Abstract: A thin film transistor comprises a zinc-oxide-containing semiconductor material. Such transistors can further comprise spaced apart first and second contact means or electrodes in contact with said material. Further disclosed is a process for fabricating a thin film transistor device, wherein the substrate temperature is no more than 300° C. during fabrication.
Type:
Grant
Filed:
June 16, 2005
Date of Patent:
April 6, 2010
Assignee:
Eastman Kodak Company
Inventors:
David H. Levy, Andrea C. Scuderi, Lyn M. Irving
Abstract: A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, polycarbonate films are prepared by simultaneous application of multiple liquid layers to a moving carrier substrate. After solvent removal, the polycarbonate films are peeled from the sacrificial carrier substrate. Polycarbonate films prepared by the current invention exhibit good dimensional stability and low birefringence.
Abstract: Positive-working imageable elements have a substrate and an imageable layer that can be used to prepare lithographic printing plates. The imageable elements also include a radiation absorbing compound, and a mixture of first and second polymers in the same imageable layer. The first polymer has two or more centered H-bonds (hydrogen bonds) within a non-covalently bonded unit, and the second polymer is a polyvinyl acetal. This mixture of polymers in the same imageable layer provides improved solvent resistance and processing latitude without a loss in imaging speed.
Abstract: To provide a lithographic printing plate precursor which generates no stains in the non-image area and is also excellent in development latitude. Disclosed is a lithographic printing plate precursor comprising a support and a photosensitive layer, said lithographic printing plate precursor further comprising a subbing layer containing a maleamic acid (co)polymer, in which at least one hydrogen atom on a nitrogen atom is substituted with an onium group, provided between the photosensitive layer and the support.
Abstract: The present invention provides an imageable element including a lithographic substrate and an imageable layer disposed on the substrate. The imageable layer includes a radically polymerizable component, an initiator system capable of generating radicals sufficient to initiate a polymerization reaction upon exposure to imaging radiation, and a polymeric binder having a hydrophobic backbone and including constitutional units having a pendant group including a hydrophilic poly(alkylene oxide) segment. The imageable element can be developed using an aqueous developer solution. Alternatively, the imageable element can be developed on-press by contact with ink and/or fountain solution.
Type:
Grant
Filed:
December 16, 2004
Date of Patent:
February 9, 2010
Assignee:
Eastman Kodak Company
Inventors:
Heidi M. Munnelly, Kevin Wieland, Kevin Barry Ray
Abstract: An aqueous precipitation process for the preparation of particles comprising primarily silver sulfate, comprising reacting an aqueous soluble silver salt and an aqueous soluble source of inorganic sulfate ion in an agitated precipitation reactor vessel and precipitating particles comprising primarily silver sulfate, wherein the reaction and precipitation are performed in the presence of an aqueous soluble fluorinated additive, the amount of additive being a minor molar percentage, relative to the molar amount of silver sulfate precipitated, and effective to result in precipitation of particles comprising primarily silver sulfate having a mean grain-size of less than 50 micrometers.
Abstract: A thin film transistor comprises a layer of organic semiconductor that comprises an N,N?-1,4,5,8-naphthalenetetracarboxylic acid diimide having at least one cycloalkyl group having a fluorinated substituent at its 4-position that adopts an equatorial orientation in the trans configuration of the cycloalkyl group and an axial orientation in the cis configuration of the cycloalkyl group. Such transistors can be a field effect transistor having a dielectric layer, a gate electrode, a source electrode and a drain electrode. The gate electrode and the thin film of organic semiconductor material both contact the dielectric layer, and the source electrode and the drain electrode both contact the thin film of organic semiconductor material.
Abstract: The present invention relates to a curing assembly comprising at least two light sources combined into one light path, wherein the light sources are capable of curing a material exposed to the combined light path. The invention also relates to a method of curing a material or material in contact with a heat sensitive material comprising providing a curable material or a material associated with a heat sensitive material and exposing curable material to a combined light path from the curing assembly.
Type:
Grant
Filed:
June 28, 2005
Date of Patent:
December 29, 2009
Assignee:
Eastman Kodak Company
Inventors:
John I. Kilburn, George T. McCollough, Rusty J. Coleman, Craig A. Caprio, James R. Kircher, Daniel A. Slater
Abstract: The present invention relates to a splayant, that is, an intercalant/exfoliant, comprising an azinium compound capable of splaying a layered material.
Abstract: Silver halide color photographic elements having multiple color imaging layers contain a permanent, pre-formed magenta dye that is present in an amount to provide a status M green density greater than 0.005 per mg/m2. This dye provides minimum density at lower cost and enables lower dye levels and a reduced organic load that may lead to improved film physical properties.
Type:
Grant
Filed:
June 27, 2008
Date of Patent:
December 15, 2009
Assignee:
Eastman Kodak Company
Inventors:
Paul L. Zengerle, John W. Harder, Drake M. Michno, James H. Reynolds, Steven P. Szatynski
Abstract: Silver halide color photographic elements having multiple color imaging layers contain a permanent, pre-formed yellow colorant that is present in an amount to provide a status M blue density greater than 0.003 per mg/m2. This colorant provides minimum density at lower cost and can be incorporated with minimal or no organic solvents and thus enable a reduced organic load that may lead to improved film physical properties.
Type:
Grant
Filed:
May 30, 2008
Date of Patent:
December 8, 2009
Assignee:
Eastman Kodak Company
Inventors:
Paul L. Zengerle, Drake M. Michno, James H. Reynolds, Steven P. Szatynski, John W. Harder
Abstract: A thin film transistor comprises a layer of organic semiconductor material comprising a tetracarboxylic diimide naphthalene-based compound having, attached to each of the imide nitrogen atoms, an aromatic moiety, at least one of which moieties is substituted with at least one electron donating group. Such transistors can further comprise spaced apart first and second contact means or electrodes in contact with said material. Further disclosed is a process for fabricating an organic thin-film transistor device, preferably by sublimation deposition onto a substrate, wherein the substrate temperature is no more than 100° C.
Type:
Grant
Filed:
October 31, 2005
Date of Patent:
December 8, 2009
Assignee:
Eastman Kodak Company
Inventors:
Deepak Shukla, Diane C. Freeman, Shelby F. Nelson, Jeffrey T. Carey, Wendy G. Ahearn
Abstract: An initiator composition and infrared radiation-sensitive composition include an onium cation and a boron-containing anion as well as a metallocene. These compositions can be used to provide negative-working imageable elements that can be imaged and developed to provide lithographic printing plates that have desired imaging speed, excellent run length, and shelf life without the need for a post-exposure baking step and oxygen barrier overcoat.
Abstract: Lithographic printing plate precursor comprising (a) a lithographic substrate with a hydrophilic surface and (b) a radiation-sensitive coating on the hydrophilic surface comprising (i) one or more types of monomers and/or oligomers and/or polymers, each comprising at least one ethylenically unsaturated group accessible to a free radical polymerization, (ii) at least one sensitizer, and at least one coinitiator capable of forming free radicals together with the sensitizer (ii); characterized in that the at least one sensitizer is an oligomeric or polymeric compound comprising the following structural unit (Formula (I)), wherein ?1 is an aromatic or heteroaromatic unit or a combination of the two so that a conjugated n-system is present between the two groups Z in structure (I), each Z independently represents a heteroatom, each R1 and R2 is independently selected from a halogen atom, an alkyl, aryl, alkylaryl or aralkyl group, a group —NR3R4 and a group —OR5, each R3, R4 and R5 is independently selected from a
Type:
Grant
Filed:
November 11, 2005
Date of Patent:
November 10, 2009
Assignee:
Kodak Graphic Communications, GmbH
Inventors:
Bernd Strehmel, Harald Baumann, Udo Dwars, Detlef Pietsch, Axel Draber, Michael Mursal
Abstract: A negative-working imagable composition and element includes an initiator composition, an infrared radiation absorbing compound, a polymeric binder, and a stabilizing composition. The imaged element can be developed on-press and exhibits improved shelf-life under high humidity conditions. The stabilizing composition comprising at least one compound represented by Structure (ST-I) and at least one compound represented by Structure (ST-II): wherein m is 1 or 2, n is 1 to 50, R is hydrogen when m is 1, R1 through R3 are independently hydrogen or methyl, and L is an aliphatic, carbocyclic, heterocyclic, heteroatom divalent linking group, or a combination thereof.
Abstract: A method of fabricating a polymeric film includes adsorbing an ammonium salt surfactant over a plurality of polymer beads. The method also includes adding the polymer beads to a polymer solution, wherein the ammonium salt surfactant substantially prevents flocculation of the polymer beads. Additionally, a polymeric film includes a plurality of polymer beads each having an outer surface. The polymeric film also includes an ammonium salt surfactant disposed over each of the outer surfaces, wherein the ammonium salt surfactant substantially prevents flocculation of the polymer beads.
Type:
Grant
Filed:
January 28, 2005
Date of Patent:
October 6, 2009
Assignee:
Eastman Kodak Company
Inventors:
Roland J. Koestner, Craig T. Mollon, Timothy C. Schunk, William J. Gamble
Abstract: The present invention is directed to a touchscreen comprising touch side and device side electrodes wherein each electrode comprises in order an insulating substrate, a first electrically conductive layer in contact with said substrate, an exposed electrically conductive layer, wherein said exposed electrically conductive layers are adjacent and separated by dielectric spacers, and wherein at least the first electrically conductive layers or the exposed electrically conductive layers comprise carbon nanotubes.
Type:
Grant
Filed:
June 2, 2005
Date of Patent:
September 22, 2009
Assignee:
Eastman Kodak Company
Inventors:
Todd M. Spath, Glen C. Irvin, Jr., Debasis Majumdar, Ronald S. Cok, Charles C. Anderson
Abstract: The present invention relates to negative-working imageable elements that can be used for the manufacture of printing plates. These imageable elements can be developed on on-press by the action of a lithographic printing ink used in combination with either water or a fountain solution. The imageable elements comprise an imageable layer that is not removable in water or fountain solution alone. The imageable layer includes a free radically polymerizable compound, a free radical initiator composition, an infrared radiation absorbing compound, and a polymeric binder comprising poly(alkylene oxide) pendant groups, and preferably additionally pendant cyano groups.
Type:
Grant
Filed:
August 7, 2006
Date of Patent:
September 22, 2009
Assignee:
Eastman Kodak Company
Inventors:
Jianbing Huang, Kevin B. Ray, Scott A. Beckley
Abstract: Single- and multi-layer positive-working imageable elements include an ink receptive outer layer includes a primary polymeric binder that is a poly(vinyl phenol) or a phenolic polymer having certain acidic groups. The use of this type of polymeric binder makes the imaged elements developable in low pH (11 or less) alkaline developers.
Type:
Grant
Filed:
July 9, 2007
Date of Patent:
September 1, 2009
Assignee:
Eastman Kodak Company
Inventors:
Celin Savariar-Hauck, Alan S. Monk, Gerhard Hauck
Abstract: A radiation-sensitive composition for use in printing plates is described. The composition comprises: (a) at least one novolak; (b) at least one naphthoquinone diazide derivative; and (c) a copolymer comprising units A, B, and a unit C comprising a cyclic terminal urea group, wherein unit A is present in an amount of about 5 to about 50 mol % and has the formula is represented by wherein R1 is selected such that the homopolymer of A is alkali-soluble, unit B is present in an amount of about 20 to about 70 mol % and has the following formula is represented by wherein R2 is selected such that the homopolymer of B has a glass transition temperature greater than 100° C., preferably a glass transition temperature in the range from about 100 to about 380° C.