Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Reexamination Certificate
2005-04-05
2005-04-05
Letscher, Geraldine (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Radiation mask
C430S007000, C430S022000, C430S023000, C430S322000
Reexamination Certificate
active
06875542
ABSTRACT:
A method of manufacturing a mask includes attaching to a first substrate formed with an opening a second substrate formed with a plurality of penetrating holes. The plurality of penetrating holes are disposed inside the opening. The first substrate and the second substrate may be joined together by anode coupling. First and second alignment marks may be used for positioning the second substrate and the first substrate when attaching the second substrate to the first substrate.
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Letscher Geraldine
Oliff & Berridg,e PLC
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