Thermal interface material and method for making same

Details Thermal interface material and method for making same Thermal interface material and method for making same

2005-08-02

2005-08-02

Wu, David W. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S871000, C524S875000, C165S185000, C361S704000

Reexamination Certificate

active

06924335

ABSTRACT:
A thermal interface material (40) includes a polymer matrix (32) and an array of carbon nanotubes (22) incorporated in the polymer matrix. The polymer matrix has a thermally conductive first face (42) and an opposite thermally conductive second face (44). The carbon nanotubes are substantially parallel to each other, and extend between the first and the second faces. A preferred method for making the thermal interface material includes the steps of: (a) forming the array of carbon nanotubes on a substrate (11); (b) immersing the carbon nanotubes in a liquid prepolymer (31) such that the liquid prepolymer infuses into the array of carbon nanotubes; (c) polymerizing the liquid prepolymer to obtain the polymer matrix having the carbon nanotubes secured therein; and (d) peeling the polymer matrix having the carbon nanotubes off from the substrate to obtain the thermal interface material.

REFERENCES:
patent: 6407922 (2002-06-01), Eckblad et al.
patent: 6741019 (2004-05-01), Filas et al.
patent: 2002/0100581 (2002-08-01), Knowles et al.
patent: 2003/0111333 (2003-06-01), Montgomery et al.
patent: 2003/0117770 (2003-06-01), Montgomery et al.
patent: 2004/0005736 (2004-01-01), Searls et al.

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