Electronics Forum | Fri Jul 14 16:32:55 EDT 2023 | calebcsmt
Does class 2 vs class 3 PCBs effect variance/tolerance in terms of actual positioning of pads/traces? For example, if fiducial is to be at 10mm. What's the tolerance for class 2 vs class 3? [variance allowed] Does panelization have any effect on t
Electronics Forum | Sun Oct 01 23:46:24 EDT 2023 | seonr
Hey folks, I have a few designs that I'm using a MEMS I2S microphone on, and the PCBs have to be cleaned as I use water based SAC305 - but the supplier states to NOT ultrasonically clean their microphones. Has anyone here been through the process of
Electronics Forum | Mon Oct 02 11:52:22 EDT 2023 | proceng1
We have these thin and flexible sheets of fiberglass that we sometimes use to send boards through reflow that can't ride the edge hold fingers. We've had these sheets for a decade at least and have no idea what they are or where they were purchased
Electronics Forum | Thu Oct 05 13:24:42 EDT 2023 | rgduval
So, a couple of things... First, you're asking about water washing a part, but, note that the manufacturer says to NOT ultrasonically clean their microphones. Those can be two different cleaning types...assembly shops using water wash may not be us
Electronics Forum | Tue Oct 17 00:59:22 EDT 2023 | kylehunter
We are getting back into contract assembly work. We have an older Assembleon (Phillips) pick and place machine. In a program file it just stores the part number and footprint as identifying information. If we are running a job for a second time and t
Electronics Forum | Tue Oct 17 03:04:22 EDT 2023 | ttheis
We don't program machines with OEM/supplier part numbers, we use an "internal" or company part number that we assign for each unique part. This internal part number can have multiple OEM part numbers (primary and alternates) associated with it depend
Electronics Forum | Wed Oct 25 20:41:38 EDT 2023 | davef
I received the following ... Boa tarde. Sou o Cap Marcelo da IMBEL FMCE e necessito informação, se possível, de empresa autorizada a fornecer a manutenção corretiva da Pick and Place CSM 84 V III, no Rio de Janeiro ou outro estado do Brasil. Atencios
Electronics Forum | Fri Oct 27 15:03:29 EDT 2023 | proceng1
As Tom said, we assign internal P/Ns and list all the "approved sources". If the customer BOM includes their own internal part number, we simply add the Customer Prefix, and use their number. If they don't, we utilize 'CUS-R0001' format. This can be
Electronics Forum | Sun Jun 17 09:48:05 EDT 2018 | sarason
I presume the dongles you talk about are for an application called HLC from JUKI. The 2 different versions are for the later 2000 and 3300 and FX series the other key for the older 700 series. There is another way to solve your problem. AN applicatio
Electronics Forum | Thu Dec 21 10:20:57 EST 2023 | jeana
Thanks for the quick reply :) We've used some classic feeders that we repurposed ourselves by switching the original optical barriers (index wheel and motor wheel) with twice the resolution. It gives okayish results, not great, but the 0402 is alig
