Homebrew PCBs

HI George,

It sounds like a "pad cutter", maybe part of the "slit-n-wrap" group of wire
wrap tools?

Hope that helps.

Alan  KM6VV

> 
> A long time ago I once had a specialty bit which was used to create a
> "donut" pad on a copper clad board, it had a pilot/drill and two
> spurs which cut the pad.
> 
> I forgot what it is called, can anyone identify it and where I can
> obtain them (preferably in a few sizes)?
> 
> -----
> 
> I also am looking for a prototyping board for a MLF-56 (QLN-56)
> package. I need a quick and dirty prototype and don't want to design
> and etch a board until I know more about the part.
> 
> My problem is that it has the ground pad underneath and I have not
> been able to find an adaptor which has that feature, has anyone made
> any for their own use and who might want to sell an extra or two?
> 
> Specifically I will be working with a Cypress CY8C24794 chip.
> 
> 
> Thanks,
> 
> -  George