公开(公告)号：US3764313A

公开(公告)日：1973-10-09

申请号：US3764313D

申请日：1969-04-29

申请人： MINNESOTA MINING & MFG

发明人： SHELY B

IPC分类号： G03G5/026 ,  G03G5/028 ,  G03G5/087 ,  G03G5/10 ,  G03G5/14 ,  G03G9/00 ,  G03G9/08 ,  G03G13/22 ,  G03G13/28 ,  G03G15/00 ,  G03G17/00 ,  G03G17/02 ,  G03G5/02 ,  G03G5/06 ,  G03G5/08

CPC分类号： G03G15/758 ,  G03G5/026 ,  G03G5/028 ,  G03G5/087 ,  G03G5/10 ,  G03G5/14 ,  G03G9/00 ,  G03G9/08 ,  G03G13/22 ,  G03G13/28 ,  G03G17/00 ,  G03G17/02 ,  Y10S430/102

摘要： A MULTILAYERED SHEET CONSTRUCTION FOR USE IN A DYNAMIC ELECTROGRAPHIC PROCESS AS THE ULTIMATE COPY OR AS AN INTERMEDIATE FOR PREPARING COPIES, SUCH SHEET HAVING AN IMAGE LAYER CAPABLE OF PROVIDING A DIFFERENTIALLY CONDUCTIVE IMAGE PATTERN WHICH IS DEVELOPABLE BY CONDUCTIVE PARTICULATE UNDER A DEVELOPMENT VOLTAGE, A DIELECTRIC LAYER BONDED TO THE IMAGE LAYER WHICH IS OF A THICKNESS AND CONDUCTIVITY WHEREBY CHARGE FLOW THROUGH THE CONDUCTIVE REGIONS OF IMAGE LAYER IS CONTROLLED TO REDUCE POWDER DEPOSITION IN BACKGROUND AREAS, AND A CONDUCTIVE LAYER BONDED TO THE DIELECTRIC LAYER.