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Authors: Lutz Girgenrath 1 ; Martin Hofmann 2 ; Ralf Kühnhold 2 and Holger Vogt 3

Affiliations: 1 ELMOS Semiconductor AG and University Duisburg-Essen, Germany ; 2 ELMOS Semiconductor AG, Germany ; 3 Fraunhofer Institute for Microelectronic Circuits and Systems and University Duisburg-Essen, Germany

ISBN: 978-989-758-223-3

Keyword(s): CMOS Imaging, Lateral Drift-field Photodetectors (LDPD), High-speed Imaging, Large Pixels.

Related Ontology Subjects/Areas/Topics: Computational Optical Sensing and Imaging ; Optical Instrumentation ; Optics ; Photonics, Optics and Laser Technology

Abstract: An implantation scheme which enhances the readout speed of a silicon pinned photodiode (PPD) with large pixel length is presented. The basic PPD structure was developed for Time-of-Flight (TOF) distance measurement applications by the Fraunhofer IMS in Duisburg, Germany, and was fabricated in a standard 0.35 μm CMOS process. The optimized design of this PPD introduces the possibility to improve the electron readout speed by changing the n-well configuration with a second well implantation. The local increase in doping concentration creates a designated electron path which utilizes the reset voltage of the readout node. This behaviour is shown by simulation and measurement results are presented.

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Paper citation in several formats:
Girgenrath, L.; Hofmann, M.; Kühnhold, R. and Vogt, H. (2017). Optimization of Transfer Times in Pinned Photodiodes.In Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS, ISBN 978-989-758-223-3, pages 312-316. DOI: 10.5220/0006239603120316

@conference{photoptics17,
author={Lutz Girgenrath. and Martin Hofmann. and Ralf Kühnhold. and Holger Vogt.},
title={Optimization of Transfer Times in Pinned Photodiodes},
booktitle={Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,},
year={2017},
pages={312-316},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006239603120316},
isbn={978-989-758-223-3},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,
TI - Optimization of Transfer Times in Pinned Photodiodes
SN - 978-989-758-223-3
AU - Girgenrath, L.
AU - Hofmann, M.
AU - Kühnhold, R.
AU - Vogt, H.
PY - 2017
SP - 312
EP - 316
DO - 10.5220/0006239603120316

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