Method for producing a disk-shaped substrate and method for...

Details Method for producing a disk-shaped substrate and method for... Method for producing a disk-shaped substrate and method for...

2006-09-05

2006-09-05

Meeks, Timothy (Department: 1762)

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

C156S349000, C156S379000, C156S510000, C156S583200, C427S128000, C427S131000, C427S132000, C427S164000, C427S240000, C427S246000, C427S289000, C427S385500, C427S404000, C427S407100, C427S532000, C427S585000, C427S595000

Reexamination Certificate

active

07101593

ABSTRACT:
A method for producing a disk-shaped substrate10used for producing an optical disk includes: (a) forming a protective layer12athat is larger in area than the disk-shaped substrate10on a surface of a transparent plate11a; and (b) cutting a portion of the plate11awith the protective layer12aformed thereon other than an outer edge portion of the protective layer12ato form a disk shape. According to this producing method, a thin substrate can be prevented from being damaged by forming a protective layer. Furthermore, according to this producing method, a protective layer with a uniform thickness can be formed.

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