Thermally and electrically conductive interface

Details Thermally and electrically conductive interface Thermally and electrically conductive interface

2011-01-11

2011-01-11

Tucker, Philip C (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S311000, C427S387000, C428S447000, C428S448000, C428S449000, C428S450000

Reexamination Certificate

active

07867353

ABSTRACT:
A thermally and electrically conductive material is provided as a mixture of a dimethylpolysiloxane, metal (or one metal coated with another metal) flakes and/or granules, a peroxide-based and/or a dimethyl hexane based catalyst, PTFE powder and a platinum based fire retardant. The thermally and electrically conductive material may be pre-formed into a film or pad and each side of the film protected with removable release layers. The thermally and electrically conductive material may alternatively be produced in a screen-printable paste. As such, a layer of the thermally and electrically conductive paste may be screen-printed on the metal surface in a complete sheet form or as a patterned film by using a stencil patterned screen mesh. Processes for manufacturing high- and low-frequency circuits that include the interface material are also provided.

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