Process of mounting spring contacts to semiconductor devices

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6168974
SERIAL NO

09499963

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Abstract

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A process for providing a plurality free-standing resilient contact structures (spring elements) mounted to a surface of a carrier substrate. The carrier substrate is mounted to a surface of a semiconductor device, or one or more unsingulated semiconductor dies. Bond pads of the semiconductor device are connected to the spring elements by bond wires extending between the bond pads and terminals associated with the spring elements. The carrier substrate is mounted to one or more semiconductor devices prior to the semiconductor devices being singulated from a semiconductor wafer upon which they are formed Resilience and compliance to effect pressure connections to the semiconductor device are provided by the spring elements extending from the carrier substrate, per se.

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Patent Owner(s)

Patent OwnerAddress
FORMFACTOR INC7005 SOUTHFRONT ROAD LIVERMORE CA 94551

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Sung Chul Riverbank, CA 4 318
Khandros, Igor Y Orinda, CA 226 19264
Smith, William D Pleasanton, CA 43 1629

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