<bart416> azonenberg, it's near impossible to get double side coated mylar that's coatable :S
<azonenberg> :(
<azonenberg> Just did some aspect ratio tests
<azonenberg> Thick (PCB) copper on fiberglass-epoxy composite
<azonenberg> but using the same etchant i use in my smaller scalle stuff
<azonenberg> pretty steep sidewalls
<azonenberg> The downside is that i cannot image photoresist using this technique
<azonenberg> my diamond polishing compound dissolves it