Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Of specified material other than unalloyed aluminum
Reexamination Certificate
2006-02-14
2006-02-14
Tran, Mai-Huong (Department: 2818)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Of specified material other than unalloyed aluminum
C257S736000, C257S772000, C257S774000, C257S776000, C257S779000, C257S781000, C257S786000, C257S792000, C430S314000
Reexamination Certificate
active
06998713
ABSTRACT:
The invention relates to a wiring board comprising a board having an electrode and being coated with an insulation layer with a hole for exposing the electrode; a wiring comprising a Cr or Ti layer, which is connected to the electrode and closely contacts with the insulation layer, and of a Cu layer which is closely contacts with the Cr or Ti layer; a protective film which covers the wiring and is provided with another hole for soldering; and a solder for the outer connection which is mounted in the both holes and brought to diffuse into the Cu layer to produce an alloy, and brought to reach the Cr or Ti layer thereby connecting the solder to the Cr or Ti layer.
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Itou Mitsuko
Narizuka Yasumori
Tenmei Hiroyuki
Yamaguchi Yoshihide
Hitachi , Ltd.
Townsend and Townsend / and Crew LLP
Tran Mai-Huong
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