国产欧美日韩另类在线专区,18禁止看的免费污网站,欧美性大战久久久久久久,精品国产三级大全在线观看,国产欧美精品一区二区三区-老狼,我故意没有穿内裤坐公车让老头摸,正在播放国产真实高中生在线

Your Position:Home>Laboratory

Laboratory

Solder joint assessment
1) Cross section
Objective: to measure IMC layer thickness (range 1-4 μ m)

                


2) Push force
The purpose of the experiment is to test the solder joint strength of the components.






keywords:Underfill Flip chip High precision SMD PCBA Cleaning