Controlled compliance fine pitch electrical interconnect

Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – Flexible panel

Reexamination Certificate

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C439S700000, C439S071000

Reexamination Certificate

active

10992482

ABSTRACT:
A method and apparatus for achieving a very fine pitch interconnect between a flexible circuit member and another circuit member with extremely co-planar electrical contacts that have a large range of compliance. An electrical interconnect assembly that can be used as a die-level test probe, a wafer probe, and a printed circuit probe is also disclosed. The second circuit member can be a printed circuit board, another flexible circuit, a bare-die device, an integrated circuit device, an organic or inorganic substrate, a rigid circuit and virtually any other type of electrical component. A plurality of electrical contacts are arranged in a housing. The electrical contacts may be arranged randomly or in a one or two-dimensional array. The housing acts as a receptacle to individually locate and generally align the electrical contacts, while preventing adjacent contacts from touching. The first ends of the electrical contacts are electrically coupled to a flexible circuit member. The second ends of the electrical contacts are free to electrically couple with one or more second circuit members without the use of solder.A compliant material may be positioned along a second surface of the flexible circuit to bias the electrical contacts against the one or more second circuit members.

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