High density ceramic vacuum chuck (porous ceramic vacuum chuck), a special porous ceramic material with a pore size of 2 to 3 microns, is not easy to block, high vacuum force, part of the area ads...
Plasma was first discovered by William Crookes in 1879 and named "plasma" by Irving Langmuir in 1929. The application of plasma in chip manufacturing is very common and important, it can be said t...