| Leverage the Advantages of Aluminum Nitride for Superior Ultra-Wide Bandgap Semiconductors for High-Power, High-Temperature Diodes and Transistors |
- Metal modulated epitaxy method enables the production of p-type beryllium-doped aluminum nitride films as key components in ultra-wide bandgap semiconductors for the first time.
- Achieves high reverse breakdown voltage—a significant advantage over wide bandgap materials such as silicon carbide and gallium nitride.
- Improves current conduction over best previous results in p-type aluminum nitride (AIN) by 30,000,000 times and n-type AlN by 6,000 times.
|
8666 |
|
| Back-Illuminated, Modified Silicon Photomultipliers with Largely Enhanced Efficiency for Multiple Applications |
- A novel photomultiplier device has been created that minimizes photon losses, and greatly enhances the efficiency of the device.
- The photomultiplier may improve the fill factor to 100% from 75% for the current SiPM and increases the usable wavelength range to cover the entire UV-Vis spectrum.
- The technology contains a texturized photoelectric surface and at least one coating layer and can be produced using standard manufacturing processes and low extinction coefficient materials.
|
8965 |
|
| Scalable Manufacturing Approach of Graded Polymer Thin Film Has Potential for Widespread Use |
- Combines slot die coating with a custom roll-to-roll imaging system to allow for efficient, rapid, and scalable fabrication of high-quality gradient thin films.
- An improved manufacturing process over existing techniques because it uses broad material combinations and yields higher quality patterned thin films.
- Incorporates multiple materials to increase the application of patterned thin films across industries, including microelectronics, energy technologies, and environmental systems.
|
8994 |
|
| Overvoltage Surge Protection System for Distributed Energy Resources |
- iMOV is a dynamic system capable of achieving voltage surge clamping within 20% of the system’s nominal voltage. This effectively provides protection for highly sensitive semiconductors present in DER-associated power converters.
- This system is built upon a metal oxide varistors (MOV) foundation, whose material composition inherently allows rapid device connection of 500 picoseconds for quicker response times.
- iMOV uses integrated microprocessors and sensors in a cloud-based architecture that provides protection against cyberattacks, reduces system cost, and allows system and power grid monitoring.
|
9190 |
|
| Microgeodes Enable Tunable Optical Response for Advanced Coatings/Paint |
- Microgeodes have a programmable structure of nanowires that allows their optical response to be engineered precisely over multiple spectral bands, from UV through mid-IR.
- Microgeodes combine the tunability and versatility of nanowires with the processability of microspheres to provide a photonic materials platform for a wide range of applications.
- Microgeode paints could reduce building surface temperatures by as much as 25°C, offering the potential for significant consumer savings while retaining aesthetically pleasing colors.
|
8866 |
|
| Variable Slope, Multi-Octave Radio Frequency Filters |
- Customizable: The combined signal may be applied to a standard low-pass, band pass, or high-pass optical filter. The filter can be implemented with any number of poles for a maximum defined-slope, and the choice of pass type may be made according to the desired slope direction.
- Variable: By moving the optical carrier up and down in frequency through the transition band, the slope of the RF signal can be continuously varied.
- Versatile: The technology can be used as is or it can augment existing RF lab equipment.
|
7680 |
|
| Soft Wireless Sternal Patch for Detecting Systemic Vasoconstriction Using Photoplethysmography |
- A wireless, soft sternal patch includes integrated skin-like, photolithographically patterned electronics specifically tuned to continuously measure vasoconstriction from the sternum.
- In overnight trials, the device detected sleep apnea and hypopnea with 95% precision and 100% sensitivity compared to data professionally scored by licensed clinicians.
- Use of this patch on the chest could improve detection of key markers of numerous harmful health conditions.
|
9170 |
|
| Intelligent Eye-Tracking System Offers Next-Gen Technology for Virtual and Augmented Reality (VR/AR) Applications |
- This system uses an AI accelerator chip with 4X higher throughput to achieve over 300 FPS, greatly improving processing speed without loss of accuracy.
- EyeCoD achieves faster communication time by using a lens-less camera that reduces distance between the camera and the accelerator chip.
- Using a “predict-then-focus” model, this system creates highly accurate images as well as improves visual privacy.
|
9202 |
|
| Solar Cell Manufacturing Technique Increases Efficiency and Lowers Costs |
- This double-side polysilicon/silicon oxide TOPCon (tunnel oxide passivated contact) solar cell concept provides a simple and low-cost way to passivate front and back surfaces of silicon wafers to enhance efficiency.
- Provides current and voltage comparable to full-area double-side TOPCon but with no appreciable absorption in front polysilicon and without compromising short circuit current density
- Includes a novel and fast way to pattern polysilicon using laser-induced selective oxidation
|
8888 |
|
| Tunable MEMs Gas Sensor Improves Selectivity and Sensitivity |
- Versatile: Customizes MEMS chemical sensors, compatible with a variety of sensing materials, allowing for the detection of numerous gas-phase analytes
- Easy to manufacture: Uses batch-fabricated sensors compatible with COTS electronics
- Highly sensitive: Offers sub parts-per-million detection limits for volatile organic compounds
- Enhanced selectivity: Combines gravimetric and impedimetric responses to demonstrate enhanced discrimination between multiple VOCs
- Powerful: Enables the simultaneous observation of both mass loading and dielectric changes in polymeric sensing films upon sorption of an analyte
- Innovative: Uses the transient response characteristics of a sensor response to a gated exposure event, rather than steady-state sensor data
|
8269, 8987 |
|
| Distributed Position, Navigation, and Timing (PNT) Chain Significantly Improves Drone Navigation When GPS Fails |
- The robust Distributed PNT Chain enables a swarm of drones or other autonomous platforms to effectively navigate when they are denied GPS access.
- The system shares and processes all available sensor data to significantly improve the robustness and reliability of drone teams.
- The highly modular system is interoperable with preexisting GPS INSs and supports variable and evolving platform geometries.
|
9046 |
|
| Novel Silicon Radiation Detector Enabled By Tunnel Oxide Passivating Contact |
- The technology passivates the bottom surface well and suppresses electron recombination near the bottom contact, resulting in low leakage current.
- Passivating the silicon surface and decreasing hole recombination near the front contact leads to low recombination current density at the surface and low effective contact resistivity.
- An extremely low J0 for the tunnel oxide passivating contact on both sides yields a higher energy resolution and lower noise level.
|
9227 |
|
| Superluminescent Light Projection (SLP) System Decreases Nanoscale Printing Costs by 10–50 Times |
- This superluminescent light projection (SLP) system decreases overall nanoscale printing costs by 10–50 times.
- A parallel writing mechanism supports higher throughput speeds: up to 100 times higher than existing metal printing methods and four times higher than existing polymer printing methods.
- SLP creates sharp-edged images with minimal speckling patterns, resulting in high-resolution images and structures on both polymer and metal-based films.
|
9066 |
|
| Metasurface Enables Rapid, Sensitive, and Low-Cost Permittivity Characterization of Dielectric Materials at Radio Frequencies |
- Characterize complex permittivity of dielectric materials at radio frequencies quickly and at lower cost than with existing techniques.
- The electronically reconfigurable system allows integration of active electronics for tunability and eliminates the need for several masks to achieve the needed bandwidth.
- Measure individual frequencies by swapping out only the metasurfaces, which can be used on a wide range of sample thicknesses.
|
9078 |
|
| Patient-Centered Biofeedback Headset Can Isolate, Monitor, and Analyze Vocal Output in Real Time for Optimal Voice Modulation in Patients with Parkinson’s Disease |
- Innovative headset offers real-time haptic feedback for vocal improvement and increased patient autonomy.
- Device stores easily accessible data for therapist review and fine-tuning of preset therapeutic thresholds to continually improve vocal output.
- Lightweight, low-profile, battery-powered headset are favorable for all-day wear and use omnidirectional microphones for optimal comfort.
|
9134 |
|
| D-Band Vector Modulator Phase Shifter (VMPS) Achieves Higher Bandwidth |
- Uses tapered delay lines at the input to generate differential quadrature signals that enable wider bandwidth and result in higher speed communications
- Reaches a moderate gain of 1.5 decibels at a center frequency of 128 GHz, while simultaneously achieving higher bandwidth of 35 GHz than any other mmWave VMPS in silicon
- Has low power consumption, using only 20.3 mW of average DC power from a 1.5 V supply
|
9180 |
|
| High-Performance Analog Processor Offers Potential to Expand Capabilities of Radio Frequency (RF) Systems |
- TRAFFIC is the first generalized, high-performance analog finite impulse response processor technology that enables direct throughput processing of RF signals within the RF and microwave spectrums.
- The device enables multiple-function RF capabilities and significantly reduces the size, weight, and power requirements of RF technologies.
- TRAFFIC has unique performance benefits that allow it to operate reliably in extreme environments, including high performance across wide temperature ranges and radiation-intense applications.
|
8143 |
|
| Plasma-Activated Catalytic Air Purifier Cleans Enclosed Spaces |
- This plasma-activated catalytic air purifier can be used to clean enclosed spaces, such as aircraft, hospitals, and classrooms, while mitigating hazardous gas-phase byproducts.
- The air purifier can be used synergistically with UV diode lasers and UV lamps, providing additional contaminant destruction pathways while lowering the potential for dielectric breakdown and plasma formation.
- This comprehensive technology is effective for germicide and sterilization activities as well as for hydroxyl-radical production and ozone removal in a wide variety of indoor environments.
|
8536 |
|
| Parametric Resonance Approach for Efficient, Versatile Acoustic Power Transfer for Implantable/Wearable Devices, Sensing, and Communications |
- New class of transducers utilizes parametric resonance to convert acoustic energy from an ultrasonic source to a sustained electrical signal.
- Technology powers implantable biomedical devices, small wearable sensors, and other wireless charging applications.
- Simple yet robust generation of stable electromechanical frequency combs is also possible in both air and liquid environments using a capacitive micro-resonator array.
|
7635, 9075 |
|
| Electronic Immunoassay Using Enzymatic Metallization on Microparticles |
- Lower cost: Replacing fluorescent markers and readout methods with impedance detection has the potential to significantly decrease the cost of the assay.
- Transportable: Impedance measurements in microfluidics can be made transportable, which can potentially enable point-of-care applications, as electronic elements are more durable than optical elements.
- Practical: Identification of COVID-19 antibodies in COVID-positive serum samples has already been demonstrated.
|
8813 |
|
