GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND METHOD FOR PRODUCING SAME

Details for Australian Patent Application No. 2003292787 (hide)

Owner NIPPON SHEET GLASS COMPANY, LIMITED

Inventors MINAMI, Akihide; SUZUKI, Koichi; HORISAKA, Tamaki

Pub. Number AU-A-2003292787

PCT Number PCT/JP2003/0166

PCT Pub. Number WO2004/058451

Priority 2002-378736 26.12.02 JP

Filing date 25 December 2003

Wipo publication date 22 July 2004

International Classifications

B24B 037/00 Lapping machines or devices, i.e. requiring pulverulent abrading substances inserted between a lap of relatively soft but rigid material and the surface to be lapped

G11B 005/73 Recording by magnetisation or demagnetisation of a record carrier

G11B 005/84 Recording by magnetisation or demagnetisation of a record carrier - Processes or apparatus specially adapted for manufacturing record carriers

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 2002-378736 26.12.02 JP

26 August 2004 Application Open to Public Inspection

  Published as AU-A-2003292787

15 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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