发明名称 NOVEL AZEOTROPE-TYPE SOLVENT MIXTURE OF METHANOL AND 1,4-DIHYDROPERFLUOROBUTANE AND PROCESS FOR CLEANING ELECTRONIC COMPONENTS WITH THE AID OF THE SAME
摘要 The invention relates to an azeotrope-type mixture which contains about 3-5% by weight of methanol and about 95-97% by weight of 1,4-dihydroperfluorobutane, and also to a process for cleaning electronic components, in particular soldered conductor boards or printed circuits, with the aid of said mixture.
申请公布号 US5073291(A) 申请公布日期 1991.12.17
申请号 US19910644512 申请日期 1991.01.23
申请人 HOECHST AKTIENGESELLSCHAFT 发明人 ROBECK, HORST;DEGER, HANS-MATTHIAS;RAAB, KLAUS
分类号 B23K35/38;C07C19/08;C07C31/04;C11D7/50;C11D7/60;C23G5/028;H05K3/26 主分类号 B23K35/38
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