Etching a substrate: processes – Forming or treating mask used for its nonetching function
Reexamination Certificate
2005-05-10
2005-05-10
Olsen, Allan (Department: 1763)
Etching a substrate: processes
Forming or treating mask used for its nonetching function
C427S125000
Reexamination Certificate
active
06890447
ABSTRACT:
A sacrificial film is formed on a substrate and a mask layer is formed on the sacrificial film. An opening having a predetermined pattern is formed through the mask layer. The sacrificial film exposed in the opening is removed to form a cave broader than the opening on the substrate. A noble metal thin film is deposited on the whole substrate surface. The sacrificial film12is dissolved and removed to form a noble metal thin film pattern.
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Copy of Korean Office Action dated Jul. 22, 2004 (and English translation of relevant portion).
Naito Hiroshi
Natsume Kiyoshi
Dickstein Shapiro Morin & Oshinsky LLP.
Olsen Allan
Yamaha Corporation
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