The preferred material for precision parts of photolithography machines
In the semiconductor field, silicon carbide ceramic materials are mainly used in key equipment for integrated circuit manuf...
As a kind of power generation device that converts chemical energy in hydrogen and oxidant into electricity, the gas tightness of fuel cell stack is very important. This is the test of VET for the ...
2 Experimental results and discussion
2.1 Epitaxial layer thickness and uniformity
Epitaxial layer thickness, doping concentration and uniformity are one of the core indicators for judging the...
The function of a bearing is to support a moving shaft. As such, there will inevitably be some rubbing that occurs during operation and, consequently, some bearing wear. This means bearings are oft...
Latest Ceramic and Carbon Graphite Bearing Market report evaluates the impact of Covid-19 outbreak on the industry, involving potential opportunity and challenges, drivers and risks and market grow...
Non-uniformity of ion bombardment
Dry etching is usually a process that combines physical and chemical effects, in which ion bombardment is an important physical etching method. During the etchin...