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Copper Clad Molybdenum (CMC,CuMoCu) Laminates Alloy

HTMO1095

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Copper Clad Molybdenum Cu/Mo/Cu (CMC) Allloy is a sandwich structured and flat-panel composite material, which comprises a molybdenum core layer and two copper-clad layers. It has adjustable CTE, high thermal conductivity, and high strength. All types of Cu/Mo/Cu sheets can be stamped into components.

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Data sheet

MaterialsCu/Mo/Cu: 111,121,131,141,13/74/13
SizeCustomized

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Heeger Materials provides high-quality Copper molybdenum copper (Cu/Mo/Cu) products for research and industry purposes at the most competitive prices. We can provide Cu/Mo/Cu heat sinks with different grades according to your requirements.

Cu/Mo/Cu(CMC) heat sink, also known as CMC alloy, is a sandwich-structured and flat-panel composite material. It uses pure molybdenum as the core material and is covered with pure copper or dispersion-strengthened copper on both sides. Besides, the copper-molybdenum copper heat sink has an adjustable coefficient of thermal expansion, high thermal conductivity, and high thermal stability.

CMC-CuMoCu Alloy

Copper Clad Molybdenum Materials Properties

CMC111 means the thickness of the layer, Cu:Mo:Cu = 1:1:1. 

Grade

Density g/cm3

Coefficient of thermal

Expansion ×10-6  (20)

Thermal conductivity W/(M·K)

CMC111

9.32

8.8

305XY/250Z

CMC121

9.54

7.8

260XY/210Z

CMC131

9.66

6.8

244XY/190Z

CMC141

9.75

6

220XY/180Z

CMC13/74/13

9.88

5.6

200XY/170Z

Copper Molybdenum Copper Applications

Cu/Mo/Cu (CMC) heat sinks have similar applications to tungsten copper heat sinks.

Application field:

  • Thermal mounting plates
  • chip carriers for microwave components,
  • flanges and frames for RF and laser diode packages
  • LED packages, BGA packages, GaAs device mounts, etc.

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