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A new sink should be in simple shapes for reasonable manufacturing process. On the other hand, the heat sink tends to be complicated shape for high cooling performance. Recently, 3D printer is able to process complicated shapes. However, manufacturing cost by 3D printing method is expensive. Thus it is important to verify and improve fluid flow and thermal conductivity at the design stage of the heat...
In this paper, we demonstrate that the local electric field distribution at a sharp tip can be drawn as a contour map and it agrees well with numerical calculations based on finite element method (FEM). In the Rutherford scattering scheme, when the primary electron beam passes close to the tip apex, it is strongly deflected toward the anode by the local field and is interrupted at the orifice edge...
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