发明名称 Method and device for controlling the film thickness of evaporated film
摘要 In film thickness control, different film thicknesses are evaporated on a first monitor and a second monitor provided in an evaporation tank, light beams of the same wavelength are projected onto the first monitor and the second monitor, the reflected lights from the first monitor and the second monitor are received and the reflection factors of the light beams from the monitors are detected.
申请公布号 US4531838(A) 申请公布日期 1985.07.30
申请号 US19820359481 申请日期 1982.03.18
申请人 CANON KABUSHIKI KAISHA 发明人 SAWAMURA, MITSUHARU
分类号 C23C14/54;G01B11/06;(IPC1-7):G01B11/00 主分类号 C23C14/54
代理机构 代理人
主权项
地址