Academic Research Paper Round-Up: April 13
By Linda Christensen - 13 Apr, 2022 - Comments: 0

The volume of research into advanced semiconductors is rising and widening. The latest batch includes hybrid power-gating architecture, RRAM devices models, improved FMEA, quantum machine learning, enhanced nonlinear optics, harvesting energy after sundown, direct chemisorption-assisted nanotransfer printing, and more. Topping the list of researchers this week are ETH Zurich, Stanford Unive... » read more

A Full-GaN Solution For High Power Density Chargers And Adapters
By Infineon - 13 Apr, 2022 - Comments: 0

Due to continuous demand for high power density, USB-C fast chargers’ switching frequencies need to be increased to reduce the size of the transformers and the filter components. Emerging technologies based on Wide Band Gap (WBG) semiconductor materials enable new approaches to increase power density. At high switching frequencies, GaN HEMTs for synchronous rectifier (SR) switches have the ad... » read more

DarkGates: A Hybrid Power-Gating Architecture to Mitigate the Performance Impact of Dark-Silicon in High Performance Processors
By Technical Paper Link - 12 Apr, 2022 - Comments: 0

New research paper from ETH Zurich and others. Abstract "To reduce the leakage power of inactive (dark) silicon components, modern processor systems shut-off these components' power supply using low-leakage transistors, called power-gates. Unfortunately, power-gates increase the system's power-delivery impedance and voltage guardband, limiting the system's maximum attainable voltage (i.e., ... » read more

Quantum Machine Learning: Security Threats & Lines Of Defense
By Technical Paper Link - 12 Apr, 2022 - Comments: 0

New research paper from Pennsylvania State University explores quantum machine learning (QML) and its use in hardware security. Find the technical paper here. April 2022. Satwik Kundu and Swaroop Ghosh. 2022. Security Aspects of Quantum Machine Learning: Opportunities, Threats and Defenses (Invited). In Proceedings of the Great Lakes Symposium on VLSI 2022 (GLSVLSI ’22), June 6–8,... » read more

Novel Methods To Enhance Data Quality in FMEA Documents In Semiconductor Manufacturing
By Technical Paper Link - 12 Apr, 2022 - Comments: 0

New research paper from Graz University of Technology & others. Abstract "Digitalization of causal domain knowledge is crucial. Especially since the inclusion of causal domain knowledge in the data analysis processes helps to avoid biased results. To extract such knowledge, the Failure Mode Effect Analysis (FMEA) documents represent a valuable data source. Originally, FMEA documents were de... » read more

Photovoltaic Cell Harvests Energy After Sun Goes Down
By Technical Paper Link - 12 Apr, 2022 - Comments: 0

New research paper "Nighttime electric power generation at a density of 50 mW/m2 via radiative cooling of a photovoltaic cell" from Stanford, supported by U.S. Department of Energy and the Strategic Energy Alliance program at Stanford University. Abstract: "A large fraction of the world's population lacks access to the electric grid. Standard photovoltaic (PV) cells can provide a renewabl... » read more

Antiferroelectric negative capacitance from a structural phase transition in zirconia
By Technical Paper Link - 12 Apr, 2022 - Comments: 0

New research paper from 24-person research team from Berkeley, Georgia Tech, MIT, and other institutions. Abstract "Crystalline materials with broken inversion symmetry can exhibit a spontaneous electric polarization, which originates from a microscopic electric dipole moment. Long-range polar or anti-polar order of such permanent dipoles gives rise to ferroelectricity or antiferroelectrici... » read more

Graphene oxide 2D films integrated with nanowires and ring resonators for enhanced nonlinear optics
By Technical Paper Link - 12 Apr, 2022 - Comments: 0

New research paper from Optical Sciences Centre, Swinburne University of Technology. Abstract "We report enhanced nonlinear optics in nanowires, waveguides, and ring resonators by introducing layered two-dimensional (2D) graphene oxide (GO) films through experimental demonstration. The GO films are integrated on silicon-on-insulator nanowires (SOI), high index doped silica glass, and sili... » read more

Strategies For Faster Yield Ramps On 5nm Chips
By Laura Peters - 12 Apr, 2022 - Comments: 0

Leading chipmakers TSMC and Samsung are producing 5nm devices in high volume production and TSMC is forging ahead with plans for first 3nm silicon by year end. But to meet such aggressive targets, engineers must identify defects and ramp yield faster than before. Getting a handle on EUV stochastic defects — non-repeating patterning defects such as microbridges, broken lines, or missing con... » read more

Choosing The Right Server Interface Architectures For High Performance Computing
By Jerry Lotto - 12 Apr, 2022 - Comments: 0

The largest bulk and cost of a modern high-performance computing (HPC) installation involves the acquisition or provisioning of many identical systems, interconnected by one or more networks, typically Ethernet and/or InfiniBand. Most HPC experts know that there are many choices between different server manufacturers and the options of form factor, CPU, RAM configuration, out of band management... » read more

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