Why Use Thermal Interface Materials in Electronic Applications

Why Use Thermal Interface Materials in Electronic Applications

Why Use Thermal Interface Materials in Electronic Applications Leave a comment

Thermal Interface Materials conjointly referred to as thermally semiconducting substance that is often used as an associate interface between heat sinks, and warmth sources like high-voltage semiconductor devices. The basic role of thermal paste is to eliminate air gaps or areas (which act as thermal insulation) from the interface space concerning maximizing heat transfer and dissipation. We’ve got some most typical compounds and properties for thermal interface materials


It represents the ultimate, a solid metal interface with resistance. Despite the challenges of the warmth process, solder is employed as a thermal interface wherever no alternative viable choice exists. 

Thermally conductive Adhesives 

Usually, epoxy or silicone primarily based formulations containing fillers, provide a superior mechanical bond that may scale back the size and weight of a system. The payoff with associate adhesive may be a compact package, a high-performance interface, and future dependability. 

Thermal Gels

Gels are another recently developed choice that is distributed like grease however are then cured to a partially cross-linked structure, by eliminating the pump-out issue. Thermal resistance levels are like grease. Phase Change Materials Phase change materials mix the thermal performance of grease with the convenience of associate material pad. State change materials are preponderantly waxes that usually soften within the fifty — 80 °C vary. This is often a serious thought for the shift back to grease with the newest high performance microprocessors.

Thermal Tapes

Thermal Tapes were developed as a conductor attachments technique. They eliminate the requirement for external clamps, therefore reducing the general hardware demand.


Greases (also referred to as thermal compounds) are silicone or organic compound oils that contain numerous fillers. Traditionally, they’re the oldest category of materials since they promptly address the first goal of eliminating microscopic air pockets. They’re usually characterized as “messy” and troublesome to use thanks to their high consistency.

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