发明名称 Method for developing negative photoresists.
摘要 <p>A process is provided for developing images in exposed negative photoresists which comprises treating a substrate coated with the photoresist with a mixture of trichloroethane and an aliphatic alcohol, preferably isopropanol or tert-butanol, which may optionally be heated to an elevated temperature. The alcohol is present in an amount up to that forming a constant boiling composition (azeotropic composition).</p>
申请公布号 EP0224843(A2) 申请公布日期 1987.06.10
申请号 EP19860116317 申请日期 1986.11.25
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 ANSCHEL, MORRIS;GOODRICH, LAWRENCE DUANE;HETRICK, BARTON MAITLAND
分类号 H01L21/30;G03F7/30;G03F7/32;H01L21/027 主分类号 H01L21/30
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