Patents by Inventor Michael Shur

Michael Shur has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Normally-off field effect transistor
    Patent number: 9887267
    Abstract: A normally-off transistor with a high operating voltage is provided. The transistor can include a barrier above the channel and an additional barrier layer located below the channel. A source electrode and a drain electrode are connected to the channel and a gate electrode is connected to the additional barrier layer located below the channel. The bandgap for each of the barrier layers can be larger than the bandgap for the channel. A polarization charge induced at the interface between the additional barrier layer below the channel and the channel depletes the channel. A voltage can be applied to the bottom barrier to induce free carriers into the channel and turn the channel on.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: February 6, 2018
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Grigory Simin, Michael Shur
  • Ultraviolet-Based Mildew Control
    Publication number: 20180028700
    Abstract: A solution for controlling mildew in a cultivated area is described. The solution can include a set of ultraviolet sources that are configured to emit ultraviolet radiation in an ultraviolet range of approximately 260 nanometers to approximately 310 nanometers to harm mildew present on a plant or ground surface. A set of sensors can be utilized to acquire plant data for at least one plant surface of a plant, which can be processed to determine a presence of mildew on the at least one plant surface. Additional features can be included to further affect the growth environment for the plant. A feedback process can be implemented to improve one or more aspects of the growth environment.
    Type: Application
    Filed: July 25, 2017
    Publication date: February 1, 2018
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Alexander Dobrinsky, Michael Shur, Arthur Peter Barber, III, Maxim S. Shatalov
  • Ultraviolet system for disinfection
    Patent number: 9878061
    Abstract: Ultraviolet radiation is directed within an area. The target wavelength ranges and/or target intensity ranges of the ultraviolet radiation sources can correspond to at least one of a plurality of selectable operating configurations including a sterilization operating configuration and a preservation operating configuration.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 30, 2018
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Michael Shur, Maxim S. Shatalov, Timothy James Bettles, Yuri Bilenko, Alexander Dobrinsky, Remigijus Gaska
  • Ultraviolet Reflective Rough Adhesive Contact
    Publication number: 20180026157
    Abstract: A device including a first semiconductor layer and a contact to the first semiconductor layer is disclosed. An interface between the first semiconductor layer and the contact includes a first roughness profile having a characteristic height and a characteristic width. The characteristic height can correspond to an average vertical distance between crests and adjacent valleys in the first roughness profile. The characteristic width can correspond to an average lateral distance between the crests and adjacent valleys in the first roughness profile.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 25, 2018
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Remigijus Gaska, Maxim S. Shatalov, Alexander Dobrinsky, Jinwei Yang, Michael Shur, Grigory Simin
  • Ultraviolet-Based Bathroom Surface Sanitization
    Publication number: 20180021465
    Abstract: A solution for cleaning and/or sterilizing one or more surfaces in a bathroom is provided. The sterilization can be performed using ultraviolet sources, which can emit ultraviolet radiation directed onto the surface(s). The cleaning can be performed using a fluid, such as water, that is flowed over the surface(s). The surface(s) can include at least a seat of a toilet and/or other surfaces associated with the toilet.
    Type: Application
    Filed: September 11, 2017
    Publication date: January 25, 2018
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • Semiconductor structure with stress-reducing buffer structure
    Patent number: 9876140
    Abstract: A semiconductor structure comprising a buffer structure and a set of semiconductor layers formed adjacent to a first side of the buffer structure is provided. The buffer structure can have an effective lattice constant and a thickness such that an overall stress in the set of semiconductor layers at room temperature is compressive and is in a range between approximately 0.1 GPa and 2.0 GPa. The buffer structure can be grown using a set of growth parameters selected to achieve the target effective lattice constant a, control stresses present during growth of the buffer structure, and/or control stresses present after the semiconductor structure has cooled.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: January 23, 2018
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Maxim S. Shatalov, Jinwei Yang, Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • P-type contact to semiconductor heterostructure
    Patent number: 9859461
    Abstract: A contact to a semiconductor heterostructure is described. In one embodiment, there is an n-type semiconductor contact layer. A light generating structure formed over the n-type semiconductor contact layer has a set of quantum wells and barriers configured to emit or absorb target radiation. An ultraviolet transparent semiconductor layer having a non-uniform thickness is formed over the light generating structure. A p-type contact semiconductor layer having a non-uniform thickness is formed over the ultraviolet transparent semiconductor layer.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: January 2, 2018
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Michael Shur, Alexander Dobrinsky
  • Diffusive light illuminator
    Patent number: 9855352
    Abstract: A diffusive illuminator is provided. The diffusive illuminator includes a set of light sources and a light guiding structure including a plurality of layers. At least some of the layers can be formed of a fluoropolymer and at least one layer can be formed of a transparent fluid. The light guiding structure also includes an emission surface through which diffused light exits. The light guiding structure can further include diffusive elements associated with at least one of the plurality of layers. Each diffusive element can diffuse the light to within forty percent of Lambertian distribution. The diffusive elements can be arranged based on a desired uniformity of the diffused light at a target distance corresponding to a surface to be illuminated. The diffusive illuminator can emit ultraviolet light, and can be implemented as part of a disinfection system.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 2, 2018
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • Ultraviolet Transparent Enclosure
    Publication number: 20170369335
    Abstract: A solution for disinfecting a fluid, colloid, mixture, and/or the like using ultraviolet radiation is provided. An ultraviolet transparent enclosure can include an inlet and an outlet for a flow of media to be disinfected. The ultraviolet transparent enclosure includes a material that is configured to prevent biofouling within the ultraviolet transparent enclosure. A set of ultraviolet radiation sources are located adjacent to the ultraviolet transparent enclosure and are configured to generate ultraviolet radiation towards the ultraviolet transparent enclosure.
    Type: Application
    Filed: July 28, 2017
    Publication date: December 28, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Saulius Smetona, Timothy James Bettles, Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • Semiconductor Layer Including Compositional Inhomogeneities
    Publication number: 20170373222
    Abstract: A device comprising a semiconductor layer including a plurality of compositional inhomogeneous regions is provided. The difference between an average band gap for the plurality of compositional inhomogeneous regions and an average band gap for a remaining portion of the semiconductor layer can be at least thermal energy. Additionally, a characteristic size of the plurality of compositional inhomogeneous regions can be smaller than an inverse of a dislocation density for the semiconductor layer.
    Type: Application
    Filed: August 28, 2017
    Publication date: December 28, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Michael Shur, Rakesh Jain, Maxim S. Shatalov, Alexander Dobrinsky, Jinwei Yang, Remigijus Gaska, Mikhail Gaevski
  • Storage Device Including Ultraviolet Illumination
    Publication number: 20170368215
    Abstract: Ultraviolet radiation is directed within an area. Items located within the area and/or one or more conditions of the area are monitored over a period of time. Based on the monitoring, ultraviolet radiation sources are controlled by adjusting a direction, an intensity, a pattern, and/or a spectral power of the ultraviolet radiation generated by the ultraviolet radiation source. Adjustments to the ultraviolet radiation source(s) can correspond to one of a plurality of selectable operating configurations including a storage life preservation operating configuration, a disinfection operating configuration, and an ethylene decomposition operating configuration.
    Type: Application
    Filed: September 11, 2017
    Publication date: December 28, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Maxim S. Shatalov, Timothy James Bettles, Alexander Dobrinsky, Remigijus Gaska, Michael Shur
  • Device with Inverted Large Scale Light Extraction Structures
    Publication number: 20170373224
    Abstract: An interface including roughness components for improving the propagation of radiation through the interface is provided. The interface includes a first profiled surface of a first layer comprising a set of large roughness components providing a first variation of the first profiled surface having a first characteristic scale and a second profiled surface of a second layer comprising a set of small roughness components providing a second variation of the second profiled surface having a second characteristic scale. The first characteristic scale is approximately an order of magnitude larger than the second characteristic scale. The surfaces can be bonded together using a bonding material, and a filler material also can be present in the interface.
    Type: Application
    Filed: August 21, 2017
    Publication date: December 28, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Maxim S. Shatalov, Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • Flexible ultraviolet device
    Patent number: 9844608
    Abstract: A solution in which an ultraviolet radiation source is mounted on a flexible substrate is provided. The flexible substrate is capable of having a deformation curvature of at least 0.1 inverse meters. The flexible substrate may be incorporated within an existing enclosure or included in the enclosure. The flexible substrate can be utilized as part of a solution for disinfecting one or more items located within the enclosure. In this case, while the items are within the enclosure, ultraviolet radiation is generated and directed at the items. Wiring for the ultraviolet radiation source can be embedded within the flexible substrate and the flexible substrate can have at least one of: a wave-guiding structure, an ultraviolet absorbing surface, or an ultraviolet reflective surface. A control system can be utilized to manage generation of the ultraviolet radiation within the enclosure.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: December 19, 2017
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Timothy James Bettles, Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • Semiconductor Heterostructure With At Least One Stress Control Layer
    Publication number: 20170352776
    Abstract: A semiconductor heterostructure for an optoelectronic device is disclosed. The semiconductor heterostructure includes at least one stress control layer within a plurality of semiconductor layers used in the optoelectronic device. Each stress control layer includes stress control regions separated from adjacent stress control regions by a predetermined spacing. The stress control layer induces one of a tensile stress and a compressive stress in an adjacent semiconductor layer.
    Type: Application
    Filed: May 23, 2017
    Publication date: December 7, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Michael Shur, Alexander Dobrinsky, Maxim S. Shatalov
  • Ultraviolet illuminator
    Patent number: 9833526
    Abstract: A solution for disinfecting an area using ultraviolet radiation is provided. The solution can include an enclosure including at least one ultraviolet transparent window and a set of ultraviolet radiation sources located adjacent to the at least one ultraviolet transparent window. The set of ultraviolet radiation sources can be configured to generate ultraviolet radiation directed through the at least one ultraviolet transparent window. An input unit can be located on the enclosure and configured to generate an electrical signal in response to pressure applied to the enclosure. A control unit can be configured to manage the ultraviolet radiation by monitoring the electrical signal generated by the input unit and controlling, based on the monitoring, the ultraviolet radiation generated by the set of ultraviolet radiation sources.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: December 5, 2017
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Igor Agafonov, Alexander Dobrinsky, Michael Shur, Remigijus Gaska, Saulius Smetona
  • Non-Uniform Multiple Quantum Well Structure
    Publication number: 20170345968
    Abstract: A light emitting heterostructure including one or more fine structure regions is provided. The light emitting heterostructure can include a plurality of barriers alternating with a plurality of quantum wells. One or more of the barriers and/or quantum wells includes a fine structure region. The fine structure region includes a plurality of subscale features arranged in at least one of: a growth or a lateral direction.
    Type: Application
    Filed: July 28, 2017
    Publication date: November 30, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Wenhong Sun, Alexander Dobrinsky, Maxim S. Shatalov, Jinwei Yang, Michael Shur, Remigijus Gaska
  • Multi Wave Sterilization System
    Publication number: 20170340761
    Abstract: Ultraviolet radiation is directed within an area. The target wavelength ranges and/or target intensity ranges of the ultraviolet radiation sources can correspond to at least one of a plurality of selectable operating configurations including a virus destruction operating configuration and a bacteria disinfection operating configuration. Each configuration can include a unique combination of the target wavelength range and target intensity range.
    Type: Application
    Filed: June 13, 2017
    Publication date: November 30, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Michael Shur, Maxim S. Shatalov, Timothy James Bettles, Yuri Bilenko, Saulius Smetona, Alexander Dobrinsky, Remigijus Gaska
  • Epitaxy technique for growing semiconductor compounds
    Patent number: 9831382
    Abstract: A solution for fabricating a semiconductor structure is provided. The semiconductor structure includes a plurality of semiconductor layers grown over a substrate using a set of epitaxial growth periods. During each epitaxial growth period, a first semiconductor layer having one of: a tensile stress or a compressive stress is grown followed by growth of a second semiconductor layer having the other of: the tensile stress or the compressive stress directly on the first semiconductor layer.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: November 28, 2017
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Rakesh Jain, Wenhong Sun, Jinwei Yang, Maxim S. Shatalov, Alexander Dobrinsky, Remigijus Gaska, Michael Shur
  • Semiconductor Heterostructure with Stress Management
    Publication number: 20170338371
    Abstract: A heterostructure for use in fabricating an optoelectronic device is provided. The heterostructure includes a layer, such as an n-type contact or cladding layer, that includes thin sub-layers inserted therein. The thin sub-layers can be spaced throughout the layer and separated by intervening sub-layers fabricated of the material for the layer. The thin sub-layers can have a distinct composition from the intervening sub-layers, which alters stresses present during growth of the heterostructure.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 23, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Daniel Billingsley, Robert M. Kennedy, Wenhong Sun, Rakesh Jain, Maxim S. Shatalov, Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • Storage Device Including Target UV Illumination Ranges
    Publication number: 20170333583
    Abstract: Ultraviolet radiation is directed within an area at target wavelengths, target intensities, a target temporal distribution, and/or a target spatial distribution. The target attribute(s) of the ultraviolet radiation can correspond to at least one of a plurality of selectable operating configurations including a storage life preservation operating configuration, a disinfection operating configuration, an ethylene decomposition operating configuration, and/or the like.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Applicant: Sensor Electronic Technology, Inc.
    Inventors: Michael Shur, Maxim S. Shatalov, Timothy James Bettles, Yuri Bilenko, Saulius Smetona, Alexander Dobrinsky, Remigijus Gaska