On Sun, 17 Apr 2005 18:09:20 -0400, Alan King <alan@...> wrote: > > Yep I'd say small to medium at most. I was thinking about picking up > one of > the tubes, but then it hit me duh I have a drilling machine and .010" > drills, > probably better to take something like an IC tube and make my own > tests. I > could easily put in 1000 discrete holes at patterned locations. Likely > need > more at the edges since they'll be spreading into areas with no bubbles. > Actually the IC tube for .3" DIPs may be a good thing. Turned upside > down it > has a groove between the two humps for the DIP leads. May lose the > bottom > 1/4"-1/2" but that'd be ok by me for an all in one solution.. > Might still need to have the tube lower to give it time to form a good > stream > of bubbles, I may do a few tests soon. Just ran back into my aerator > pump so I > have the testing materials at hand. > Alan ok, thanks, let me know the findings. the IC tube is a good idea. Now if i only had a x/y table or a cnc to get those holes in with some accuracy... ST
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Re: [Homebrew_PCBs] immersed etching
2005-04-17 by Stefan Trethan
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