APPARATUS AND METHOD FOR INSPECTING CHAMFER ANGLE OF MEMORY DISC SUBSTRATE AND MANUFACTURING THE SUBSTRATE, MEMORY DISC SUBSTRATE SET AND METHOD FOR INSPECTING AND MANUFACTURING THE SET

Details for Australian Patent Application No. 2002219543 (hide)

Owner SHOWA DENKO K.K.

Inventors NEMOTO, Masayuki; TAKASAKA, Akifumi

Pub. Number AU-A-2002219543

PCT Pub. Number WO2002/054392

Priority 2000-402103 28.12.00 JP; 60/310,846 09.08.01 US

Filing date 27 December 2001

Wipo publication date 16 July 2002

International Classifications

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

Event Publications

23 January 2003 Application Open to Public Inspection

  Published as AU-A-2002219543

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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