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...
Why do graphite crucibles crack? How to solve it?
The following is a detailed analysis of the causes of cracks:
1. After the crucible is used for a long time, the crucible wall presents longitudin...
1. Acknowledgement before cleaning
1) When the PECVD graphite boat/carrier is used more than 100 to 150 times, the operator needs to check the coating condition in time. If there is an abnormal coa...
Silicon carbide crystal boat is a new type of aviation equipment, it is made of silicon carbide and other synthetic materials, with strong heat resistance and cold resistance. The main characterist...
Sichuan Province is vast in area and rich in mineral resources. Among them, the prospecting potential of emerging strategic resources is huge. A few days ago, it was led by Sichuan Natural Resourc...
First knowledge of electric water pump
The water pump is an important part of the automobile engine system. In the cylinder body of the automobile engine, there are several water channels fo...