-
公开(公告)号:US5312562A
公开(公告)日:1994-05-17
申请号:US980920
申请日:1992-11-24
CPC分类号: C23G1/20 , H05K3/26 , H05K2203/0793 , H05K2203/122
摘要: The present invention relates to environmentally safe aqueous saponifier compositions for cleaning electronic circuit assemblies, such as printed circuit or printed wiring boards, during their fabrication. Alkali metal carbonate and bicarbonate salts are utilized preferably with various adjuvants, such as an antifoam agent or surfactant to achieve a variety of objectives, among which are the removal of solder flux, oils, waxes, and greasy substances and adhesive and other residues.
摘要翻译: 本发明涉及用于清洁电子电路组件(例如印刷电路或印刷电路板)的环境安全的水性皂化剂组合物。 碱金属碳酸盐和碳酸氢盐优选与各种助剂如消泡剂或表面活性剂一起使用以实现各种目的,其中除去助焊剂,油,蜡和油脂物质以及粘合剂和其它残余物。