Patent ID: 9260645
Filing Date: 2016-02-16
CPC Classification: C09K,H01L

Claim Text:
1. A thermal interface material comprising at least one thermally conductive filler in a thermally reversible gel, the thermally reversible gel comprising di-block styrenic copolymer whereby the thermal interface material comprises a gap pad that is soft at room temperature and that is operable for allowing heat generated by an operating electrical component to pass through the gap pad, wherein: the thermal interface material has a hardness of about 48 Shore 00, the thermally reversible gel comprises di-block and tri-block styrenic copolymers and paraffinic oil, the paraffinic oil is about 14.1 percent of the gap pad by weight, the di-block styrenic copolymer is about 4.2 percent of the gap pad by weight, the tri-block styrenic copolymer is about 1.1 percent of the gap pad by weight, and the at least one thermally conductive filler is about 80.2 percent of the gap pad by weight; or the thermal interface material has a hardness of about 75 Shore 00, the thermally reversible gel comprises di-block styrenic copolymer, a tri-block and di-block styrenic copolymer blend and paraffinic oil, the paraffinic oil is about 13.5 percent of the gap pad by weight, the di-block styrenic copolymer is about 11.7 percent of the gap pad by weight, the di-block and tri-block styrenic copolymer blend is about 3.4 percent of the gap pad by weight, and the at least one thermally conductive filler is about 81 percent of the gap pad by weight; or the thermal interface material has a hardness of about 80 Shore 00, the thermally reversible gel comprises a di-block styrenic copolymer, a tri-block styrenic copolymer, and paraffinic oil, the paraffinic oil is about 43.2 percent of the gap pad by weight, the di-block styrenic copolymer is about 2.9 percent of the gap pad by weight, the tri-block styrenic copolymer is about 6.7 percent of the gap pad by weight, and the at least one thermally conductive filler is about 46.1 percent of the gap pad by weight; or the thermal interface material has a hardness of about 88 Shore 00, the thermally reversible gel comprises a di-block styrenic copolymer, a tri-block styrenic copolymer, and paraffinic oil, the paraffinic oil is about 42.4 percent of the gap pad by weight, the di-block styrenic copolymer is about 2.8 percent of the gap pad by weight, the tri-block styrenic copolymer is about 6.6 percent of the gap pad by weight, and the at least one thermally conductive filler is about 47.1 percent of the gap pad by weight; or the thermal interface material has a hardness of about 28 Shore 00, the thermally reversible gel comprises di-block styrenic copolymer, a tri-block and di-block styrenic copolymer blend and paraffinic oil, the paraffinic oil is about 42.5 percent of the gap pad by weight, the di-block styrenic copolymer is about 5.3 percent of the gap pad by weight, the di-block and tri-block styrenic copolymer blend is about 10.6 percent of the gap pad by weight, and the at least one thermally conductive filler is about 40.3 percent of the gap pad by weight.