Electronics Forum | Thu Dec 23 15:29:48 EST 1999 | Glen Robertson
Mike - I'm not in the EMS business, but I suspect most of them are very reluctant to reveal much about their quoting process. You might want to try some of the third-party data suppliers like Ceeris (www.ceeris.com), and you can also check the C
Electronics Forum | Tue Dec 28 09:36:34 EST 1999 | Dan Woodward
Certainly automatic placement, preferably with vision system assistance will yield a more repeatable process. Process repeatability (paste deposition, connector placement, reflow cycle, etc.) will be your key to success here. Another possibility yo
Electronics Forum | Tue Dec 21 19:48:27 EST 1999 | Russ
John, we have waved 0603 packages for a long time, We have also started on 0402. Are you concerned with shorting across the component body or to other components? You should have no problems with these parts in a wave process. A couple of things
Electronics Forum | Tue Dec 21 04:01:46 EST 1999 | Hany A. Salam
hello there : Does anyone know the techniques used for troublshooting or repairing the computer RAM modules (DIMM,s). We have a little equipment called simCHECK and it is not always able to locate the problem or the defective part. Do the DIMM desi
Electronics Forum | Tue Dec 28 15:35:21 EST 1999 | Mike Naddra
Edmund, An 0603 component should not fall from the board durring an inverted reflow pass, provided that: Your land geometries are correct for the package type (Start with SM 782 guidlines)- as surface tension of the liquidous solder is what holds
Electronics Forum | Tue Dec 21 13:27:47 EST 1999 | Vince Whipple
Charlie: As far as setting up a spray fluxer.. Are you spraying no-clean, voc free, water soluble? What you would want to do is to run a blank pcb through the fluxer and pop it out before the preheaters. Visually inspect for variations in uniformit
Electronics Forum | Mon Dec 20 07:58:02 EST 1999 | pascal MATHIEU
hello guys ; we are using a fine pitch component(0.65mm) on a thick copper PCB (Cu = 90�m) ; in this case we notice that we are in the process'limits , because the different supplier of the PCB are not able to ensure a good stability of it's process
Electronics Forum | Tue Dec 21 16:47:15 EST 1999 | GERARDIN
Hello Pascal As mentioned by Wolfgang the key issue is the printing process capability. For a thick copper level 90�m we noticed that the pad reduction can be greater than 20% depending on supplier sources. Typicaly for a cad Width = 0.4 we can
Electronics Forum | Thu Dec 19 13:55:35 EST 2002 | John
I don't know what type of boards you are doing but if they are through hole or surface mount. You can get a whole line of used equiptment for pennys these days. I am sure that I could send you a quote for a complete line. The price of used equiptment
Electronics Forum | Thu Dec 19 14:41:11 EST 2002 | Randy Villeneuve
On the outside looking in the cost of manufacturing your board assemblies may look high. I will tell you that it is probably a good price. There are allot of hidden costs in manufacturing and yes equipment right now is cheap but try buying parts chee
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