| 摘要 |
<p>An ionographic marking apparatus capable of multifunction operation for use as an input printer, a document copier or a document scanner. The apparatus includes a writing head comprising thin film elements including ion modulating electrodes (36), data and address lines (56, 58), and self-biasing amplification circuits including thin film transistors (80), resistors (74, 76) and photosensors (78) integrally fabricated upon a large area substrate (54) .</p> |
