Fused silica pellicle in intimate contact with the surface...

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask

Reexamination Certificate

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Details

C428S014000

Reexamination Certificate

active

07351503

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.

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