Heat Spreading Heat Pipe Assemblies


High-Precision Temperature Control

Function and thrive well below room temperatures and into cryogenic environments


Enable Longer Product Lifetimes

high-precision temperature control, rapid temperature recovery, and long life under demanding conditions



Meet your application-specific requirements

Boyd Corporation’s Heat Spreading Heat Pipe Assemblies incorporate the fast, high-capacity, two-phase heat transfer of heat pipes to remove local hot spots and improve air cooled heat sink efficiency. Heat Spreading Heat Pipe Assemblies reduce heat buildup around electronic components and enable more even heat spreading to maximize airside fin efficiency. Embedded heat pipe assemblies are a reliable and cost-effective solution for customers looking to enhance the performance of air-cooled thermal management systems.

Boyd’s embedded heat pipes can offer a thermal performance improvement of up to 20% compared with typical aluminum or copper base spreaders particularly in applications like electronics or computers, where the heat source is small relative to the area for fins.

To ensure the best thermal contact based on application, we employ several methods to create these assemblies. Heat pipes can be directly soldered or epoxied into grooves within the heat sink base enabling direct contact with the heat source, or they can be embedded into holes using a proprietary expansion process that provides an efficient metal to metal thermal interface between the heat pipes and the heat sink base. Boyd’s heat pipe bonding techniques have proven to withstand the toughest temperature extremes and vibration environments, enabling more rugged, reliable Heat Spreading Heat Pipe Assemblies.

Most Heat Spreading Heat Pipe Assemblies utilize a sintered powder wick structure, which balances many heat pipe variables into a reliable, cost effective package. Thermal engineers get high-heat flux heat dissipation capability of greater than 300 W/cm2 with Boyd’s sintered powder wick structures. These structures allow our Engineers to configure heat pipes into tight applications with bend, shaping, and flattening geometries. Typical configurations route heat pipes around mounting holes or directly over heat source surfaces. Thermal architects have more flexibility because embedded heat pipes don’t require changing the geometry of the heat sink, which is especially useful in retrofitting or increasing the power of existing applications.

For rapid thermal modeling and comparison of multiple heat sink constructions please try Boyd Genie our heat sink design tool.

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