Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Reexamination Certificate
2008-04-01
2008-04-01
Rosasco, S. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Radiation mask
C428S014000
Reexamination Certificate
active
10733723
ABSTRACT:
A fused silica pellicle for use on photomasks having increased durability and improved transmission uniformity and birefringence properties. The pellicle is to be intimately secured to the patterned surface of a photomask.
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U.S. Appl. No. 60/283,114, filed Apr. 11, 2001, Franklin D. Kalk.
Amster Rothstein & Ebenstein LLP
Photronics, Inc.
Rosasco S.
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