2021-05-17

Patterned sapphire substrate (PSS), that is, a mask for dry etching grown on a sapphire substrate. The mask is patterned by a standard photolithography process, and the sapphire is etched using ICP etching technology. The mask is removed, and the GaN material grown on it turns the preliminary epitax Read More

2021-04-19

What is Third-generation semiconductor materialsThis is determined by the material. Semiconductor materials are important materials for making transistors, integrated circuits, power electronic devices, and optoelectronic devices.Its development has gone through three stages: The first-generation ma Read More