各位大侠: 请教一下PCBA在过波峰焊时,有时会因为元件的阴影效应而产生部分元件未焊锡。 阴影效应具体是如何产生的?如何消除影响? 谢谢各位的赐教! ________________________________ Best Regards! QC Department HLM Phone:+86 592 560 5016 E-mail:[log in to unmask] [cid:_Foxmail.0@AE895741-466D-4EB9-9A2F-BBAE961C2008] ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________