公开(公告)号：US3634282A

公开(公告)日：1972-01-11

申请号：US3634282D

申请日：1969-09-25

申请人： ANVAR

发明人： DENIS JEAN-PIERRE ,  LORIERS JEAN

IPC分类号： C09K11/77 ,  C09K11/81 ,  C09K11/82 ,  C09K1/36

CPC分类号： C09K11/7778 ,  C09K11/771

摘要： THIS INVENTION RELATES TO LUMINESCENT MATERIALS COMPRISING COMPUNDS OF RARE-EARTH ELEMENTS AND BELONGING TO THE CLASS OF ORTHOPHOSPHATES AND CONTAINING TERBIUM AS AN ACTIVATING ELEMENT. THE INVENTION ALSO INCLUDES A METHOD OF PREPARING THESE MATERIALS, AND FURTHER INCLUDES THEIR APPLICATIONS, MORE PARTICULARLY IN THE MANUFACTURE OF TELEVISION SCREENS, CATHODE RAY DEVICES, RADIATION DETECTORS AND OTHER DEVICES MAKING USE OF THEIR PROPERTIES OF FLUORESCENCE AND CATHODOLUMINESCENCE.