Patent ID: 6630031
Filing Date: 2003-10-07
Classification: B08B,H01L,Y10S

Abstract:
A one-by-one surface purification apparatus used in a manufacturing process of semiconductor devices or liquid crystal display devices, wherein substrates to be purified are set one-by-one, said apparatus comprising:means for generating saturated steam; means for generating superheated steam; means for bringing at least one of said saturated steam and said superheated steam into contact with a surface of each of said substrates; means for spraying at least one of said saturated steam and said superheated steam onto said surface; and means for irradiating with ultraviolet rays, wherein said surface is processed in combination with processing of irradiating said surface with ultraviolet rays in said steam processing, and wherein at least one of saturated steam and superheated steam is selectively used to purify said surface.