Patents by Inventor Kishor Gadkaree

Kishor Gadkaree 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: 20070277489
    Abstract: A ceramic honeycomb product comprising a thin-walled ceramic honeycomb structure incorporating a plurality of parallel channels bounded by thin channel walls traversing the body from a first end face to a second end face thereof; and a composite coating disposed on at least one end face of the structure comprising a powder of an abrasion-resistant ceramic dispersed in a dried siliceous matrix.
    Type: Application
    Filed: August 26, 2005
    Publication date: December 6, 2007
    Inventors: Kishor Gadkaree, Susan Lauderdale, Joseph Mach, Deborah Shanley
  • Publication number: 20070265161
    Abstract: Disclosed herein, without limitation, are activated carbon honeycomb catalyst beds for removing mercury and other toxic metals from flue gas of a coal combustion system. The activated carbon honeycomb can for example removal greater than 90% mercury from flue gas with a simple design and without adding material to the flue gas. Also disclosed herein, and without limitation, are methods for manufacturing the disclosed honeycomb catalyst beds.
    Type: Application
    Filed: May 11, 2006
    Publication date: November 15, 2007
    Inventors: Kishor Gadkaree, Youchun Shi
  • Publication number: 20070261557
    Abstract: Disclosed herein, without limitation, are activated carbon honeycomb catalyst beds and systems for removing mercury and other toxic metals from a process stream, i.e, from flue gas of a coal combustion system. The activated carbon honeycomb can for example remove greater than 90% mercury from flue gas with a simple design and without adding material to the flue gas. Also disclosed herein, and without limitation, are methods for manufacturing and using the disclosed honeycomb catalyst beds and systems.
    Type: Application
    Filed: May 11, 2006
    Publication date: November 15, 2007
    Inventors: Kishor Gadkaree, Lin He, Youchun Shi
  • Publication number: 20070264179
    Abstract: Disclosed are methods and systems for regenerating mercury loaded activated carbon honeycomb catalyst beds. In one embodiment, the regeneration methods and systems disclosed herein can enable a more efficient and economical operation of a honeycomb based mercury removal system by, for example, allowing the reuse of a particular substrate multiple times.
    Type: Application
    Filed: May 11, 2006
    Publication date: November 15, 2007
    Inventors: Kishor Gadkaree, Youchun Shi
  • Publication number: 20070207593
    Abstract: Semiconductor-on-insulator (SOI) structures, including large area SOI structures, are provided which have one or more regions composed of a layer (15) of a substantially single-crystal semiconductor (e.g., doped silicon) attached to a support substrate (20) composed of an oxide glass or an oxide glass-ceramic. The oxide glass or oxide glass-ceramic is preferably transparent and preferably has a strain point of less than 1000° C., a resistivity at 250° C. that is less than or equal to 1016 ?-cm, and contains positive ions (e.g., alkali or alkaline-earth ions) which can move within the glass or glass-ceramic in response to an electric field at elevated temperatures (e.g., 300-1000° C.). The bond strength between the semiconductor layer (15) and the support substrate (20) is preferably at least 8 joules/meter2. The semiconductor layer (15) can include a hybrid region (16) in which the semiconductor material has reacted with oxygen ions originating from the glass or glass-ceramic.
    Type: Application
    Filed: January 5, 2007
    Publication date: September 6, 2007
    Inventors: James Couillard, Kishor Gadkaree, Joseph Mach
  • Publication number: 20070166947
    Abstract: A semiconductor-on-insulator structure including first and second layers which are attached to one another either directly or through one or more intermediate layers. The first layer includes a substantially single crystal germanium semiconductor material while the second layer comprises a glass or a glass-ceramic material having a linear coefficient thermal of expansion (25-300° C.) which is within the range of +/?20×10?7/° C. of the linear coefficient thermal of expansion of the germanium first layer.
    Type: Application
    Filed: May 1, 2006
    Publication date: July 19, 2007
    Inventors: Kishor Gadkaree, Paul Danielson, Matthew Dejneka, Josef Lapp, Linda Pinckney
  • Publication number: 20070141802
    Abstract: Methods and apparatus for producing a semiconductor on glass (SOG) structure include: subjecting an implantation surface of a donor semiconductor wafer to multiple ion implantation processes to create an exfoliation layer in the donor semiconductor wafer, wherein at least one of: (i) the type of ion, (ii) the dose, and/or (iii) the implantation energy of at least two of the multiple ion implantation processes differ from one another.
    Type: Application
    Filed: December 19, 2005
    Publication date: June 21, 2007
    Inventor: Kishor Gadkaree
  • Publication number: 20070117354
    Abstract: Methods and apparatus provide for contacting respective first surfaces of a plurality of donor semiconductor wafers with a glass substrate; bonding the first surfaces of the plurality of donor semiconductor wafers to the glass substrate using electrolysis; separating the plurality of donor semiconductor wafers from the glass substrate leaving respective exfoliation layers bonded to the glass substrate; and depositing a further semiconductor layer on exposed surfaces of the exfoliation layers to augment a thickness of the exfoliation layers.
    Type: Application
    Filed: September 8, 2006
    Publication date: May 24, 2007
    Inventors: Kishor Gadkaree, Alexandre Mayolet
  • Publication number: 20070048968
    Abstract: Methods and apparatus provide for: a silicon on insulator structure, comprising: a glass substrate; a layer of semiconductor material; and a deposited barrier layer of between about 60 nm to about 600 nm disposed between the glass substrate and the semiconductor material, where the glass substrate and semiconductor material are bonded together via electrolysis.
    Type: Application
    Filed: August 26, 2005
    Publication date: March 1, 2007
    Inventors: James Couillard, Kishor Gadkaree
  • Publication number: 20060240275
    Abstract: Processes for transferring a semiconductor material to a polymer substrate to provide flexible semiconductor material include implanting ions to a predetermined depth in a semiconductor substrate, heat-treating the ion-implanted semiconductor substrate for a period of time and at a temperature effective to cause defect formation and enlargement of the implanted ion defect, adhering the ion-implanted, heat-treated substrate to a polymer substrate, and separating a semiconductor film such as a single crystal silicon film from the semiconductor substrate; and devices having single crystal silicon films disposed directly or indirectly on polymer films.
    Type: Application
    Filed: March 29, 2006
    Publication date: October 26, 2006
    Inventor: Kishor Gadkaree
  • Publication number: 20060234477
    Abstract: Methods and apparatus provide for: a semiconductor wafer; at least one porous layer in the semiconductor wafer; an epitaxial semiconductor layer directly or indirectly on the porous layer; and a glass substrate bonded to the epitaxial semiconductor layer via electrolysis.
    Type: Application
    Filed: June 23, 2005
    Publication date: October 19, 2006
    Inventor: Kishor Gadkaree
  • Publication number: 20060178258
    Abstract: The channel-plugging of porous ceramic honeycombs to provide wall flow filter bodies therefrom is carried out using water-based cements comprising ceramic powders and soluble alkali metal silicates; the cements form durable plugs that are resistant to thermal and chemical damage upon drying and without firing.
    Type: Application
    Filed: April 4, 2006
    Publication date: August 10, 2006
    Inventors: Kishor Gadkaree, Joseph Mach
  • Publication number: 20060038228
    Abstract: The present invention relates to semiconductor-on-insulator structures having strained semiconductor layers. According to one embodiment of the invention, a semiconductor-on-insulator structure has a first layer including a semiconductor material, attached to a second layer including a glass or glass-ceramic, with the strain point of the glass or glass-ceramic equal to or greater than about 800° C.
    Type: Application
    Filed: August 17, 2005
    Publication date: February 23, 2006
    Inventors: Bruce Aitken, Matthew Dejneka, Kishor Gadkaree, Linda Pinckney
  • Publication number: 20060038227
    Abstract: The present invention relates to semiconductor-on-insulator structures having strained semiconductor layers. According to one embodiment of the invention, a semiconductor-on-insulator structure has a first layer including a semiconductor material, attached to a second layer including a glass or glass-ceramic, with the CTEs of the semiconductor and glass or glass-ceramic selected such that the first layer is under tensile strain. The present invention also relates to methods for making strained semiconductor-on-insulator layers.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 23, 2006
    Inventors: Bruce Aitken, Kishor Gadkaree, Matthew Dejneka, Linda Pinckney
  • Publication number: 20050263064
    Abstract: The invention is directed to a process of purifying metal fluoride materials used to make metal fluoride single crystals suitable for making optical elements used in the transmission of wavelengths below 200 nm, and in particular to a process of purifying such materials by the use of a halogen containing plasma to convert metal oxygenates contaminating the feedstocks used in the preparation of the crystals to metal fluorides. The invention also is directed to a process of growing a metal fluoride single crystal using a crystal growth furnace to carry out the foregoing purification procedure followed by the steps of melting the purified material and cooling it using s selected time and temperature cycle to from a metal fluoride single crystal.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 1, 2005
    Inventors: Robert Bellman, Dana Bookbinder, Kishor Gadkaree, Cynthia Giroux
  • Publication number: 20050266658
    Abstract: Semiconductor-on-insulator (SOI) structures, including large area SOI structures, are provided which have one or more regions composed of a layer (15) of a substantially single-crystal semiconductor (e.g., doped silicon) attached to a support substrate (20) composed of an oxide glass or an oxide glass-ceramic. The oxide glass or oxide glass-ceramic is preferably transparent and preferably has a strain point of less than 1000° C., a resistivity at 250° C. that is less than or equal to 1016 ?-cm, and contains positive ions (e.g., alkali or alkaline-earth ions) which can move within the glass or glass-ceramic in response to an electric field at elevated temperatures (e.g., 300-1000° C.). The bond strength between the semiconductor layer (15) and the support substrate (20) is preferably at least 8 joules/meter2. The semiconductor layer (15) can include a hybrid region (16) in which the semiconductor material has reacted with oxygen ions originating from the glass or glass-ceramic.
    Type: Application
    Filed: July 8, 2005
    Publication date: December 1, 2005
    Inventors: James Couillard, Kishor Gadkaree, Joseph Mach
  • Publication number: 20050255670
    Abstract: A method of forming a semiconductor on glass structure includes: establishing an exfoliation layer on a semiconductor wafer; contacting the exfoliation layer of the semiconductor wafer to a glass substrate; applying pressure, temperature and voltage to the semiconductor wafer and the glass substrate, without a vacuum atmosphere, such that a bond is established therebetween via electrolysis; and applying stress such that the exfoliation layer separates from the semiconductor wafer and remains bonded to the glass substrate.
    Type: Application
    Filed: June 10, 2005
    Publication date: November 17, 2005
    Inventors: James Couillard, Kishor Gadkaree, Joseph Mach
  • Publication number: 20050103232
    Abstract: The channel-plugging of porous ceramic honeycombs to provide wall flow filter bodies therefrom is carried out using water-based cements comprising ceramic powders and soluble alkali metal silicates; the cements form durable plugs that are resistant to thermal and chemical damage upon drying and without firing.
    Type: Application
    Filed: November 19, 2003
    Publication date: May 19, 2005
    Inventors: Kishor Gadkaree, Joseph Mach
  • Publication number: 20050012099
    Abstract: A method of forming crystalline or polycrystalline layers includes providing a substrate and a patterning over the substrate. The method also includes providing nucleation material and forming the crystalline layer over the nucleation material. The crystalline material disposed over the substrate may be monocrystalline or polycrystalline.
    Type: Application
    Filed: May 21, 2004
    Publication date: January 20, 2005
    Inventors: James Couillard, Kishor Gadkaree, Youchun Shi