Electronics Forum | Fri Mar 17 03:27:20 EST 2000 | Wolfgang Busko
Darren: Do you know what these residues are ? How clean is your solderbath ? How often during a day do you clean it ? My first impression is that you deal with oxides. M2C Wolfgang
Electronics Forum | Tue Apr 04 05:56:52 EDT 2000 | Wolfgang Busko
Sorry to hear that Electrovert isn�t much help in your situation but the manufacturer of a system should be the first source of information on the equipment regarding preventive maintenance and troubleshooting. You should try to get in touch with th
Electronics Forum | Fri Mar 17 21:44:14 EST 2000 | sosina_outry
Daren: suggestion from a friend of mine 1. Is residue on the top or bottom of the board? If on the bottom, then you might need to do solder dedross. if on the top, you might need to check 1. after spray flux, check for any excess flux on the top of
Electronics Forum | Mon Apr 03 01:17:37 EDT 2000 | cpgoh
I ever thot of changing the whole solder pot altogether but then it prove to be a costly measures.. If looking at the source of the problem, it might be mainly due to the way that the machine had been maintain... Anyone care to share how they are per
Electronics Forum | Thu Mar 30 11:07:41 EST 2000 | Wolfgang Busko
> the dirty patch appear seems to be a bit powdery on top of stickiness > the "harden" dirt in the solder pot or at pump are ususally "knock" out while cleaning.. is that thorough enough..? Assuming that 1) is true it might not be thorough enough. On
Electronics Forum | Thu Mar 30 04:42:28 EST 2000 | cpgoh
HI all, thanks for the advise.. Electrovert is being used from 7am to 7pm and we do dedross from the surface of the solder bath during lunch time around 12nn. Break Time we just sweep them to the side.. Every two week, we do the solder bath maintena
Electronics Forum | Sun Sep 09 08:38:14 EDT 2018 | devinpcb
I have found the paste flux is the worst. It leaves a black residue that can corrode.
Electronics Forum | Fri May 23 23:58:48 EDT 2014 | edriansyah
Hi Hege. I was not also too confident with the black pad (coz no black residue on the remaining pad). But based on my search on the internet regarding black pad. Most of them shows a very clean BGA Pad after peel off the BGA as the picture reference
Electronics Forum | Mon Dec 18 04:11:11 EST 2006 | greg york
Probably because the flux manufacturers have deemed it necessary to increase flux volume by 20 - 25% compared to Leaded this is why more is being left over. Really not convinced of this increase in volume actually does anything. Black residue will be
.png)
