Fully funded PhD Computer Science & AI Belgium

PhD Researcher on Radiation-tolerant Pixels for CMOS image sensors

KU Leuven, Belgium

Institution
KU Leuven
Country
Belgium
Position type
PhD
Subject area
Computer Science & AI
Location
Leuven, Belgium
Funding
Fully funded position

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About this position

The ADVISE research group at KU Leuven works on advanced microelectronic circuits used in challenging environments. Using deep knowledge of semiconductor device physics and microelectronic circuit design, we try to understand how circuits and devices can be made more tolerant to ionizing radiation and interactions with high-energy particles. The research group is also active on CMOS image sensors, an activity led by prof. Guy Meynants, which is a renown expert working on image sensors for 30 years.
The work will be performed at the Advise lab of Campus Geel, part of the Department of Electrical Engineering (ESAT) of KU Leuven, Europe's most innovative university (Reuters, since 2016 till now). The group includes over 30 researchers active in the field of micro-electronics for harsh environments as well as machine learning.

Project

Damage to CMOS integrated circuits due to accumulated ionizing radiation effects is well understood. Several mitigation measures exist to reduce the impact of radiation on analog and digital circuits, even for high dose levels. However, the performance of state-of-the-art image sensors, which use in-pixel charge transfer to reduce read noise, quickly degrades due to ionizing radiation. The charge transfer degrades, even after a few kGray TID, creating a rapid increase of read noise and image lag. For this reason, radiation-hardened cameras use image sensors with high noise levels, and are limited for low-light performance. 
In this project, the doctoral researcher will develop new pixels with in-pixel charge transfer for image sensors exceeding 1 MGray TID and a low read noise.
At first pixel concepts will be simulated at device level using TCAD simulation software. In a second phase, radiation-hardened pixels will be designed, prototyped and characterized in the lab. The work is supported by a postdoctoral researcher and the promotor.

Profile

  • Required background: a Master degree in Electrical/Electronic/Nanotechnology Engineering (or equivalent) with distinction (cum laude or equivalent);
  • Knowledge of analog integrated circuits (IC) and semiconductor device physics;
  • Motivated, independent, show critical thinking and scientific curiosity, and good team-player skills;
  • Excellent proficiency in the English language is required, as well as good communication skills, both oral and written.

Offer

We offer:

  • A PhD scholarship for 4 years, with a very competitive monthly stipend;
  • An exciting interdisciplinary research environment in the largest research department at KU Leuven, Europe’s most innovative university;
  • Chances to participate and present your research work in international conferences and collaborations and broaden your personal network;
  • Interact and collaborate with industry.
The position starts with a 1-year assignment, followed by 3 more years after a positive evaluation. 

Interested?

For more information please contact Prof. dr. ir. Guy Meynants, mail: [email protected].

KU Leuven strives for an inclusive, respectful and socially safe environment. We embrace diversity among individuals and groups as an asset. Open dialogue and differences in perspective are essential for an ambitious research and educational environment. In our commitment to equal opportunity, we recognize the consequences of historical inequalities. We do not accept any form of discrimination based on, but not limited to, gender identity and expression, sexual orientation, age, ethnic or national background, skin colour, religious and philosophical diversity, neurodivergence, employment disability, health, or socioeconomic status. For questions about accessibility or support offered, we are happy to assist you at this email address.

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