Etching a substrate: processes – Forming or treating electrical conductor article – Forming or treating of groove or through hole
Reexamination Certificate
2011-05-31
2011-05-31
Norton, Nadine G (Department: 1713)
Etching a substrate: processes
Forming or treating electrical conductor article
Forming or treating of groove or through hole
C216S020000, C216S037000, C257S208000, C257S210000, C257S691000, C257S736000, C257S786000
Reexamination Certificate
active
07951302
ABSTRACT:
A method for forming a bump of a probe card is disclosed. In accordance with the method, a bump having a high aspect ratio for supporting a probe tip and a probe beam is formed using a semiconductor substrate as a mold eliminating a need for a photoresist film.
REFERENCES:
patent: 5134365 (1992-07-01), Okubo et al.
patent: 6127729 (2000-10-01), Fukuda
patent: 6215321 (2001-04-01), Nakata
patent: 7235413 (2007-06-01), Hasebe et al.
Cho Younghak, et al. Sensor and Actuators, A 114 (2004) pp. 327-331.
Kim Bong Hwan
Kim Jong Bok
Angadi Maki A
Norton Nadine G
Sughrue & Mion, PLLC
Will Technology Co., Ltd
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