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...
Tantalum carbide hardness, high melting point, high temperature performance, mainly used as a cemented carbide additive. The thermal hardness, thermal shock resistance and thermal oxidation resista...
The bond could not be resold for interest, and the A-share market was again thundering.
On November 19, Dongxu Optoelectronics announced a debt default.
On the 19th, Dongxu Optoelectronics and Dong...
In a certain packaging process, packaging materials with different thermal expansion coefficients are used. During the packaging process, the wafer is placed on the packaging substrate, and then he...
Graphite Boats, also known as graphite boats, play a crucial role in the intricate processes of semiconductor ceramics manufacturing. These specialized vessels serve as reliable carriers for semico...
How to use graphite rotor correctly
1. Preheating before use: the graphite rotor shall be preheated at about 100mm above the liquid level for 5min ~ 10min before immersion in aluminum liquid to av...