High frequency chip packages with connecting elements
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United States of America Patent
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Feb 13, 2007
Issued Date -
N/A
app pub date -
Dec 24, 2003
filing date -
Aug 28, 2001
priority date (Note) -
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status (Latency Note)
Importance
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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