发明名称 MANUFACTURE OF MASK
摘要 PURPOSE:To prevent damage by forming a protective film in advance on the surface of a transparent substrate reverse to the side of the light-shielding film. CONSTITUTION:The light-shielding film 2 and the protective film 4 are formed on both sides of the transparent substrate 1 by using a sputtering device, and a resist film 3 is formed on the surface of the film 2 and baked by using a hot plate. The film 3 is exposed to light and subjected to development processing and hot plate baking to form a resist pattern. This pattern is descummed to improve the form of the resist pattern, and the light-shielding film 2 is patterned by using this resist pattern for a mask and wet etching the film 2, and at the same time the film 4 formed on the side of the substrate 1 is removed, thus permitting damage to be prevented by finally removing the resist film 3.
申请公布号 JPH04104153(A) 申请公布日期 1992.04.06
申请号 JP19900223233 申请日期 1990.08.23
申请人 FUJITSU LTD 发明人 SUMI KAZUHIKO
分类号 G03F1/48;G03F1/68;H01L21/027 主分类号 G03F1/48
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