Zinc-oxide–on–silicon acoustically scanned imager with positive sensitivity and storage capabilities
- 1 July 1975
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 27 (1) , 6-8
- https://doi.org/10.1063/1.88265
Abstract
The use of remotely launched acoustic surface waves to scan image information on a zinc‐oxide–on–silicon monolithic geometry is demonstrated. The dynamic range for the readout can be greatly enhanced by using pulsed bias signals which invert the surface of the n‐on‐n+ silicon substrate. Images may also be stored in the form of trapped charge replicas in the zinc oxide, and subsequently they may be nondestructively read out using the scanning surface waves.Keywords
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