Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Reexamination Certificate
2008-05-06
2008-05-06
Dinh, Tuan T. (Department: 2841)
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
C174S051000, C174S261000, C174S262000, C174S263000, C174S264000, C029S832000, C029S840000, C257S659000, C257S678000, C257S686000, C257S693000, C257S774000
Reexamination Certificate
active
11351780
ABSTRACT:
A surface-mounting type electronic circuit unit includes pedestal bases. The pedestal bases are attached to first lands provided on the bottom surface of an insulating substrate and are made of plate-shaped metal material having a solder film on the outer surface thereof. Solder bumps are provided on second lands. Since the pedestal bases used as the mounting reference of the insulating substrate is formed in a plate shape and is placed on the same plane as the first lands and the mother board, the contact state between the first lands a the mother board is effectively stabilized. In addition, since the solderable amount is more than that of a conventional invention, the solder is not detached due to an impact.
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Alps Electric Co. Ltd
Brinks Hofer Gilson & Lione
Chen Xiaoliang
Dinh Tuan T.
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