发明名称 REMOVAL COMPOSITION FOR SELECTIVELY REMOVING HARD MASK AND METHODS THEREOF
摘要 The present disclosure relates to a method for removing a hard mask consisting essentially of TiN, TaN, TiNxOy, TiW, W, Ti and alloys of Ti and W from a semiconductor substrate. The method comprising contacting the semiconductor substrate with a removal composition. The removal composition comprises 0.1 wt% to 90 wt% of an oxidizing agent; 0.0001 wt% to 50 wt% of a carboxylate; and the balance up to 100 wt% of the removal composition comprising deionized water.
申请公布号 WO2015054464(A1) 申请公布日期 2015.04.16
申请号 WO2014US59848 申请日期 2014.10.09
申请人 E. I. DU PONT DE NEMOURS AND COMPANY;EKC TECHNOLOGY INC 发明人 CUI, HUA
分类号 H01L21/02;H01L21/311;H01L21/3213 主分类号 H01L21/02
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