Electronics Forum | Thu Feb 09 20:12:51 EST 2017 | imarkl
Any advise about dewetting defect occurrence during 2nd pass reflow. Commonality on affected PCB having water marks near affected pad(s). Elemental composition found on affected pads without solder paste are Silicon and Sulfur. As well as in pad with
Electronics Forum | Tue Aug 13 11:21:04 EDT 2019 | slthomas
A profiler can't distinguish where your heat is coming from, so if you're significantly imbalanced between top and bottom heat (could be an oven problem or your settings) it might still be a cause. You don't say whether or not your top and bottom s
Electronics Forum | Thu Dec 17 15:53:32 EST 2020 | dwl
for option 3, if you place the connectors on the first pass then flip the board, won't the protruding leads interfere with second pass stencil printing? My vote would be to overprint onto the solder mask. you can print pretty far and still have it w
Electronics Forum | Wed Dec 08 20:47:01 EST 2021 | cbeneat
It's funny, we expanded with 2 additional lines a few years back. Set them up for exactly what you're saying, the end of one is 5 feet from the beginning of another. Operator would only have to pull the magazine from the mag loader, turn around and l
Electronics Forum | Fri Mar 08 16:10:44 EST 2024 | tommy_magyar
Unfortunately no sample numbers. We are building our own products, not a contract manufacturer. We are monitoring AOI, RMAs and rework - this only started in the last couple of months, but top management inclines not to give a target as it may "upset
Electronics Forum | Fri Mar 10 14:44:22 EST 2000 | NickMata
Stuart, Pathway Sales Group 408) 779-0358 Hal Hendrickson Also SurPass Technologies Limited Declan Kennedy 353 91 773274 declan.kennedy@Surpass-tech.com Hope this helps
Electronics Forum | Wed Aug 30 11:10:24 EDT 2000 | Steve Thomas
you also may find that varying the width/spacing of your breakaways affects how they run through a pass-through system, if you utilize one. They can raise he!! with conveyor sensors, throw timing off, send printers into a new cycle before the board
Electronics Forum | Mon Aug 21 15:57:28 EDT 2000 | Ron H
The board and pallet are at room temperature when they pass thru the flux, then are sent thru a pre-heat section, and lastly sent over the wave solder. The exposed portions of the board solder properly.
Electronics Forum | Fri Mar 10 14:44:22 EST 2000 | NickMata
Stuart, Pathway Sales Group 408) 779-0358 Hal Hendrickson Also SurPass Technologies Limited Declan Kennedy 353 91 773274 declan.kennedy@Surpass-tech.com Hope this helps
Electronics Forum | Fri Feb 09 17:46:50 EST 2001 | raton
We've used them for several years now. They have done what they were purchased for and more. But, as time goes on, expectations of them rise, sales and marketing hype them as the ultimate cure-all of all defects, and then disappointment is experien
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