Electronics Forum | Mon Jul 23 20:28:17 EDT 2001 | davef
We run both NC and OA flux, although the majority of our product is run on OA. For application not requiring uBGA, we find the benefits of NC elusive, at best. What? .... Your customer recognizes that initially the NC res in non-ionic, but sticky.
Electronics Forum | Wed Jul 25 09:21:44 EDT 2001 | Stefan Witte
Dave is right that this site has several leads on 0402 placements and tombstoning issues. However, I found a new method of determining the pick position. Remove a component and fill the cavity with silly putty. After attempted pick up you should see
Electronics Forum | Tue Jul 24 20:00:40 EDT 2001 | davef
There is too little heat to make the solder flow properly. Test this theory by profiling on the pad where the solder doesn�t flow well. As the time after posting this thread increases, we generally propose additional theories. Rather than us specu
Electronics Forum | Mon Jul 30 10:23:30 EDT 2001 | hinerman
From the questions that I am asked from week to week, there are a number of key differentiating factors for tooling classes. They could be considered the headings of a decision matrix, where the tooling options are rows and the following items are c
Electronics Forum | Fri Feb 11 14:11:51 EST 2000 | jseagle
To be more specific we have a single Contact 3AV that can run the board in question in 5 minutes from placing the board into the machine till the time it comes out. Volume is expected to be low initially but expected to pick up. It just doesn't fe
Electronics Forum | Wed Jan 26 21:16:28 EST 2000 | Dave F
Mark: It sound like one or more of the following is happening: * Previous heat cycles (ie, reflow, reflow, wave) are degrading the surface protectant * Wire solder flux doesn't have enough stomp to burn through the corrosion. That poor ol' stuff
Electronics Forum | Sun Jan 23 13:36:05 EST 2000 | Mike Gamble
Would anybody like to tell me which is the best show. Reson for asking is I am in South Africa and cannot attend both (time/cost etc!) We are a contract facility and I therefore would like to attend a show that has as broad a scope as possible. Hope
Electronics Forum | Sun Jan 23 09:24:11 EST 2000 | M Cox
I have had good luck buying after market nozzles from SMT research. Fuji CP3 Nozzles, I bought the Heavy-duty version and they lasted 3 times longer than OEM Nozzles. SMT Research buy's their Panasonic nozzles from the same source as Panasonic does
Electronics Forum | Fri Jan 07 01:20:03 EST 2000 | Dennis O'Donnell
Try calling Rick Zaki at (408) 847-0150. Tell him Dennis O'Donnell refered you. Rick is an independent rep that reps several fab companies with different target markets. I use him for all of my sub contract fab and he gets me best quality and best
Electronics Forum | Thu Dec 30 12:17:19 EST 1999 | JAX
Marlies, The terms are one in the same but are used according to how you descibe the situation; i.e. centering refers to adjusting the part where as aligning normally deals with adjusting the vision. NOT THAT THIS IS A RULE. ( different strokes...
