Electronics Forum | Mon Nov 12 19:02:48 EST 2012 | jmartens1978
My first attempt was similiar to that. It was a straight ground trace running past the circular pads that were recieving the shocks. It was hit and miss when the arcs would occur. When I cut notches in the trace so the ground line had a point next to
Electronics Forum | Thu Jan 25 09:45:54 EST 2007 | SWAG
You might consider installing a noise kit as it sounds like you've tried almost everything else. Electrical interference on these machines causes erratic problems, especially as they get older. I would call Speedline tech. and see if they think the
Electronics Forum | Tue Feb 23 09:21:15 EST 1999 | Steve Schrader
| During inspection and test we find leads which do not get soldered. Some are because of insufficient paste, but with others everything looks right. This will only happen on 1 to 2 pins, and it is not isolated to a specific type of ic or location o
Electronics Forum | Mon Nov 07 19:33:10 EST 2011 | swag
We have four pick and place machines all exibiting a residue that seems to build up over time on wiring and electrical components. This residue appears as a white haze on wiring, caps and fuses (these are the components where it is most obvious). Y
Electronics Forum | Wed Mar 10 12:02:07 EST 1999 | Craig Holloway
Looking for advice/products on ways to get heat out of a package and into an internal thermal plane. Will have electrically isolated thermal pads (going to an internal thermal plane) under the part. Need a way to get good thermal contact between par
Electronics Forum | Thu Mar 11 11:58:18 EST 1999 | P.L. Sorenson - Technical Consultant
| Looking for advice/products on ways to get heat out of a package and into an internal thermal plane. Will have electrically isolated thermal pads (going to an internal thermal plane) under the part. | | Need a way to get good thermal contact betwe
Electronics Forum | Wed Nov 09 09:09:27 EST 2011 | swag
By no means clean room but pretty clean environment. We have ultrasonic air humidifiers maintaining our air at about 45 RH. I agree with you about airborne stuff attaching to electro-static. It's a mystery why it is isolated to four machine, thoug
Electronics Forum | Wed Jan 17 12:10:47 EST 2018 | guilherme_castro
I have the follwing problem in our proccess we have to many problem with via hole and trought plated holes like voids air bubbles . During the eletricial test process our machine is not detecting this problems , the voids and air bubbles How
Electronics Forum | Tue Aug 18 10:18:22 EDT 1998 | Dave Hulbert
I have a question on tenting of vias on PWB's. I have designed a 6 >layer, military, mixed components (all on top side), LPI soldermask >board which will be run over the wave. I was planning on tenting vias >but did not specifically specify that on f
Electronics Forum | Mon Aug 31 14:03:41 EDT 1998 | Bill Childs
I have a question on tenting of vias on PWB's. I have designed a 6 | >layer, military, mixed components (all on top side), LPI soldermask | >board which will be run over the wave. I was planning on tenting vias | >but did not specifically specify tha
