Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@...> wrote:
>

> Actually i have found a document describing printhead design
specifically
> mentioning the one i looked at (black from HP 550C) and it does seem
there
> are resistors allright.
> 
> I dunno with which 'scope i looked back then, but i remember just behind
> each nozzle there were two structures that looked like electrodes. Must
> have had some other purpose. I don't have the stuff any more so can't
> investigate.
> 
> ST
> 
> 
> forgot url:
> 
>
<http://ieeexplore.ieee.org/iel5/84/22266/01038836.pdf?tp=&arnumber=1038836&isnumber=22266>
>

That's a members only link.

Steve Greenfield