Electronics Forum | Tue Nov 07 12:07:10 EST 2023 | tommy_magyar
We are mounting an microphone device (SMT package) onto a PCB - how? Surface mount line or hand soldering? Contamination can only come from the solder paste, solder wire, flux, or burning the component/PCB assembly during hand soldering. Unless the
Electronics Forum | Mon Nov 20 14:48:35 EST 2023 | proceng1
Have you reached out to MIRTEC? They can easily connect through Teamviewer and check your settings and see what you see live. It would be way more effective than someone trying to troubleshoot by email. The support tech that we usually get really
Electronics Forum | Tue Dec 12 15:16:22 EST 2023 | proy
Yes we are in alignment of thought on this. Deciding on a value point of keep/toss is always a challenge - availability also comes into play - but this has improved over the last year. This is a matter of - when you do want to keep - short tapes/part
Electronics Forum | Thu Mar 14 16:23:05 EDT 2024 | grayumm
We have PARMI SPI, DSI, Xceed, & BSI. Whoever got conned into buying these machines should be out of a job. So many SW bugs, no clear directions in manual, most functions aren't included in Manuals, etc... I could go on and on. I will say howe
Electronics Forum | Thu Apr 04 09:16:10 EDT 2024 | ianphil
Hi all, looking for some advice. We are in the market for some new pick and place machines and have had a quote for an AM100 from Panasonic. We are looking for flexibility and the ability to handle 0201 inch, all of which this machine seems to be abl
Electronics Forum | Thu Feb 17 14:10:37 EST 2000 | C.K.
I'd have to agree with JAX here. This forum is intended to be a "Technical Bulletin / Newsgroup" and nothing else. Truthfully, these posts of the "old-timers" announcing their departures is getting..well.....OLD. I hate to see the Old-timers leave
Electronics Forum | Thu Feb 10 10:28:56 EST 2000 | Russ
Okay, Okay, here is the rest of the story! These boards were definitely plated, reworked to HASL, The component that is the most succeptable is a 160 pin QFP .5mm pitch. This component has nickel/iron lead frame. Significantly reduced apertures (1
Electronics Forum | Sun Feb 23 14:32:42 EST 2003 | davef
Sources of sulphur in PCB fabrication are: * Some locales have high H2S concentrations in the air. * Metal etching steps that use sulfuric acid or a sulfonated buffering compound may result in sulfate residues. * Sulfates can come from contact with
Electronics Forum | Tue Aug 22 10:22:59 EDT 2000 | Wolfgang Busko
Mark: The fact that these daughter boards have to be attached to the TSOP-footprints is what makes the thing difficult cause they will be greater than the original part. One could think that a LCC-design allows for proper routing. But when it comes t
Electronics Forum | Tue Apr 25 18:51:06 EDT 2000 | Steve Thomas
We have quite a few stencils that either are debonding, have debonded, or we suspect will debond when we can least afford for it to happen. The epoxy is coming loose from the foil, but remains attached to the webbing. All the stencils that are comi
