Patents by Inventor Charles Szmanda

Charles Szmanda 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: 8308973
    Abstract: A selenium ink comprising a chemical compound having a formula RZ—Sex—Z?R? stably dispersed in a liquid carrier is provided, wherein the selenium ink is hydrazine free and hydrazinium free. Also provided are methods of preparing the selenium ink and of using the selenium ink to deposit selenium on a substrate for use in the manufacture of a variety of chalcogenide containing semiconductor materials, such as, thin film transistors (TFTs), light emitting diodes (LEDs); and photoresponsive devices (e.g., electrophotography (e.g., laser printers and copiers), rectifiers, photographic exposure meters and photovoltaic cells) and chalcogenide containing phase change memory materials.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: November 13, 2012
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: David Mosley, Kevin Calzia, Charles Szmanda
  • Patent number: 8119506
    Abstract: A selenium/Group 3a ink, comprising (a) a selenium/Group 3a complex which comprises a combination of, as initial components: a selenium component comprising selenium; an organic chalcogenide component having a formula selected from RZ—Z?R? and R2—SH; wherein Z and Z? are each independently selected from sulfur, selenium and tellurium; wherein R is selected from H, C1-20 alkyl group, a C6-20 aryl group, a C1-20 hydroxyalkyl group, an arylether group and an alkylether group; wherein R? and R2 are selected from a C1-20 alkyl group, a C6-20 aryl group, a C1-20 hydroxyalkyl group, an arylether group and an alkylether group; and, a Group 3a complex, comprising at least one Group 3a material selected from aluminum, indium, gallium and thallium complexed with a multidentate ligand; and, (b) a liquid carrier; wherein the selenium/Group 3a complex is stably dispersed in the liquid carrier.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: February 21, 2012
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Kevin Calzia, David Mosley, Charles Szmanda, David L. Thorsen
  • Publication number: 20110287614
    Abstract: A selenium/Group 3a ink, comprising (a) a selenium/Group 3a complex which comprises a combination of, as initial components: a selenium component comprising selenium; an organic chalcogenide component having a formula selected from RZ—Z?R? and R2—SH; wherein Z and Z? are each independently selected from sulfur, selenium and tellurium; wherein R is selected from H, C1-20 alkyl group, a C6-20 aryl group, a C1-20 hydroxyalkyl group, an arylether group and an alkylether group; wherein R? and R2 are selected from a C1-20 alkyl group, a C6-20 aryl group, a C1-20 hydroxyalkyl group, an arylether group and an alkylether group; and, a Group 3a complex, comprising at least one Group 3a material selected from aluminum, indium, gallium and thallium complexed with a multidentate ligand; and, (b) a liquid carrier; wherein the selenium/Group 3a complex is stably dispersed in the liquid carrier.
    Type: Application
    Filed: May 18, 2010
    Publication date: November 24, 2011
    Applicant: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Kevin Calzia, David Mosley, Charles Szmanda, David L. Thorsen
  • Publication number: 20110020981
    Abstract: A selenium ink comprising a chemical compound having a formula RZ-Sex-Z?R? stably dispersed in a liquid carrier is provided, wherein the selenium ink is hydrazine free and hydrazinium free. Also provided are methods of preparing the selenium ink and of using the selenium ink to deposit selenium on a substrate for use in the manufacture of a variety of chalcogenide containing semiconductor materials, such as, thin film transistors (TFTs), light emitting diodes (LEDs); and photoresponsive devices (e.g., electrophotography (e.g., laser printers and copiers), rectifiers, photographic exposure meters and photovoltaic cells) and chalcogenide containing phase change memory materials.
    Type: Application
    Filed: July 27, 2009
    Publication date: January 27, 2011
    Applicant: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: David Mosley, Kevin Calzia, Charles Szmanda
  • Publication number: 20080095924
    Abstract: A composition for the formation of an electric field programmable film, the composition comprising a matrix precursor composition or a dielectric matrix material, wherein the dielectric matrix material comprises an organic polymer and/or a inorganic oxide; and an electron donor and an electron acceptor of a type and in an amount effective to provide electric field programming. The films are of utility in data storage devices.
    Type: Application
    Filed: July 31, 2007
    Publication date: April 24, 2008
    Applicants: ROHM AND HAAS COMPANY, The Regents of the University of California
    Inventors: Yang Yang, Jianyong Ouyang, Charles Szmanda
  • Publication number: 20070042289
    Abstract: Underlying coating compositions are provided for use with an overcoated photoresist composition. In one aspect, the coating composition can be crosslinked and comprise one or more components that contain one or more acid-labile groups and/or one or more base-reactive groups that are reactive following crosslinking. In another aspect, underlying coating composition are provided that can be treated to provide a modulated water contact angle. Preferred coating compositions can enhance lithographic performance of an associated photoresist composition.
    Type: Application
    Filed: July 5, 2006
    Publication date: February 22, 2007
    Applicant: Rohm and Haas Electronic Materials LLC
    Inventors: James Thackeray, Gerald Wayton, Charles Szmanda
  • Publication number: 20070009821
    Abstract: Cross-point memory array devices containing an electric field programmable film with data stored in multi-bit format are provided. Also provided are data processing devices comprising cross-point memory array devices with data stored in multi-bit format. Further provided are methods of storing multi-bit data in cross-point memory array devices and methods of using such devices.
    Type: Application
    Filed: July 6, 2006
    Publication date: January 11, 2007
    Inventors: Charlotte Cutler, Edward Greer, Charles Szmanda
  • Publication number: 20070009201
    Abstract: An electric field programmable film composition is disclosed containing a binder and (a) an electron donor and an electron acceptor, wherein at least one of: (i) the concentration of the electron donor is <0.05 wt % and (ii) the concentration of the electron acceptor is <0.05 wtO/o or (b) an electron donor and an electron acceptor, wherein the electron donor and/or the electron acceptor is chemically bound to the binder. Also disclosed are methods for manufacturing an electric field programmable film on a substrate. Also disclosed are memory devices, wherein the memory device comprises an electric field programmable film.
    Type: Application
    Filed: March 17, 2006
    Publication date: January 11, 2007
    Applicant: Rohm and Haas Electronic Materials LLC
    Inventors: Edwin Chandross, Charlotte Cutler, Edward Greer, Charles Szmanda, Chi Truong
  • Publication number: 20060147730
    Abstract: A silane adhesion promoter composition is useful in producing a ferroelectric polymer film that is especially suitable for use in a data processing device.
    Type: Application
    Filed: September 26, 2005
    Publication date: July 6, 2006
    Applicant: Rohm and Haas Electronic Materials LLC
    Inventors: Kathleen O'Connell, Anthony Zampini, Kathleen Spear-Alfonso, James Mori, Charles Szmanda
  • Publication number: 20050212022
    Abstract: Disclosed is a memory cell having an access transistor and an electric field programmable bi-stable element. The access transistor may be a (N-channel or P-channel) MOSFET transistor having a gate, source or drain region coupled to the electric field programmable bi-stable or multi-stable element (hereinafter collectively, “bi-stable element” unless expressly indicated otherwise). The access transistor facilitates selective and controllable programming and reading of the electric field programmable bi-stable element. Also disclosed is a plurality of memory cells, each having a unique, different and/or distinct electric field programmable bi-stable element and a common access transistor and a common access transistor. In yet another aspect, a differential memory cell having a plurality of memory cells configured to store complementary data states is disclosed.
    Type: Application
    Filed: October 13, 2004
    Publication date: September 29, 2005
    Inventors: Edward Greer, Robert Murphy, Charles Szmanda
  • Publication number: 20050211978
    Abstract: Disclosed herein is an electric field programmable film comprising a polymer bonded to an electroactive moiety. Disclosed herein too is a method of manufacturing an electric field programmable film comprising depositing upon a substrate, a composition comprising a polymer and an electroactive moiety that is bonded to the polymer. Disclosed herein too is a data processing machine comprising a processor for executing an instruction; and a memory device comprising an electric field programmable film, wherein the electric field programmable film comprises a polymer bonded to an electroactive moiety, and further wherein the memory device is in electrical and/or optical communication with the processor.
    Type: Application
    Filed: March 22, 2005
    Publication date: September 29, 2005
    Inventors: Lujia Bu, Emine Cagin, Chandra Cutler, Dana Gronbeck, Charles Szmanda
  • Publication number: 20050170278
    Abstract: Disclosed are spirocyclic olefin polymers, methods of preparing spirocyclic olefin polymers, photresist compositions including spirocyclic olefin resin binders and methods of forming relief images using such photoresist compositions.
    Type: Application
    Filed: October 22, 2004
    Publication date: August 4, 2005
    Inventors: Charles Szmanda, George Barclay, Peter Trefonas, Wang Yueh
  • Publication number: 20050058009
    Abstract: A composition for the formation of an electric field programmable film, the composition comprising a matrix precursor composition or a dielectric matrix material, wherein the dielectric matrix material comprises an organic polymer and/or a inorganic oxide; and an electron donor and an electron acceptor of a type and in an amount effective to provide electric field programming. The films are of utility in data storage devices.
    Type: Application
    Filed: August 25, 2004
    Publication date: March 17, 2005
    Inventors: Yang Yang, Jianyong Ouyang, Charles Szmanda
  • Publication number: 20050004302
    Abstract: A substituted (meth)acrylic copolymer leveling agent is useful in producing a ferroelectric polymer film that is especially suitable for use in a data processing device. Also disclosed is a a casting composition which includes the leveling agent, a film stack, and a data processing device comprising a ferroelectric film produced using the leveling agent.
    Type: Application
    Filed: March 8, 2004
    Publication date: January 6, 2005
    Applicant: Rohm and Haas Electronic Materials, L.L.C.
    Inventors: Charles Szmanda, Kathleen Spear-Alfonso, Lujia Bu