Electronics Forum | Thu Nov 21 06:36:30 EST 2002 | Ben
I'm doing SMT of lead-free solder BGA on FR4 Ni-Au PCB. The solder paste I'm using is Sn/Ag/Cu and reflow with peak temp at 240C. I found there are voids(1-2) in almost every solder joint(500 micron in dia) under xray. And the void size is violate th
Electronics Forum | Mon Jul 22 09:53:13 EDT 2019 | kylehunter
Hey all! As background, I recently purchased a full SMT line for my company. We have a DEK 265, an assembleon opal xii, and a Heller 1500. Currently our jobs are leaded, and the heller is working perfectly. An upcoming job that we are potentially g
Electronics Forum | Mon Sep 13 12:19:42 EDT 1999 | Earl Moon
| | Okay guys (and my fellow lady lurkers), I am trying to determine WHAT the segmentation is for the products in the pick and place industry. | | | | For example, I know in screen/stencil printing, there are manuals, there are semi-automatics, mid-
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