Heat Removal from Bipolar Transistor by Loop Heat Pipe with Nickel and Copper Porous Structures

Table 2

Porosity of sintered structures from copper powder with grain size of 100 μm.

Grain size (μm)	100	100	100	100
Sintering temperature (°C)	800	800	950	950
Sintering time (min)	30	90	30	90
Porosity (%)	58	56	55	52