Electronics Forum | Fri Jul 06 18:17:34 EDT 2001 | davef
We find no solder balls after washing our boards. It works GREAT!!! ;-) Probably more to the point, look at "Circuits Assembly" 7/01, p 40, "Eliminating Solder Beads In No-Clean PCBs". "Solder mask type & composition are the greatest contributor t
Electronics Forum | Wed Jul 18 02:05:30 EDT 2001 | winnifred
Steve, To clean the RMA processed boards, u hv to make sure u talk to the supplier first, then get the right saponifier and do semi-aqueous cleaning.
Electronics Forum | Fri Jul 06 08:55:46 EDT 2001 | onset
Question, on a pc board that is .060 thick what should my v-score depth be? WE are currently using a v-score that leaves a remaining web of 15 thousandths is this adequate, or should we be going deeper?? thanks in advance
Electronics Forum | Sat Jul 07 04:30:23 EDT 2001 | johnw
Dave this seems to be happining at placement altough when u run cal board the palcement is fine could the glue density be causing this
Electronics Forum | Tue Jul 10 18:03:49 EDT 2001 | pzohbon
Does anyone have a recommendation for a cleaning solution used in an ultrasonic cleaner for cleaning RMA solder paste off stencils and adhesive off pcb boards. I am going to be evaluating Armakleen 2001, Zestron Vigon SC 200, and Aqueous Technologies
Electronics Forum | Fri Jul 13 14:56:01 EDT 2001 | stevenamacdonald
One of our board vendors recently switched their stencil design to home plate apertures. Since the change the quality and yield of their PCB's has went south, Could this process change be the cause?
Electronics Forum | Thu Jul 26 18:14:19 EDT 2001 | Andy
Doug, This could be our KS100 or KS50. We have a bank of cameras mounted above a conveyor. We're based in Minneapolis. I don't want to flood the board with advertising so if you need any info, please email me. Andy
Electronics Forum | Wed Jul 18 20:58:54 EDT 2001 | Charles A. Harper
Two more recent books are Electronic Packagind and Interconnection Handbook,Third Edition,2000; and High Performance Printed Circuit Boards,2000.I served as Editor for both.Charlie Harper PS to Dave Fish-Please contact me regarding two new books usef
Electronics Forum | Thu Jul 19 22:31:42 EDT 2001 | Pete
Received an info that the longer the oven the higher the throughput. What's the formula when calculating oven throughput ? say, i have the following: Oven Length : 266 cm Conveyor Speed: 29cm/min PCB Length: 29 cm Gap per Board: PCB Length x 0.5
Electronics Forum | Mon Jul 23 00:51:06 EDT 2001 | Anthony
I was wondering what the ussual cost to have a board build by an C.M. I'd guess they charge by the component but how?
