Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame – On insulating carrier other than a printed circuit board
Reexamination Certificate
2006-12-05
2010-10-26
Chambliss, Alonzo (Department: 2892)
Active solid-state devices (e.g., transistors, solid-state diode
Lead frame
On insulating carrier other than a printed circuit board
C257S694000, C257S707000, C257S735000, C257SE23010, C257SE23014, C257SE23031, C257SE23034, C257SE23043, C257SE23141, C361S773000, C361S813000, C438S123000
Reexamination Certificate
active
07821115
ABSTRACT:
A semiconductor device on a tape carrier package with improved heat dissipation, as provided. The number of outputs of the semiconductor device has been increased for implementing a multi-channel configuration, and narrower pitches are employed. Included are a tape carrier20having lead patterns21to24formed on a tape base28thereof, and a semiconductor device10mounted on the tape carrier20and having electrode patterns11to14disposed thereon. The semiconductor device10includes heat dissipating electrode patterns15to17at positions where the heat dissipating electrode patterns15to17do not interfere with the electrode patterns11to14. The lead patterns21to24are electrically connected to the corresponding electrode patterns11to14, respectively. On the tape carrier20, heat dissipation patterns25to27are formed. The heat dissipation patterns have a surface area broader than that of the lead patterns and have the heat dissipating electrode patterns disposed thereon.
REFERENCES:
patent: 6713850 (2004-03-01), Yuan et al.
patent: 2-155248 (1990-06-01), None
patent: 3-57248 (1991-03-01), None
patent: 10-32229 (1998-02-01), None
patent: 2004-111996 (2004-04-01), None
Iwata Yasuaki
Sasaki Chihiro
Chambliss Alonzo
NEC Electronics Corporation
Sughrue & Mion, PLLC
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