Re: Constantly Changing Build Platform

From: Nkin@aol.com
Date: Tue Jul 07 1998 - 02:07:28 EEST


In a message dated 98-07-06 18:41:36 EDT, Mike.Miller3@PSS.Boeing.com writes:

> How about a uv resin that requires the presence of two laser frequencies
> simultaneously to initiate cure. If the resin was otherwise transparent
> to the laser light then voxels could be formed anywhere in the vat by
> intersecting the two lasers.

Interesting concept - but isn't that the early ('60's?) "Swain method"
(precursor to Kodama, Hull, et al) - worked on at Batelle - and awaiting
additional funding? There were apparently great difficulties with the
complexities of refraction and solidification - elegantly handled by simpler
layer-by-layer processes.

Norm Kinzie

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