Beijing Sanhe Lian is committed to the research and manufacturing of semiconductor equipment, insisting on building domestic brands. Sanhe Lian is one of the domestic manufacturers of independently developed semiconductor equipment in China. Ion beam etching is one of the most important processes in semiconductor manufacturing, used to manufacture devices such as microprocessors, memory, sensors, etc. 2. Optoelectronic ion beam etching can be used to manufacture optical components such as gratings, diffraction gratings, optical waveguides, etc