> I thought the RoHS compliant stuff that Elecraft is doing was all in the
> ENIG process. I've ordered a K1 and a K3 since RoHS and all the boards
> are ENIG. Perhaps for the W1 they are using IMAg?
>
> I should explain:
> ENIG = Electroless Nickel Immersion Gold (or gold pads)
> or
> IMAg = Immersion Silver (or silver (whiteish) pads)
>
> For the record both have their pluses and minuses such as the IMAg is
> more susceptibile to oxidization and other cleaning issues (cleaning
> when the boards are made) where as ENIG is usually less often plagued by
> cleaning issues however contamination in the process can lead to whats
> referred to as black pads. ENIG costs a little more and is generally
> accepted as slightly "better". Probably mostly because of the higher
> cost. ;)
>
> ~BTH
>
> On Sat, 2009-07-25 at 19:52 -0400, Don Wilhelm wrote:
>> David,
>>
>> I believe that is one version of the RoHS compliant solder pads.
>>
>> 73,
>> Don W3FPR
>>
>> David Heinsohn wrote:
>> > I just started working on the W1. So I just really looked at the
>> > circuit board. I noticed that the pads seem to be white rather than
>> > silver or gold. So all you bright folks can tell me what's different
>> > and why. I assume that this is a new and better way to produce a
>> > board. It certanly takes solder OK.
>> >
>> > TNX
>> > de
>> > KD0R
>> > David
>> >
>> >
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