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Results 1876–1900 of 2,476

Regrowth method for fabricating wide-bandgap transistors, and devices made thereby

Patent • #10,388,753. Methods are provided for fabricating a HEMT (high-electron-mobility transistor) that involve sequential epitaxial growth of III-nitride channel and barrier layers, followed by epitaxial regrowth of further III-nitride material through a window in a mask layer. In examples, the regrowth takes place over exposed portions of the channel layer in...

Regrowth method for fabricating wide-bandgap transistors, and devices made thereby

Patent • #10,553,697. Methods are provided for fabricating a HEMT (high-electron-mobility transistor) that involve sequential epitaxial growth of III-nitride channel and barrier layers, followed by epitaxial regrowth of further III-nitride material through a window in a mask layer. The regrowth takes place on the barrier layer, only in the access region or...

Remote sensing using MIMO systems

Patent • #9,019,148. A technique for sensing a moving object within a physical environment using a MIMO communication link includes generating a channel matrix based upon channel state information of the MIMO communication link. The physical environment operates as a communication medium through which communication signals of the MIMO communication link propagate...

Remote vibration sensing through opaque media using permanent magnets

Patent • #10,969,269. A method of sensing vibrations or displacements remotely is provided. Magnets are attached to vibrating objects or the vibrating objects themselves are magnetic. A number of magnetic sensors are placed a specified distance from the magnets. Vibrational displacement of the vibrating objects is determined according to a model that...

Removable pellicle for lithographic mask protection and handling

Patent • #6492067. A removable pellicle for a lithographic mask that provides active and robust particle protection, and which utilizes a traditional pellicle and two deployments of thermophoretic protection to keep particles off the mask. The removable pellicle is removably attached via a retaining structure to the mask substrate by magnetic attraction...

Repeatable masking of sensitive data

Patent • #10,177,922. The various technologies presented herein relate to enabling a value generated based upon a physical unclonable function (PUF) response to be available as needed, while also preventing exposure of the PUF to a malicious entity. A masked PUF response can be generated based upon applying a function to a...

Representation of activity in images using geospatial temporal graphs

Patent • #9,959,647. Various technologies pertaining to modeling patterns of activity observed in remote sensing images using geospatial-temporal graphs are described herein. Graphs are constructed by representing objects in remote sensing images as nodes, and connecting nodes with undirected edges representing either distance or adjacency relationships between objects and directed edges representing...

Resistive field structures for semiconductor devices and uses therof

Patent • #9,761,675. The present disclosure relates to resistive field structures that provide improved electric field profiles when used with a semiconductor device. In particular, the resistive field structures provide a uniform electric field profile, thereby enhancing breakdown voltage and improving reliability. In example, the structure is a field cage that is...

Resistivity analysis

Patent • #7,062,399. According to an example embodiment of the present invention a semiconductor die having a resistive electrical connection is analyzed. Heat is directed to the die as the die is undergoing a state-changing operation to cause a failure due to suspect circuitry. The die is monitored, and a circuit path...

Resonant dielectric metamaterials

Patent • #8,902,115. A resonant dielectric metamaterial comprises a first and a second set of dielectric scattering particles (e.g., spheres) having different permittivities arranged in a cubic array. The array can be an ordered or randomized array of particles. The resonant dielectric metamaterials are low-loss 3D isotropic materials with negative permittivity and...

Resonant optical device with a microheater

Patent • #9,612,458. A resonant photonic device is provided. The device comprises an optical waveguiding element, such as an optical resonator, that includes a diode junction region, two signal terminals configured to apply a bias voltage across the junction region, and a heater laterally separated from the optical waveguiding element. A semiconductor...

Resonant surface acoustic wave chemical detector

Patent • #9,726,646. Apparatus for chemical detection includes a pair of interdigitated transducers (IDTs) formed on a piezoelectric substrate. The apparatus includes a layer of adsorptive material deposited on a surface of the piezoelectric substrate between the IDTs, where each IDT is conformed, and is dimensioned in relation to an operating frequency...

Respirator test system

Patent • #12161894. A test fixture facilitates non-destructive testing of a protective mask. The test fixture includes a mock facial structure, a clamping form that makes a seal around at least part of the facial structure, and can employ the retaining straps of the protective mask to a make a seal around...

Retinal-inspired method and system for improved detection

Patent • #10,765,864. The present disclosure provides a method and device for filtering sensor data. Signals from an array of sensor pixels are received and checked for changes in pixel values. Motion is detected based on the changes in pixel values, and motion output signals are transmitted to a processing station. If...

RetSynth Software

Featured Opportunity • RetSynth is a comprehensive tool for rapidly identifying all optimal and sub-optimal pathways for the bioproduction of high value target compounds The successful biological production of high value target compounds is a slow and complex process. Achieving production of relevant quantities requires the design and integration of pathways into a...

RF signature detection for waveguide deformation

Patent • #11592405. A radio frequency (RF) based waveguide health monitoring system is disclosed. The system employs an RF transmitter for launching a probe RF waveform into a waveguide. Reflections, etc., from the interior of the waveguide of the probe RF waveform create a signature RF waveform, with a health RF receiver...

Right-Size Dimple Evaluator v. 2.0

Featured Opportunity • There are many examples of surface modifications that reduce resistance to flow and improve performance. For instance, a dimpled golf ball can travel twice as far as a smooth ball when hit with the same force. Dimple modifications have had an impact on many application fields, most recently vehicles, aerospace,...

Rivet rotating eddy current probe

Patent • #7,902,819. An eddy current probe adapted for detecting cracks in material directly beneath a raised-head fastener is disclosed. The probe comprises an eddy current coil and a support for carrying the coil in an orientation suitable for introducing eddy currents into material directly beneath a raised-head fastener.

RNA-Targeting CAS9 System for Controlling Viruses

Featured Opportunity • CRISPR Cas9 (Clustered Regularly Interspaced Short Palindromic Repeats associated protein 9) is a protein that plays an important role in immunological defense of bacteria against DNA viruses. A CRISPR-Cas based system can be used to target nucleic acid sequences. Cas9 is used frequently in genetic engineering. The protein functions by...

Robotic hand and fingers

Patent • #9,669,551. Technologies pertaining to a robotic hand are described herein. The robotic hand includes one or more fingers releasably attached to a robotic hand frame. The fingers can abduct and adduct as well as flex and tense. The fingers are releasably attached to the frame by magnets that allow for...
Results 1876–1900 of 2,476