PH12012000400A1 - Glass substrate for magnetic recording medium and magnetic recording medium - Google Patents

Glass substrate for magnetic recording medium and magnetic recording medium

Info

Publication number
PH12012000400A1
PH12012000400A1 PH12012000400A PH12012000400A PH12012000400A1 PH 12012000400 A1 PH12012000400 A1 PH 12012000400A1 PH 12012000400 A PH12012000400 A PH 12012000400A PH 12012000400 A PH12012000400 A PH 12012000400A PH 12012000400 A1 PH12012000400 A1 PH 12012000400A1
Authority
PH
Philippines
Prior art keywords
recording medium
magnetic recording
glass substrate
load
anelasticity
Prior art date
Application number
PH12012000400A
Other languages
English (en)
Other versions
PH12012000400B1 (en
Inventor
Raita Tasaki
Haruhiko Otsuka
Original Assignee
Asahi Glass Co 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of PH12012000400A1 publication Critical patent/PH12012000400A1/en
Publication of PH12012000400B1 publication Critical patent/PH12012000400B1/en

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
PH12012000400A 2011-12-22 2012-12-21 Glass substrate for magnetic recording medium and magnetic recording medium PH12012000400B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011282327A JP5310834B2 (ja) 2011-12-22 2011-12-22 磁気記録媒体用ガラス基板および磁気記録媒体

Publications (2)

Publication Number Publication Date
PH12012000400A1 true PH12012000400A1 (en) 2015-02-23
PH12012000400B1 PH12012000400B1 (en) 2015-02-23

Family

ID=48632555

Family Applications (2)

Application Number Title Priority Date Filing Date
PH12012000400A PH12012000400B1 (en) 2011-12-22 2012-12-21 Glass substrate for magnetic recording medium and magnetic recording medium
PH12013000297A PH12013000297A1 (en) 2011-12-22 2013-10-02 Glass substrate for magnetic recording medium and magnetic recording medium

Family Applications After (1)

Application Number Title Priority Date Filing Date
PH12013000297A PH12013000297A1 (en) 2011-12-22 2013-10-02 Glass substrate for magnetic recording medium and magnetic recording medium

Country Status (4)

Country Link
JP (1) JP5310834B2 (zh)
CN (2) CN103626406B (zh)
PH (2) PH12012000400B1 (zh)
SG (2) SG191513A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5920403B2 (ja) * 2013-06-21 2016-05-18 旭硝子株式会社 磁気記録媒体の製造方法および磁気記録媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101417861A (zh) * 2007-10-26 2009-04-29 旭硝子株式会社 信息记录媒体基板用玻璃、磁盘用玻璃基板及磁盘
JP2011040145A (ja) * 2009-07-17 2011-02-24 Ohara Inc 情報記録媒体用基板の製造方法
US8603350B2 (en) * 2009-07-17 2013-12-10 Ohara Inc. Method of manufacturing substrate for information storage media
CN102811957A (zh) * 2010-03-31 2012-12-05 Hoya株式会社 磁记录介质玻璃基板用玻璃坯料的制造方法、磁记录介质玻璃基板的制造方法以及磁记录介质的制造方法

Also Published As

Publication number Publication date
SG194411A1 (en) 2013-11-29
CN103172276A (zh) 2013-06-26
SG191513A1 (en) 2013-07-31
CN103626406B (zh) 2016-04-27
CN103626406A (zh) 2014-03-12
JP5310834B2 (ja) 2013-10-09
CN103172276B (zh) 2016-08-03
PH12012000400B1 (en) 2015-02-23
PH12013000297A1 (en) 2015-05-11
JP2013131281A (ja) 2013-07-04

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