公开(公告)号：US5192861A

公开(公告)日：1993-03-09

申请号：US675652

申请日：1991-03-27

申请人： Amox Breskin ,  Rachel Chechik ,  Stanislaw Majewski

发明人： Amox Breskin ,  Rachel Chechik ,  Stanislaw Majewski

IPC分类号： H01J47/02

CPC分类号： H01J47/02

摘要： An X-ray detector including a photocathode arranged to receive X-ray radiation and being operative to provide in response thereto an output of electrons, and at least one electron multiplier operative at subatmospheric pressure and in response to the output of electrons from the photocathode to provide an avalanche including an increased number of electrons.