Search Results - semiconductors%2c+materials+%26+processes

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Multi-Kilovolt AIN Power Diodes on Free-Standing Substrates
Background Aluminum nitride (AlN) is a promising ultra-wide bandgap (UWBG) semiconductor for next-generation power electronics due to its remarkable material attributes, including the largest bandgap in the UWBG semiconductor family, high breakdown field, and superior thermal conductivity. In recent years, AlN Schottky barrier diodes (SBDs) have already...
Published: 10/3/2024   |   Inventor(s): Houqiang Fu, Dinusha Herath Mudiyanselage, Dawei Wang
Keywords(s):  
Category(s): Energy & Power, Physical Science, Semiconductors, Materials & Processes
Low-Temperature Welding of Copper Nanoporous Powders for High Surface Area Electrodes
Background Nanoporous metals, especially copper, are critical in fields like hydrogen production, battery technology, and energy storage due to their high surface area and conductivity. However, traditional sintering methods require high temperatures, which often reduce porosity and compromise performance. Additionally, the mechanical instability of...
Published: 9/26/2024   |   Inventor(s): Stanislau Niauzorau, Natalya Kublik, Emmanuel Dasinor, Amm Hasib, Aliaksandr Sharstniou, Bruno Azeredo
Keywords(s):  
Category(s): Physical Science, Energy & Power, Semiconductors, Materials & Processes, Advanced Materials/Nanotechnology
Nano-Sized Boron-Doped Diamond-Enabled Electrodes for Water Treatment and Chemical Sensing
Background Electrochemical sensing is a compact process used to detect chemicals in aqueous solutions (e.g., water, bodily fluids, foods). It can also be used to treat pollutants in drinking and industrial wastewaters. Electrochemical oxidation can generate hydroxyl radicals, which are effective in degrading organic contaminants in water, including...
Published: 11/6/2024   |   Inventor(s): Paul Westerhoff, Sergi Garcia-Segura, Shahnawaz Sinha, Rishabh Bansal, Rafael Verduzco, Michael Wong
Keywords(s): Environmental
Category(s): Physical Science, Energy & Power, Advanced Materials/Nanotechnology, Semiconductors, Materials & Processes
Open-Air Plasma Removal of Lithium Carbonate for High Performance Solid-State Electrolytes
Background Open-air plasma technology provides a versatile, tunable heat source for processing various materials, including those used in lithium-ion batteries. It enables rapid, controlled transformation, offering an advantage over traditional RF or microwave plasmas. One critical application for open-air plasma technology is in solid-state batteries,...
Published: 9/5/2024   |   Inventor(s): Nicholas Rolston, Candace Chan, Mohammed Sahal, Jinzhao Guo
Keywords(s):  
Category(s): Physical Science, Energy & Power, Semiconductors, Materials & Processes, Advanced Materials/Nanotechnology
β-Ga₂O₃ in the Construction of NiO/β-Ga₂O₃ p-n Diodes
Background Silicon (Si) is the most widely used semiconductor for many reasons including its abundance, cost-effectiveness, and excellent electrical properties. However, its lower breakdown voltage and thermal limitations make it less suitable for high-power, high- frequency and high-temperature applications. The uniformity in silicon's crystal...
Published: 6/24/2024   |   Inventor(s): Houqiang Fu, Dinusha Herath Mudiyanselage, Dawei Wang
Keywords(s):  
Category(s): Physical Science, Semiconductors, Materials & Processes, Energy & Power, Applied Technologies
KV-Class and Low RON Vertical β-Ga2O3 HEMT-CAVET Power Switch
Background Beta-gallium oxide (β-Ga2O3) has become a promising candidate for high-power, high-voltage, and high-frequency applications due to its ultrawide bandgap (-4.8 eV), high critical electric field (-8 MV/cm), and large Baliga’s figure of merit. Compared with lateral devices such as high electron mobility transistors (HEMTs), vertical...
Published: 6/24/2024   |   Inventor(s): Houqiang Fu, Dawei Wang, Dinusha Herath Mudiyanselage
Keywords(s):  
Category(s): Energy & Power, Physical Science, Applied Technologies, Semiconductors, Materials & Processes
Advanced Sub-µm Semiconductor Memory Chip Manufacturing in Zero-Gravity Environment
Background With the exponential growth of data, advances in machine learning (ML) and artificial intelligence, and the digital transition of the workplace, there is a strong need to develop next-generation processors for the existing and expanding digital devices. Advanced functional chips are an important component of processor innovation, due to...
Published: 5/24/2024   |   Inventor(s): Ying-Chen Chen
Keywords(s):  
Category(s): Energy & Power, Semiconductors, Materials & Processes, Physical Science, Advanced Materials/Nanotechnology
Functional Ultrathin Battery Separator
Background Electrified transportation and renewable energy are both rapidly growing in recent years. These demands require high-performance electrical energy storage devices such as lithium-ion batteries which currently are widely used. However, lithium-ion batteries tend to have high costs, minimal material availability and low capacity. There is...
Published: 5/1/2024   |   Inventor(s): Zhaoyang Fan
Keywords(s):  
Category(s): Physical Science, Semiconductors, Materials & Processes, Advanced Materials/Nanotechnology, Energy & Power, Alternative Energy
Carving Probes Metrology
Background 2D stacked semiconductors as channel materials are being actively considered for high volume manufacturing (HVM). However, there is a need for developing methods for vetting important physical characteristics that affect devices. These characteristics include layer counts, contaminations, interface control, stacking order and orientation,...
Published: 5/8/2024   |   Inventor(s): Umberto Celano
Keywords(s):  
Category(s): Energy & Power, Advanced Materials/Nanotechnology, Physical Science, Semiconductors, Materials & Processes
Design of Microfabricated Mechanically Interlocking Metamaterials for Reworkable Heterogeneous Integration
Background In the evolving field of electronic manufacturing, the integration of various components into cohesive systems presents significant challenges. Traditional methods often rely on soldering and adhesives for bonding, but these approaches have limitations in terms of reworkability, thermal constraints, and adaptability to diverse materials....
Published: 3/26/2024   |   Inventor(s): Joseph Brown, Kody Wakumoto, Geoffrey Garcia
Keywords(s):  
Category(s): Advanced Materials/Nanotechnology, Manufacturing/Construction/Mechanical, Physical Science, Semiconductors, Materials & Processes
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