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US 3,985,685 AGranted
Pyroelectric materials and devices
AssigneeThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
InventorsMichael Richard Houlton, Gordon Robert Jones, Norman Shaw
Life of this patent
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Abstract
A novel pyroelectric material is provided by doping lead germanate with barium to provide the composition Pb.sub.5-x Ba.sub.x Ge.sub.3 O.sub.11 0<x.ltoreq. 0.5. The material has a pyroelectric coefficient comparable to that of triglycine sulphate (TGS).
Claims5
A pyroelectric material consisting of lead germanate doped with barium and having a compositional formula Pb.sub.5-x Ba.sub.x Ge.sub.3 O.sub.11, wherein x is in the range 0<x .ltoreq.0.5.
Dependencies are inferred from the claim text.