Electronics Forum: gold tabs (Page 1 of 2)

Gold plated Edge connector tabs

Electronics Forum | Tue May 29 16:02:36 EDT 2001 | genny

500 insertions � 50 m gold => 300 insertions � 30 m gold => 50 to 75 insertions � 20 m gold => 10 insertions. " Dave stated that the 'm' referred to micro-inches. I could probably insert this board 1000's of times without a problem. Am I missing so

Stainless Steel tabs in brd assemblies

Electronics Forum | Thu Jan 03 17:39:34 EST 2008 | flipit

Why are you using stainless steel? Corrosion resistance? Can the stainless be gold plated? I think this can occur metallurgically. Maybe nickel first then gold. Why are you removing the nickel? Nickel is somewhat magnetic. Had an application onc

Stainless Steel tabs in brd assemblies

Electronics Forum | Thu Jan 03 17:00:20 EST 2008 | davef

Recommended procedure for soldering stainless steel [Atlas Steels Australia]: * Surfaces must be clean and free of oxidation. * A rough surface improves adherence of the solder, so roughening with grinding wheel, file or coarse abrasive paper is reco

Re: gold fingers over wave

Electronics Forum | Sun Jan 23 03:23:09 EST 2000 | Rob Steltman

Hi We use a U-channel piece of high temperature silicon which is just pushed over the gold tabs before the soldering process. The silicon can be used over and over again. The advantages are that there is no mask on the board during the SMT process a

Re: Solder on gold finger

Electronics Forum | Tue Jul 28 02:28:48 EDT 1998 | Bob Willis

The causes for solder on gold are: Paste wash offs Dirty stencils Dirty under stencil cleaning cloths/no solvent Poor handling The most common reason is wash offs when there is a couple of balls left on the tabs and they reflow. With correct profile

Re: soldering to hard gold plated PCBs

Electronics Forum | Wed Feb 03 23:40:26 EST 1999 | Chris G.

| Does anyone know if I will have problems soldering surface mount components to an all hard gold plated PC board. We want to use hard gold similar to gold used for edge fingers because our customer is concerned about wear and conductivity of connect

Re: Heat seal ribbon to gold plated fingers and lcd displays

Electronics Forum | Sat Oct 24 23:30:59 EDT 1998 | Pete Sorenson

| I know that this not surface mount, but many of us have to perform multipule duties. Can anyone give me some information on this I am having problems getting relibility | getingthe heat seal ribbon to make consistant electrical contact. | Any help


Electronics Forum | Thu Dec 28 13:11:37 EST 2000 | RONALD MALICK


Gold Thickness

Electronics Forum | Fri Jun 09 11:18:25 EDT 2006 | kehoem@bellsouth.net

Question; Do you think it's possible that your customer has got his units mixed up & actually means 0.3 micro inches of gold over 0.5 micro inches of Nickel? That is what I said but their vendor says they are building to print which says 80 uM and i

Changing Ni/Au finish to HASL lead free

Electronics Forum | Wed Dec 22 01:39:06 EST 2010 | boardhouse

Hi Johan, As a Asian board supplier - I would not recommend using Lead free hasl on any product that has BGA, you would be just looking for issues, flatness being the main. I agree with one of the other replies - Your purchasing dept. should not be

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