Thermal interface material and method of producing the same

Details Thermal interface material and method of producing the same Thermal interface material and method of producing the same

2006-10-24

2010-06-01

Moore, Margaret G (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S413000, C524S437000, C524S588000

Reexamination Certificate

active

07728052

ABSTRACT:
A thermal interface material (10) includes 100 parts by weight of a silicone oil (11) and 800˜1200 parts by weight of a metal powder (12) mixed into the silicone oil. An outer surface of each metal particle (121) of the metal powder is coated with a metal oxide layer (122). A method of producing the thermal interface material includes steps of: (1) applying a layer of organo coupling agent on the metal powder; (2) heating the metal powder at a temperature between 200 to 300° C. to coat a metal oxide layer on an outer surface of the metal powder; and (3) adding the metal powder with the coated metal oxide layer to a silicone oil. The thermal interface material has an excellent thermal conductivity and an excellent electrical insulating property.

REFERENCES:
patent: 3658311 (1972-04-01), Di Giambattista et al.
patent: 5213704 (1993-05-01), Anderson et al.
patent: 6040362 (2000-03-01), Mine et al.
patent: 6605238 (2003-08-01), Nguyen et al.

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