Re: [Elecraft] W1 Circuit Board
The K3 needs the gold flash coating so that the pushbuttons work reliably. That's probably why it uses ENIG. Al N1AL On Sun, 2009-07-26 at 02:00 -0700, Brett Howard wrote: > 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 > > > > > > > > __ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:Elecraft@mailman.qth.net > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] W1 Circuit Board
David wrote... < snip > > The world has gone crazy. Perhaps from too much lead ingestion! 8-) 73, George T Daughters, K6GT CU in the California QSO Party (CQP) October 3-4, 2009 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] W1 Circuit Board
HASL is the best of all worlds... Cept for one small problem... It really cuts into your European sales! ;) ~Brett On Sun, 2009-07-26 at 13:03 +0100, David Pratt wrote: > >On Sun, Jul 26, 2009 at 5:00 AM, Brett Howard wrote: > >> 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? > > Bring back Lead/Tin solder! > > We all got our water through lead pipe and brushed our teeth with > toothpaste from lead tubes. We got along very nicely until we had to > find jobs for the legislative bureaucrats. The world has gone crazy. > > 73 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] W1 Circuit Board
>On Sun, Jul 26, 2009 at 5:00 AM, Brett Howard wrote: >> 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? Bring back Lead/Tin solder! We all got our water through lead pipe and brushed our teeth with toothpaste from lead tubes. We got along very nicely until we had to find jobs for the legislative bureaucrats. The world has gone crazy. 73 -- David G4DMP Leeds, England, UK __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] W1 Circuit Board
ENIG is better but unless its class 3 equipment it doesnt make much difference Matt W8ESE Former KD8DAO On Sun, Jul 26, 2009 at 5:00 AM, Brett Howard wrote: > 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 >> > >> > >> __ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] W1 Circuit Board
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 > > > > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] W1 Circuit Board
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 > > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html