High Accuracy Rotation Stage for X-Ray Diffractometry

Award Information
Agency:
Department of Commerce
Branch
n/a
Amount:
$199,991.00
Award Year:
1997
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
34527
Agency Tracking Number:
34527
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
461 Boston Street, Topsfield, MA, 01983
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Rick Dorval
Principal Investigator
(508) 887-6600
Business Contact:
() -
Research Institution:
n/a
Abstract
A critical component to the overall performance of the diffractometer is the rotary positioning system. Accurate positioning of the source and detector with respect to the specimen and minimization of the "sphere error" is essential for characterization of multilayers and new X-ray powder standard reference materials. OPTRA will develop a new rotary stage that directly monitors the rotation of the platen, thereby eliminating any inaccuracies in the rotary drive train. The metrology approach is to utilize a novel sensor design to provide accurate and well resolved rotational measurements of a relatively coarse scale, located on the periphery of the rotating table. The approach is robust, accurate, relatively simple, inexpensive, and has substantial commercial potential.

* information listed above is at the time of submission.

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