Thermal interface materials and method of making thermal...

Details Thermal interface materials and method of making thermal... Thermal interface materials and method of making thermal...

2007-06-12

2007-06-12

Edwards, N. (Department: 1774)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

C428S297400, C428S903000, C428S347000

Reexamination Certificate

active

10449156

ABSTRACT:
In one aspect, the invention provides a method of making a thermal interface material comprising the steps of: (a) providing a polymeric hot melt pressure sensitive adhesive having a number average molecular weight of greater than 25,000; (b) melt-blending the polymer with at least 25 weight percent of a thermally conductive filler to form a mixture; and (c) forming the mixture of hot melt pressure sensitive adhesive and thermally conductive filler as a film. In another aspect, the invention may further comprise the steps of: providing a fire retardant and/or microfiber forming material; and/or irradiating the film with gamma or electron beam (E-beam) radiation or a combination of both to form a thermal interface material.

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