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<p>[QUOTE=&quot;ToughCOINS, post: 8050288, member: 20480&quot;]The companies you mention manufacture medical lasers for opthalmic and cosmetic surgery on non-metallic targets.&nbsp; With their high precision controls, and pulsed output, they are well-suited to their target markets, but nowhere near powerful enough to precisely etch the materials we are discussing.</p><p><br /></p><p>Even if they offered higher powered models, the challenges of managing the moving targets of variable focal distance and variable local mass remain.[/QUOTE]</p><p><br /></p>

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