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Thermal Material Properties
 
  Cu AlN AlN SiC

Composite Diamond

TM-100
CVD Diamond

TM-100
CVD Diamond

TM-100
CVD Diamond

Thermal conductivity
(W/mK)
397 170 200 300 600 >1000 >1500 >1800
CTE
(ppm/K)
16.6 400 400 2.2 3.02 1.58 1.58 1.58
Thermal diffusivity (cm2/S) 1.16 0.8 94 1.46 3.2 >5.5 >8.3 >10
Specific heat
(J/cm3 K)
3.45 2.38 2.38 2.04 1.9 1815 1815 1815
Density
(g/cm3)
8.96 3.28 3.28 3.21 4.12 3.52 3.52 3.52
Young's Modulus (Gpa) 130 310 310 466 841 1050 1050 1050

Dielectric constant

NA

8.8

8.8

40

NA

5.7

5.7

5.7

Insulation resistance (ohm-cm) Conductor 1х1013 1х1013 1х1013 1х1013 1х1013 1х1013 1х1013

 

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AlN Heat Spreaders