Patents by Inventor Steven M. George

Steven M. George 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).

  • Patent number: 6958174
    Abstract: The present invention provides a solid material comprising a solid substrate having a thin metal film and methods for producing the same. The method generally involves using a plurality self-limiting reactions to control the thickness of the metal film.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: October 25, 2005
    Assignee: Regents of the University of Colorado
    Inventors: Jason W. Klaus, Steven M. George
  • Patent number: 6913827
    Abstract: Particles have an ultrathin, conformal coating are made using atomic layer deposition methods. The base particles include ceramic and metallic materials. The coatings can also be ceramic or metal materials that can be deposited in a binary reaction sequence. The coated particles are useful as fillers for electronic packaging applications, for making ceramic or cermet parts, as supported catalysts, as well as other applications.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: July 5, 2005
    Assignee: The Regents of the University of Colorado
    Inventors: Steven M. George, John D. Ferguson, Alan W. Weimer, Jeffrey R. Wank
  • Patent number: 6818250
    Abstract: Silicon dioxide (SiO2) films are deposited at room temperature using a chemical vapor deposition (CVD) reaction catalyzed by ammonia or a Lewis base. The SiO2 film growth is accomplished through the reaction of water and certain silicon precursors. Examples of these reactions include the SiCl4+2H2O→SiO2+4HCl or Si(OR)4+2H2O→SiO2+4ROH reactions and catalyzed with ammonia (NH3) or other Lewis bases. The NH3 catalyst lowered the required temperature for SiO2 CVD from >900 K to 313-333 K and reduced the SiCl4 and H2O pressures required for efficient SiO2 CVD from several Torr to <500 mTorr.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: November 16, 2004
    Assignee: The Regents of the University of Colorado
    Inventors: Steven M. George, Jason W. Klaus
  • Publication number: 20040224087
    Abstract: Dental composite filler materials comprise particles coated via an atomic layer deposition (ALD) process. The coating material has a different composition than the core particle. The difference in composition permits fine control over the refractive index of the coated particles, allowing good matching tooth enamel and to the binder materials used in the composite.
    Type: Application
    Filed: February 6, 2004
    Publication date: November 11, 2004
    Inventors: Alan W. Weimer, Sotiris E. Pratsinis, Christos Angeletakis, Steven M. George
  • Publication number: 20040194691
    Abstract: Inorganic materials are deposited onto organic polymers using ALD methods. Ultrathin, conformal coatings of the inorganic materials can be made in this manner. The coated organic polymers can be used as barrier materials, as nanocomposites, as catalyst supports, in semiconductor applications, in coating applications as well as in other applications.
    Type: Application
    Filed: December 26, 2003
    Publication date: October 7, 2004
    Inventors: Steven M George, John D Ferguson, Alan W Weimer, Christopher A Wilson
  • Publication number: 20040198069
    Abstract: The present invention generally is a method for forming a high-k dielectric layer, comprising depositing a hafnium compound by atomic layer deposition to a substrate, comprising, delivering a hafnium precursor to a surface of the substrate, reacting the hafnium precursor and forming a hafnium containing layer to the surface, delivering a nitrogen precursor to the hafnium containing layer, forming at least one hafnium nitrogen bond and depositing the hafnium compound to the surface.
    Type: Application
    Filed: April 4, 2003
    Publication date: October 7, 2004
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Craig Metzner, Shreyas Kher, Yeong Kwan Kim, M. Noel Rocklein, Steven M. George
  • Publication number: 20040159830
    Abstract: So-called quantum tunneling varistors are made with a matrix of particles having a nonconductive coating that is deposited on core conductive particles using atomic layer deposition methods. The resulting coated particles have highly uniform, adherent coatings that allow easier production of good quality quantum tunneling varistor devices.
    Type: Application
    Filed: February 6, 2004
    Publication date: August 19, 2004
    Inventors: Alan W. Weimer, Steven M. George, Clinton Dutcher
  • Publication number: 20040121073
    Abstract: Particles have an ultrathin, conformal coating are made using atomic layer deposition methods. The base particles include ceramic and metallic materials. The coatings can also be ceramic or metal materials that can be deposited in a binary reaction sequence. The coated particles are useful as fillers for electronic packaging applications, for making ceramic or cermet parts, as supported catalysts, as well as other applications.
    Type: Application
    Filed: December 9, 2003
    Publication date: June 24, 2004
    Inventors: Steven M. George, John D. Ferguson, Alan W. Weimer, Jeffrey R. Wank
  • Patent number: 6713177
    Abstract: Particles have an ultrathin, conformal coating are made using atomic layer deposition methods. The base particles include ceramic and metallic materials. The coatings can also be ceramic or metal materials that can be deposited in a binary reaction sequence. The coated particles are useful as fillers for electronic packaging applications, for making ceramic or cermet parts, as supported catalysts, as well as other applications.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: March 30, 2004
    Assignee: Regents of the University of Colorado
    Inventors: Steven M. George, John D. Ferguson, Alan W. Weimer, Jeffrey R. Wank
  • Patent number: 6613383
    Abstract: Particles have an ultrathin, conformal coating are made using atomic layer deposition methods. The base particles include ceramic and metallic materials. The coatings can also be ceramic or metal materials that can be deposited in a binary reaction sequence. The coated particles are useful as fillers for electronic packaging applications, for making ceramic or cermet parts, as supported catalysts, as well as other applications.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: September 2, 2003
    Assignee: Regents of the University of Colorado
    Inventors: Steven M. George, John D. Ferguson, Alan W. Weimer
  • Publication number: 20030026989
    Abstract: Particles have an ultrathin, conformal coating are made using atomic layer deposition methods. The base particles include ceramic and metallic materials. The coatings can also be ceramic or metal materials that can be deposited in a binary reaction sequence. The coated particles are useful as fillers for electronic packaging applications, for making ceramic or cermet parts, as supported catalysts, as well as other applications.
    Type: Application
    Filed: July 16, 2002
    Publication date: February 6, 2003
    Inventors: Steven M. George, John D. Ferguson, Alan W. Weimer, Jeffrey R. Wank
  • Publication number: 20020018849
    Abstract: Silicon dioxide (SiO2) films are deposited at room temperature using a chemical vapor deposition (CVD) reaction catalyzed by ammonia or a Lewis base. The SiO2 film growth is accomplished through the reaction of water and certain silicon precursors. Examples of these reactions include the SiCl4+2H2O→SiO2+4HCl or Si(OR)4+2H2O→SiO2+4ROH reactions and catalyzed with ammonia (NH3) or other Lewis bases. The NH3 catalyst lowered the required temperature for SiO2 CVD from >900 K to 313-333 K and reduced the SiCl4 and H2O pressures required for efficient SiO2 CVD from several Torr to <500 mTorr.
    Type: Application
    Filed: June 29, 2001
    Publication date: February 14, 2002
    Inventors: Steven M. George, Jason W. Klaus
  • Patent number: 6090442
    Abstract: The present invention provides a method for growing atomic layer thin films on functionalized substrates at room temperature using catalyzed binary reaction sequence chemistry. Specifically, the atomic layer films are grown using two half-reactions. Catalysts are used to activate surface species in both half-reactions thereby enabling both half-reactions to be carried out at room temperature.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: July 18, 2000
    Assignee: University Technology Corporation
    Inventors: Jason Klaus, Ofer Sneh, Steven M. George
  • Patent number: 6051517
    Abstract: A modified zeolite or molecular sieve membrane for separation of materials on a molecular scale. The modified membrane is fabricated to wholly or partially block regions between zeolite crystals to inhibit transfer of larger molecules through the membrane, but without blocking or substantially inhibiting transfer of small molecules through pores in the crystalline structure. The modified membrane has a monomolecular layer deposited on the zeolite surface which has coordinated groups of atoms that include (i) a metal atom bonded to oxygen atoms that are bonded to the zeolite substrate atoms (e.g., silicon atoms) and (ii) either hydroxyl groups bonded to the metal atoms or additional oxygen atoms bonded to the metal atoms.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: April 18, 2000
    Assignee: University Technology Corp.
    Inventors: Hans H. Funke, Jason W. Klaus, Steven M. George, Andrew W. Ott, John L. Falconer, Richard D. Noble
  • Patent number: 6043177
    Abstract: A process for modifying surfaces of zeolites and molecular sieve membranes to decrease effective pore size for separation of materials includes atomic layer controlled vapor or liquid deposition. The atomic layer controlled deposition process steps include (i) exposing the surface to a metal atom coordinated with ligand groups having bonds that are hydrolyzable to form molecular bonded structures on the surface, which structures comprise the metal atoms coordinated with the ligand group or a modified ligand group and then (ii) hydrolyzing the bonds and possibly, but not necessarily, cross-linking the bonds in the ligand or modified ligand group.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: March 28, 2000
    Assignee: University Technology Corporation
    Inventors: John L. Falconer, Steven M. George, Andrew W. Ott, Jason W. Klaus, Richard D. Noble, Hans H. Funke