Homebrew PCBs

On 15/03/2012 15:15, sailingto wrote:
> Does anyone have problems getting large ground plane areas to stay good
> 'n solid with copper? I've been having a bit of problem with large
> ground plane areas using toner transfer method. If I do a board without
> a large ground plane, the traces look good - trace size ranges from
> .015" to .050" or so.
>
> I clean copper good, wash with alcohol. Toner transfer at 360\ufffdF with a
> laminator using Pulsar toner transfer paper, then etch in HCl and H2O2.
> I used the green film last board and it seems a bit better, but not sure
> about large areas yet.
>
> Just checking to see if anyone else has this problem, or maybe found a
> solution...... or maybe it's just me?

It's a common problem with laser printers. The photo-etch process I use 
with an inkjet printer handles large copper areas OK.

Leon
-- 
Leon Heller
G1HSM