Re: How fine can you go?

From: Franck Lacan (
Date: Tue May 18 1999 - 14:32:06 EEST

At the Assises Europeennes du Prototypage Rapide in Paris last November,
there was a paper on micro stereolithography. The beta machine that is
being developed uses masks. The given theoretical resolution is 2x2
square microns and the layer thickness used is 10 microns.
Unfortunately the paper is in french, but people interested might be
able to contact the author, Virginie Loubere:


Glyn Churchman wrote:
> I wanted to pass this along for the RP community to comment on. It
> appeared today on the model making list. I am guessing that it is not
> possible. If you make the assumption that they are going to investment
> cast a metal part, would anyone have any ideas? Here is the post:
> Has anyone come across any new RP machines with build levels smaller
> that the Sanders machine? The Sanders has a Build layer: 0.0005 in.
> An engineer came to me with a upcoming project that will have small
> channels for a medical instrument. Micro Fluid Dynamics is greatly
> affected by the steps left behind. Believe it or not he is looking
> for one in the 5-10 microns. (This is where you might be tempted to
> laugh)
> Sincerely,
> Glyn Churchman@Prototech, Inc.

Franck LACAN 
Cardiff University Wales, Division of Systems Engineering
Queen's Buildings, PO Box 688, Newport Rd, Cardiff CF24 3TE, UK

For more information about the rp-ml, see

This archive was generated by hypermail 2.1.2 : Tue Jun 05 2001 - 22:51:44 EEST