Brad Woods wrote:
>
> I don't know how you would do this, but... Most bubblejet ink is water
> soluable, adding soap to the ink will keep it from beading up.


Yes water-soluble is a large part of the
problem, both causing bad beading (ie low
adherence to the copper) and is totally
unsuitable for etching anyway. :o)

It has to be a non-water soluble ink, which
are usually alcohol or acetone soluble and
mostly adhere well to metals.
-Roman

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