Electronics Forum | Thu Feb 14 07:34:10 EST 2008 | jdumont
How many fell off out of your entire lot? What was the soldering quality like on the ones that didn't fall off (xray, visual)? You need to determine if its a random problem or if even the ones that stayed on are barely on and go from there. If the o
Electronics Forum | Tue Feb 19 09:26:54 EST 2008 | jdengler
The low solids flux that is commonly called no-clean can affect some circuits. We are building a PCB that measures pico amps. The customer required that it be cleaned. We would rather used the low solids and eliminate a step. The customer had
Electronics Forum | Mon Feb 18 17:18:54 EST 2008 | slootj
Has anyone experienced problems with using Titanium pallets when they get hot? I have a product that solders with no defects when the Ti is first used or warm but then have leads that are not soldered when the pallet is hot. By hot I mean it has been
Electronics Forum | Wed Feb 20 08:57:13 EST 2008 | tonyamenson
We test for board cleanliness using an ionic tester. It's been my experience that if your board is clean you take away the possibility of growth even if the unit encounters moisture. We actaully had a problem where our wash lost pressure due to a mi
Electronics Forum | Mon Mar 03 13:09:44 EST 2008 | dyoungquist
We are using a Heller 1707EXL for both lead and lead-free assemblies with no problems. The zones can reach the temperatures needed for lead free. The belt speed can be adjusted so I'm not sure about your "run slow" comment. Maybe the 1707 is diffe
Electronics Forum | Fri Mar 21 12:39:52 EDT 2008 | stevea
Paste Inspection is critical to the overall printing process. There are at least 40 variables to this process. The idea of using only 2D printer inspection or worse yet, 3D (marginal at best) printer inspection demonstrates a serious gap in coverin
Electronics Forum | Tue Mar 18 22:30:20 EDT 2008 | test74
Completely agreed. That is what the DFM is for. It gives you, the contract manufacturer, the opportunity to describe what you find to be the trouble areas for manufacturability. Given that, you are able to make them acknowledge that if they choose
Electronics Forum | Wed Mar 19 12:48:29 EDT 2008 | ratsalad
From what I understand, the major reason Sn prices recently escalated was a crackdown on black market Sn mining in Indonesia, where most of our Sn originates. Add to that increased demand (not necessarily from RoHS, but from China, India, and other
Electronics Forum | Wed Mar 26 09:32:46 EDT 2008 | nibirta
well i do not know if u fixed this problem already. But i cand share form my experience some info with u. We used a vigon A200 solution for such an application. the cleaner is good. But...it gives u troubles depending on the quantity of flux. It can
Electronics Forum | Mon Mar 24 14:19:36 EDT 2008 | burb1999
I have a DEK ELA and here is what happens. I print a board after going through the step and it is a dead on print. Then, with another print it will be off in Auto mode (sometimes up and sometimes down, seems to just be up and down not left to right
