Electronics Forum | Fri Feb 20 08:56:42 EST 2004 | davef
We successfully clean WS flux on 1mm and 1.25mm pitch BGA. For 0.8mm pitch BGA, we use no clean, because we cannot remove the flux residue from under them efficiently. Use ion chromatography testing to be sure it is clean under the BGA. IC is the on
Electronics Forum | Tue Dec 19 11:49:46 EST 2023 | jeana
Hi Everyone ! On our endeavor to get reliable pick and placing with our "new" Quad IVc, we got weird behaviours of the QuadAlign system. When we received the machine the glass of the laser side was cracked, so we removed it and it started working
Electronics Forum | Wed Oct 21 14:28:17 EDT 1998 | Earl Moon
| I'M LOOKING FOR A SOLVENT TO MAKE REMOVING EPOXY FROM THE BOTTOMSIDE OF BOARD ON SMT COMPONENTS. THIS IS MOST IMPORTANT AFTER THE EPOXY HAS CURED AND EVEN RAN THROUGH THE WAVE. I'M LOOKING FOR A WAY OF | MAKING THE REWORK PROCESS ON THE CURED EPOX
Electronics Forum | Fri Aug 02 12:03:16 EDT 2019 | dfl
UPDATE: I was reading around about similar problems. My function #30 always return nozzle height 1. I tried to clean up the glasses and the internal laser lenses, no go, still at height 1. Even after removing both glasses, still at height 1. I saw s
Electronics Forum | Tue Jan 03 13:44:18 EST 2012 | daxman
Hi comando, If you change a camera, there are quite a lot of calibrations you need to carry out. Firstly: Did you remove the camera from the mounting bracket? If so, you'll need a special jig to mount it back on the bracket properly. You can still d
Electronics Forum | Thu Apr 29 13:27:36 EDT 2004 | Kirk
Is it possible to put PCB to the screen printer with vision and on the board put sheet of paper then make print on the paper and it is the reference then i teach vision for example fine pitch aperture then remove paper and align PCB? We have semi-a
Electronics Forum | Mon Jul 23 16:21:54 EDT 2007 | mleber
We have used many ways of measuring but all are either messy, inconsistent or time consuming. We have done wet, glass slide dry, etc. We are currently using a kapton tape dot system. Spray the board, remove the dot and measure it, subtract the thick
Electronics Forum | Wed Mar 17 10:12:16 EDT 2010 | dj_jago
Is it the pressurized system or the pump system you have fitted to the machine? Are you getting an error message 'No flow nozzle 1'? Check the 'ShoRate' gauge at the back of the machine and make sure the ball bearing rises in the glass tube when you
Electronics Forum | Thu Aug 30 21:57:02 EDT 2001 | davef
We don't use fussy things like that to remove mouse-bite tabs when they are not designed to be removed. Just cut away the majority of the waste using sheet metal shears. Then burr the remainder and the rough parts with a Sears wood router [bought a
Electronics Forum | Tue Apr 01 09:58:52 EST 2003 | davef
You're entirely correct. The gold is most likely gone away. [Don't forget you can check if the surface is still solderable with a hand soldering iron.] We're not sure it it will give you the results you seek, but consider using a dye penetrant fai
