Electronics Forum | Fri Mar 21 10:16:00 EST 2003 | O'Connor
Hi, Is there a standard that covers the shelf life of PCB's? I need to know, how long after manufacture a PCB can be stored in an uncontrolled envoirnment exposed to the atmosphere before being built on, currently we say 1 year, but nobody really kno
Electronics Forum | Wed Apr 02 09:25:32 EST 2003 | davef
RDR The most common cause of dewetting is from a fabricator using any form of abrasive (e.g. pumice, abrasive brushes etc.) on copper. With this process, abrasive particles get implanted into the copper (often actually swaging copper over some of th
Electronics Forum | Mon Apr 28 11:52:28 EDT 2003 | hruiz
Thanks for your responses, as gregp says, one hour in changeover is not good when you run only 10 panels, we alredy do from 10 panels to 2500 boards per run, depends on the product, we already have a pre-kitted area mounted in their respective feeder
Electronics Forum | Tue Apr 29 16:42:29 EDT 2003 | razor
Not to sound too much like a clich� "The solution to pollution is not dilution." I would not be one for adding yet another variable to my solder pot. If your PPM is double digit, control of solder defects can become tedious, who's to say which cause
Electronics Forum | Fri May 16 11:42:06 EDT 2003 | JB
We have used "feeder templates" in the past to keep components, that are shared by different products, on the same feeder slot number and it has worked well for us.We create a "master set up" say for product A that use 60 different components, the ne
Electronics Forum | Tue Jun 10 18:54:12 EDT 2003 | fastek
Sorry guys. I'm not in agreement with your nightmarish vision of a Matrix based future. As a guy who has worked in the trenches since the 70's myself....I would say that anything that replaces humans in this business is a good thing. I've seen the ev
Electronics Forum | Wed May 12 16:31:30 EDT 2004 | knollsystems
Hello Solder Doctor; I would be very interested in your file regarding wave process improvements. I have sent an email to you and I hope it gets to you. I have found some other tips from Speedline Technologies. They have a trouble shooting chart th
Electronics Forum | Thu Jun 19 10:22:53 EDT 2003 | A J. Morin ...of A. R. T. (Automation Resources & Technologies)
I would like to say that if anyone is having problems getting technical support service for their equipment and have not registered their equipment and paid that fee,you may get service by contacting A J Morin (of ART) and we may be able to service y
Electronics Forum | Sat Jun 28 08:17:21 EDT 2003 | davef
We form a barrier to contain the dye, but regardless it is messy. Actually, we no longer use dye, per say. We use the stuff machinists use for staining metal. Look here for hints: * http://www.ivf.se/Elektronik/dye_penetrant/edefault.htm * http:
Electronics Forum | Wed Jul 02 10:19:08 EDT 2003 | caldon
It kills me when people say "We have been doing this for 10 years and we will not change" guaranteed one day the shite will hit the fan when they have a screw up. We have ran into this before... Until/unless they are willing to work with you you wil
