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Andrey Sviyazov andreysviyaz at gmail.comI think we should asking fab to use UV inspection system because of BGA usage. Seems first batch was assembled without any inspection because to small q-ty. On other hand, we have only two broken boards and I am not sure why. Best regards, Andrey Sviyazov. 2012/11/12 John Orlando <john at epiq-solutions.com> > <snip> > > > > A visual inspection, e.g. using a photos of boards, as I described, > > might help as well. > > Does the assembly house for the UmTRx have access to an AOI (automated > optical inspection) setup? This is what you want, and is essentially > what Alexander described previously: you work with the assembly house > to get a "good" board built, then they train their AOI setup to > inspect each board that follows to check for assembly issues that > don't match what was done in the good build. This process isn't > perfect of course, but we've found that it cuts down on assembly > issues considerably. > > This shouldn't add any significant cost to the build, and honestly, I > don't know if I'd even consider using an assembly house that didn't > have this capability. It is a major time saver in the end. > > -- > John Orlando > CEO/System Architect > Epiq Solutions > http://www.epiqsolutions.com > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/umtrx/attachments/20121112/5a1ddbe5/attachment.htm>