Homebrew PCBs

Donald,
You are right. It was late, and I was half asleep. E is for Electroless, not Electroplated.
And the I is for Immersion.

Sorry if I confused some people. I will do better proofing of my emails next time.


Jean-Paul
N1JPL


> On Sep 22, 2016, at 6:45 AM, Donald H Locker dhlocker@... [Homebrew_PCBs] <Homebrew_PCBs@yahoogroups.com> wrote:
> 
> ENIG is electroless nickel immersion gold. I presume INIG is immersion nickel immersion gold (I have no specific experience with it).
> 
> In any case ENIG is does not use an electroplating process for the nickel.
> 
> The "immersion" parts of the process are electroplating.
> 
> Donald.
> 
> ----- Original Message -----
> > From: "Jean-Paul Louis louijp@... [Homebrew_PCBs]" <Homebrew_PCBs@yahoogroups.com>
> > To: "Homebrew PCBs" <Homebrew_PCBs@yahoogroups.com>
> > Sent: Thursday, September 22, 2016 12:04:27 AM
> > Subject: Re: [Homebrew_PCBs] DIY Gold Fingers?
> > 
> > You cannot deposit gold directly over copper. You need first to deposit a Ni
> > (nickel) barrier.
> > That is why the process is complex and expensive.
> > The industry has two slightly different ways to do it, INIG and ENIG which
> > differs only on the way the nickel is deposited. Some other use a process
> > called ENEPIG which is even more complex as ir uses a palladium intermediate
> > between the nickel and the Gold.
> > In all those processes, E stand for Electroplating while I stands for
> > Immersion(chemical).
> > 
> > Just my $0.02,
> > Jean-Paul
> > N1JPL
> > 
> > 
> > 
> > > On Sep 20, 2016, at 1:09 PM, anickol@... [Homebrew_PCBs]
> > > <Homebrew_PCBs@yahoogroups.com> wrote:
> > > 
> > > Sorry to inform you, but there is no simple ans inexpensive way to put gold
> > > on copper. I've got some recipes, which contain materials like gold
> > > cyanide, potassium cyanide, etc. When I first saw these, I thought that
> > > I'd better abstain from this.
> > > 
> > > 
> > 
> > 
> > 
> > ------------------------------------
> > Posted by: Jean-Paul Louis <louijp@...>
> > ------------------------------------
> > 
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