Pickup tube with dark current supply source
阅读：42发布：2023-02-13
专利汇可以提供Pickup tube with dark current supply source专利检索，专利查询，专利分析的服务。并且，下面是Pickup tube with dark current supply source专利的具体信息内容。
1. A IMAGE PICKUP TUBE COMPRISING AN EVACUATED ENVELOPE, A RADIATION SENSITIVE TARGET POSITIONED WITHIN SAID ENVELOPE, SAID TARGET EXHIBITING THE PROPERTY OF PRODUCING A CHARGE IMAGE IN ACCORDANCE WITH THE RADIATION IMAGE THEREON, SAID TARGET BEING OF A MATERIAL HAVING A RESISTANCE SUFFICIENTLY LOW TO PRODUCE A DARK CURRENT IN THE ABSENCE OF AN IMAGE, FIRST ELECTRON BEAM PRODUCING MEANS POSITIONED REMOTELY FROM SAID TARGET FOR DIRECTING AN ELECTRON BEAM ON SAID TARGET, MEANS INCUDING A SOURCE OF POTENTIAL BETWEEN SAID FIRST BEAM PRODUCING MEANS AND SAID TARGET WHEREBY SAID ELECTRON BEAM SUPPLIES THE SIGNAL CURRENT FOR SAID TARGET, SECOND ELECTRON BEAM ELECTRONS REJECTED BY SAID TARGET, SECOND ELECTRON BEAM PRODUCING MEANS POSITIONED TO DIRECT A BEAM OF ELECTRONS ON SAID TARGET TO SUPPLY AT LEAST THE BULK OF THE DARK CURRENT, A SOURCE OF POTENTAL CONNECTED BETWEEN SAID TARGET AND SAID SECOND PRODUCING MEANS, AND ELECTRON BEAM DEFLECTION MEANS ASSOCIATED WITH SAID COLLECTOR MEANS TO PROVIDE THAT ONLY THOSE ELECTRONS FROM THE FIRST OF SAID BEAMS WHICH ARE EJECTED BY THE TARGET AND THOSE ELECTRONS EMANATING FROM THE TARGET IN THE IMMEDIATE AREA OF INCIDENCE OF SAID FIRST ELECTRON BEAM ARE COLLECTED ON SAID COLLECTOR.
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