MY169090A - Polishing composition for magnetic disk substrate - Google Patents

Polishing composition for magnetic disk substrate

Info

Publication number
MY169090A
MY169090A MYPI2013004474A MYPI2013004474A MY169090A MY 169090 A MY169090 A MY 169090A MY PI2013004474 A MYPI2013004474 A MY PI2013004474A MY PI2013004474 A MYPI2013004474 A MY PI2013004474A MY 169090 A MY169090 A MY 169090A
Authority
MY
Malaysia
Prior art keywords
magnetic disk
polishing composition
disk substrate
abrasive grains
silica abrasive
Prior art date
Application number
MYPI2013004474A
Inventor
Ohashi Masanori
Matsunami Yasushi
Yokomichi Noritaka
Original Assignee
Fujimi 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 Fujimi Corp filed Critical Fujimi Corp
Publication of MY169090A publication Critical patent/MY169090A/en

Links

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

A polishing composition for a magnetic disk substrate comprising silica abrasive grains of at least one type is provided. The silica abrasive grains have an average aspect ratio equal to or greater than 1.15.
MYPI2013004474A 2012-12-12 2013-12-11 Polishing composition for magnetic disk substrate MY169090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012271689A JP6259182B2 (en) 2012-12-12 2012-12-12 Polishing liquid for primary polishing of magnetic disk substrate with nickel phosphorus plating

Publications (1)

Publication Number Publication Date
MY169090A true MY169090A (en) 2019-02-18

Family

ID=51171891

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2013004474A MY169090A (en) 2012-12-12 2013-12-11 Polishing composition for magnetic disk substrate

Country Status (2)

Country Link
JP (1) JP6259182B2 (en)
MY (1) MY169090A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5853117B1 (en) * 2014-06-30 2016-02-09 花王株式会社 Polishing liquid composition for magnetic disk substrate
JP6480139B2 (en) * 2014-09-30 2019-03-06 株式会社フジミインコーポレーテッド Polishing composition
JP6559410B2 (en) * 2014-09-30 2019-08-14 株式会社フジミインコーポレーテッド Polishing composition
JP6730859B2 (en) * 2015-07-15 2020-07-29 株式会社フジミインコーポレーテッド Polishing composition and method for manufacturing magnetic disk substrate
JP6656867B2 (en) * 2015-09-30 2020-03-04 株式会社フジミインコーポレーテッド Polishing composition for magnetic disk substrate, method for manufacturing magnetic disk substrate, and magnetic disk substrate
WO2017061109A1 (en) * 2015-10-07 2017-04-13 三洋化成工業株式会社 Abrasive agent for magnetic disk and method for producing magnetic disk
WO2017094592A1 (en) * 2015-11-30 2017-06-08 花王株式会社 Polishing liquid composition for magnetic disk substrate
JP6677558B2 (en) * 2016-03-31 2020-04-08 株式会社フジミインコーポレーテッド Composition for polishing magnetic disk substrate, method for manufacturing magnetic disk substrate and polishing method
JP6637817B2 (en) * 2016-03-31 2020-01-29 株式会社フジミインコーポレーテッド Composition for polishing magnetic disk substrate, method for manufacturing magnetic disk substrate and polishing method
JP7262197B2 (en) * 2018-09-28 2023-04-21 株式会社フジミインコーポレーテッド Polishing composition and its use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006080406A (en) * 2004-09-13 2006-03-23 Catalysts & Chem Ind Co Ltd Composition for polishing
WO2007018069A1 (en) * 2005-08-10 2007-02-15 Catalysts & Chemicals Industries Co., Ltd. Deformed silica sol and process for producing the same
JP5615529B2 (en) * 2009-11-16 2014-10-29 日揮触媒化成株式会社 Inorganic oxide fine particle dispersion, polishing particle dispersion, and polishing composition
JP2012155785A (en) * 2011-01-25 2012-08-16 Showa Denko Kk Method for manufacturing substrate for magnetic recording medium

Also Published As

Publication number Publication date
JP2014116057A (en) 2014-06-26
JP6259182B2 (en) 2018-01-10

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