High Thermal Shock Resistance AIN For Infrared Window Applications

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00167-04-C-0016
Agency Tracking Number: N031-0619
Amount: $70,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solitcitation Year: 2003
Solitcitation Topic Code: N03-081
Solitcitation Number: 2003.1
Small Business Information
MATERIALS & ELECTROCHEMICAL RESEARCH (ME
7960 S. Kolb Rd., Tucson, AZ, 85706
Duns: 147518286
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Chris Chen
 Principal Investigator
 (520) 574-1980
 mercorp@mercorp.com
Business Contact
 James Withers
Title: CEO
Phone: (520) 574-1980
Email: jcwithers@mercorp.com
Research Institution
N/A
Abstract
A very attractive alternative for an IR sensor is an uncooled IR window, which can operate in the highly aerothermal environment of a surface-to-air missile. This program proposes to develop an uncooled IR window for IR sensors, which can operate in the aerothermal environment of a surface-to-air missile. The mild thermal shock parameter, R?, of aluminum nitride (AlN) is approximately one order of magnitude higher than the other infrared materials. The innovative idea in this program is to use unique powders and a special sintering aid to achieve a nanosized grain microstructure so that true transparency can be achieved. The transparent AlN developed in this program can be used to replace translucent Al2O3 for sodium and halogen lamp applications. It can also be used for IR missile domes, transparent armors, undersea submersibles, supermarket scanners, glass for Xerox copy machines and scanners, and optical lenses. This new material can have significant impact on the optical industry by replacing specialty glass and sapphire.

* information listed above is at the time of submission.

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