Semiconductor device manufacturing: process – Chemical etching – Having liquid and vapor etching steps
Reexamination Certificate
2006-12-12
2006-12-12
Norton, Nadine G. (Department: 1765)
Semiconductor device manufacturing: process
Chemical etching
Having liquid and vapor etching steps
C438S707000, C438S715000
Reexamination Certificate
active
07148148
ABSTRACT:
A mask forming method that can reduce manufacturing cost is disclosed. The method forms a mask on the surface of a member to be processed in order to form a desired pattern using liquid material for patterning. The method also includes applying resist to the entire surface of the member to be processed, drying the applied resist, patterning by removing the resist in a pattern-formation area using photolithography, and heating the resist.
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Asuke Shintaro
Miyakawa Takuya
Mori Yoshiaki
Sato Mitsuru
Takagi Ken-ichi
Norton Nadine G.
Seiko Epson Corporation
Tran Binh X.
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