Novel Materials for IR Microbolometer Arrays

Award Information
Agency:
Department of Defense
Branch
Missile Defense Agency
Amount:
$65,000.00
Award Year:
2001
Program:
SBIR
Phase:
Phase I
Contract:
F33615-01-M-1912
Award Id:
53118
Agency Tracking Number:
01-0052
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2401 Brewer Drive, Rolla, MO, 65401
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
019689330
Principal Investigator:
Douglas Guerrero
Group Manager
(573) 364-0300
dguerrer@brewerscience.com
Business Contact:
Norm Dobson
R&D Division Director
(573) 364-0300
ndobson@brewerscience.com
Research Institution:
n/a
Abstract
Ion implanted, thin polymer films exhibit a large temperature coefficient ofresistance which suggest their application in microbolometer arrays used for infrared(IR) imaging and temperature mapping. Compared to current microbolometer designswhich require a series of difficult deposition steps, an ion implanted polymer-baseddevice requires only a single layer which can be applied by spin coating and then,after ion implantation, can be easily patterned by plasma etching. Freestandingmicrobolometers can be prepared by simple sacrificial layer process to increasethermal isolation and improve device sensitivity.In Phase I, we will fabricate 1x8 linear microbolometer arrays using an ion-implanted polymer film as the active device material. The arrays will becharacterized against specific physical and electrical design criteria with a goalof optimizing a test structure that can be use in a prototype IR imaging device. Keyelectrical parameters, resistivity, TCR, responsivity, and NEP will be determine andcorrelated to ion implantation process. Ion-implanted polymer microbolometerspotentially offer greater sensitivity than current designs because of their lowthermal mass and superior heat capacity and thermal conductivity. These featurescombined with the simple fabrication requirements open the possibility for producinglow cost, uncooled IR focal plane arrays for a variety of military and civilianapplications.There is a vast market for uncooled IR imaging devices. This program will demonstratean easy-to-fabricate microbolometer array suitable for high quality thermal imaging inan uncooled mode. The availability of this low cost focal plane array detectortechnology will expand IR imaging into a host of new commercial and militaryapplications.

* information listed above is at the time of submission.

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