials Corporation Method for manufacturing wafer
US5871654A (en) * 1995-03-30 1999-02-16 Ag Technology Co., Ltd. Method for producing a glass substrate for a magnetic disk
US6187441B1 (en) * 1996-12-26 2001-02-13 Hoya Corporation Glass substrate for information recording medium and magnetic recording medium having the substrate
US20010041271A1 (en) * 1996-12-27 2001-11-15 Hoya Corporation Glass substrate for information recording medium, method of manufacturing the substrate, magnetic recording medium using the glass substrate, and method of manufacturing the medium
US6553788B1 (en) * 1999-02-23 2003-04-29 Nippon Sheet Glass Co., Ltd. Glass substrate for magnetic disk and method for manufacturing
US20010049031A1 (en) * 1999-03-04 2001-12-06 Christopher H. Bajorek Glass substrate for magnetic media and method of making the same
US20030031878A1 (en) * 1999-03-18 2003-02-13 Nippon Sheet Glass Co., Ltd. Glass substrate for use as information recording medium and method of manufacturing such glass substrate
US6227944B1 (en) * 1999-03-25 2001-05-08 Memc Electronics Materials, Inc. Method for processing a semiconductor wafer
US20020037683A1 (en) * 1999-04-23 2002-03-28 Goers Abrasive article suitable for abrading glass and glass ceramic workpieces
US20020121110A1 (en) * 2000-11-06 2002-09-05 Yasuhiro Saito Method of manufacturing glass substrate for information recording media and glass substrate manufactured using the method
US7736770B2 (en) * 2001-03-27 2010-06-15 Nippon Sheet Glass Co., Ltd. Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate
US20110165824A1 (en) * 2002-10-23 2011-07-07 Hoya Corporation Glass substrate for information recording medium and method for manufacturing the same
US20080220700A1 (en) * 2002-12-26 2008-09-11 Hoya Corporation Glass Substrate for Information Recording Medium and Method for Producing the Same
US7429209B2 (en) * 2002-12-26 2008-09-30 Hoya Corporation Method of polishing a glass substrate for use as an information recording medium
US7500904B2 (en) * 2002-12-26 2009-03-10 Hoya Corporation Glass substrate for information recording medium and method for producing same
US20120256346A1 (en) * 2003-03-20 2012-10-11 Masahiko Ogino Mold structures, and method of transfer of fine structures
US20050020188A1 (en) * 2003-06-19 2005-01-27 Mitsuru Saito Polishing pad, method of producing same, and polishing method
US20080227370A1 (en) * 2003-08-08 2008-09-18 Shigeo Fujii Substrate for magnetic disk
US20080032608A1 (en) * 2004-08-27 2008-02-07 Showa Denko K.K. Process for Manufacturing Glass Substrate for Magnetic Recording Medium and Glass Substrate for Magnetic Recording Medium Obtained by the Process
US20080153397A1 (en) * 2006-12-20 2008-06-26 Saint-Gobain Ceramics & Plastics, Inc. Methods for machining inorganic, non-metallic workpieces
US20080200097A1 (en) * 2007-02-20 2008-08-21 Showa Denko K.K. Polishing method and polishing apparatus
US8070557B2 (en) * 2007-06-05 2011-12-06 Asahi Glass Company, Limited Method of polishing glass substrate
US20110030424A1 (en) * 2008-04-14 2011-02-10 Showa Denko K.K. Method of manufacturing substrate for magnetic recording medium
US20110011833A1 (en) * 2009-07-17 2011-01-20 Ohara Inc. Method of manufacturing substrate for information storage media
US20110054662A1 (en) * 2009-09-02 2011-03-03 Asahi Glass Company, Limited Laminated substrate separating and accommodating device and method of producing glass substrates
US20110151752A1 (en) * 2009-12-21 2011-06-23 Asahi Glass Company, Limited Process for producing glass substrate
US20110189505A1 (en) * 2010-02-02 2011-08-04 Asahi Glass Company, Limited Method for manufacturing glass substrate for magnetic recording medium
US20130119015A1 (en) * 2010-04-01 2013-05-16 Hoya Corporation Manufacturing method of a glass substrate for a magnetic disk
US20120045971A1 (en) * 2010-08-17 2012-02-23 Showa Denko K.K. Method of manufacturing glass substrate for magnetic recording media
US20120103937A1 (en) * 2010-10-29 2012-05-03 Showa Denko K.K. Method of manufacturing glass substrate for magnetic storage medium

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Title
YOSHIRO-2009-785316-NPL - Yashiro et al., "Development of Lapping and Polishing Technologies of 4H-SiC Wafersfor Power Device Applications", Sept 26, 2008, Material Science Forum Vols 600-603 (2009), pp 819-822. *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110204028A1 (en) * 2008-10-07 2011-08-25 Hoya Corporation Method of manufacturing a glass substrate for a magnetic disk
US8821747B2 (en) * 2008-10-07 2014-09-02 Hoya Corporation Method of manufacturing a glass substrate for a magnetic disk
US20110011833A1 (en) * 2009-07-17 2011-01-20 Ohara Inc. Method of manufacturing substrate for information storage media
US8603350B2 (en) * 2009-07-17 2013-12-10 Ohara Inc. Method of manufacturing substrate for information storage media
US20120204603A1 (en) * 2011-02-16 2012-08-16 Showa Denko K.K. Method for producing glass substrate for magnetic recording medium

Also Published As

Publication number Publication date
CN102554763A (zh) 2012-07-11
JP2012089221A (ja) 2012-05-10
CN102554763B (zh) 2014-08-13

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SHOWA DENKO K.K., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HANEDA, KAZUYUKI;REEL/FRAME:027073/0110

Effective date: 20111011

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION