Homebrew PCBs

----- Original Message ----- 
From: tom42107@... 


>I'm not happy with my etching. I'm using FR4, 1oz. copper boards. 
>My copper cleaning is very thorough and my toner transfer is very dark and even. 
>My etchant solution is two shot glasses of muratic acid and four shot 
>glasses of hydrogen peroxide, 

If your copper is pitted, then your resist is not working.

Maybe ferric chloride or ammonium persulphate would be gentler on the toner/resist.

geoff