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Author:

史耀武 (史耀武.) | 董文兴 (董文兴.) | 雷永平 (雷永平.) (Scholars:雷永平) | 夏志东 (夏志东.) | 郭福 (郭福.) (Scholars:郭福) | 李晓延 (李晓延.) (Scholars:李晓延)

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incoPat zhihuiya

Abstract:

一种含微量稀土的SnBi和SnBiAg系低温无铅钎料合金,属于微电子行业电子组装用无铅钎料制造技术领域。本发明特征在于:该钎料合金质量百分比组成为:Bi 40~60%,Ag 0~2%,市售的铈基混合稀土0.05~0.5%,余量为Sn。本发明因添加微量稀土,进一步改善了SnBi和SnBiAg系钎料的润湿性能和力学性能,组织细化、均匀,不含Pb等有毒元素,无污染,冶炼方便,可加工成多种产品形式,满足当前颁布的WEEE和RoHS指令,是一种优良的低温无铅钎料。

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Patent Info :

Type: 发明申请

Patent No.: CN200710118754.7

Filing Date: 2007-07-13

Publication Date: 2007-12-05

Pub. No.: CN101081464A

Applicants: 北京工业大学

Legal Status: 驳回

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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