Prevents oxidation of the copper, and flows solder well.
Kerry
Harvey & Betty McRae wrote:
> Well, I'm new enough to this etching process, that I wish to ask a question.. First, I'll say I am very happy to see a nicely etched board, having good solid copper carriers.. So now what is the purpose of tinning.? Can someone give me a quick answer. Thanks.
>
>
> Harvey L. McRae,
> 838 McKenzie Rd.,
> Kelowna, BC. V1X2B3,
> www.webs.com/harriscreekcentral
>
>
--
Kerry Wentworth
The Skunk Works
85 N Main St
Boscawen, NH 03303
603 753-8933