Heat Removal from Bipolar Transistor by Loop Heat Pipe with Nickel and Copper Porous Structures
Figure 2
Microscopic pictures of the sintered structures from copper powders. (a) Grain size of 50 μm, sintering temperature of 800°C, and sintering time of 30 min. (b) Grain size of 100 μm, sintering temperature of 800°C, and sintering time of 30 min. (c) Grain size of 50 μm, sintering temperature of 950°C, and sintering time of 30 min. (d) Grain size of 100 μm, sintering temperature of 950°C, and sintering time of 30 min. (e) Grain size of 50 μm, sintering temperature of 950°C, and sintering time of 90 min. (f) Grain size of 100 μm, sintering temperature of 950°C, and sintering time of 90 min.
(a)
(b)
(c)
(d)
(e)
(f)
We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.
