BORIC ACID FREE FLUX |
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| 申请号 | PCT/IB2014000365 | 申请日 | 2014-03-17 | 公开(公告)号 | WO2014140778A3 | 公开(公告)日 | 2015-04-09 |
| 申请人 | LINCOLN GLOBAL INC; | 发明人 | HOWARD ROBERT A; | ||||
| 摘要 | The invention described herein pertains generally to boric acid free flux composition in which boric acid and/or borax is substituted with a molar equivalent amount of potassium tetraborate tetrahydrate. In some embodiments, a phthalocyanine pigment is used to effect a color change at activation temperature. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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