Electronics Forum | Wed Dec 13 10:11:36 EST 2000 | George
Hello to everyone. I am not a technician of any sort, so I don't even know the name of the part I'm going to ask you about. Basically I learned this stuff by myself. I bought me a Playstation One and tried to install a chip on it. Here's a pic of the
Electronics Forum | Sat Dec 02 21:21:11 EST 2000 | Murad Kurwa
Our NPI division is in a same category. We assemble small quantities and lot of different set-ups. I created a DPMO charting method using Excel that we use at Post Reflow, Post Wave and Final QC. In addition, we use x-r charts at screen print for con
Electronics Forum | Sat Nov 25 18:45:19 EST 2000 | Ashok Dhawan
I am getting black spots / stuff while I run gold finish PCB through reflow soldering process using NC solder paste.The affected spots have intermetalic as black in color. Does not solder very well. I did look at the archieve but could not find info
Electronics Forum | Thu Nov 23 23:59:25 EST 2000 | terry sun
Hello to all out there, We're considering CC process,and would like to know some defferences between SSC3 of Electrolube and Humiseal 1B73, yes,I know that SSC3 is silicone one,and Humiseal 1B73 is solvent based acrylic as well as other basic propert
Electronics Forum | Fri Nov 10 17:47:50 EST 2000 | Dave F
I can�t imagine a high trace count, high via count ceramic board matching-up on price with a FR4 board. http://www.coorstek.com/coorstek/coorstek.asp?menu=literature&reference=literature.asp But that�s not really the issue, is it? The issue is the r
Electronics Forum | Wed Oct 18 16:33:26 EDT 2000 | Dave F
Mike: An omega meter has very little to do with ion chromatography. * IPC TM-650, 2.3.25B, Detection and Measurement of Ionizable Surface Contaminants is a process control method that washes boards with an isopropanol / water solution and measures
Electronics Forum | Wed Oct 18 16:41:35 EDT 2000 | Dave F
It's unrealistic to think that two materials with the following disperant properties would have the same reflow profile. From http://www.norplex.com/Carrier.htm Physical Properties / NEMA FR-4 / NEMA CEM-1 Glass transition temperature �C / 130 / 10
Electronics Forum | Thu Sep 28 15:57:49 EDT 2000 | Chris
Donna, Please email me at nolefthere@yahoo.com and I will give you my work #. I would like to talk to you on this subject. I have been placing 0402s with a Contact 3AV machine since Nov 96. I have too many suggestions and comments to tell you her
Electronics Forum | Wed Aug 30 09:56:37 EDT 2000 | NLykus
Hi Ramon, We have had this problem before on our Seho Wave Solder Machine. We are currently using a spray fluxer as well. By imersing the PCB into the flux you stated you are getting good results. What you need to do is check your spray patter
Electronics Forum | Tue Jul 25 20:34:48 EDT 2000 | Dave F
Travis: Several points: * When we converted artwork (back in the Jurassic Period), we used a huge digitizer pad and the original artwork. * While your Rube Goldbergian (http://www.rubegoldberg.com/gallery.htm ) arm encoder thing sounds fascinating
