Hon Hai Precision Industry Co., Ltd.

Tsinghua University

Feng-Wei Dai

Yuan Yao

Chang-Hong Liu

Kai-Li Jiang

Hui-Ling Zhang

You-Sen Wang

Ji-Cun Wang

Liang Liu

Chang-Shen Chang

Hai-Zhou Guo

A method for making a carbon nanotube composite preform includes following steps. A substrate is provided. Carbon nanotubes are formed on the substrate. The carbon nanotubes and the substrate are placed in a solvent for a predetermined time. The carbon nanotubes and the substrate are drawn from the solvent. The carbon nanotubes and the substrate are dried.

Method for making carbon nanotube composite preform

An apparatus for manufacturing a carbon nanotube heat sink includes a board, and a number of first and second carbon nanotubes formed on the board. The first carbon nanotubes and the second nanotubes are grown along a substantially same direction from the board. A height difference exists between a common free end of the first carbon nanotubes and a common free end of the second carbon nanotubes.

Apparatus for manufacturing carbon nanotube heat sink

A method for making a thermal interface material includes following steps. A substrate having a plurality of CNT arrays arranged thereon and a number of first interspaces defined between the CNT arrays is provided. A container is provided and the substrate with the CNT arrays is disposed into the container. A number of low melting point metallic nanoparticles is provided and filled in the first interspaces. The low melting point metallic nanoparticles in the container is heated into a liquid state, and the low melting point metal nanoparticles in liquid state is combined with the CNT arrays to form a composite material on the substrate. The composite material is peeled off from the substrate, and a thermal interface material is obtained.

Thermal interface material having a patterned carbon nanotube array and method for making the same

A carbon nanotube composite preform includes a substrate and a plurality of carbon nanotubes formed thereon. Each carbon nanotube includes a first end adjacent to the substrate and a second end away from the substrate. Gaps between the second ends of the carbon nanotubes are bigger than gaps between the first ends thereof. The method for making the carbon nanotube composite preform includes the following steps: (a) providing a substrate; (b) forming a plurality of carbon nanotubes (e.g., a carbon nanotube array) on the substrate; (c) placing the carbon nanotubes and the substrate in a solvent for some time; (d) removing the carbon nanotubes and the substrate from the solvent; (e) drying the carbon nanotubes and the substrate to form a carbon nanotube composite preform.

Carbon nanotube composite preform and method for making the same

An electronic assembly includes a heat source having a maximum operating temperature, a heat dissipating device, a thermal interface material sandwiched between the heat source and the heat dissipating device. The thermal interface material includes a base and a plurality of first thermally conductive particles dispersed in the base. The first thermally conductive particles have a size monotonically changing from a first size less than 100 nanometers and a first melting temperature below the maximum operating temperature, to a second size larger than 100 nanometers and a second melting temperature above the maximum operating temperature when the heat source operates at a temperature above the first melting temperature and at or below the maximum operating temperature.

Thermal interface material and method of using the same and electronic assembly having the same

The present disclosure provides an apparatus for manufacturing a carbon nanotube heat sink. The apparatus includes a board, and a plurality of first and second carbon nanotubes formed on the board. The first carbon nanotubes and the second nanotubes are grown along a substantially same direction from the board. A height difference exists between a common free end of the first carbon nanotubes and a common free end of the second carbon nanotubes. A method for manufacturing multiple carbon nanotube heat sinks is also provided.

Method for making the carbon nanotube heat sink

The present disclosure relates to a method for making a thermal interface material. A carbon nanotube array on a substrate is provided. The carbon nanotube array includes a plurality of carbon nanotubes substantially parallel to each other and substantially perpendicular to the substrate. The carbon nanotubes of the carbon nanotube array are slanted toward a central axis of the carbon nanotube array. A liquid matrix material is compounded with the carbon nanotube array. Additionally, the liquid matrix material is solidified.

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Beijing, China

Feng-Wei Dai