Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Reexamination Certificate
2006-11-07
2006-11-07
Rosasco, S. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Radiation mask
Reexamination Certificate
active
07132202
ABSTRACT:
A mask for laser irradiation includes a base substrate, a laser beam shielding pattern on a first surface of the base substrate, wherein the laser beam shielding pattern is made of an opaque metallic material and has laser beam transmitting portions spaced apart from each other, and an anti-thermal oxidation layer covering the laser beam shielding pattern, wherein a second surface of the base substrate is an incident surface of a laser beam.
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