Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Reexamination Certificate
2007-03-27
2009-08-18
Daniels, Matthew J. (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
C264S293000, C428S848100, C977S887000
Reexamination Certificate
active
07575705
ABSTRACT:
An imprint stamper for manufacturing a recording medium includes a first transfer region which corresponds to a servo region of a recording medium using a sector servo system and has a pattern with a plurality of quadrilateral recess or protrusion portions formed in a surface thereof, and a second transfer region which corresponds to a data region of the recording medium and has a pattern with a plurality of dots of recess or protrusion portions arrayed in a form of a hexagonal lattice in a surface thereof.
REFERENCES:
patent: 6228562 (2001-05-01), Kawanishi
patent: 6757116 (2004-06-01), Curtiss et al.
patent: 6841224 (2005-01-01), Kamata et al.
patent: 6977108 (2005-12-01), Hieda et al.
patent: 2002/0168548 (2002-11-01), Sakurai et al.
patent: 2005/0069732 (2005-03-01), Kamata et al.
patent: 2006/0076509 (2006-04-01), Okino et al.
patent: 3-280231 (1991-12-01), None
patent: 11-224422 (1999-08-01), None
patent: 2000-306227 (2000-11-01), None
patent: 2002-334414 (2002-11-01), None
U.S. Appl. No. 11/691,774, filed Mar. 27, 2007, Sakurai, et al.
Kamata Yoshiyuki
Sakurai Masatoshi
Daniels Matthew J.
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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