Electronics Forum | Mon Jan 18 21:05:15 EST 1999 | Dave F
| I get white residue on my PCBs after vapor degreasing. No comments on the vapor degreaser. Yes, I still use one of these. I use a vapor degreaser and a 1,1,1 replacement solvent due to the quick clean and quick dry times. Anyway, I only get whi
Electronics Forum | Fri Jan 08 10:00:26 EST 1999 | Chrys
| Has anyone done head-to-head comparison between these two? If so, what were pro's and cons of each? Which choice, if any, was made? | | We here are looking into implementing an SPC program for Wave Solder. The tool would be used once or twice,
Electronics Forum | Thu Dec 24 01:38:36 EST 1998 | Chris Grendler
I need advice on a pad design which several other engineers whom I work with would like to try. I think it is an utterly crazy but I can't seem to convince them differently. My current 0402 chip pad sizes on alumina and FR4 substrates are .022"X.
Electronics Forum | Fri Dec 18 10:00:19 EST 1998 | Chrys
| Does anyone out there have one we are currently looking at one from a used equipment dealer and would like to know how they work? Good or bad for SMT? | Good or bad for high volume Thrue Hole? | | Thanks Again, | Brian Steelglove | American Prec
Electronics Forum | Fri Dec 18 12:14:10 EST 1998 | Brian Steelglove
| | Does anyone out there have one we are currently looking at one from a used equipment dealer and would like to know how they work? Good or bad for SMT? | | Good or bad for high volume Thrue Hole? | | | | Thanks Again, | | Brian Steelglove | | A
Electronics Forum | Thu Nov 12 03:58:10 EST 1998 | Earl Moon
| What are the factors that go into determining PCB Board temperature requirements for the Wavesolder process? Most of the recipes I've seen call for preheating the PCB to around 230F - 250F. This temp is about 210F - 230F below the typical solder te
Electronics Forum | Wed Oct 28 16:54:17 EST 1998 | Dave F
| Sirs, | | what would be a good way to judge the reliability/robustness of a stencil printer or chip shooter? | | Does any equipment supplier specify detailed maintenance schedules? Is there a source of machine failure data (MTBF, etc.)?
Electronics Forum | Fri Oct 23 16:01:18 EDT 1998 | Earl Moon
| I need some info on how to stop the bridges I'm having on | radial and axial parts that are in the same place on every board. I'm also having problems with sot-25 bridging. I'm using a Electrovert E-pak. I tried leveling the machine,solder pot, an
Electronics Forum | Tue Oct 20 11:37:38 EDT 1998 | Stefan Witte
All SM machines pick components with a vacuum nozzle. Most likely the component is picked in the geometric center, which may not be the center of gravity ( SOT 23, SO 89 ). Any other pick position than the center may be taught upon requirement, but y
Electronics Forum | Wed Oct 28 19:45:33 EST 1998 | Ron Gilman
I will try to answer some of your questions. My name is Ron Gilman and I am President of Chipscale Robotics here in Fremont California. We manufacture Die Pick & Place equipment and would be happy to send you brochures. Please email me with your a
