Patents by Inventor Richard Lee Fink
Richard Lee Fink 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).
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Publication number: 20090311440Abstract: A solution of metal ink is mixed and then printed or dispensed onto the substrate using the dispenser. The film then is dried to eliminate water or solvents. In some cases, a thermal curing step can be introduced subsequent to dispensing the film and prior to the photo-curing step. The substrate and deposited film can be cured using an oven or by placing the substrate on the surface of a heater, such as a hot plate. Following the drying and/or thermal curing step, a laser beam or focused light from the light source is directed onto the surface of the film in a process known as direct writing. The light serves to photo-cure the film such that it has low resistivity.Type: ApplicationFiled: May 14, 2009Publication date: December 17, 2009Applicant: Applied Nanotech Holdings, Inc.Inventors: Yunjun Li, David Max Roundhill, Mohshi Yang, Igor Pavlovsky, Richard Lee Fink, Zvi Yaniv
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Publication number: 20090261186Abstract: Use of carbon nanotubes (CNTs) in a charge injector to assist in atomizing fuel for engine applications. A CNT charging unit is positioned in front of a fuel injector. A voltage is applied on a CNT coated mesh to charge the fuel stream when it passes. Then the charged stream goes through a grounded metal cage. The fuel is thereby electrostatically charged causing repulsive forces on surfaces of liquid in the fuel resulting in the liquid splitting into droplets.Type: ApplicationFiled: April 22, 2009Publication date: October 22, 2009Applicant: Applied Nanotech Holdings, Inc.Inventors: Richard Lee Fink, Nan Jiang
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Patent number: 7560134Abstract: A method for forming a coating of nano-sized material on the surface of another material using a micromachining bead-blasting machine for implantation of nanoparticles is disclosed. The method can be practiced with a wide range of target materials, nanoparticles (such as carbon-nanotubes, CNTs), and environmental conditions, using a wide range of carrier bead sizes and materials, or without carrier beads. The claimed implantation method can be used to fabricate a surface-activated CNT-cathode for use in a field emission device. The implantation method can also be used for chemically reacting any of the materials present near the point of impact with each other.Type: GrantFiled: June 28, 2005Date of Patent: July 14, 2009Assignee: Applied Nanotech Holdings, Inc.Inventors: Zvi Yaniv, Richard Lee Fink, Mohshi Yang
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Publication number: 20080286488Abstract: Forming a conductive film comprising depositing a non-conductive film on a surface of a substrate, wherein the film contains a plurality of copper nanoparticles and exposing at least a portion of the film to light to make the exposed portion conductive. Exposing of the film to light photosinters or fuses the copper nanoparticles.Type: ApplicationFiled: May 15, 2008Publication date: November 20, 2008Applicant: Nano-Proprietary, Inc.Inventors: Yunjun Li, David Max Roundhill, Mohshi Yang, Igor Pavlovsky, Richard Lee Fink, Zvi Yaniv
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Publication number: 20080252473Abstract: A smoke detector replaces the americium source of alpha particles with a field emission device using carbon nanotubes as the field emitters, or some other field emitter, in order to provide an ionization of die air potentially caring smoke particles through the smoke detector.Type: ApplicationFiled: September 14, 2007Publication date: October 16, 2008Applicant: NANO-PROPRIETARY, INC.Inventor: Richard Lee Fink
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Publication number: 20080217302Abstract: A method and apparatus for assembly of small structures is disclosed. The present invention discloses electron beams created from one or more nanotips in an array operated in a field emission mode that can be controlled to apply heat to very well defined spots. The multiple electron beams may be generated and deflected and applied to electron beam heating and welding applications.Type: ApplicationFiled: October 30, 2007Publication date: September 11, 2008Inventors: Richard Lee Fink, Zvi Yaniv, Igor Pavlovsky, Leif Thuesen
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Publication number: 20080206448Abstract: The present invention is directed toward methods for incorporating low work function metals and salts of such metals into carbon nanotubes for use as field emitting materials. The present invention is also directed toward field emission devices, and associated components, comprising treated carbon nanotubes that have, incorporated into them, low work function metals and/or metal salts, and methods for making same. The treatments of the carbon nanotubes with the low work function metals and/or metal salts serve to improve their field emission properties relative to untreated carbon nanotubes when employed as a cathode material in field emission devices.Type: ApplicationFiled: February 8, 2008Publication date: August 28, 2008Inventors: Dongsheng Mao, Zvi Yaniv, Richard Lee Fink, Igor Pavlovsky
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Publication number: 20080193634Abstract: A method for forming a coating of nano-sized material on the surface of another material using a micromachining bead-blasting machine for implantation of nanoparticles is disclosed. The method can be practiced with a wide range of target materials, nanoparticles (such as carbon-nanotubes, CNTs), and environmental conditions, using a wide range of carrier bead sizes and materials, or without carrier beads. The claimed implantation method can be used to fabricate a surface-activated CNT-cathode for use in a field emission device. The implantation method can also be used for chemically reacting any of the materials present near the point of impact with each other.Type: ApplicationFiled: June 28, 2005Publication date: August 14, 2008Applicant: NANO-PROPRIETARY, INC.Inventors: Zvi Yaniv, Richard Lee Fink, Mohshi Yang
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Publication number: 20080173865Abstract: Fabrication of thin-film transistor devices on polymer substrate films that is low-temperature and fully compatible with polymer substrate materials. The process produces micron-sized gate length structures that can be fabricated using inkjet and other standard printing techniques. The process is based on microcrack technology developed for surface conduction emitter configurations for field emission devices.Type: ApplicationFiled: July 2, 2007Publication date: July 24, 2008Applicant: NANO-PROPRIETARY, INC.Inventors: Richard Lee Fink, Zvi Yaniv
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Publication number: 20080159924Abstract: A gas ionizer includes a photocatalyst activated with an electric field to emit electrons. The photocatalyst is also illuminated with an ultraviolet light source. The ionized gas is passed through a chamber between the photocatalyst and the ultraviolet light source. The photocatalyst may be titanium oxide.Type: ApplicationFiled: September 14, 2007Publication date: July 3, 2008Applicant: NANO-PROPRIETARY, INC.Inventor: Richard Lee Fink
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Publication number: 20080121018Abstract: An elliptical photo-acoustic spectrometer chamber design will result in a larger intensity signal at the pick-up microphone and allow high frequency light modulation. This makes the spectrometer have a lower limit of detection threshold, and will increase the signal to noise ratio in general for the instrument, resulting in a more sensitive instrument allowing more precise measurements.Type: ApplicationFiled: November 26, 2007Publication date: May 29, 2008Inventors: Donald R. Schopp, Igor Pavlovsky, Richard Lee Fink
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Patent number: 7300634Abstract: A photocatalytic cleaner for air or water includes a photocatalytic material coating a substrate. An anode, positioned a predetermined distance from the substrate, includes a phosphor that emits ultraviolet light in response to bombardment by electrons from a field emission cathode emitting electrons in response to an electric field. The field emission cathode may be a carbon based field emitter material including incorporating carbon nanotubes.Type: GrantFiled: October 31, 2005Date of Patent: November 27, 2007Assignee: Nano-Proprietary, Inc.Inventors: Zvi Yaniv, Richard Lee Fink
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Patent number: 7195938Abstract: Particles, which may include nanoparticles, are mixed with carbon nanotubes and deposited on a substrate to form a cold cathode. The particles enhance the field emission characteristics of the carbon nanotubes. An additional activation step may be performed on the deposited carbon nanotube mixture to further enhance the emission of electrons.Type: GrantFiled: October 11, 2002Date of Patent: March 27, 2007Assignee: Nano-Proprietary, Inc.Inventors: Zvi Yaniv, Richard Lee Fink, Mohshi Yang, Dongsheng Mao
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Patent number: 7125308Abstract: Activation of printed or dispensed carbon nanotube (CNT) film using a particle-blasting technique, also referred to as sandblasting or bead blasting. The process works by sending particles of material at high enough velocity such that when the particles hit the surface, some of the material at the surface is removed. The surface of the printed CNT film is slowly eroded away by the particles from the particle gun. The CNT fibers may be embedded in several layers of the printed layer, so they may not be removed easily.Type: GrantFiled: June 25, 2004Date of Patent: October 24, 2006Assignee: Nano-Proprietary, Inc.Inventor: Richard Lee Fink
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Patent number: 7070651Abstract: A film (carbon and/or diamond) for a field emitter device, which may be utilized within a computer display, is produced by a process utilizing etching of a substrate and then depositing the film. The etching step creates nucleation sites on the substrate for the film deposition process. With this process patterning of the emitting film is avoided. A field emitter device can be manufactured with such a film.Type: GrantFiled: May 21, 1997Date of Patent: July 4, 2006Assignee: SI Diamond Technology, Inc.Inventors: Zhidan Li Tolt, Zvi Yaniv, Richard Lee Fink
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Patent number: 7057203Abstract: The present invention is directed toward methods for incorporating low work function metals and salts of such metals into carbon nanotubes for use as field emitting materials. The present invention is also directed toward field emission devices, and associated components, comprising treated carbon nanotubes that have, incorporated into them, low work function metals and/or metal salts, and methods for making same. The treatments of the carbon nanotubes with the low work function metals and/or metal salts serve to improve their field emission properties relative to untreated carbon nanotubes when employed as a cathode material in field emission devices.Type: GrantFiled: November 18, 2003Date of Patent: June 6, 2006Assignee: Nano-Proprietary, Inc.Inventors: Dongsheng Mao, Zvi Yaniv, Richard Lee Fink, Igor Pavlovsky
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Patent number: 7040948Abstract: The present invention is directed toward cathodes and cathode materials comprising carbon nanotubes (CNTs) and particles. The present invention is also directed toward field emission devices comprising a cathode of the present invention, as well as methods for making these cathodes. In some embodiments, the cathode of the present invention is used in a field emission display. The invention also comprises a method of depositing a layer of CNTs and particles onto a substrate to form a cathode of the present invention, as well as a method of controlling the density of CNTs used in this mixed layer in an effort to optimize the field emission properties of the resulting layer for field emission display applications.Type: GrantFiled: June 29, 2004Date of Patent: May 9, 2006Assignee: Nano-Proprietary, Inc.Inventors: Dongsheng Mao, Richard Lee Fink, Zvi Yaniv
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Patent number: 6979947Abstract: A field emission device includes a substrate in which a well has been formed. Carbon fibers with a high aspect ratio are deposited within the well, wherein the well is sufficiently deep so that axes of a large number of the carbon fibers are substantially coaxial with a long axis of the well. A conductive anode is positioned relative to the substrate so that an electric potential applied between the conductive anode and the substrate causes an emission of electrons from the carbon fibers towards the conductive anode.Type: GrantFiled: July 9, 2002Date of Patent: December 27, 2005Assignee: SI Diamond Technology, Inc.Inventors: Zvi Yaniv, Richard Lee Fink
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Patent number: 6975063Abstract: The present invention is directed towards metallized carbon nanotubes, methods for making metallized carbon nanotubes using an electroless plating technique, methods for dispensing metallized carbon nanotubes onto a substrate, and methods for aligning magnetically-active metallized carbon nanotubes. The present invention is also directed towards cold cathode field emitting materials comprising metallized carbon nanotubes, and methods of using metallized carbon nanotubes as cold cathode field emitters.Type: GrantFiled: April 4, 2003Date of Patent: December 13, 2005Assignee: SI Diamond Technology, Inc.Inventors: Dongsheng Mao, Zvi Yaniv, Richard Lee Fink
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Patent number: 6897603Abstract: Nanoparticles are coated using thick-film techniques with a catalyst to promote the growth of carbon nanotubes thereon. In one example, alumina nanoparticles are coated with a copper catalyst. Such nanoparticles can be selectively deposited onto a substrate to create a field emission cathode, which can then be utilized within field emission devices.Type: GrantFiled: August 20, 2002Date of Patent: May 24, 2005Assignee: SI Diamond Technology, Inc.Inventors: Dongsheng Mao, Yunjun Li, Richard Lee Fink, Valerie Ginsberg, Mohshi Yang, Leif Thuesen