1. Third-generation semiconductors
The first-generation semiconductor technology was developed based on semiconductor materials such as Si and Ge. It is the material basis for the development of tr...
Tantalum carbide hardness, high melting point, high temperature performance, mainly used as a hard alloy additive. The thermal hardness, thermal shock resistance and thermal oxidation resistance of...
Sintered graphite molds are used to make sintered molds and scaffolds for transistors. Can be used for cast steel, all kinds of non-ferrous metal durable mold, cast iron, welding rail thermite weld...
1. SiC crystal growth technology route
PVT (sublimation method),
HTCVD (high temperature CVD),
LPE (liquid phase method)
are three common SiC crystal growth methods;
The most recognized meth...
New energy vehicles are not equipped with fuel engines, so how do they achieve vacuum-assisted braking during braking? New energy vehicles mainly achieve brake assist through two methods:
Th...
1. What is hydrogen energy
Hydrogen, the number one element in the periodic table, has the lowest number of protons, just one. The hydrogen atom is also the smallest and lightest of all atoms. Hydr...