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MY175401A - Polishing composition and method for producing magnetic disk substrate - Google Patents

Polishing composition and method for producing magnetic disk substrate

Info

Publication number
MY175401A
MY175401A MYPI2015000939A MYPI2015000939A MY175401A MY 175401 A MY175401 A MY 175401A MY PI2015000939 A MYPI2015000939 A MY PI2015000939A MY PI2015000939 A MYPI2015000939 A MY PI2015000939A MY 175401 A MY175401 A MY 175401A
Authority
MY
Malaysia
Prior art keywords
polishing composition
polishing
magnetic disk
disk substrate
producing magnetic
Prior art date
Application number
MYPI2015000939A
Inventor
Yokomichi Noritaka
Matsunami Yasushi
Oohashi Masanori
Makino Yusuke
Original Assignee
Fujimi Inc
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 Inc filed Critical Fujimi Inc
Publication of MY175401A publication Critical patent/MY175401A/en

Links

Landscapes

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

Abstract

To provide a polishing composition capable of suppressing a reduction in polishing rate due to long-time use of a polishing pad. Provided is a polishing composition used for polishing magnetic disk substrates. The polishing composition includes silica abrasives having an average minor axis length, Ds, and inorganic particles having an average particle diameter, Db, that is less than 50% of the average minor axis length, Ds. The most illustrative drawing: Figure 1
MYPI2015000939A 2014-04-16 2015-04-10 Polishing composition and method for producing magnetic disk substrate MY175401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014085019A JP6362395B2 (en) 2014-04-16 2014-04-16 Polishing composition and method for manufacturing magnetic disk substrate

Publications (1)

Publication Number Publication Date
MY175401A true MY175401A (en) 2020-06-24

Family

ID=54597499

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2015000939A MY175401A (en) 2014-04-16 2015-04-10 Polishing composition and method for producing magnetic disk substrate

Country Status (2)

Country Link
JP (1) JP6362395B2 (en)
MY (1) MY175401A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6659449B2 (en) * 2016-05-09 2020-03-04 山口精研工業株式会社 Abrasive composition for electroless nickel-phosphorus plated aluminum magnetic disk substrate
CN111318956A (en) * 2018-12-13 2020-06-23 夏泰鑫半导体(青岛)有限公司 Polyurethane polishing pad, method for producing same, and chemical mechanical polishing apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4346712B2 (en) * 1998-11-20 2009-10-21 スピードファム株式会社 Wafer edge polishing method
JP4373776B2 (en) * 2003-02-05 2009-11-25 花王株式会社 Polishing liquid composition
JP2004253058A (en) * 2003-02-20 2004-09-09 Kao Corp Polishing liquid composition
JP2007123523A (en) * 2005-10-27 2007-05-17 Ebara Corp Polishing method, polishing device, and electrolytic polishing device
JP4827805B2 (en) * 2007-08-01 2011-11-30 山口精研工業株式会社 Precision polishing composition for hard and brittle materials
JP5495508B2 (en) * 2008-05-23 2014-05-21 日揮触媒化成株式会社 Abrasive particle dispersion and method for producing the same
JP6122783B2 (en) * 2012-02-17 2017-04-26 株式会社フジミインコーポレーテッド Polishing composition and method for producing semiconductor substrate
MY186419A (en) * 2014-03-28 2021-07-22 Yamaguchi Seiken Kogyo Co Ltd Polishing composition and method for polishing magnetic disk substrate

Also Published As

Publication number Publication date
JP2015204127A (en) 2015-11-16
JP6362395B2 (en) 2018-07-25

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