Homebrew PCBs

I understand. Thanks for your eplications.
I'm impatient to see youre pendulum at work.





Adrian
--- In Homebrew_PCBs@yahoogroups.com, Alan King <alan@n...> wrote:
>
> adicont2 wrote:
> 
> >A simple wedge shape to force 
> >  
> >
> >>the bubbles back against the board as they try to spread out as 
they 
> >>rise is all that's needed.  Easy to linearize the swing, and with 
> >>    
> >>
> >the 
> >  
> >
> >>edge of the board not holding the bubbles in place as well, non-
> >>    
> >>
> >linear a 
> >  
> >
> >>bit may actually be better.
> >>    
> >>
> >
> >Sorry, I'm affraid I dont understand... A "wedge shape"...
> >
> >
> >  
> >
> 
>    Think of looking at the edge of the vertical standing board as a 
> line, and put another board over to the side, with the top tilted to 
the 
> board you're etching.  Forces the bubbles back towards the board, 
get 
> the distance and tilt right and it should get the etching to almost 
> exactly even..  Bubbles spread out as well as going up, a wedge on 
> either side would correct most of it by forcing them back to the 
> board..  Would look about like this from one end:
> 
>   / | \
>  /o|o\
> / o|o  \
>   o o
> 
> 
>   But while I consider this something to design out very soon just 
to 
> see exactly how well I can make it work, I have boards to finish 
cutting 
> out and make first..
> 
> Alan
>