| 摘要 |
The bipolar photosensitive process layer is charged by a first potential and polarity and has the first image exposed and processed. The second image is applied via the charged mesh modulating an ion discharge and has a charge of opposite polarity. The ion discharge control mesh has a conducting core covered with an insulating layer. The core is linked to a precharging potential. The first charging process uses AC and the second DC. The discharge control mesh is earthed through the DC supply.
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