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GB2382818B - Polishing composition for a magnetic disc substrate and polishing process using the same - Google Patents

Polishing composition for a magnetic disc substrate and polishing process using the same

Info

Publication number
GB2382818B
GB2382818B GB0222363A GB0222363A GB2382818B GB 2382818 B GB2382818 B GB 2382818B GB 0222363 A GB0222363 A GB 0222363A GB 0222363 A GB0222363 A GB 0222363A GB 2382818 B GB2382818 B GB 2382818B
Authority
GB
United Kingdom
Prior art keywords
polishing
same
magnetic disc
disc substrate
polishing process
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.)
Expired - Fee Related
Application number
GB0222363A
Other versions
GB2382818A (en
GB0222363D0 (en
Inventor
Tomohide Kamiya
Hiroyasu Sugiyama
Toshiki Owaki
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.)
Fujimi Inc
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 GB0222363D0 publication Critical patent/GB0222363D0/en
Publication of GB2382818A publication Critical patent/GB2382818A/en
Application granted granted Critical
Publication of GB2382818B publication Critical patent/GB2382818B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1454—Abrasive powders, suspensions and pastes for polishing
    • C09K3/1472—Non-aqueous liquid suspensions
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09G—POLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00—Polishing compositions
    • C09G1/02—Polishing compositions containing abrasives or grinding agents
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
GB0222363A 2001-09-27 2002-09-17 Polishing composition for a magnetic disc substrate and polishing process using the same Expired - Fee Related GB2382818B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001298335 2001-09-27
JP2002122162A JP2003170349A (en) 2001-09-27 2002-04-24 Composition for polishing of substrate for magnetic disc and polishing method using it

Publications (3)

Publication Number Publication Date
GB0222363D0 GB0222363D0 (en) 2002-11-06
GB2382818A GB2382818A (en) 2003-06-11
GB2382818B true GB2382818B (en) 2005-10-19

Family

ID=26623164

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0222363A Expired - Fee Related GB2382818B (en) 2001-09-27 2002-09-17 Polishing composition for a magnetic disc substrate and polishing process using the same

Country Status (3)

Country Link
JP (1) JP2003170349A (en)
GB (1) GB2382818B (en)
MY (2) MY158135A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4249008B2 (en) 2003-12-25 2009-04-02 株式会社フジミインコーポレーテッド Polishing composition and polishing method using the same
JP2006021259A (en) * 2004-07-06 2006-01-26 Fuji Electric Device Technology Co Ltd Polishing method of magnetic disk base board and magnetic disk medium
JP4648367B2 (en) * 2004-08-09 2011-03-09 花王株式会社 Polishing liquid composition
JP4954462B2 (en) * 2004-10-19 2012-06-13 株式会社フジミインコーポレーテッド Composition for selective polishing of silicon nitride film and polishing method using the same
US20060124026A1 (en) * 2004-12-10 2006-06-15 3M Innovative Properties Company Polishing solutions
JP5576634B2 (en) * 2008-11-05 2014-08-20 山口精研工業株式会社 Abrasive composition and method for polishing magnetic disk substrate
JP6125814B2 (en) * 2012-07-05 2017-05-10 花王株式会社 Manufacturing method of magnetic disk substrate
JP6125815B2 (en) * 2012-07-05 2017-05-10 花王株式会社 Manufacturing method of magnetic disk substrate
CN105086836A (en) * 2015-08-19 2015-11-25 三峡大学 Cerium oxide polishing solution and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07216345A (en) * 1994-02-04 1995-08-15 Fujimi Inkooporeetetsudo:Kk Abrasive composition
EP0831136A2 (en) * 1996-09-24 1998-03-25 Cabot Corporation Multi-oxidizer slurry for chemical mechanical polishing
US5783489A (en) * 1996-09-24 1998-07-21 Cabot Corporation Multi-oxidizer slurry for chemical mechanical polishing
US20010018720A1 (en) * 2000-01-05 2001-08-30 Andreas Weigl Method and device for the exchange of data between at least two users connected to a bus system
GB2371555A (en) * 2000-11-29 2002-07-31 Fujimi Inc Polishing compositions for magnetic disks
GB2375116A (en) * 2001-03-29 2002-11-06 Fujimi Inc A polishing composition comprising silicon dioxide, an oxidizing agent and an organic acid and its use in polishing a memory hard disk

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07216345A (en) * 1994-02-04 1995-08-15 Fujimi Inkooporeetetsudo:Kk Abrasive composition
EP0831136A2 (en) * 1996-09-24 1998-03-25 Cabot Corporation Multi-oxidizer slurry for chemical mechanical polishing
US5783489A (en) * 1996-09-24 1998-07-21 Cabot Corporation Multi-oxidizer slurry for chemical mechanical polishing
US20010018720A1 (en) * 2000-01-05 2001-08-30 Andreas Weigl Method and device for the exchange of data between at least two users connected to a bus system
GB2371555A (en) * 2000-11-29 2002-07-31 Fujimi Inc Polishing compositions for magnetic disks
GB2375116A (en) * 2001-03-29 2002-11-06 Fujimi Inc A polishing composition comprising silicon dioxide, an oxidizing agent and an organic acid and its use in polishing a memory hard disk

Also Published As

Publication number Publication date
GB2382818A (en) 2003-06-11
GB0222363D0 (en) 2002-11-06
JP2003170349A (en) 2003-06-17
MY129705A (en) 2007-04-30
MY158135A (en) 2016-08-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100927