Etching a substrate: processes – Forming or treating an ornamented article
Reexamination Certificate
2004-05-21
2008-12-23
Olsen, Allan (Department: 1792)
Etching a substrate: processes
Forming or treating an ornamented article
C216S052000
Reexamination Certificate
active
07468141
ABSTRACT:
In order to transcribe a pattern without seams of a photomask onto the whole or part of a die having a three-dimensional shape, a general-purpose polyester film coated with a photosensitive material is used as a photomask and, after forming a pattern, the photomask is struck through vacuum molding or the like to a die molded into the same shape as that of a die to be exposed and developed.
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Tokura Kunihiko
Uryu Masaru
Lerner David Littenberg Krumholz & Mentlik LLP
Olsen Allan
Sony Corporation
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