Electronics Forum: pre (Page 6 of 102)

Stencil foils delaminating

Electronics Forum | Mon Nov 13 06:34:18 EST 2006 | cyber_wolf

This fluid is pre-mix from Zestron.

Solderbridges wave soldering

Electronics Forum | Fri Dec 01 07:46:41 EST 2006 | davef

Bridging Causes: * Insufficient flux * Excessive pre-heat * High conveyor speed * Solder contamination

OSP & Presoldering

Electronics Forum | Sun Oct 26 21:27:09 EDT 2008 | pyrofire76

pre solder means bump formation is it poassible after OSP we will do bump formation?

Crazing or Delam - Thermal or Mechanical?

Electronics Forum | Thu Jun 25 22:25:24 EDT 2009 | boardhouse

In the life of this product that you have been doing this process, has the material alway's been IT180 material? One problem with Lead free material is that it is more fragile that standard FR4 Epoxy laminate. And is known to have chipping or fractu

Wave Solder question

Electronics Forum | Tue May 22 08:39:23 EDT 2012 | davef

Bridging Causes: Insufficient flux, excessive pre-heat, high conveyor speed, solder contamination [AIM Solder]

pcb plating; IAg

Electronics Forum | Wed Jul 17 15:00:37 EDT 2013 | jmiller

what is the effect of pre-dip tank temp. and dip tank temp. on the thickness of the IAg?

solder joint problem

Electronics Forum | Fri Jul 26 08:25:25 EDT 2013 | emeto

If there is a way to pre-tin the parts, that might help in forming better joint with gold.

solder joint problem

Electronics Forum | Mon Jul 29 05:48:35 EDT 2013 | anilw2006

Thanks for support. Is it any special process of pre-tinng? Regards, Anil wagh.

Through hole pins not soldering

Electronics Forum | Wed Sep 23 13:56:02 EDT 2020 | emeto

Try to pre-tin the part. This should give you a lot of answers.

AOI Omron Machine

Electronics Forum | Fri May 14 11:17:58 EDT 2021 | dontfeedphils

Might be worth looking into a FIFO buffer post-reflow/pre-AOI.


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