Thermal adhesive is a type of thermally conductive glue used for electronic components and heat sinks. It can be available as a paste (similar to thermal paste) or as a double-sided tape.[1]
It is commonly used to bond integrated circuits to heatsinks where there are no other mounting mechanisms available.
The glue is typically a two-part epoxy resin (usually for paste products) or cyanoacrylate (for tapes).[2] The thermally conductive material can vary including metals, metal oxides, silica or ceramic microspheres. The latter are found in products that have much higher dielectric strength, although this comes at the cost of lower thermal conductivity.
End-user modding heatsinks may be supplied with thermal adhesive attached (usually a piece of tape). For products sold through electronic components distributors this is rarely the case; the adhesives are sold separately to professionals.
See also
editReferences
edit- ^ Liu, Mary; Yin, Wusheng (January 2016). "A High Thermal Conductive Solderable Adhesive" (PDF). YINCAE Advanced Materials, LLC.
- ^ Teertstra, Peter (July 2007). Thermal Conductivity and Contact Resistance Measurements for Adhesives (PDF). ASME InterPACK 2007. University of Waterloo.
Further reading
edit- Chen, W.T.; Nelson, C.W. (1979). "Thermal Stress in Bonded Joints" (PDF). IBM Journal of Research and Development. 23 (March 1979): 179–188. doi:10.1147/rd.232.0179.
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