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Design and fabrication of a high dynamic range image sensor in TFA technology

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14 Author(s)
Bohm, M. ; Inst. fur Halbleiterelektronik, Siegen Univ., Germany ; Lule, T. ; Fischer, H. ; Schulte, J.
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Image sensors in TFA (Thin Film on ASIC) technology are composed of amorphous silicon (a-Si:H) thin film detectors on top of crystalline ASICs. A TFA prototype for automotive vision systems is presented which allows each pixel to adapt its individual sensitivity to the local illumination. By this means, a dynamic range of 120 dB minimum along with high local contrast is achieved. The ASICs were fabricated in a 0.7 /spl mu/m CMOS technology.

Published in:

VLSI Circuits, 1998. Digest of Technical Papers. 1998 Symposium on

Date of Conference:

11-13 June 1998