Electronics Forum | Tue Dec 19 11:40:47 EST 2023 | jeana
Hello everyone, We recently got a Quad IVc machine with PPM software on it. We are struggling with 0402, as we get plenty QuadAlign failures. We ticked Vision on failure, so that we limit the amount of rejected parts, but on 0402 Vision system gi
Electronics Forum | Thu Sep 23 18:36:55 EDT 2021 | billmeye
Attached is a good starting point. We also have Mydata and have had many different people providing names. Some used standard units, other metric. Try to stick with all metric and use prefixes that match up with the component type and pin count if
Electronics Forum | Wed Sep 02 15:02:36 EDT 2020 | SMTA-64387501
We have recently received some pre-tinned "flat lead packages" and the question I have relates to the definition of solder touching the component body of the part. Typically when I have gold lead parts tinned there is a gold gap between the tinned po
Electronics Forum | Tue Dec 13 20:56:54 EST 2005 | Kathy-Sunnyvale
Dear All, Our star-up company will be operated in soon, but I still have many questions and concerns about SMT pick&place machine (being good for 0402 and BGA componens)since there have too many kind of machine with various grand name such as Amist
Electronics Forum | Wed Feb 19 15:16:35 EST 2014 | jlawson
Gerber in general is not best data set for assembly, alot of processing has to be done, manually or via software tools, all with their nice features, but as you state there is no actual datum XY , pin 1 , rotation references thus has to be 'generated
Electronics Forum | Tue Aug 21 21:39:19 EDT 2001 | davef
1) why is No-clean (NC) the preferred process, for BGA mounting by SMT? Probably the same reason NC is the preferred process for mounting non-area array SMT components. 2) why is water-soluble (WS) not a hot choice? There�s not reason not to use
Electronics Forum | Fri Mar 17 21:38:55 EDT 2017 | jlawson
I think the main driver is MTBF data driven by the Car OEMS, mainly german makers pushing this onto suppliers in supply chain. Vacuum soldering and void reduction is a hot topic for the leading electronics suppliers in Germany at the moment. Is not r
Electronics Forum | Tue Sep 26 12:01:30 EDT 2006 | sliebl
We have solved our MCSB problems by using standard homeplate designs on all of our resistors and caps. I use a 50% taper and have achieved great results with 0402-1206 parts using both tin/lead and SAC305 paste. We use Amtech paste.
Electronics Forum | Mon Aug 16 09:45:10 EDT 2010 | flipit
I placed almost nothing but 0402 components on the Contact 3AV and 3Z machines I had. I will admit that there are better machines for placing 0402 components. Not sure why the 3AVX would perform poorly at 0402 placement. The feeders have a X & Y a
Electronics Forum | Mon Aug 25 16:26:52 EDT 2008 | wrongway
every time that i have seen that kind of problem where I work it always seems to be a problem with the parts having comtamination on the leads is it just one part # giving you problems our all 0402 parts on that assy having problems if its just o
