Electronics Forum | Thu Jul 24 03:33:30 EDT 2014 | edriansyah
Hi All.. I need your advice, when you send your boards to be analized by external lab, what kind of result would you expect from them? Do you expect them to find the root cause of the problem and give countermeasure of the problem? (this is what I e
Electronics Forum | Tue Sep 12 14:35:41 EDT 2017 | deanm
In trying to have things run smoothly with placement, I have to do a lot of theta adjustment to get the rotation right during placement. Even if the part looks good on the PnP machine screen sometimes it places differently than what is shown. If I u
Electronics Forum | Tue Apr 30 10:29:42 EDT 2019 | spoiltforchoice
Well to some extent, but with QFNs, device manufacturers seem to have really gone to town with inventing new shapes and sizes. So while you could certainly generalize a bit with QFPs with common shapes like a TQPFP100 for instance; thats harder with
Electronics Forum | Mon May 20 12:01:37 EDT 2019 | gregoireg
I have a PCBA job which has on the top side a few standard QFN components (0.4mm pitch) and a big module (35mmx60mm) with 1.13mm BGA pads: https://imgur.com/a/YUGgejW To be clear, this module is composed of a PCB with some components on top and some
Electronics Forum | Mon Jun 10 14:10:08 EDT 2019 | griinder
I am able to create a single board program using gerber and centroid, and teaching footprints. I can then assign 2 global fids(a third never seems to display in Ceditor), and export my pad file. I then open it in ceditor and export the job file. Load
Electronics Forum | Tue Dec 03 18:51:57 EST 2019 | kylehunter
Hi all, We are having a confusing defect with one of our client's boards. It is a large board, 30" x 12". The client supplies the LEDs, they are cheap overseas diodes, and it is not uncommon to have reels with the packaging torn. We have w
Electronics Forum | Thu Nov 05 23:24:56 EST 2020 | neosroger
I would like to request your expertise on which pasta printer to purchase: MPM Momentum + EKRA XPRT 3 Both of them are refurbished/ reaconditoned. The MPM includes several perpetual Software licenses but it is almost double the price of the EKRA
Electronics Forum | Thu Mar 25 19:07:22 EDT 2021 | llawrence
That is all a lot to take in, but thank you all for the recommendations. From what I understand, I'm going to start by ordering a new polished 0.1mm stencil with size reduced apertures and seeing if reduced paste deposit will help. As for the sten
Electronics Forum | Wed Apr 14 19:47:13 EDT 2021 | solderingpro
Sounds like you may have already found the issue: inconsistency from your supplier. Seeing as Gold really doesnt oxidize and you're using an inert environment (N2 I suspect), I would turn my attention to the supplier. You said yourself, the "Shine
Electronics Forum | Thu Sep 09 14:32:00 EDT 2021 | kumarb
I would switch PCB shops. Unless your oven profile is out of spec, consider a different PCB supplier. We have sourced very high volumes of PCBs (4L-6L) from offshore and can recommend a list of quality shops. Shops that we can recommend are: Sunta
PCB Libraries' "Footprint Expert" suite uses CAD LEAP(tm) Technology to greatly simplify footprint and 3D STEP model creation; it is used by tens of thousands of PCB designers and engineers all over the world.
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