Electronics Forum | Thu Mar 22 14:12:09 EST 2001 | slthomas
Interesting...the very reason we use water soluble paste on some of our boards is for that reason, although I've never been able to get anyone to show me something in print that supports it. It's just what engineering has told me. We currently have
Electronics Forum | Fri Dec 10 12:40:44 EST 1999 | Brian W.
It sounds like the process is very labor intensive, and all the verification is done after the parts are soldered. Assuming you are hand placing the components: 1 - Contact Systems semi-automatic placement machine. It show polarity when placing, so
Electronics Forum | Mon Jun 21 16:11:41 EDT 1999 | John Thorup
| | I am finding that some of our IC's are coming from the supplier with the humidity gauge in the bag reading 10-20%. Has anybody done any tests to determine what humidty level in a package will cause problems during reflow? | Usually a proper m
Electronics Forum | Tue Apr 27 09:31:45 EDT 1999 | Robert L. McCallum
On circuit board assemblies first pass yields need to be above 98%, if a supplier is below this level it is a indication that: he has poor control of the manufacturing process; Poor component selection (price over quality; excepted a poor design from
Electronics Forum | Wed Sep 09 13:12:34 EDT 1998 | Dave F
| Hi, | I work at a service department in Portugal and we are recently ISO9002 compliant. After our 2 billion audits, they asked us to improve our soldering documentation by joining information on soldering and desoldering regular and SMD IC's, like:
Electronics Forum | Fri Jun 19 19:05:06 EDT 1998 | Earl Moon
| What is the smallest a company can be to be ISO ? | Is the cost less for a smaller company ? | What is the smallest I have been, among many other terrific things, an ISO consultant since 1987 (when ISO first came to our shores). During this time
Electronics Forum | Tue May 19 14:55:47 EDT 1998 | Dave F
| I am in the process of documenting the SMT process for the PCB Dept. I wonder if there may be something out there already formatted, I want to do an overall procedure instead of individual ones for now. Pat: We write our work instructions for in
Electronics Forum | Mon Dec 17 21:49:46 EST 2001 | davef
For an accounting standpoint, there is nothing you can do to affect depreciation, aside from selling the machine, as mentioned by a previous poster. From a physical degradation standpoint, there is nothing that you can do to stop operators and techs
Electronics Forum | Wed Jun 19 00:07:10 EDT 2002 | kenbliss
arzucom, have you considered using trays to handle your boards in process and your handbuilds. This method is fast becoming the industry standard method for a large variety of reasons, specifically ESD as when the boards are in the tray your people
Electronics Forum | Wed Jun 19 00:07:31 EDT 2002 | kenbliss
arzucom, have you considered using trays to handle your boards in process and your handbuilds. This method is fast becoming the industry standard method for a large variety of reasons, specifically ESD as when the boards are in the tray your people
