Publication List
This is a list of publications by Gaël Close, covering both peer-reviewed and informal papers.
Journal and conference papers
E. Gasparin et al., “Design of an integrated MEMS magnetic gradiometer rejecting vibrations and stray fields,” IEEE J. Electron Devices Soc., vol. 13, pp. 228–236, 2025. Available: http://dx.doi.org/10.1109/JEDS.2025.3543662
D. Ettelt, N. Dupré, J. Didden, T. Le Signor, and G. Close, “Dynamic error reduction in soft tactile sensors by optimum material selection,” in 2024 IEEE SENSORS, IEEE, Oct. 2024, pp. 1–4. Available: http://dx.doi.org/10.1109/SENSORS60989.2024.10785032
N. Yazigy, E. Gasparin, B. Brajon, L. Barbut, and G. Close, “Modeling of hall-based magnetoelastic torque sensors,” in 2024 IEEE SENSORS, IEEE, Oct. 2024, pp. 1–4. Available: http://dx.doi.org/10.1109/SENSORS60989.2024.10784553
E. Gasparin, B. Brajon, L. Barbut, N. Yazigy, and G. Close, “Magnetoelastic torque sensor with GaAs hall plates for E-bikes,” in 2024 IEEE SENSORS, IEEE, Oct. 2024, pp. 1–4. Available: http://dx.doi.org/10.1109/SENSORS60989.2024.10785082
E. Gasparin et al., “An Integrated MEMS Magnetic Gradiometer Rejecting Vibrations and Stray Fields,” in 2024 IEEE European Solid-State Electronics Research Conference (ESSERC), 2024, pp. 532–535. Available: http://dx.doi.org/10.1109/ESSERC62670.2024.10719515
B. Brajon, E. Gasparin, and G. Close, “A Benchmark of Integrated Magnetometers and Magnetic Gradiometers,” IEEE Access, vol. 11, pp. 115635–115643, 2023. Available: http://dx.doi.org/10.1109/ACCESS.2023.3325035
B. Brajon, C. Schott, and G. Close, “Live Demonstration: Novel Rotary Encoder with Multi-Axis Hall Sensors,” in 2023 IEEE SENSORS, IEEE, Oct. 2023, pp. 01–01. Available: http://dx.doi.org/10.1109/SENSORS56945.2023.10325298
B. Brajon, C. Schott, and G. Close, “Novel Rotary Encoder with Multi-Axis Hall Sensors,” in 2023 IEEE SENSORS, IEEE, Oct. 2023, pp. 1–4. Available: http://dx.doi.org/10.1109/SENSORS56945.2023.10324876
T. Le Signor, N. Dupré, J. Didden, E. Lomakin, and G. Close, “Mass-Manufacturable 3D Magnetic Force Sensor for Robotic Grasping and Slip Detection,” Sensors, vol. 23, no. 6, p. 3031, Mar. 2023. Available: http://dx.doi.org/10.3390/s23063031
N. Dupré, Y. Bidaux, O. Dubrulle, and G. Close, “A stray-field-immune magnetic displacement sensor with 1% accuracy,” IEEE Sens. J., vol. 20, no. 19, pp. 11405–11411, May 2020. Available: http://dx.doi.org/10.1109/JSEN.2020.2998289
T. Le Signor, N. Dupre, and G. F. Close, “A Gradiometric Magnetic Force Sensor Immune to Stray Magnetic Fields for Robotic Hands and Grippers,” IEEE Robotics and Automation Letters, vol. 7, no. 2, pp. 3070–3076, Apr. 2022. Available: http://dx.doi.org/10.1109/lra.2022.3146507
B. Brajon, L. Lugani, and G. Close, “Hybrid magnetic-inductive angular sensor with 360° range and stray-field immunity,” Sensors, vol. 22, no. 6, p. 2153, Mar. 2022. Available: http://dx.doi.org/10.3390/s22062153
Z. Lázár, Y. Bidaux, M. Roos, and G. F. Close, “Model-based engineering of magnetic position sensors,” in Proc. Int. Conf. Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), June 2019, pp. 105–108. Available: https://doi.org/10.1109/SMACD.2019.8795261
H. Pozidis et al., “Enabling technologies for multilevel phase-change memory,” in European Phase Change and Ovonic Symposium, 2011. Available: https://pdfs.semanticscholar.org/47cd/f28008c4c4d96c69cfcbc4f79ee752f20a67.pdf
A. Laville, M. Pardoen, G. Close, M. Poezart, and D. Gerna, “Robustness, Reliability and Diagnostic Aspects in Sensors for Automotive Applications: The Magnetic Sensors Case,” in Workshop on Advances in Analog Circuit Design (AACD), June 2019. Available: https://doi.org/10.1007/978-3-030-25267-0_16
N. Dupré, O. Dubrulle, S. Huber, J. W. Burssens, S. Christian, and G. F. Close, “Experimental demonstration of stray-field immunity beyond 5 mT for an automotive-grade rotary position sensor,” in Proc. Eurosensors, 2018, p. 763. Available: http://dx.doi.org/10.3390/proceedings2130763
S. Huber et al., “A Gradiometric Magnetic Sensor System for Stray-Field-Immune Rotary Position Sensing in Harsh Environment,” in Proceedings of Eurosensors 2018, Dec. 2018, p. 809. Available: http://dx.doi.org/10.3390/proceedings2130809
S. Leroy, S. Rigert, A. Laville, A. Ajbl, and G. F. Close, “Integrated hall-based magnetic platform for position sensing,” in ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference, IEEE, Sept. 2017, pp. 360–363. Available: http://dx.doi.org/10.1109/ESSCIRC.2017.8094600
H. S. P. Wong et al., “Carbon nanotube electronics - Materials, devices, circuits, design, modeling, and performance projection,” in 2011 International Electron Devices Meeting, Dec. 2011, p. 23.1.1-23.1.4. Available: http://dx.doi.org/10.1109/IEDM.2011.6131594
X. Chen et al., “High-speed graphene interconnects monolithically integrated with CMOS ring oscillators operating at 1.3GHz,” in 2009 IEEE International Electron Devices Meeting (IEDM), IEEE, 2009, pp. 1–4. doi: 10.1109/IEDM.2009.5424293. Available: http://ieeexplore.ieee.org/document/5424293/
G. F. Close and G. de Jong, “Model-based progressive design and verification of an integrated CMOS magnetic sensor for automotive applications,” in Proceeding of the 2012 Forum on Specification and Design Languages, 2012, pp. 239–245. Available: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6337018
G. F. Close et al., “A 512Mb phase-change memory (PCM) in 90nm CMOS achieving 2b/cell,” in 2011 Symposium on VLSI Circuits - Digest of Technical Papers, June 2011, pp. 202–203. Available: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5986105
G. F. Close et al., “Device, circuit and system-level analysis of noise in multi-bit phase-change memory,” in 2010 International Electron Devices Meeting, 2010. Available: http://dx.doi.org/10.1109/iedm.2010.5703445
G. F. Close and H.-S. P. Wong, “Measurability Issues in the Radio-Frequency Characterization of Carbon Nanotubes,” in 2006 Sixth IEEE Conference on Nanotechnology, 2006. Available: http://dx.doi.org/10.1109/nano.2006.1717075
G. F. Close and H. -S. Philip Wong, “Nanostructured Materials for Interconnects,” presented at the Advanced Metallization Conference (AMC), 2006.
A. Athmanathan and G. F. Close, “A 7-bit Readout Circuit in 90 nm CMOS for Drift-Resilient Multi-Level Phase-Change Memory,” in Proceedings of the 2011 European Phase Change and Ovonics Symposium, 2011.
D. Akinwande, S. Yasuda, B. Paul, S. Fujita, G. Close, and H. S. P. Wong, “Monolithic integration of CMOS VLSI and CNT for hybrid nanotechnology applications,” in ESSDERC 2008 - 38th European Solid-State Device Research Conference, ieeexplore.ieee.org, 2008, pp. 91–94. Available: http://dx.doi.org/10.1109/ESSDERC.2008.4681706
V. Sacco, M. Poezart, and G. F. Close, “System Design and Verification for a Safety Related Integrated Sensor,” SAE Int. J. Passeng. Cars – Electron. Electr. Syst., vol. 8, no. 2, Apr. 2015. Available: http://dx.doi.org/10.4271/2015-01-0234
D. Akinwande, S. Yasuda, B. Paul, S. Fujita, G. Close, and H. S. P. Wong, “Monolithic Integration of CMOS VLSI and Carbon Nanotubes for Hybrid Nanotechnology Applications,” IEEE Trans. Nanotechnol., vol. 7, no. 5, pp. 636–639, 2008. Available: http://dx.doi.org/10.1109/TNANO.2008.2003438
N. Papandreou et al., “Drift-Tolerant Multilevel Phase-Change Memory,” in 2011 3rd IEEE International Memory Workshop (IMW), May 2011, pp. 1–4. Available: http://dx.doi.org/10.1109/IMW.2011.5873231
D. Akinwande, G. F. Close, and H. S. P. Wong, “Analysis of the Frequency Response of Carbon Nanotube Transistors,” IEEE Trans. Nanotechnol., vol. 5, no. 5, pp. 599–605, 2006. Available: http://dx.doi.org/10.1109/TNANO.2006.880451
X. Chen et al., “Fully Integrated Graphene and Carbon Nanotube Interconnects for Gigahertz High-Speed CMOS Electronics,” IEEE Trans. Electron Devices, vol. 57, no. 11, pp. 3137–3143, Nov. 2010. Available: http://dx.doi.org/10.1109/TED.2010.2069562
G. F. Close, S. Yasuda, B. Paul, S. Fujita, and H.-S. P. Wong, “Sub-ns Delay Through Multi-Wall Carbon Nanotube Local Interconnects in a CMOS Integrated Circuit,” in 2008 International Interconnect Technology Conference, IEEE, 2008, pp. 234–236. doi: 10.1109/IITC.2008.4546976. Available: http://ieeexplore.ieee.org/document/4546976/
G. F. Close, S. Yasuda, B. Paul, S. Fujita, and H.-S. P. Wong, “A 1 GHz integrated circuit with carbon nanotube interconnects and silicon transistors,” Nano Lett., vol. 8, no. 2, pp. 706–709, Feb. 2008. Available: http://dx.doi.org/10.1021/nl0730965
G. F. Close et al., “A 256-Mcell Phase-Change Memory Chip Operating at Bit/Cell,” IEEE Trans. Circuits Syst. I Regul. Pap., vol. 60, no. 6, pp. 1521–1533, June 2013. Available: http://dx.doi.org/10.1109/TCSI.2012.2220459
G. F. Close, S. Yasuda, B. C. Paul, S. Fujita, and H. S. P. Wong, “Measurement of Subnanosecond Delay Through Multiwall Carbon-Nanotube Local Interconnects in a CMOS Integrated Circuit,” IEEE Trans. Electron Devices, vol. 56, no. 1, pp. 43–49, Jan. 2009. Available: http://dx.doi.org/10.1109/TED.2008.2008682
G. F. Close and H. S. P. Wong, “Assembly and Electrical Characterization of Multiwall Carbon Nanotube Interconnects,” IEEE Trans. Nanotechnol., vol. 7, no. 5, pp. 596–600, 2008. Available: http://dx.doi.org/10.1109/TNANO.2008.927373
G. F. Close and H. S. P. Wong, “Fabrication and Characterization of Carbon Nanotube Interconnects,” in 2007 IEEE International Electron Devices Meeting, Dec. 2007, pp. 203–206. Available: http://dx.doi.org/10.1109/IEDM.2007.4418902
Informal papers
G. Close, “Turning Your Notes into PDF Technical Memos and Data Science Reports,” Oct. 2025. Available: https://medium.com/data-science-collective/turning-your-notes-into-pdf-technical-memos-or-data-science-reports-ddd150273cc6
G. Close, “Bayesian Sensor Calibration,” Towards Data Science, 2024. Available: https://towardsdatascience.com/bayesian-sensor-calibration-9ef53e6c6271
G. Close, “Multi-Pixel Magnetic Sensing Gives Robots the Gentle Touch,” Tech Briefs, 2023. Available: https://www.techbriefs.com/component/content/article/tb/supplements/st/features/applications/48121.
G. Close, “The 6 pillars of innovation management,” Jan. 16, 2023. Available: https://www.linkedin.com/pulse/6-pillars-innovation-management-gael-close.
G. Close, “Formatting a Jupyter Notebook for IEEE Transactions Journals,” Towards Data Science, Oct. 02, 2022. Available: https://towardsdatascience.com/formatting-a-jupyter-notebook-for-ieee-transactions-journals-4453d5b3c633
G. Close, “Technical Writing and Publishing Data-Rich Articles with Quarto,” Towards Data Science, Sept. 20, 2022. Available: https://towardsdatascience.com/technical-writing-and-publishing-data-rich-articles-with-quarto-d61a56bcaa64.
G. Close, “Functional Modeling and Quantitative System Analysis in Python,” Towards Data Science, Jan. 31, 2021. Available: https://towardsdatascience.com/functional-modeling-and-quantitative-system-analysis-in-python-22b90bf0b9b5.
G. Close, “Signal Chain Analysis in Python: a Case Study for Hardware Engineers,” Towards Data Science, Feb. 22, 2021. Available: https://towardsdatascience.com/signal-chain-analysis-in-python-84513fcf7db2.
Patents
A. Van Der Wiel, L. Barbut, B. Brajon, G. Close, and E. Gasparin, “Magnetoelastic torque sensor device, system and method,” 20240060838:A1, Feb. 22, 2024 Available: https://patents.google.com/patent/US20240060838A1/en?oq=4328560
G. Close and L. Lugani, “Hybrid position sensor,” 3875913:B1, Oct. 25, 2023 Available: https://patents.google.com/patent/EP3875913B1/en
T. Le Signor, G. Close, and N. Dupré, “Slip detection for robotic grip,” 4344836:A1, Apr. 03, 2024 Available: https://patents.google.com/patent/EP4344836A1/en?oq=+EP4344836A1
T. Le Signor, G. Close, and N. Dupre, “Soft force sensor,” 20230393002:A1, Dec. 07, 2023 Available: https://patents.google.com/patent/US20230393002A1
G. Close, N. Dupre, and T. Le Signor, “Magnetic sensor devices, systems and methods, and a force sensor,” 11797043, Oct. 24, 2023 Available: https://patents.google.com/patent/US11797043B2
G. Close, N. Dupre, J.-C. Depoorter, and Y. Bidaux, “Device and method for determining an orientation of a magnet, and a joystick,” 11921173, Mar. 05, 2024 Available: https://patentimages.storage.googleapis.com/ea/9f/82/c483355ae3aecf/US11921173.pdf
G. Close, J. Raman, P. Rombouts, A. Bonin, and E. Sachse, “Sensor device and system with non-linearity compensation,” 20230130262:A1, Apr. 27, 2023 Available: https://patentimages.storage.googleapis.com/a0/68/a0/d7cdc1c50c3f40/US20230130262A1.pdf
L. Tombez, Y. Bidaux, and G. Close, “Magnetic position sensor device, method and system, with error detection,” 11852507, Dec. 26, 2023 Available: https://patentimages.storage.googleapis.com/1a/b3/37/b3024633e21cb5/US11852507B2.pdf
G. Close, J. Degois, N. Dupre, T. Le Signor, and T. Vangerven, “Force sensing scale with target,” 20220412791:A1, Dec. 29, 2022 Available: https://patents.google.com/patent/US20220412791A1/en?oq=17%2f850%2c509
G. Close and S. H. Lindenberger, “Magnetic position sensor system and method,” 11668770, June 06, 2023 Available: https://patents.google.com/patent/US11668770B2
C. Schott, G. Close, and B. Brajon, “Position sensor system and method,” 11614343, Mar. 28, 2023 Available: https://patents.google.com/patent/US11614343B2/
E. Sachse and G. Close, “Digital phase tracking filter for position sensing,” 11536587, Dec. 27, 2022 Available: https://patents.google.com/patent/US11536587B2/en
N. Dupre, L. Tombez, G. Close, Y. Bidaux, and D. Goyvaerts, “Magnetic sensor system,” 3783316:B1, June 15, 2022 Available: https://patentimages.storage.googleapis.com/33/4b/7f/8d4f9b71e9a4fd/EP3783316B1.pdf
N. Dupre, L. Tombez, G. Close, Y. Bidaux, and D. Goyvaerts, “Magnetic sensor device, system and method,” 11371862, June 28, 2022 Available: https://patents.google.com/patent/US11371862B2/en?q=Magnetic+position+sensor+system+and+method&inventor=Gael+Close&status=GRANT
J. Raman, G. Close, and P. Rombouts, “Position sensing device,” 3517897:B1, Oct. 28, 2020 Available: https://patents.google.com/patent/EP3517897B1/en
G. Close, A. Laville, S. Rigert, and S. H. Lindenberger, “Stray field rejection in magnetic sensors,” 3457154:B1, Apr. 08, 2020 Available: https://patents.google.com/patent/EP3457154B1
G. Close and D. Krebs, “Memory apparatus with gated phase-change memory cells,” 9076517B2, July 07, 2015 Available: https://patents.google.com/patent/US9076517B2/en
J. B. de Mendizabal, G. Close, and M. Poezart, “Bridge sensor error check,” 3401646B1, Nov. 14, 2018 Available: https://patents.google.com/patent/EP3401646B1
G. Close, C. Hagleitner, A. Pantazi, N. Papandreou, C. Pozidis, and A. Sebastian, “Cell-state measurement in resistive memory,” 20120230081A1, Sept. 13, 2012 Available: https://www.google.com/patents/US20120230081
Thesis
G. F. Close, “On-chip demonstration of carbon nanotube interconnects,” PhD, Stanford Univeristy, 2008. Available: https://www.proquest.com/docview/304473788
Conference talks
Without proceedings
G. Close, “AI-Driven Robotics: Tactile Sensors for Physical Intelligence,” presented at the ITF World, May 2025.
G. Close, “Magnetic Tactile Sensors for Dexterous Robotic Manipulation,” presented at the IEEE SIM, May 2025.
G. Close, “An Integrated MEMS Magnetic Gradiometer,” presented at the Magnetic Materials and Applications (MMA), Oct. 2024.
M. Biron, G. Close, and S. Mansour, “Pivoting for the Future : How Melexis is Adapting and Innovating for the future,” presented at the ESSERC2024, Sept. 2024.
G. Close, “Sensors for Intelligent Robotics: Does Accuracy Matter?,” presented at the ICRA2024, May 2024.
G. Close, “Smart Magnetic Sensors,” presented at the MEAD Education: Sensors and CMOS Interface Electronics, Mar. 2023.
G. Close, “Innovative Hall Effect Magnetic Sensors at MaM,” presented at the Micronarc Alpine Meeting, May 2022.
G. Close, “Innovative Hall Effect Magnetic Sensors,” presented at the IEEE Sensors and Interfaces Meeting 2022 (IEEE SIM), May 2022.
G. Close, “Quantitative System Analysis in Python,” presented at the SESE Tour 2021, May 2021.
G. Close, C. Buggenhout, H. Van den Broeck, M. Mizuki, and V. Sacco, “Practical Systems Engineering for Microsystems Development,” presented at the SWISSED, Sept. 2017.
G. F. Close, “Deploying Systems Engineering Methods: A Case Study in Automotive Sensors Development,” presented at the The Swiss Society of Systems Engineering Day (SWISSED), Sept. 2015.
G. Close, “A hierarchy of models for HW/SW co-development of smart integrated CMOS Hall sensors,” presented at the CMOS Emerging Technologies Research Symposium, July 2014.
G. F. Close and G. de Jong, “Hardware-Software Co-design and Verification of Mixed-Signal Integrated Magnetic Sensors for Automotive Applications,” presented at the CDNLive EMEA, 2013.