1-2.Stacking Sequence
If we are going to make a laminated structure, we must know the thickness of each ply and the angle of each ply traditionally in degrees defined from the top layer down.
1-2.Stacking Sequence
If we are going to make a laminated structure, we must know the thickness of each ply and the angle of each ply traditionally in degrees defined from the top layer down.
1-1.lattice parameter The lattice constant, or lattice parameter, refers to the constant distance between unit cells in a crystal lattice. Lattices in three dimensions generally have three lattice constants, referred to as a, b, and c. However, in the special case of cubic crystal structures, [...]
5-3-1 High-Temperature Device Operation The wide bandgap energy and low intrinsic carrier concentration of SiC allow SiC to maintain semiconductor behavior at much higher temperatures than silicon, which in turn permits SiC semiconductor device functionality at much higher temperatures than silicon . As discussed in basic semiconductor electronic [...]
2-18.Grain boundaries They are interfaces where crystals of different orientations meet. A grain boundary is a single-phase interface, with crystals on each side of the boundary being identical except in orientation. The term “crystallite boundary” is sometimes, though rarely, used. Grain boundary areas contain those [...]
2-28.WARP Warp is the difference between the maximum and the minimum distances of the median surface of a free, un-clamped wafer from the reference plane defined above. This definition follows ASTM F657, and ASTM F1390,which deviation from a plane of a slice or wafer centerline [...]
5-5-2 SiC-Selective Doping: Ion Implantation The fact that diffusion coefficients of most SiC dopants are negligibly small (at 1800°C) is excellent for maintaining device junction stability, because dopants do not undesirably diffuse as the device is operated long term at high temperatures. Unfortunately, this characteristic also largely [...]
3-6. Edge Chips Areas where material has been unintentionally removed from the wafer.Do not confuse fractures in epi crown with edge chips.
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