Method for the fabrication of electrical contacts

Details Method for the fabrication of electrical contacts Method for the fabrication of electrical contacts

2001-07-27

2003-09-30

Mills, Gregory (Department: 1763)

Etching a substrate: processes

Forming or treating electrical conductor article

C438S618000

Reexamination Certificate

active

06627092

ABSTRACT:

FIELD OF THE INVENTION
This invention relates generally to the field of electrical contacts and more specifically to methods for the fabrication of electrical contacts.
BACKGROUND OF THE INVENTION
Existing electrical contact designs include interposers constructed from elastomeric material and interposers constructed from balls of wire. Both of these solutions have limitations inherent in their design. Current elastomeric materials are unable to sustain adequate contact spring force over time and temperature and have a small range of working heights. Interposers constructed from balls of wire are fragile, prone to unravel, often require costly inspection, and provide a limited amount of contact travel.
SUMMARY OF THE INVENTION
A method for the fabrication of electrical contacts using metal forming, masking etching, and soldering techniques is presented. The method produces a plurality of specialized electrical contacts, capable of use in an interposer, or other device, including non-permanent or permanent electrical connections providing contact wipe, soft spring rates, durability, and significant amounts of travel.
Other aspects and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, illustrating by way of example the principles of the invention.


REFERENCES:
patent: 5228861 (1993-07-01), Grabbe
patent: 5802699 (1998-09-01), Fjelstad et al.
patent: 6029344 (2000-02-01), Khandros et al.
patent: 6442039 (2002-08-01), Schreiber
patent: 6558560 (2003-05-01), Clements et al.
patent: 8287983 (1996-11-01), None
patent: WO9100619 (1991-01-01), None

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