SG165289A1 - Glass substrate for a magnetic disk and method of manufacturing the same - Google Patents

Glass substrate for a magnetic disk and method of manufacturing the same

Info

Publication number
SG165289A1
SG165289A1 SG201002171-5A SG2010021715A SG165289A1 SG 165289 A1 SG165289 A1 SG 165289A1 SG 2010021715 A SG2010021715 A SG 2010021715A SG 165289 A1 SG165289 A1 SG 165289A1
Authority
SG
Singapore
Prior art keywords
glass substrate
magnetic disk
manufacturing
same
glass
Prior art date
Application number
SG201002171-5A
Inventor
Takanori Mizuno
Junpei Fukada
Hiroshi Tsuchiya
Original Assignee
Hoya Corp
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 filed Critical Hoya Corp
Publication of SG165289A1 publication Critical patent/SG165289A1/en

Links

Abstract

A glass substrate is for use in a magnetic disk. The glass substrate is formed by using a plate-like glass produced by a float method and having a pair of main surfaces. One surface of the main surfaces, which is formed with a tin layer when producing the plate-like glass by the float method, is caused to serve as a surface not for use in magnetic recording and the other surface formed with no tin layer is caused to serve as a surface for use in magnetic recording.
SG201002171-5A 2009-03-30 2010-03-29 Glass substrate for a magnetic disk and method of manufacturing the same SG165289A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009081697 2009-03-30
JP2009296924A JP2010257563A (en) 2009-03-30 2009-12-28 Glass substrate for magnetic disk and manufacturing method of the same

Publications (1)

Publication Number Publication Date
SG165289A1 true SG165289A1 (en) 2010-10-28

Family

ID=43318301

Family Applications (1)

Application Number Title Priority Date Filing Date
SG201002171-5A SG165289A1 (en) 2009-03-30 2010-03-29 Glass substrate for a magnetic disk and method of manufacturing the same

Country Status (2)

Country Link
JP (1) JP2010257563A (en)
SG (1) SG165289A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012160818A1 (en) * 2011-05-23 2012-11-29 Hoya株式会社 Method of manufacturing glass substrate for magnetic disk

Also Published As

Publication number Publication date
JP2010257563A (en) 2010-11-11

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