High frequency chip packages with connecting elements

Details High frequency chip packages with connecting elements High frequency chip packages with connecting elements

2007-02-13

2007-02-13

Huynh, Andy (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

C257S232000, C257S723000, C257SE23066

Reexamination Certificate

active

10746810

ABSTRACT:
A radio frequency chip package is formed by assembling a connecting element such as a circuit board or flexible circuit tape having chips thereon with a bottom plane element such as a lead frame incorporating a large thermally-conductive plate and leads projecting upwardly from the plane of the plate. The assembly step places the rear surfaces of the chips on the bottom side of the connecting element into proximity with the thermal conductor and joins the conductive traces on the connecting element with the leads. The resulting assembly is encapsulated, leaving terminals at the bottom ends of the leads exposed. The encapsulated assembly may be surface-mounted to a circuit board. The leads provide robust electrical connections between the connecting element and the circuit board.

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