Semiconductor device manufacturing: process – Chemical etching
Reexamination Certificate
2005-04-05
2005-04-05
Chen, Kin-Chan (Department: 1765)
Semiconductor device manufacturing: process
Chemical etching
C438S725000, C216S044000
Reexamination Certificate
active
06875695
ABSTRACT:
A master wafer is replicated by creating a mold by plating a nickel electroform on a surface of a silicon wafer. Thereafter, a child wafer is prepared with a layer of photoresist or similar material that is compatible with plasma-etching techniques. Thereafter, the mold shape is transferred to the photoresist through compression molding, thereafter the child wafer is etched.
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Banish Michele
Harchanko John S.
Chen Kin-Chan
Keady, Olds, Maier & Richardson PLLC
Mems Optical Inc.
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