Electronics Forum | Fri Dec 15 11:24:54 EST 2023 | dimamalin
Hello! I want to inquire about settings for MPM printers with the Camalot inside system. We will use Koki JU-R45 adhesive and Koki S3X58-M406-3 solder paste with a 21ga needle. If anyone has a similar system, could you please share the initial parame
Electronics Forum | Wed Feb 07 07:55:45 EST 2018 | paulocabaca60
Hi Recently have several components inside the machine covered with this yellow dust. It is visible that some components are almost obstructed after a week working. We never seen this kind of dirt inside the machines, and we don’t know the origin o
Electronics Forum | Thu Oct 23 04:19:15 EDT 2014 | garteaga
Our reflow oven builds solder on one specific panel type. It will have solder buildup inside the oven. We then end up with small solder balls on our panels. We think it may be the solder paste, the screen printer is leaving a clean wipe under the pa
Electronics Forum | Thu Feb 15 07:09:52 EST 2018 | paulocabaca60
Hi many thanks for your help, I mean reflow oven.
Electronics Forum | Thu Feb 15 10:26:26 EST 2018 | paulocabaca60
Correct, we must do it. Many thanks for your help. Regards Paulo
Electronics Forum | Tue May 02 11:13:02 EDT 2000 | Ashok Dhawan
I am finding transparent fibres , specks or needle shaped threads inside my via holes. I am not sure these are fibre glass / epoxy or flux. I do not find many on bare board. The flux used is NC Low residue and this assy is Single sided . Presently
Electronics Forum | Wed Feb 14 15:37:48 EST 2018 | cbart
Do you mean in a reflow oven or wave solder? if so check your exhaust blower, make sure its still drawing. if not the flux/dust that builds up on the exhaust pipes may be falling into the machine.
Electronics Forum | Thu Feb 15 10:02:27 EST 2018 | paulocabaca60
The question is that we are cleaning almost once per month and that is starting we we start producing a 8layers boards
Electronics Forum | Thu Feb 15 10:13:01 EST 2018 | edhare
It would likely be useful to identify the yellow dust in order to determine the root cause. This can be done using SEM/EDS (e.g. http://www.semlab.com)
Electronics Forum | Thu Oct 23 09:45:05 EDT 2014 | rgduval
Generally, excess solder balls found randomly around the board/parts points to either a dirty stencil during printing, or a stencil/board that is shifting during printing (smearing the paste a little, and causing a dirty stencil. If the apertures ar
