CN101611444B - 磁盘用基板、磁盘以及磁盘装置 - Google Patents

磁盘用基板、磁盘以及磁盘装置 Download PDF

Info

Publication number
CN101611444B
CN101611444B CN2008800027863A CN200880002786A CN101611444B CN 101611444 B CN101611444 B CN 101611444B CN 2008800027863 A CN2008800027863 A CN 2008800027863A CN 200880002786 A CN200880002786 A CN 200880002786A CN 101611444 B CN101611444 B CN 101611444B
Authority
CN
China
Prior art keywords
substrate
disk
type surface
deviates
glass substrate
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.)
Active
Application number
CN2008800027863A
Other languages
English (en)
Chinese (zh)
Other versions
CN101611444A (zh
Inventor
滝泽利雄
K·潘东
西森贤一
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.)
Hoya Corp
Hoya Glass Disk Thailand Ltd
Original Assignee
Hoya Corp
Hoya Glass Disk Thailand 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 Hoya Corp, Hoya Glass Disk Thailand Ltd filed Critical Hoya Corp
Priority to CN201210184599.XA priority Critical patent/CN102708877B/zh
Priority claimed from PCT/JP2008/052710 external-priority patent/WO2008102751A1/ja
Publication of CN101611444A publication Critical patent/CN101611444A/zh
Application granted granted Critical
Publication of CN101611444B publication Critical patent/CN101611444B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
CN2008800027863A 2007-02-20 2008-02-19 磁盘用基板、磁盘以及磁盘装置 Active CN101611444B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210184599.XA CN102708877B (zh) 2007-02-20 2008-02-19 磁盘用基板、磁盘以及磁盘装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP038927/2007 2007-02-20
JP2007038926 2007-02-20
JP038926/2007 2007-02-20
JP2007038927 2007-02-20
PCT/JP2008/052710 WO2008102751A1 (ja) 2007-02-20 2008-02-19 磁気ディスク用基板および磁気ディスク

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201210184599.XA Division CN102708877B (zh) 2007-02-20 2008-02-19 磁盘用基板、磁盘以及磁盘装置

Publications (2)

Publication Number Publication Date
CN101611444A CN101611444A (zh) 2009-12-23
CN101611444B true CN101611444B (zh) 2012-10-10

Family

ID=39907412

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008800027863A Active CN101611444B (zh) 2007-02-20 2008-02-19 磁盘用基板、磁盘以及磁盘装置

Country Status (2)

Country Link
JP (2) JP5500776B2 (ja)
CN (1) CN101611444B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9583128B2 (en) 2012-09-28 2017-02-28 Hoya Corporation Magnetic-disk glass substrate and magnetic disk
CN108198577B (zh) * 2012-12-29 2019-04-23 Hoya株式会社 磁盘用玻璃基板和磁盘
JP5763852B2 (ja) 2013-03-01 2015-08-12 Hoya株式会社 磁気ディスク用ガラス基板および磁気ディスク
WO2015099178A1 (ja) * 2013-12-26 2015-07-02 Hoya株式会社 磁気ディスク用基板、磁気ディスク、及び磁気ディスクドライブ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6595028B1 (en) * 1999-09-30 2003-07-22 Hoya Corporation Chemical reinforced glass substrate having desirable edge profile and method of manufacturing the same
CN1773611A (zh) * 2001-05-14 2006-05-17 Hoya株式会社 磁记录介质用玻璃基板及其制造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3568888B2 (ja) * 1999-09-30 2004-09-22 Ｈｏｙａ株式会社 情報記録媒体用ガラス基板、情報記録媒体、及びそれらの製造方法
JP2003242627A (ja) * 2002-02-14 2003-08-29 Nippon Sheet Glass Co Ltd 情報記録媒体用ガラス基板
JP4209316B2 (ja) * 2003-12-12 2009-01-14 Ｈｏｙａ株式会社 情報記録媒体用ガラス基板の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6595028B1 (en) * 1999-09-30 2003-07-22 Hoya Corporation Chemical reinforced glass substrate having desirable edge profile and method of manufacturing the same
CN1773611A (zh) * 2001-05-14 2006-05-17 Hoya株式会社 磁记录介质用玻璃基板及其制造方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2001-41736A 2001.02.16
JP特开平6-274871A 1994.09.30

Also Published As

Publication number Publication date
JP2008234823A (ja) 2008-10-02
JP5714085B2 (ja) 2015-05-07
JP2014041695A (ja) 2014-03-06
JP5500776B2 (ja) 2014-05-21
CN101611444A (zh) 2009-12-23

Similar Documents

Publication Publication Date Title
CN102708877B (zh) 磁盘用基板、磁盘以及磁盘装置
CN102077278B (zh) 磁盘用基板及其制造方法以及磁盘
CN102077279B (zh) 磁盘用基板以及磁盘
CN100440326C (zh) 磁盘用玻璃基板以及磁盘
US9704526B2 (en) Glass substrate for magnetic disk and magnetic recording medium
CN103282160A (zh) 磁盘用玻璃基板的制造方法以及磁盘的制造方法
CN103035257A (zh) 磁盘用玻璃基板的制造方法、磁盘、磁记录再生装置
CN101611444B (zh) 磁盘用基板、磁盘以及磁盘装置
CN105051816B (zh) 磁盘用玻璃基板的制造方法和磁盘的制造方法、以及研磨垫
US20100081013A1 (en) Magnetic disk substrate and magnetic disk
CN102376314A (zh) 磁记录介质用玻璃基板的制造方法
JP5714086B2 (ja) 磁気ディスク用基板および磁気ディスク
CN104160444A (zh) 信息记录介质用玻璃基板的制造方法
CN103978422A (zh) 磁记录介质用玻璃基板的制造方法及磁记录介质用玻璃基板
JP2011198428A (ja) 磁気ディスク用ガラス基板およびその評価方法
JP2005225713A (ja) 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
JP5111818B2 (ja) 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
JP6307407B2 (ja) ガラス基板の製造方法
JP5492276B2 (ja) 磁気ディスク用ガラス基板及び磁気ディスク
JP2010073289A (ja) 磁気ディスク用基板および磁気ディスク
JP5234740B2 (ja) 磁気ディスク用基板の製造方法および磁気ディスクの製造方法
JP2005228405A (ja) 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant