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Aluminum Diamond Thermal Management Material

Aluminum Diamond heat spreaders
NMIC aluminum-diamond metal matrix composite (MMC) material has superior properties as a highly-conductive isotropic thermal management solution. It is the result of more than 10 years of intense development that only recently has been commercially available for use in power electronic applications and other high-heat-flux environments. Typical applications include heat spreaders and heat sinks for RF and microwave transistor and RFIC and MMIC packages (especially those based on Gallium Nitride – GaN), DC power device packages, laser diode packages, complex carriers for optoelectronics, and LEDs and detectors.

Our aluminum diamond is a composite of high-thermal-conductivity nano-coated industrial grade diamond embedded in an aluminum alloy matrix and has a unique combination of properties that for emerging RF and microwave applications (among others) makes it unchallenged. For example, it has:
  • Thermal conductivity greater than 500 W/mK, 80% higher than any other material for these applications.
  • Low coefficient of thermal expansion of 6 ppm/K at room temperature compatible with semiconductor materials
  • Low density of 3.17 g/cc, which reduces overall system weight in comparison to copper alloy heat spreaders.
  • In heat-spreading applications it provides far superior performance to conventional thermal management materials such as copper tungsten, copper moly, and copper moly copper.
  • Heat spreaders can be nickel-gold electroless, gold electroless, or electrolytic plated, sputtered, CVR, or PVD
  • Is dimensionally stable and has a smooth surface finish and uniform flatness.
  • Netshape, multi-level, and irregular geometries can easily be fabricated.
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Aluminum Diamond Properties
Aluminum Diamond Microstructure
    Aluminum Diamond Microstructure

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  • Home
  • About
  • Aluminum Diamond
  • Literature
    • Technical Resources
    • Data Sheets
  • News
  • Get a Quote
  • Contact