On April 10, the Yonhap News Agency learned that Lee Changyang, Minister of Trade, Industry and Resources of the Republic of Korea, met with Grant Shapps, Minister of Energy Security of the United ...
A fuel cell stack will not operate stand-alone, but needs to be integrated into a fuel cell system. In the fuel cell system different auxiliary components such as compressors, pumps, sensors, valve...
A wafer has to go through three changes to become a real semiconductor chip: first, the block-shaped ingot is cut into wafers; in the second process, transistors are engraved on the front of the wa...
Some organic and inorganic substances are required to participate in semiconductor manufacturing. In addition, since the process is always carried out in a clean room with human participation, semi...
The origin of the name epitaxial wafer
First, let’s popularize a small concept: wafer preparation includes two major links: substrate preparation and epitaxial process. The substrate is a wafer m...
How to clean the graphite mold?
Generally, when the molding process is completed, dirt or residues (with certain chemical composition and physical properties) are often left on the graphite mold. ...