Ultrasonic Photoresist Coating Process
Ultrasonic Photoresist Coating Process Ultrasonic Photoresist Coating Process - Cheersonic In the field of precision photolithography, ensuring uniform photoresist coating on the substrate surface is crucial for achieving process repeatability, reliability, and acceptability. Photoresist, as a special material, is typically dispersed in a solvent or aqueous solution and has high viscosity. Various methods exist to achieve uniform coating, among which spin coating technology has become a commonly used [...]

