Electronics Forum | Tue Oct 31 14:52:25 EST 2000 | Dr. Kantesh Doss
Hi Antonio: You clearly have printed excessive amount of solder paste on the pad. You can reduce the amount of paste by one or two methods: 1. Switchover to 5 mil thick stencils. 2. Change the design of your stencil openings (at the discrete compone
Electronics Forum | Thu Jul 25 00:42:02 EDT 2013 | felo188
Hello everyone! I have problem with using vision in csm v60. Below describe: 1. Machine's third head takes one IC from tray 2. Goes to vision and take picture and moves IC 3. Goes to pick and place 4. When nozzle wants to place IC on board the
Electronics Forum | Fri Sep 11 15:27:50 EDT 2015 | u4bga
Hi! We're noticing white spots on 2 PCBAs after the selective soldering & DI Wash processes. ----Facts---- 1) The marking is on all boards, irrespective of date code 2) It only happens on leads that have been selective soldered 3) The pattern of w
Electronics Forum | Thu Apr 11 10:17:17 EDT 2013 | ericrr
Some times the PCB manufacture sends PCB panels with bad circuits, there are three ways to make these PCB without placing parts on the bad circuit, Well two in fact plus my method. (1) Placing a light mark on a dark background (or reverse) then the
