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 ...
Wafer cutting is one of the important links in power semiconductor production. This step is designed to accurately separate individual integrated circuits or chips from semiconductor wafers.
The ke...
Photolithography technology mainly focuses on using optical systems to expose circuit patterns on silicon wafers. The accuracy of this process directly affects the performance and yield of integrat...
Chemical vapor deposition (CVD) is the most widely used technology in the semiconductor industry for depositing a variety of materials, including a wide range of insulating materials, most metal ma...
Wide bandgap (WBG) semiconductors represented by silicon carbide (SiC) and gallium nitride (GaN) have received widespread attention. People have high expectations for the application prospects of s...
Useful seals for pumps and valves depend on the overall condition of each component, especially the graphite disc device and conditioning. Before the winding device, firmly believe that the need fo...