Oscillating Heat Pipes (OHPs) use thermally driven, two-phase fluid flow to rapidly transfer heat between heat sources and heat sinks.  To learn more about the OHP technology and how we innovate custom thermal solutions, click on a topic below:

        OHP Applications and Industries                    OHP Technical Resources

        OHP Product Specifications                            OHP Videos


OHP Applications and Industries


  • CPU, GPU and microchip cooling
  • Li-ion battery packages
  • Multi-chip circuit card heat sinks
  • RF device heat spreaders
  • Energy recovery heat exchangers
  • Optical equipment heat sinks
  • LED cooling
  • IGBTs, power electronics and more


  • Avionics/Aircraft
  • Spacecraft/Satellites
  • Radar & Telecommunications
  • Computer and IT
  • Energy storage
  • Medical 
  • HVAC
  • Research agencies and organizations

OHP Product Specifications


  • Al and Al composites
  • Cu and Cu composites
  • Titanium
  • Stainless steel
  • Low-CTE metals
  • Ceramics and more

Working fluids

  • Water
  • Ketones
  • Alkanes
  • Alcohols
  • Hydrochlorofluorocarbons
  • Perfluorocarbons
  • Hydrofluorocarbons
  • More from <-40°C to >+300°C

operational limits

  • Heat fluxes <1W/cm2 to  >1250W/cm2
  • Heat loads from <10W to >8,000W
  • Long-distance OHPs operable at 50cm length in horizontal & 1.5m length in vertical orientation
  • Chip-level OHPs operable at >9g of adverse gravity

Shapes and sizes

  • From 1mm thickness
  • Up to 1.5m long
  • Customizable widths
  • Flat or 3D plate with bosses, through holes, fins, mounting hardware, dielectric substrate, etc.
  • Platings and dielectric coatings
  • Ceramic substrates
  • Other features (fins, fans, etc.)

OHP Technical Resources

Click through to read more about each resource.

OHP Videos