Stamper, imprinting method, and method of manufacturing an...

Details Stamper, imprinting method, and method of manufacturing an... Stamper, imprinting method, and method of manufacturing an...

2006-09-29

2010-10-12

Ewald, Maria Veronica D (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Surface deformation means only

C425S810000, C264S001330

Reexamination Certificate

active

07811077

ABSTRACT:
There is provided a stamper on which stamper-side concave/convex patterns are formed and which is capable of manufacturing an information recording medium on which at least servo patterns are formed by concave/convex patterns. First convex parts that are continuously formed along a direction corresponding to a radial direction of the information recording medium are formed in the stamper-side concave/convex patterns. Each of the first convex parts is formed so that a height of a part of the first convex part from a reference plane, which is set between a front surface and a rear surface of the stamper, to protruding end of the first convex part increases as a length of the part of the first convex part in a direction corresponding to a circumferential direction of the information recording medium increases.

REFERENCES:
patent: 5772905 (1998-06-01), Chou
patent: 6748865 (2004-06-01), Sakurai et al.
patent: 2005/0285308 (2005-12-01), Hattori et al.
patent: 2003-100609 (2003-04-01), None
patent: 2003-157520 (2003-05-01), None
patent: 2005-293633 (2005-10-01), None
patent: 2005-353164 (2005-12-01), None
Translation of JP2005-353164, Hattori, et al, Dec. 2005.
English Language Abstract of JP 2003-157520.
English Language Abstract of JP 2003-100609.
English Language Abstract of JP 2005-353164.
U.S. Appl. No. 11/536,954 to Hattori et al., filed Sep. 29, 2006.
English language Abstract and computer-generated translation of JP 2005-293633.
English language computer-generated translation of JP 2003-157520.
English language computer-generated translation of JP 2003-100609.

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