Electronics Forum | Fri Aug 20 13:36:46 EDT 2004 | ttye01
We conduct temperature stress test (-40 to +100C)on our products which sits on our expensive test board. This stress test on our product shorten the life span of the test board due to the extreme temperature change. I have tried epoxy coating on the
Electronics Forum | Sun Oct 24 20:55:45 EDT 2004 | christina
Dear Chris Thank you so much for the prompt reply and it really helps. Do you have any SMT experience for rig-flex boards? Can you share with me about the differences with that of rigid boards? Is there any special precaution needed? When you were d
Electronics Forum | Thu Jan 20 19:45:20 EST 2005 | yohelyav
We are looking for news on new or used Surface Mount Machines to buy, rent or lease. We want an assembly circuit board machine: Making circuit boards Important: * must have and be able to run surface mount machines. * load reels
Electronics Forum | Wed Apr 20 12:22:51 EDT 2005 | jdengler
Russ is correct, but you may have variations between board density types also. Some ovens may be able to handle low density boards with no spacing, but need a zone's worth of spacing for high density boards. Other ovens don't need any spacing for a
Electronics Forum | Wed Aug 10 18:14:48 EDT 2005 | rrylande
The boards I am referring to are definitely thick and large. But, on thinner smaller boards, is it OK to bring the board up to those higher temps because it takes less time? Many of the boards I am dealing with (large and small) are reaching 150-15
Electronics Forum | Wed Jan 18 12:59:53 EST 2006 | jeffharley
We are starting a lead free line. My question: Is there a contamination issue with running lead free boards and lead boards after soldering through the same board wash machine? I would expect not it, but want to know if anyone has any experience with
Electronics Forum | Thu Feb 22 23:27:14 EST 2007 | dekhead
If protocol is already manual, does conveyor start when "RUN" is pressed (without board on rail)? Or does it not start until board is placed? Try running UL protocol as "No FMI", put in run without board on rails, place board, press "Confirm". Board
Electronics Forum | Wed Mar 24 00:03:20 EDT 2010 | boardhouse
Hi Itzik, it looks like you receive a board from your manufacture that they did solder mask rework on. it looks like they stripped tried to strip the mask off the board. Was this the only board that was like this or did the whole order look like th
Electronics Forum | Thu Jan 13 17:46:04 EST 2011 | davef
We've never seen the defect that you describe, but in wave soldering-land blowholes usually are caused by moisture in the board that out-gasses through the too thin plating of through holes. * Bandaid fix: bake the boards * Long-term fix: Obtain boar
Electronics Forum | Fri Feb 24 08:16:10 EST 2012 | ngineer
My Quad IVc checks fiducials on the board, but only on the first board of the run. all subsequent boards are not checked. How do i change this so all boards are checked / aligned to their fiducials? The first board always comes out a bit better th
