Infrared Retroreflective, Visible Absorbing, and Electrostatically Adhesive Microsphere Taggants

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$99,860.00
Award Year:
2008
Program:
STTR
Phase:
Phase I
Contract:
W911NF-08-C-0105
Award Id:
85028
Agency Tracking Number:
A08A-008-0112
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
4040 Hypoint North, PO BOX 2, Rolla, MO, 65402
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
190717025
Principal Investigator:
Cheol-Woon Kim
Senior R&D Engineer
(573) 364-2338
ckim@mo-sci.com
Business Contact:
Ted Day
President
(573) 364-2338
tday@mo-sci.com
Research Institute:
MISSOURI UNIV. OF SCIENCE & TECH.
K. Krishnamurthy
202 University Center
Rolla, MO, 65409 1330
(573) 341-4154
Nonprofit college or university
Abstract
MO-SCI Corporation and the Missouri University of Science & Technology (MST-formerly University of Missouri-Rolla) propose to develop low cost, IR retro-reflective (800 nm - 2800 nm), visible absorbing glass microspheres for ubiquitous spectroscopic tagging through our innovative material design, fabrication and characterization technologies. These glass microspheres of any size (e.g., 20 - 100 microns, diameter) absorb visible light and, thus, are minimally visible to the unaided human eye. The refractive index of the glass microspheres will be tailor-designed to allow a maximum retro-reflection in the IR region and, thus, can be easily spotted using a man-portable IR viewing device. We will also coat the microspheres with a layer that is strongly negative in the triboelectric series such as saran. The coating will increase the electrostatic attraction of the microbeads to human skin, hair, and commonly worn clothing fabrics. Daytime detection (e.g., on a sunny day) of the IR retro-reflective glass microspheres is possible with gated illumination and lock-in amplification techniques.

* information listed above is at the time of submission.

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