Direct access storage unit using tunneling current techniques
作者： James K. Gimzewski , Urs T. Duerig , Wolfgang D. Pohl
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摘要: The storage unit comprises an array of tunnel tips (13) arranged at tunneling distance from a recording surface (2a) medium (2) which is capable permitting digital information to be written or read through variations the current. attached free end piezoceramic bendable tube (3). In operation, (3) moved in circular orbit by repetitive sequential energization oppositely pairs 90° phase shifted electrodes (4,6 and 5,7). This movement causes each tip scan respective unique associated annular area (2). To address particular concentric track area, current applied via (16,18) while, concurrently, potential 5,7) magnitude corresponding desired orbital diameter for tube.
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