发明名称 Boric acid free flux
摘要 The invention described herein pertains generally to boric acid free flux composition wherein in some embodiments, a phthalocyanine pigment is used to effect a color change at activation temperature.
申请公布号 US9174310(B2) 申请公布日期 2015.11.03
申请号 US201313838485 申请日期 2013.03.15
申请人 Lincoln Global, Inc. 发明人 Howard Robert A.
分类号 B23K35/36;B23K35/02 主分类号 B23K35/36
代理机构 Hahn Loeser & Parks LLP 代理人 Hahn Loeser & Parks LLP
主权项 1. A boric acid free powder flux composition which comprises:Potassium tetraborate (K2B4O7•4H2O)46.2-51.6%Potassium fluorosilicate (K2SiF6)1.20-1.99%Potassium Fluoroborate (KBF4)46.2-51.6%Boron0.85-1.02% wherein said components are combined so as to total 100% by weight.
地址 City of Industry CA US