On 14/10/2011 18:04, M.L. wrote: > On Fri, Oct 14, 2011 at 12:53 PM, Oli Glaser wr= ote: >> Thanks, just the reply I was looking for. >> As mentioned in my other mail, I will grab a few proto boards of each >> type and see how it goes. If we can achieve reliable results with this >> method (e.g. mask/tinned pads/simple holder) then it will be preferable, >> as plastic battery holders with both contacts are quite a bit more >> expensive than the basic metal Keystone ones. > I hope I was clear that the PCB tinning isn't enough, you'll have to > have the assembly people tin the pads manually with a soldering iron > (or automatic reflow with solder paste) > > It might work with HAL but if you go gold or silver finish it will be > much too thin. > Yes, I got the idea thanks. It will be sold as a kit so the pad could be=20 tinned during construction if absolutely necessary. I intend to talk to=20 the PCB house tomorrow and ask what they can do, as I would prefer to=20 make things as "easy" as possible to put together by having it=20 tinned/raised sufficiently in production. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .