Patents by Inventor Thomas Miebach

Thomas Miebach 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).

  • Publication number: 20210047751
    Abstract: In various embodiments, aluminum nitride single crystals have large crystal augmentation parameters and may therefore be suitable for the fabrication of numerous, large single-crystal aluminum nitride substrates having high crystalline quality. The aluminum nitride single crystals may have large boule masses and volumes.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventors: Robert T. BONDOKOV, Thomas MIEBACH, Jianfeng CHEN, Takashi SUZUKI, Leo J. SCHOWALTER
  • Publication number: 20210047749
    Abstract: In various embodiments, aluminum nitride single crystals are rapidly diameter-expanded during growth by physical vapor transport. High rates of diameter expansion during growth may be enabled by the use of internal thermal shields and directed plasma-modification of the growth environment to augment radial thermal gradients and increase radial growth rates.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventors: Robert T. BONDOKOV, Thomas MIEBACH, Jianfeng CHEN, Takashi SUZUKI, Leo J. SCHOWALTER
  • Publication number: 20190382919
    Abstract: In various embodiments, single-crystal aluminum nitride boules and substrates have low Urbach energies and/or absorption coefficients at deep-ultraviolet wavelengths. The single-crystal aluminum nitride may function as a platform for the fabrication of light-emitting devices such as light-emitting diodes and lasers.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 19, 2019
    Inventors: Robert T. BONDOKOV, James R. GRANDUSKY, Jianfeng CHEN, Shichao WANG, Toru KIMURA, Thomas MIEBACH, Keisuke YAMAOKA, Leo J. SCHOWALTER
  • Publication number: 20190382916
    Abstract: In various embodiments, single-crystal aluminum nitride boules and substrates are formed from the vapor phase with controlled levels of impurities such as carbon. Single-crystal aluminum nitride may be heat treated via quasi-isothermal annealing and controlled cooling to improve its ultraviolet absorption coefficient and/or Urbach energy.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 19, 2019
    Inventors: Robert T. BONDOKOV, James R. GRANDUSKY, Jianfeng CHEN, Shichao WANG, Toru KIMURA, Thomas MIEBACH, Keisuke YAMAOKA, Leo J. SCHOWALTER
  • Patent number: 9970411
    Abstract: A UV-IR combination curing system and method for manufacture and repair of composite parts, such as for use in wind blade manufacture and repair. The system and method utilize UV and IR dual radiation sources to cure glass fiber reinforced laminates containing a photo initiator. The UV and IR dual radiation sources can be configured as discrete stand-alone UV and IR lamps used in a side by side configuration, a plurality of UV lamps with thermal IR radiation, a combined UV/IR lamp, or other forms of light sources providing both UV and IR radiation. To achieve high glass transition and complete curing of thick laminates, the IR radiation source is initially turned on to heat the laminate to close to 40° C.-100° C. before the UV radiation source is turned on. The IR radiation source can be turned off after UV radiation source is activated.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: May 15, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xiaomei Fang, Thomas Miebach, David Simon, Jordan Philip Seeger
  • Patent number: 8992200
    Abstract: A resin infusion apparatus and system, layup system comprising the same, and methods of using these are provided. The resin infusion apparatus comprises a hollow cylinder having a plurality of pores perforating an arcuate surface thereof. The interior of the cylinder is provided with one or more flow restrictors that assist in controlling the flow out of the pores of the cylinder. Laminates made of prepregs prepared using the apparatus and/or system may thus be essentially free of voids.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: March 31, 2015
    Assignee: General Electric Company
    Inventors: Stefaan Guido Van Nieuwenhove, Thomas Koerwien, Shu Ching Quek, Thomas Miebach
  • Publication number: 20130240118
    Abstract: A UV-IR combination curing system and method for manufacture and repair of composite parts, such as for use in wind blade manufacture and repair. The system and method utilize UV and IR dual radiation sources to cure glass fiber reinforced laminates containing a photo initiator. The UV and IR dual radiation sources can be configured as discrete stand-alone UV and IR lamps used in a side by side configuration, a plurality of UV lamps with thermal IR radiation, a combined UV/IR lamp, or other forms of light sources providing both UV and IR radiation. To achieve high glass transition and complete curing of thick laminates, the IR radiation source is initially turned on to heat the laminate to close to 40° C.-100° C. before the UV radiation source is turned on. The IR radiation source can be turned off after UV radiation source is activated.
    Type: Application
    Filed: February 19, 2013
    Publication date: September 19, 2013
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Xiaomei Fang, Thomas Miebach, David Simon, Jordan Philip Seeger
  • Publication number: 20130233374
    Abstract: A monolithically integrated cadmium telluride (CdTe) photovoltaic (PV) module includes a first electrically conductive layer and an insulating layer. The first electrically conductive layer is disposed below the insulating layer. The PV module further includes a back contact metal layer and a CdTe absorber layer. The back contact metal layer is disposed between the insulating layer and the CdTe absorber layer. The PV module further includes a window layer and a second electrically conductive layer. The window layer is disposed between the CdTe absorber layer and the second electrically conductive layer. At least one first trench extends through the back contact metal layer, at least one second trench extends through the absorber and window layers, and at least one third trench extends through the second electrically conductive layer. A method for monolithically integrating CdTe PV cells is also provided.
    Type: Application
    Filed: April 19, 2013
    Publication date: September 12, 2013
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Bastiaan Arie Korevaar, James Neil Johnson, Holly Ann Blaydes, James Edward Pickett, Thomas Miebach
  • Patent number: 8232801
    Abstract: Structural health monitoring using nuclear quadrupole resonance is disclosed. For example, in one embodiment, a method of monitoring stress is provided. The method includes scanning a composite using an NQR spectrometer, the composite having a polymer matrix and a microcrystalline material disposed in the matrix. The microcrystalline material includes molecules having nuclei with respective nuclear quadrupole moments. The method also includes determining microscopic strain distribution indices of the composite from the NQR scans to quantify stress and identify precursors to failure in the composite.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: July 31, 2012
    Assignee: General Electric Company
    Inventors: Nilesh Tralshawala, Thomas Alan Early, William Thomas Dixon, Waseem Ibrahim Faidi, Thomas Miebach
  • Publication number: 20120138223
    Abstract: A UV-IR combination curing system and method for manufacture and repair of composite parts, such as for use in wind blade manufacture and repair. The system and method utilize UV and IR dual radiation sources to cure glass fiber reinforced laminates containing a photo initiator. The UV and IR dual radiation sources can be configured as discrete stand-alone UV and IR lamps used in a side by side configuration, a plurality of UV lamps with thermal IR radiation, a combined UV/IR lamp, or other forms of light sources providing both UV and IR radiation. To achieve high glass transition and complete curing of thick laminates, the IR radiation source is initially turned on to heat the laminate to close to 40° C-100° C. before the UV radiation source is turned on. The IR radiation source can be turned off after UV radiation source is activated.
    Type: Application
    Filed: September 29, 2011
    Publication date: June 7, 2012
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Xiaomei Fang, Thomas Miebach, David Simon, Jordan Philip Seeger
  • Publication number: 20120025827
    Abstract: Structural health monitoring using nuclear quadrupole resonance is disclosed. For example, in one embodiment, a method of monitoring stress is provided. The method includes scanning a composite using an NQR spectrometer, the composite having a polymer matrix and a microcrystalline material disposed in the matrix. The microcrystalline material includes molecules having nuclei with respective nuclear quadrupole moments. The method also includes determining microscopic strain distribution indices of the composite from the NQR scans to quantify stress and identify precursors to failure in the composite.
    Type: Application
    Filed: June 30, 2011
    Publication date: February 2, 2012
    Applicant: General Electric Company
    Inventors: Nilesh Tralshawala, Thomas Alan Early, William Thomas Dixon, Waseem Ibrahim Faidi, Thomas Miebach
  • Patent number: 7998303
    Abstract: A method of assembling a wind turbine blade comprises providing a first blade segment comprising at least two first spar cap segments; providing a second blade segment comprising at least two second spar cap segments; inserting the second blade segment into the first blade segment wherein a spar cap cavity is formed between each set of corresponding first and second spar cap segments; injecting an adhesive into the spar cap cavities to bond the blade segments together, wherein a scarf joint is formed between each set of corresponding first and second spar cap segments.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: August 16, 2011
    Assignee: General Electric Company
    Inventors: Peggy Lynn Baehmann, Thomas Miebach, Eric John Telfeyan, Wendy Wen-Ling Lin, Chandra Sekher Yerramalli, Shu Ching Quek
  • Patent number: 7976275
    Abstract: A rotor blade assembly having an access window and methods for assembling a rotor blade are disclosed. The rotor blade assembly may generally include a first shell component and a second shell component. The first shell component may be secured to the second shell component. Additionally, an access region may be defined in the first shell component and/or the second shell component. The access region may generally be configured such that an access window is defined in the rotor blade assembly. The access window may be configured to provide access to the interior of a portion of the rotor blade assembly.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: July 12, 2011
    Assignee: General Electric Company
    Inventors: Thomas Miebach, Shu Ching Quek, Waseem Ibrahim Faidi, Chandra Sekher Yerramalli, Peggy Lynn Baehmann, Peter James Fritz
  • Publication number: 20110155849
    Abstract: A resin infusion apparatus and system, layup system comprising the same, and methods of using these are provided. The resin infusion apparatus comprises a hollow cylinder having a plurality of pores perforating an arcuate surface thereof. The interior of the cylinder is provided with one or more flow restrictors that assist in controlling the flow out of the pores of the cylinder. Laminates made of prepregs prepared using the apparatus and/or system may thus be essentially free of voids.
    Type: Application
    Filed: December 29, 2009
    Publication date: June 30, 2011
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Stefaan Guido Van Nieuwenhove, Thomas Koerwien, Shu Ching Quek, Thomas Miebach
  • Publication number: 20110142667
    Abstract: A rotor blade assembly having an access window and methods for assembling a rotor blade are disclosed. The rotor blade assembly may generally include a first shell component and a second shell component. The first shell component may be secured to the second shell component. Additionally, an access region may be defined in the first shell component and/or the second shell component. The access region may generally be configured such that an access window is defined in the rotor blade assembly. The access window may be configured to provide access to the interior of a portion of the rotor blade assembly.
    Type: Application
    Filed: August 30, 2010
    Publication date: June 16, 2011
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Thomas Miebach, Shu Ching Quek, Waseem Ibrahim Faidi, Chandra Sekher Yerramalli, Peggy Lynn Baehmann, Peter James Fritz
  • Publication number: 20100236607
    Abstract: A monolithically integrated cadmium telluride (CdTe) photovoltaic (PV) module includes a first electrically conductive layer and an insulating layer. The first electrically conductive layer is disposed below the insulating layer. The PV module further includes a back contact metal layer and a CdTe absorber layer. The back contact metal layer is disposed between the insulating layer and the CdTe absorber layer. The PV module further includes a window layer and a second electrically conductive layer. The window layer is disposed between the CdTe absorber layer and the second electrically conductive layer. At least one first trench extends through the back contact metal layer, at least one second trench extends through the absorber and window layers, and at least one third trench extends through the second electrically conductive layer. A method for monolithically integrating CdTe PV cells is also provided.
    Type: Application
    Filed: May 28, 2010
    Publication date: September 23, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Bastiaan Arie Korevaar, James Neil Johnson, Holly Ann Blaydes, James Edward Pickett, Thomas Miebach
  • Publication number: 20100132884
    Abstract: A method of assembling a wind turbine blade comprises providing a first blade segment comprising at least two first spar cap segments; providing a second blade segment comprising at least two second spar cap segments; inserting the second blade segment into the first blade segment wherein a spar cap cavity is formed between each set of corresponding first and second spar cap segments; injecting an adhesive into the spar cap cavities to bond the blade segments together, wherein a scarf joint is formed between each set of corresponding first and second spar cap segments.
    Type: Application
    Filed: May 28, 2009
    Publication date: June 3, 2010
    Applicant: General Electric Company
    Inventors: Peggy Lynn Baehmann, Thomas Miebach, Eric John Telfeyan, Wendy Wen-Ling Lin, Chandra Sekher Yerramalli, Shu Ching Quek
  • Patent number: 7703413
    Abstract: Disclosed herein is an assembly for plasma generation comprising a cathode plate comprising a fixed cathode tip, the cathode tip being integral part of the cathode plate. The assembly further comprises at least one cascade plate, at least one separator plate disposed between the cathode plate and the cascade plate, an anode plate, and an inlet for a gas. The cathode plate, separator plate, cascade plate and anode plate are “electrically isolated” from one another, and the electrically isolated cathode plate, separator plate, and cascade plate define a plasma generation chamber. The cathode tip is disposed within the plasma generation chamber.
    Type: Grant
    Filed: June 28, 2004
    Date of Patent: April 27, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Thomas Miebach, Charles Dominic Iacovangelo, William Arthur Morrison
  • Publication number: 20090308454
    Abstract: Disclosed herein is an article comprising a metallic substrate; an insulating layer; the insulating layer being disposed on the metallic layer in an expanding thermal plasma; and a semiconductor layer; the semiconductor layer being disposed on the insulating layer. Disclosed herein too is a method comprising disposing an insulating layer on a metallic substrate; the insulating layer being in intimate contact with the metallic layer; wherein the insulating layer is derived from a metal-organic precursor, and wherein insulating layer is deposited in an expanding thermal plasma; and disposing a semiconductor layer on the insulating layer.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 17, 2009
    Applicant: GENERAL ELECTRIC COMPANY, A NEW YORK CORPORATION
    Inventors: Bastiaan Arie Korevaar, James Neil Johnson, Thomas Miebach, Holly Ann Blaydes, James Edward Pickett
  • Patent number: 7595097
    Abstract: A system to coat a substrate includes a deposition chamber maintained at sub-atmospheric pressure, one or more arrays containing two or more expanding thermal plasma sources associated with the deposition chamber, and at least one injector containing orifices for each array. The substrate is positioned in the deposition chamber and each expanding thermal plasma source produces a plasma jet with a central axis, while the injector injects vaporized reagents into the plasma to form a coating that is deposited on the substrate. The injector orifices are located within a specified distance from the expanding thermal plasma source to obtain generally a coating with generally uniform coating properties.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: September 29, 2009
    Assignee: Exatec, L.L.C.
    Inventors: Charles D. Iacovangelo, Thomas Miebach, Michael W. Mercedes, Steven M. Gasworth, Michael R. Haag