Electronics Forum | Tue Aug 17 17:06:43 EDT 2004 | davef
First, we'd like to see your supplier's minimum Sn thickness to be increased to 10um. Look here for support of this position: http://www.psma.com/HTML/FILES/forums/leadfree/hp_ext_pos_sn_for_pbfree.pdf Second, increasing the thickness of tin: * Ra
Electronics Forum | Tue Jul 31 13:46:17 EDT 2001 | Hussman
How fast is your print head speed? I've found that I had to decrease my print head speed to get the paste to stick to gold pads. Not exactly sure why - but the ol' instincts worked well.
Electronics Forum | Sat Jul 28 03:05:35 EDT 2001 | Frank
Hi guy Does anyone have experiance with printing problem between solder paste water soluble 62/36/2 and gold plating PCB? I do have problem about insufficient solder after printing although I used the same printing parameter as when I print with ano
Electronics Forum | Wed Aug 01 06:52:25 EDT 2001 | Mark
please look at trying lazer cut stencils. They have trapozoidal shaped apertures and this could assist with the paste releasing onto y the PCB
Electronics Forum | Mon Jul 30 01:34:46 EDT 2001 | mugen
Best thing to do, is consult your solder paste supplier, bring him/her in, and ask for their humble professional opinion? If they refuse, strongly consider switching to a supplier, with responsive "humble professional opinions" to share, one that spr
Electronics Forum | Mon Sep 24 10:07:46 EDT 2012 | eezday
The answer, as stated above, is 3 microinch's however, it is equaly important, if not more important, to understand that the only function of the gold is to protect the surfaces beneath it. Only enough gold to cover the nickel beneath it should be u
Electronics Forum | Sat Nov 23 08:10:43 EST 2002 | jax
BS4292: Electroplated Coatings of Gold and Gold Alloys Gold and gold alloys for engineering purposes Single, double or multilayer electrodeposited coatings on metallic and non-metallic materials for electrical, electronic and other engineering appl
Electronics Forum | Tue Dec 10 05:03:58 EST 2002 | praveen
We are having solder fillet finish issue. The solder looks like rough solder on the connector leads .The plating of the leads is Nickel (99.9% purity) and the PCB plating is imersion gold. I have tried fine tuning my reflow profiles an have used N2 i
Electronics Forum | Sat Nov 23 06:28:23 EST 2002 | Alistair Johnston
I work for A PCB manufacturer and have a request to plate a board with Gold to BS4292. We dont hold this spec and wonder if anyone can explain what is entailed in this spec.
Electronics Forum | Thu May 30 08:04:25 EDT 2002 | zanolli
Hello Russ, I'm not quite sure I understand your question. Are you saying that you must hand solder these connectors because the gold plating doesn't allow other though hole processing methods to wet the solder the length of the pin in the PTH? Reg
