MINIATURIZED METALLIC GLASS ACCELEROMETER

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$49,807.00
Award Year:
1990
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
13379
Agency Tracking Number:
13379
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
280 Lincoln St, Hingham, MA, 02043
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Stephen C Butler
(617) 749-4800
Business Contact:
() -
Research Institution:
n/a
Abstract
THIS HIGHLY ACTIVE METALLIC GLASS (METGLAS) MATERIAL HAS FEATURES WHICH MAKE IT ATTRACTIVE AS A TRANSDUCTION MECHANISM FOR ACCELEROMETERS AND DIRECTIONAL HYDROPHONES. UNDER PHASE I, A SINGLE-CHANNEL MINIATURIZED ACCELEROMETER PROTOTYPE WITH EXTENDED LOW-FREQUENCY CAPABILITY WILL BE DEVELOPED, FABRICATED AND EVALUATED, UTILIZING METALLIC GLASS AS THE TRANSDUCTION MATERIAL. THE SENSING OF MOTION IS ACHIEVED THROUGH LARGE CHANGES IN THE PERMEABILITY OF THE MATERIAL AS A RESULT OF SMALL OPPOSITE STRAINS ON TWO SURFACES OF A CANTILEVER STRUCTURE. THIS CHANGE IN PERMEABILITY CAUSES A CORRESPONDING CHANGE IN THE VOLTAGE OF THE SURROUNDING COIL WHEN THE SYSTEM IS BIASED BY AN ADDITIONAL AC CARRIER MAGNETIC FIELD.

* information listed above is at the time of submission.

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