Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – For high frequency device
Reexamination Certificate
2004-10-29
2010-12-14
Parekh, Nitin (Department: 2811)
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
For high frequency device
C257S778000, C257S724000, C257SE23169
Reexamination Certificate
active
07851909
ABSTRACT:
A circuit substrate has one or more active components and a plurality of passive circuit elements on a first surface. An active semiconductor device has a substrate with layers of material and a plurality of terminals. The active semiconductor device is flip-chip mounted on the circuit substrate and at least one of the terminals of the device is electrically connected to an active component on the circuit substrate. The active components on the substrate and the flip-chip mounted active semiconductor device, in combination with passive circuit elements, form preamplifiers and an output amplifier respectively. In a power switching configuration, the circuit substrate has logic control circuits on a first surface. A semiconductor transistor flip-chip mounted on the circuit substrate is electrically connected to the control circuits on the first surface to thereby control the on and off switching of the flip-chip mounted device.
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Mishra Umesh
Parikh Primit
Wu Yifeng
Cree Inc.
Koppel, Patrick, Heybl & Dawson
Parekh Nitin
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