Electronics Forum | Sat Aug 09 19:25:07 EDT 2008 | thaqalain
Thanks for reply Thats in my mind to remind Process team to modify MPI. We already having some trouble with other components and my eyes were focused on specific problems +what was specifiewd in MPI to be see closely. Do you think we need to revise
Electronics Forum | Tue Aug 12 08:25:45 EDT 2008 | sumote
We have had a few circuit cards come off the end of the oven and get damaged. Most cards have no problem sliding onto a ramp, but a few don't fare so lucky. Has anyone had any luck using a motion detector with an audible alert? I tried google, but I
Electronics Forum | Thu Aug 14 16:18:08 EDT 2008 | mbnetto
Hello I'm mounting a notebook board with the memory conector manufactured by CONCRAFT. We are facing some soldability problems with this conector because some ground leads don't solder on the pads. I tried 4 different brand of solder paste, tried to
Electronics Forum | Fri Aug 22 13:10:51 EDT 2008 | bschreiber
The folowing articles are available at: http://www.smartsonic.com/article.html "Why Not Ultrasonic Cleaning?" by William Kenyon "Damage-Free Ultrasonically-Assisted Cleaning of Printed Circuit Assemblies" - by B.P. Richards et al "Does Ultrason
Electronics Forum | Wed Aug 27 08:06:43 EDT 2008 | davef
Thick, hard conformal coatings of acrylic, urethane and epoxy have a well documented history of causing solder joint cracks and breaking glass/ceramic and other brittle components. Dissimilar expansion and fairly high surface bond strengths of the ma
Electronics Forum | Wed Aug 27 17:12:34 EDT 2008 | mikesewell
Silicone contamination could appear as fisheyes or dark spots under UV light. 1A33 can be heat cured but is a single component oxygen cure coating - it needs a source of oxygen to cure. An unvented oven may slow or limit the cure. Check out the TDS
Electronics Forum | Thu Sep 11 04:59:24 EDT 2008 | mun4o
10x , davef, about LEDs - the problem is , that about 1% of all leds wich we soldering have some defect - not blinking, when I make functional test.I chek 300 leds before solderinig - all is ok.After reflow 1 led not blinking, after SW 3 leds not bli
Electronics Forum | Tue Sep 16 16:03:43 EDT 2008 | vladig
Well, typical content of Pb in Sn/Pb polating is a few percent (just to mitigate Sn whiskers growth). Therefore, the lead finished with SAC305 won't be much different from those finished with Sn/Pb. You can make one or two cross-sections for sanity c
Electronics Forum | Wed Sep 17 05:41:16 EDT 2008 | ralphspm
Can Fuji machines such as IP1 and IP2 utilise 2mm pitch feeders provided by Hover-Davis? Has anyone used them on an IP1 or IP2, and if so were they effecient? Does anyone have 2mm pitch feeders that utilise an Fuji IP1/IP2, for sale? We are currently
Electronics Forum | Fri Sep 19 06:02:34 EDT 2008 | jlawson
Not that trying to sell anything, but Valors new vPlan system is a scalable software that can read gerbers and other CAM/CAD formats, can extract component positions, add polarities prepare job with BOM import, verify CAD to BOM and generate Topax-X
