Research Article

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

Table 1

Porosity of sintered structures from copper powder with grain size of 50 μm.

Grain size (μm)50505050

Sintering temperature (°C)800800950950

Sintering time (min)30903090

Porosity (%)55545250