Importance

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Abstract

A printed circuit assembly includes an interposer circuit having a flexible dielectric core with an array of contact members attached thereto. Each contact member includes a first interconnect surface accessible from a first side of the dielectric core and a second interconnect surface accessible from a second side of the dielectric core. A conductive element is attached to the first interconnect surface of each contact member. A flip chip semiconductor die includes an array of bond pads on a mounting surface thereof. Each bonding pad of the semiconductor die is substantially aligned with a respective one of the first interconnect surfaces of the interposer circuit. Each bonding pad is electrically connected to the corresponding conductive element. The electronic device defines a perimeter edge that circumscribes the array of bonding pads and the array of contact members of the interposer circuit. A solder ball is attached to the second interconnect surface of each contact member. A printed circuit substrate includes an array of solder ball pads on a surface thereof. Each one of the solder ball pads is substantially aligned with a respective one of the second interconnect surfaces. Each one of the solder ball pads is electrically connected to the corresponding solder ball.

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First Claim