Blar i Institutt for mikrosystemer på forfatter "Roy, Avisek"
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Analysis of an Approximated Model for the Depletion Region Width of Planar Junctionless Transistors
Nowbahari, Arian; Roy, Avisek; Akram, Muhammad Nadeem; Marchetti, Luca (Peer reviewed; Journal article, 2019)In this paper, we investigate the accuracy of the approximated analytical model currently utilized, by many researchers, to describe the depletion region width in planar junctionless transistors (PJLT). The proposed analysis ... -
Carbon Nanotubes Directly Integrated in CMOS by Local Synthesis - Towards a Wafer-Level Process
Aasmundtveit, Knut; Roy, Avisek; Ta, Bao Quoc (Chapter, 2019)Integrating nanomaterials in electronic circuitry and in microsystems is highly desired for fully exploiting the functionality of nanomaterials such as Carbon Nanotubes (CNTs), utilizing the signal processing of ... -
Design and fabrication of CMOS microstructures to locally synthesize carbon nanotubes for gas sensing
Roy, Avisek; Azadmehr, Mehdi; Ta, Bao Quoc; Häfliger, Philipp; Aasmundtveit, Knut (Peer reviewed; Journal article, 2019)Carbon nanotubes (CNTs) can be grown locally on custom-designed CMOS microstructures to use them as a sensing material for manufacturing low-cost gas sensors, where CMOS readout circuits are directly integrated. Such a ... -
Direct Synthesis of Carbon Nanotubes in CMOS-Layout of Micro-heaters
Roy, Avisek; Azadmehr, Mehdi; Häfliger, Philipp; Ta, Bao Quoc; Aasmundtveit, Knut (Peer reviewed; Journal article, 2019)Direct integration of Carbon Nanotubes (CNTs) in CMOS is important for commercially manufacturing low-cost CNT-based sensors. In such compact sensors, CNTs would act as sensing element, and CMOS circuits would process ... -
Evaluation of Silicon Diaphragms for Hermetic Packaging of Microbolometer Arrays
Xia, Hexin; Akram, Muhammad Nadeem; Bardalen, Eivind; Roy, Avisek; Aasmundtveit, Knut; Øhlckers, Per (Chapter, 2020)Hermetic packaging is a critical requirement for microbolometers to maintain long-term reliability. A thinner diaphragm is desirable for vacuum packaging of microbolometers to obtain higher infrared light transmission. ... -
Post-CMOS processing challenges and design developments of CMOS-MEMS microheaters for local CNT synthesis
Roy, Avisek; Ta, Bao Quoc; Azadmehr, Mehdi; Aasmundtveit, Knut Eilif (Peer reviewed; Journal article, 2023)Carbon nanotubes (CNTs) can be locally grown on custom-designed CMOS microheaters by a thermal chemical vapour deposition (CVD) process to utilize the sensing capabilities of CNTs in emerging micro- and nanotechnology ...