Electronics Forum: electroless nickel conductivity (Page 2 of 15)

Re: soldering to hard gold plated PCBs

Electronics Forum | Wed Feb 03 18:36:47 EST 1999 | Earl Moon

| 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

Black color solder wetting after reflow

Electronics Forum | Fri Apr 29 14:16:16 EDT 2011 | ppcbs

Below is the long explanation. This defect is most commonly found with BGA components, but can arrise with all components. I see it happening more now with lead free boards that are being assembled with a no clean flux. Best short term remedy is t

Re: Gold boards OK with SMT? What About Gold Thickness?

Electronics Forum | Mon Aug 10 21:52:34 EDT 1998 | Dave F

| | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, not

Re: Gold boards OK with SMT? What About Gold Thickness?

Electronics Forum | Tue Aug 11 07:51:57 EDT 1998 | Earl Moon

| | | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, n

Re: Gold boards OK with SMT?

Electronics Forum | Thu Aug 06 17:25:55 EDT 1998 | Earl Moon

| Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, not ele

Electroless Nickel/Gold finish

Electronics Forum | Tue Apr 17 08:29:12 EDT 2001 | Geertjan de Beijer

My name is Geertjan de Beijer and I am new on this forum. I have a question about Electroless Nickel/Gold finishes. Until now we always use a HAL finish on our PCB's. Since we are using compontents with pitches of 0.5mm we notice that the HAL finis

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 13:40:25 EDT 1998 | Terry Burnette

| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike There has been a

Flexible Circuit Board Finish ENIG or Hard Gold?

Electronics Forum | Thu Aug 25 17:24:44 EDT 2016 | davef

Gold should not be corroding in salt water. I have swum hundreds of miles in salt water with my wedding ring on my finger. My ring is a shiny and corrosion-free as the day it was cast over 120 years ago. It's possible that your gold thickness of 0.0

Sulfamate Nickel Finish

Electronics Forum | Wed Apr 21 15:28:02 EDT 2004 | markhoch

I have a new customer who is recommending a Sulfamate Nickel Finish for his boards. I'm not really familiar with this process. Is anybody else? How does it differ from electroless nickel? Can a standard NC solder paste cut the mustard with this stuff

Flash Gold over Nickel - PCB finishing

Electronics Forum | Tue Feb 01 06:54:19 EST 2000 | Roni H.

Hi, Does anyone have experience with gold over nickel (electroless) PCB finish: - Repeatble quality from PCB mfg. (very "painfull" with ENTEK). - Environment condition sensitivity. - Thermal processes sensitivity. - Solderability (Reflow & wave). -


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