发明名称 WET-ETCHING COMPOSITION FOR SEMICONDUCTORS EXCELLENT IN WETTABILITY
摘要 <p>A wet-etching composition for semiconductors which is produced by adding a surfactant composed of an alkylsulfonic acid and an omega -hydrofluoro-alkylcarboxylic acid to a buffered hydrofluoric acid comprising hydrogen fluoride, ammonium fluoride and water.</p>
申请公布号 EP0691676(A1) 申请公布日期 1996.01.10
申请号 EP19940905829 申请日期 1994.02.02
申请人 DAIKIN INDUSTRIES, LIMITED 发明人 ISHII, MASAO, DAIKIN INDUSTRIES LTD.;HOSOMI, TOMOHIRO, DAIKIN INDUSTRIES LTD.;MARUYAMA, SHIGERU, DAIKIN INDUSTRIES LTD.;ITANO, MITSUSHI, DAIKIN INDUSTRIES LTD.
分类号 C09K13/10;H01L21/306;H01L21/311;(IPC1-7):H01L21/306;H01L21/308 主分类号 C09K13/10
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