Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2007-07-24
2007-07-24
Tugbang, A. Dexter (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S874000, C029S885000, C257S738000, C438S613000
Reexamination Certificate
active
11446731
ABSTRACT:
A method of manufacturing a semiconductor device includes (a) forming a first resin layer on a semiconductor substrate including an electrode pad and a passivation film, (b) curing the first resin layer, (c) forming a second resin layer which slopes more gently than the cured first resin layer on at least a lower portion of the first resin layer, (d) curing the second resin layer to form a resin protrusion including the first and second resin layers, and (e) forming a conductive layer which is electrically connected with the electrode pad and passes over the resin protrusion.
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Ito Haruki
Tanaka Shuichi
Cazan Livius R.
Harness & Dickey & Pierce P.L.C.
Seiko Epson Corporation
Tugbang A. Dexter
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