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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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