BTH

共 3 篇文章
BTH 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 3 篇文章,持续更新中。

BTH090923

BTH 090923BTH 090923BTH 090923

Sn-Ag-Cu-Sb免清洗焊膏的试制与检验

<P>试制了Sn-2.5Ag-0.7Cu-0.5Sb免清洗焊膏,结果表明免清洗焊膏的印刷性能良好,触变性好,不会塌陷,有良好的焊接性。用免清洗焊膏焊接的软线路板FPCB清洁度高,且分别通过了BTH、H

We have a group of N items (represented by integers from 1 to N), and we know that there is some tot

We have a group of N items (represented by integers from 1 to N), and we know that there is some total order defined for these items. You may assume that no two elements will be equal (for all a, b: a