Electronics Forum | Thu Aug 12 22:26:24 EDT 1999 | Dave F
| | | Q.C. manager asking me about spc's for Mydata Pick & Place. | | | Other then Visual inspection, is there other ways to automate | | | placement inspction? | | | | | | Thanks | | | | | Sure! There are a few automated vision systems available
Electronics Forum | Mon Aug 09 19:03:07 EDT 1999 | ScottM
| | Greetings, | | | | Would like to buy a 3 phase UPS for our Mydata TP11. | | Been looking and generally, sales person's point of view, 10KVA @ $10,000.00 is what they recommend. Seems a lot to me??? | | Called Mydata and suggested 2.2KVA per pha
Electronics Forum | Fri Jul 30 17:26:02 EDT 1999 | John Thorup
| | Surface Mount Components like QFP's in Tray usually comes sealed in an anti-static plastic pack. In case the QFP's were removed from the said anti-static bag for more than 2 weeks, do these components needed to be baked for they might produce so
Electronics Forum | Fri Jul 30 19:58:28 EDT 1999 | ScottM
| | | Hello Netters, | | | | | | I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are
Electronics Forum | Tue Aug 03 13:03:20 EDT 1999 | Dave F
| | I have been asked to supply a maximum shelf life for our assemblied PCB's. I realise this is dependent on so many factors- temperature, humidity, no of layers etc. But does anyone have a formulae for calculating shelf life, or does anyone know of
Electronics Forum | Tue Aug 03 13:03:48 EDT 1999 | Dave F
| | I have been asked to supply a maximum shelf life for our assemblied PCB's. I realise this is dependent on so many factors- temperature, humidity, no of layers etc. But does anyone have a formulae for calculating shelf life, or does anyone know of
Electronics Forum | Thu Jul 29 12:33:38 EDT 1999 | Wolfgang Busko
| Currently, we are baking any PCB before process on SMT, the 'reason' is to dry any possible humidity that could be inner the PCB, it does not matter if the PCB is multilayer or not. We bake PCB's at 107C for 4 hrs and the board must be process into
Electronics Forum | Mon Jul 26 18:03:45 EDT 1999 | John Thorup
| We only do rework with SMT components or a small amount of SMT work. We are having a hard time keeping the components safe throughout the handling process of removing one or two components, and issuing them to an operator for processing or inspect
Electronics Forum | Thu Jul 29 12:24:59 EDT 1999 | DLKearns
| | We are going to smt ic's on the component side of our pcb's. | | The problem is we are going to have to do this by hand. | | We have a hot air station and vac pencil, but How reliable is this process. | | We've tried it on proto's and had some sh
Electronics Forum | Mon Jul 19 11:50:47 EDT 1999 | Mario
| | Hi, SMTASSY | | that�s what we do, soldering our double-sided-finepitch-BGA-and all-the-other-stuff-boards in vapourphase because it�s the only thing we have. | First, we do not do real series produktion, only prototyping up to sometimes 20 uni
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