The Molybdenum-Copper Heat Sinks

Molybdenum-Copper Heat Sinks are composites of molybdenum and copper. Similar to W-Cu, CTE of Mo-Cu can also be tailored by adjusting the content of molybdenum. Mo-Cu is much lighter than W-Cu so that it is suitable for aeronautic and astronautic applications.They are widely used in applications such as optoelectronics packages, Microwave Packages, C Packages, Laser Submounts, etc.

mocu

1、Advantages:
◦High thermal conductivity since no sintering additives have been used
◦Excellent hermeticity
◦Relatively small density
◦Stampable sheets available (Mo content no more than 75 wt%)
◦Semi-finished or finished (Ni/Au plated) parts available.

2、Technical Data:

Type Molybdenum Content (wt%) Density (g/cm3)  CTE (ppm/K)  Thermal Conductivity (W/m.K)
Mo70cu 70±1 9.8 9.1 170 - 200
Mo60cu 60±1 9.66 10.3 210 - 250
Mo50cu 50±1 9.54 11.5 230 - 270

 

 

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