Homebrew PCBs

On Fri, 4 Feb 2005 03:28:39 -0500, Thomas P. Gootee <tomg@...>  
wrote:

>
> Hmmm...  Well...  OK.   But I routinely use 6.67/1000ths-inch  
> (2/300ths-inch) tracks and spacing, with toner
> transfer, with very close to a 100% success rate. I have also routinely  
> used 6.67/1000ths-inch tracks (2/300ths-
> inch) with 3.33/1000ths-inch (1/300th-inch) spacing, with no problems  
> (with an HP LJ 4 @ 600DPI, in both cases).
> And, in very-limited tests, I have even had almost 100% success with  
> 1.67/1000ths-inch tracks (i.e. 1 dot wide
> printed with an HP LaserJet 4 at 600 dots per inch (i.e. 1/600th-inch  
> wide, on screen), with HP toner on
> Staples' "Picture Paper", as before) (but unfortunately didn't test the  
> same size-range for the spacing limit).
> Tom Gootee


Good to hear there is still some room in it. My HPIIID just isn't up to it.

Don't you have problems with toner spreading? if i make a 10mil track and  
10mil space they turn out not exactly the same width.

ST