More LED's - Again

..Blueskies. wrote:
snipped
wrote in message oups.com...

RST Engineering wrote:

One of those green kitchen pot scrubbers does a pretty fair job getting the
paper off while leaving the toner on the board.

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Would a color copy (negative) transfer the same way? This way you could make labels and placards and then iron them on,
color and all...



White would be tough on most printers


Sounds like somma you guys have actually tried this technique and
had good results with it. I'm surprised. But it's good news.

I tried it many years ago using a copy machine copy.
Hey, That's all we had!

The results were luke warm at best.
The traces were porous and often had to be "jumped" with wire.
Large ground planes would fade out in the center.
As would any traces running nearby.

No way they were good enough for microprocessor based boards.
That still required a photo shoot to make masks.


Is this trick working better now with a laser printer?



Richard