Geert Hellings

Program Director XTCO/Compute Density at imec
Author

Geert Hellings received the PhD degree Electrical Engineering from the KU Leuven, Belgium, in 2012. He has been with imec since 2006, working on III-nitride-based detectors, high-mobility transistors, ESD and Reliability, before joining the Design-Technology-Co-Optimization Program in 2020. In 2022, he became the Program Director for the integrated DTCO Program. Currently, his research focusses on Compute Density Scaling for CFET Technologies and beyond within the imec Cross-Technology-Co-Optimization Program.

Portrait of Geert Hellings in a teal suit jacket and white shirt, standing outdoors with a blurred background.

Authored articles

Microscope close-up of stacked transistor structures in a CFET device cross-section

Performance boosters to scale monolithic CFET across multiple logic technology nodes

26/02/2026
Research update
Logic devices

DTCO study supported by experimental demonstration of hybrid channel orientations which are needed for A3

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Cross-section of wafer interconnects linking the front and backside

A path to high-density front- and backside wafer connectivity

19/08/2025
Page-turner
3D integration

Advances in wafer-to-wafer hybrid bonding and backside technologies take CMOS 2.0 from concept to reality, offering more options for compute system scaling

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Groene lichtpuntjes verspreid over horizontale lagen, als een abstract beeld van vloeistofgeheugen

Outer wall forksheet to bridge nanosheet and CFET device architectures in the logic technology roadmap

11/06/2025
Research update
Logic devices

Improved manufacturability and performance compared to the earlier inner wall forksheet

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