High gain storage tube with bic target

Claim 1

AN ELECTRON DISCHARGE DEVICE COMPRISING A TARGET ELECTRODE, SAID TARGET ELECTRODE INCLUDING A FIRST LAYER OF HIGH RESISTIVE MATERIAL EXHIBITING THE PROPERTY OF ELECTRON BOMBARDMENT INDUCED CONDUCTIVITY AND CATHODOLUMINESCENCE, AN ELECTRICALLY CONDUCTIVE ELECTRON PERMEABLE COATING PROVIDED ON ONE SURFACE OF SAID FIRST LAYER, A SECOND LAYER DISPOSED ON THE OTHER SURFACE OF SAID FIRST LAYER OF A HIGH RESISTIVE MATERIAL EXHIBITING THE PROPERTY OF ELECTRON BOMBARDMENT INDUCED CONDUCTIVITY AND ALSO PHOTOCONDUCTIVITY, MEANS FOR DIRECTING A WIRING ELECTRON BEAM HAVING ELECTRONS OF A PREDETERMINED ENERGY OF SAID CONDUCTIVE COATING SO AS TO PENETRATE SAID COATING AND GENERATE CHARGE CARRIERS WITHIN SAID FIRST AND SECOND LAYERS, MEANS FOR ESTABLISHING A FIELD ACROSS SAID FIRST AND SECOND LAYERS SUCH THAT SAID CONDUCTIVE COATING IS AT A DIFFERENT POTENTIAL WITH RESPECT TO THE POTENTIAL OF THE EXPOSED SURFACE OF SAID SECOND LAYER SO THAT CHARGE CARRIERS GENERATED WITHIN SAID FIRST AND SECOND LAYERS ARE COLLECTED BY SAID CONDUCTIVE MEMBER TO ESTABLISH A CHARGE PATTERN ON THE EXPOSED SURFACE OF SAID SECOND LAYER, AND MEANS FOR DIRECTING ELECTRONS AT SAID EXPOSED SURFACE OF SAID SECOND LAYER TO RESTORE SAID SURFACE TO AN EQUILIBRIUM POTENTIAL WHILE SIMULTANEOUSLY DERIVING A SINGLE FROM SAID TARGET REPRESENTATIVE OF THE ENERGY OF THE WRITING BEAM DIRECTED THEREON.