New High Resolution And High Sensitivity Image Sensor

Uwe Feddern

doi:10.1117/12.950254

2 March 1989 New High Resolution And High Sensitivity Image Sensor

Uwe Feddern

Proceedings Volume 1027, Image Processing II; (1989) https://doi.org/10.1117/12.950254
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

Many solid state image sensors make use of CCD-shift-registers for the charge transport. In a 4-phase-CCD-register with 300 lines, 1200 transport electrodes are necessary. The new concept needs only 600 electrodes. This reduces the light absorption by the transport electrodes. During the illumination- or integration- period the sensor operates as a two-phase-CCD with two electrodes for each line. For the vertical transport the structure is changed from a two-phase-system to a four-phase-system. The complete drive circuit for the transport electrodes is integrated on the sensor chip. That makes the application very easy. The drive circuit includes the possibility to control the integration time. This can be used to match the sensor to different illumination levels or to get a sharp image of fast moving objects.

Citation Download Citation

Uwe Feddern "New High Resolution And High Sensitivity Image Sensor", Proc. SPIE 1027, Image Processing II, (2 March 1989); https://doi.org/10.1117/12.950254

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