Electronics Forum: 2.2.5 (Page 1 of 1)

Samtec Searay 500 pin connector solder wicking issue after reflow

Electronics Forum | Tue Jan 14 11:53:44 EST 2020 | avillaro2020

Hi Phil, thanks. I am successful using the same connector on small thinner boards 2-2.5kg) i cant make it work, tried all kinds of profiles with vapour phase but to no avail. Yes you read it right 4.3-6.3mm pcb thickness and 2-2.5Kg. And it is 44 lay

Lead free component VS vision on Mydata M12

Electronics Forum | Tue Nov 08 15:44:35 EST 2005 | Red

I just received a reel of RoHS parts but I have a rejection rate of 15% since I started using it.Does anyone has experience this so far? My machine Mydata My12 with TPsys 2.2.5e

"Gap" in completed solder joint between lead and pad

Electronics Forum | Tue Nov 28 20:12:41 EST 2006 | davef

We don't have a gap between the lead and the pad after a SM joint is soldered. On our boards, this space is filled with the solder intended to attach the component to the board. How high do components sit above the surface of a board? Most people a

bulbous joint

Electronics Forum | Mon Feb 23 20:19:15 EST 2004 | greg york

Has anyone ever seen a bulbous joint (on 1 side > of 1 designator) on every board? I checked the > preheat profile at the wave and have played with > dwell times but can't get rid of it. I checked > the archives and didn't find much. Any help wou

"Gap" in completed solder joint between lead and pad

Electronics Forum | Wed Nov 29 10:10:50 EST 2006 | M. Sanders

I'm sorry, Dave - I didn't make myself very clear. Yes, this space (not really a "gap") is filled with solid solder. For instance, if you place a gull-wing component in solder paste, after reflow, there will probably be a thin film of solidied solder

Acrylic Coating De-Wetting?

Electronics Forum | Tue Jul 25 16:08:52 EDT 2017 | dontfeedphils

I'm currently working on bringing a manual coating process/workcenter online and my QA team is giving me some grief. For background, we're using Humiseal 1B31 thinned with thinner 521, mixed at 1:1 by volume. Spraying through a Binks HVLP with 10 P

Ag/Pd termination reflow soldering issues

Electronics Forum | Wed Apr 18 08:14:20 EDT 2007 | davef

Silver palladium termination * AgPd-terminated capacitors are designed for conductive adhesion. Reflow or wave soldering is not recommended. [EPCOS Multilayer ceramic capacitors, Soldering directions, October 2006] * CONDUCTIVE EPOXY BONDING. Epoxy c

Ultra low cost pick & place?

Electronics Forum | Mon May 12 18:45:57 EDT 2008 | locostpp

Hi All, We are embarking on the design of an ultra low-cost pick and place machine for use by small manufacturers & would appreciate some input. Here are some points: Low cost - in the region of $6-11k (higher cost versions faster) Two cameras (up

Re: PCB fab supplier supplier/evaluation

Electronics Forum | Sun Aug 08 11:15:32 EDT 1999 | Earl Moon

| | Mike, | | | | Got your message and those of others concerning PCB fab supplier evaluation and qualification check lists, etc. I have a severe problem here in WI as I can hardly access the internet, and when I do it is cut off abruptly for no goo


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