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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
DimensionsCustomized

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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 Product 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

Cu/Mo/Cu(CMC) heat sink has similar applications with tungsten copper heat sinks. It can be used as thermal mounting plates, chip carriers for microwaves, flanges, and frames for RF, laser diode packages, LED packages, BGA packages, and GaAs device mounts, etc. Copper Clad Molybdenum Alloy Applications

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