THERMAL INTERFACE MATERIAL

Kafil M Razeeb (Inventor), Saibal Roy (Inventor), James Francis Rohan (Inventor), Lorraine Christine Nagle (Inventor)

Research output: Patent

Abstract

A thermal interface material (1) comprises a bulk polymer (2) within which is embedded sub-micron (c. 200 to 220 nm) composite material wires (3) having Ag and carbon nanotubes (“CNTs”) 4. The CNTs are embedded in the axial direction and have diameters in the range of 9.5 to 10 nm and have a length of about 0.7 μm. In general the pore diameter can be in the range of 40 to 1200 nm. The material (1) has particularly good thermal conductivity because the wires (3) give excellent directionality to the nanotubes (4)—providing very low resistance heat transfer paths. The TIM is best suited for use between semiconductor devices (e.g. power semiconductor chip) and any type of thermal management systems for efficient removal of heat from the device.

Original languageEnglish
Patent numberUS2010196659
IPCC25D 15/ 00 A I
Priority date23/04/08
Publication statusPublished - 5 Aug 2010

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