Electronics Forum: gold plated (Page 3 of 61)

solder SnPb wire to gold plated IC

Electronics Forum | Sun Apr 15 23:35:14 EDT 2007 | Sam

few more questions: Is there any standard saying that the dull surface is accepted if solder Au plated leads? Understand that more than 3% Au in the solder connection leads to unacceptable embrittlement of the connection. How about any standard relat

solder SnPb wire to gold plated IC

Electronics Forum | Mon Apr 16 09:12:23 EDT 2007 | davef

Standard for appearance: J-STD-001 and IPC-A-610 committees eliminated the requirement that solder connections be "bright and shiny". Certain solderability protections; such as Au, NiPd, NiPdAu; can affect the surface texture of a solder connection,

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 pad defect on gold plated boards

Electronics Forum | Thu Aug 21 17:17:47 EDT 2003 | justin

Do some push / pull testing. Typically with black pad, you can flick the components right off the board. If you have this, the boards are about as reliable as a Yugo. If you get decent push / pull results, odds are you don't have black pad and you

SN/PB soldering with gold plated pcb

Electronics Forum | Tue Apr 26 15:21:11 EDT 2005 | russ

Sounds to me like they are thinking since they have a gold board that it must be processed lead free. This kind of thing is happening all over since OEMs are starting to think about pb free and sending their purchasing and engineering to these semin

Re: High temperature solder paste for gold plated MCMs

Electronics Forum | Wed Jan 26 14:33:47 EST 2000 | Glenn Robertson

Tuan - How about Sn/0.7Cu? It's M.P. is 227 and it's readily available. If the leads are Gold plated you might consider pre-tinning them. If you need a higher temp alloy any of the major solder companies can help - I suggets you start with Ind

High temperature solder paste for gold plated MCMs

Electronics Forum | Wed Jan 26 13:43:06 EST 2000 | Tuan Bui

221 degree C) to achieve good wetting and shiny filet. Comments and recommedations are welcome.

Re: High temperature solder paste for gold plated MCMs

Electronics Forum | Wed Jan 26 21:30:06 EST 2000 | Dave F

Tuan: Consider Sn 96.5/Ag 3.5 or Sn10/PB88/Ag02 also. As Glenn says, you had better get rid of that gold or you will never have a shiney connection. Not that a shiney connection means anything about the quality or reliability of your soldering. M

Re: Tinning gold plated leads ( DIP, etc)

Electronics Forum | Tue Mar 21 20:25:30 EST 2000 | Dave F

John: What�s the matter? Free gold � good thing for you, bad thing for your supplier. :^) Pre-tinning of gold plated leads is important to: � Prevent gold embrittlement of the solder joint � Determine if the leads are solderable prior to assembly (

Re: High temperature solder paste for gold plated MCMs

Electronics Forum | Thu Jan 27 14:16:14 EST 2000 | Tuan Bui

I've tried Indium NC-SMQ92(96.5Sn 3.5Ag) on these MCMs and achieved only marginal wetting on pads and parts. The good wetting is what I try to achieve, shiny is what my engineers want (Prototype environment). Does pre-cleaning the PWBs in ultrasonic


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