Photocopying – Projection printing and copying cameras – Detailed holder for original
Reexamination Certificate
2005-05-17
2005-05-17
Nguyen, Henry Hung (Department: 2851)
Photocopying
Projection printing and copying cameras
Detailed holder for original
Reexamination Certificate
active
06894766
ABSTRACT:
A method for constructing a photomask assembly using an encoded mark is disclosed. The method includes comparing a first encoded mark located on a photomask with a second encoded mark located on a pellicle. The first encoded mark includes one or more first symbols and the second encoded mark includes one or more second symbols. The method further includes mounting the pellicle on the photomask if at least one of the symbols of the first encoded mark matches at least one of the symbols of the second encoded mark.
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Carroll, III James A.
Gordon Joseph S.
MacDonald Susan S.
Storm Glenn Edward
West Craig A.
Baker & Botts L.L.P.
DuPont Photomasks, Inc.
Nguyen Henry Hung
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