Electronics Forum | Fri Oct 21 08:19:15 EDT 2005 | Jim
We are experinecing adhesives left on the boards after running taped boards for placement verification on NPI. We've been using 3M double sided (333) tape for over 15 years. Any other suggestions on a good tape to use? This may be a quality issue
Electronics Forum | Sun Aug 27 20:30:53 EDT 2006 | darby
AJ, We use all ENIG boards. After opening, any remaining boards are kept in low humidity keeping cabinet. I have never experienced a problem using this method I think the longest I have kept them this way is eighteen months. We also store any open tr
Electronics Forum | Mon Sep 30 09:40:57 EDT 2019 | proceng1
One thought. Since this machine uses the camera as the board sensor, I've had a metal board support right where the camera sets up to detect the incoming board. Try loading the board after removing all the board supports. If it loads, then try som
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 Jun 26 17:40:21 EDT 2003 | Steve
Wanted to inquire if anyone has a way to monitor cleanliness of boards that are assembled with a no-clean process. I'm aware that incoming board cleanliness can be monitored, however, I am after checking of cleanliness of boards after assembly. Wit
Electronics Forum | Fri Apr 23 10:18:48 EDT 2010 | spitkis2
Graham, When performing such a temperature variation test, do you attach the thermocouples so that they are in contact with the PCB's pads or are they reading the air temperature? If they are attached to the PCB, I take it you reposition the board
Electronics Forum | Tue Jun 01 17:55:30 EDT 2004 | black5629
I am new with MPM printer,need help.I am trying to teach a new board, after selecting targets,when I exit teach vision ,it errors out "Board Model Not Found". Board orientation is correct. The books talks about Vision Y not squared to axis. Does anyo
Electronics Forum | Wed Jun 17 16:08:37 EDT 1998 | upinder singh
We are facing a problem of high contamination on boards after wave soldering. We want the contamination to be under 24 ugm/inch square. We are using a no clean flux with the spray fluxer unit of wave soldering. The contamination is higher on the end
Electronics Forum | Fri Sep 29 13:07:39 EDT 2000 | Stuart Adams
Can someone recommend a company that will X-Ray my boards and provide some analysis of the results ?? I just got a lot of assembled boards back with a large number of bad boards (after several sucessful runs by this assembly house) I am trying to f
Electronics Forum | Thu Jul 06 13:31:35 EDT 2000 | Michael Parker
Thanks Dave for the right methods that will get Patrick out of his mess. As long as one is a "Do it yurselfer". I still advocate having the supplier accept responsibility and clean the boards. After a bit of elbow grease, some cussin' and lost time I
