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Image sensor module and a method for evaluating an image sensor
Author(s): Viktor Goldovsky; Yakov Roizin; Avi Strum; Amos Fenigstein; Yohanan Davidovich; Assaf Lahav; David Avner
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Paper Abstract

An Image Sensor Module (ISM) comprises an Image Sensor Chip (ISC) that typically does not contain information (ISC ID) about the manufacturer and specific process, as well as the data for failure analyses. Similar dice by different manufacturers may differ from each other by their quality and lifespan. Counterfeit ISMs usually exhibit lower performance and quality than the original ones. Installing a counterfeit ISM in an imaging device may dramatically reduce its functionality and reliability. The standard ISC ID technology assumes disassembly of the ISC from the ISM and reverse engineering, or a special electrical readout system, if the information was written in the embedded non- volatile memory. We suggest a simple ISC ID method that features Luminescent Composition (LC) introduced into the lenses and/or color filters of ISC. Chip identification is performed without disassembling of the ISM. In addition, the use of LC allows extending the spectral sensitivity of the ISM with silicon image sensor dice. The design is patented (US10210526) and ready for implementation in the new ISM generation.

Paper Details

Date Published: 14 April 2019
PDF: 4 pages
Proc. SPIE 11028, Optical Sensors 2019, 1102819 (14 April 2019); doi: 10.1117/12.2519626
Show Author Affiliations
Viktor Goldovsky, HillBerry GAT Ltd. (Israel)
Yakov Roizin, Tower Semiconductor Ltd. (Israel)
Avi Strum, Tower Semiconductor Ltd. (Israel)
Amos Fenigstein, Tower Semiconductor Ltd. (Israel)
Yohanan Davidovich, HillBerry GAT Ltd. (Israel)
Assaf Lahav, Tower Semiconductor Ltd. (Israel)
David Avner, HillBerry GAT Ltd. (Israel)


Published in SPIE Proceedings Vol. 11028:
Optical Sensors 2019
Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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