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US 5,079,200 AGranted
Detector material for uncooled thermal imaging devices
AssigneeThe United States of America as represented by the Secretary of the Army
InventorDavid A. Jackson
Life of this patent
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Abstract
A solid solution, ferroelectric material with a selectable Curie point cosed of lead titanate and a larger amount of strontium titanate is provided for use as a thermal detector material in ferroelectric uncooled infrared imaging systems.
Claims5
A thermal detector comprising a wafer of ferroelectric material sandwiched between two electrodes, at least one of which is designed to substantially totally absorb said radiation;
- wherein said material consists of:
- Pb.sub.(1-x) Sr.sub.x TiO.sub.3 where x has a value greater than zero and less than one.
Dependencies are inferred from the claim text.