PYROELECTRIC MATERIAL - RADIATION SENSOR - METHOD OF MAKING A RADIATION SENSOR - USE OF LITHIUM TANTALATE AND LITHIUM NIOBATE

A pyroelectric material comprises lithium tantalate treated to an extent that a bulk resistivity is in a range of less than 2e+14O*cm, preferably less than 5e+12O*cm, but more than a lower threshold is obtained. L'invention porte sur un matériau pyroélectrique qui comprend du tantalate de lithi...

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Bibliographische Detailangaben
Hauptverfasser:	KNAUP, GERHARD, ERNST, HENRIK, PLOTZ, FRED
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY COLORIMETRY CRYSTAL GROWTH ELECTRICITY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING METALLURGY PHYSICS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE RADIATION PYROMETRY REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TESTING UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	A pyroelectric material comprises lithium tantalate treated to an extent that a bulk resistivity is in a range of less than 2e+14Ocm, preferably less than 5e+12Ocm, but more than a lower threshold is obtained. L'invention porte sur un matériau pyroélectrique qui comprend du tantalate de lithium traité au point qu'une résistivité apparente est comprise dans une plage inférieure à 2e+14O* cm, de préférence inférieure à 5e+12O* cm, mais supérieure à un seuil inférieur.