On Sun, Jul 21, 2013 at 8:32 AM, dubob4432 <
dubob4432@...> wrote:
> I had seen this a couple years ago and tried it myself and got good results, especially considering how surface tension and solder paste 'pulls' parts into alignment - get some .004 copper 'foil', do a toner transfer on it w/ the gerber of the stencil file and then etch like you would a board. just takes a bit longer to etch and of course protect the back, but other than that works great. I have also seen it done w/ Al pop cans. W/ the pop cans you have to clean the inside as there is some coating, but a regular 'prep' for etching seems to work, nothing too thick.
http://lowpowerlab.com/blog/2013/02/11/diy-smd-metal-stencils-the-definitive-tutorial/Mitch.