On 23/06/2011 11:24, Yigit Turgut wrote:
> That's correct, I was talking about a -very- simple one which has
> enough capability of cutting a coke can.  For positioning/cooling and
> such complexity=3Dmore cost should be introduced.
>
> For the pcb, drilling of thin copper (0.5 mm) can be done with 1W
> power  but the substrate is the problem due to it's internal
> structure. Soldering and drilling copper can be done with a 1W YAG.

I'm very sceptical about all those claims. Or else someone would be=20
selling one for about $1,500 not $150,000!

I'll admit that unlike a mill you don't need any steppers. A pair of=20
"voice coil" operated mirrors is faster and lighter. But not cheap.

--=20
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