Patents Examined by Janyce Bell
  • Patent number: 6500485
    Abstract: A color filter manufacturing method manufactures a high-quality color filter by greatly reducing color irregularity in the respective pixels. This is accomplished by manufacturing a color filter by coloring each pixel with a plurality of discharged inks arrayed in the scanning direction while relatively scanning an ink-jet head over a substrate a plurality of times, wherein a coloring operation is performed by changing the discharging positions of inks onto the respective pixels in at least one of a plurality of scanning operations are changed with respect to those in other scanning operations.
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: December 31, 2002
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuhito Yamaguchi, Hiroshi Fujiike
  • Patent number: 6296896
    Abstract: A method for manufacturing an electron-emitting device processing an electroconductive film upon which an electron-emission region is formed is characterized in that the formation process of formation of the electron-emission region includes a process of application of metal compound-containing material and film thickness controlling agent to the substrate. A method for manufacturing an electron source comprises a substrate, and a plurality of electron-emitting devices arrayed upon the substrate, wherein the electron-emitting devices are manufactured according to the method for manufacturing the electron-emitting device. A method for manufacturing an image-forming apparatus comprises a substrate, an electron source comprised of a plurality of electron-emitting devices arrayed upon the substrate, and an image-forming member, wherein the electron-emitting devices are manufactured according to the method for manufacturing an electron-emitting device.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: October 2, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuo Takahashi, Naoko Miura
  • Patent number: 6149969
    Abstract: A pipe treatment process that is a portable, field-applied, coating process. The process produces a two-layer composite protective coating system with a finished, seamless, chemical bond within its interlayers as well as to adjacent coating materials. The process is suitable for metallic substrates, which may or may not be cathodically protected, and maybe used to coat new or repair previously coated metallic substrates.
    Type: Grant
    Filed: November 14, 1998
    Date of Patent: November 21, 2000
    Assignee: Kemacoat International Inc
    Inventor: Mark W. Gibson
  • Patent number: 6143358
    Abstract: A magnesium fluoride surface having a thin film of amphiphilic molecules bonded thereto by way of a primer film of a metal oxide having a surface that hydrolyzes on exposure to airborne moisture. The amphiphilic molecules are chemically bonded to hydroxy groups on the hydrolyzed surface of the metal oxide primer film.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: November 7, 2000
    Assignee: nanoFILM, Ltd.
    Inventors: Brij P. Singh, Pramod K. Arora
  • Patent number: 6139910
    Abstract: This is a fabrication process for Y-branch nickel/zinc-indiffused polarization splitters on lithium niobate. The fabrication technology needs only two nickel/zinc indiffusions; one at a high temperature and the other at a lower temperature. Nickel/zinc-indiffused waveguides can support single-ordinary, single-extraordinary, and random polarization waves depending on the fabrication process parameters. High extinction ratios can be achieved due to the inherent single-polarization of the waveguides. The splitting ratios of the TE and TM modes are sufficiently high for practical applications.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: October 31, 2000
    Assignee: National Science Council
    Inventors: Way-Seen Wang, Yu-Pin Liao, Ruei-Chang Lu, Rei-Shin Cheng, Chih-Hua Yang, Shung-Jung Lin
  • Patent number: 6132802
    Abstract: Methods for exhausting coating materials used in the process of spin coating a top surface of a wafer, the wafer having an edge and a bottom surface that is supported and rotated by a rotatable chuck attached by a shaft to a spin motor. The apparatus includes a bowl having an exhausted drain configured to receive excess liquid and vapor from the spin coating and an assembly configured to maintain the drain at a negative pressure differential relative to the bowl. In a preferred embodiment, a baffle is attached to the bottom to limit the flow of the liquid and vapor into the drain to a predetermined direction.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: October 17, 2000
    Assignee: Micron Technology, Inc.
    Inventors: Shawn D. Davis, John S. Molebash, Bruce L. Hayes, John T. Davlin
  • Patent number: 6132800
    Abstract: Disclosed herein is a process for producing a color liquid crystal display device, which comprises the steps of forming a plurality of switching elements on a first transparent substrate; providing a coating layer on the plural switching elements; separately applying curable inks to predetermined opening areas between the switching elements by an ink-jet system to form a color filter; forming a transparent electrode on the color filter; forming a transparent electrode on a second transparent substrate; and charging a liquid crystal into a space between the first and second transparent substrates.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: October 17, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Shimada, Shigetoshi Sugawa, Takeshi Miyazaki, Takeshi Ichikawa
  • Patent number: 6120840
    Abstract: The present invention provides a method for making a ceramic matrix composite comprising forming an infiltrated fiber reinforcement by infiltrating a plurality of plies of a fibrous material with a precursor polymer which decomposes to a substantially pure product selected from the group consisting of a refractory metal carbide and a refractory metal boride, and exposing the infiltrated fiber reinforcement to conditions effective to cure the precursor polymer and to decompose the precursor polymer to said substantially pure product.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: September 19, 2000
    Assignee: Southwest Research Institute
    Inventors: Partha P. Paul, Stuart T. Schwab
  • Patent number: 6117481
    Abstract: A manufacturing method for electronic devices including applying photosensitive or non-photosensitive resin onto a substrate by a slit-type dropping nozzle method. A slit-type dropping nozzle for performing resin application is scanned to apply resin while maintaining a scanning direction of the nozzle in an inclined condition relative to the substrate at a specified angle in substantially a same direction as a rotating direction of the substrate after resin has been applied thereto. With the above method, even in a case in which clogging of a part of the nozzle due to foreign matter and dropping defects have occurred, the uniformity in film thickness typically will not be affected unless the defect has occurred in the center of the substrate.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: September 12, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Masaru Aoki
  • Patent number: 6117486
    Abstract: A resist coating method for forming a resist film on a substrate by supplying a resist solution to substantially a center of a substrate surface while the substrate is rotated, rotating the substrate at a low speed by decelerating the rotation of the substrate after the supply of the resist solution is terminated, and rotating the substrate at a high speed by accelerating the rotation of the substrate after the substrate is rotated at the low speed for a predetermined time-period.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: September 12, 2000
    Assignee: Tokyo Electron Limited
    Inventor: Kosuke Yoshihara
  • Patent number: 6113977
    Abstract: The invention relates to a method of growing a ZnS:Mn phosphor layer suitable for use in thin-film electroluminescent components. According to the method, the ZnS:Mn phosphor layer is grown on a substrate by means of the ALE method using volatile zinc, sulfur and manganese compounds as the precursors. According to the invention, an organozinc compound such as diethylzinc or dimethylzinc is used as precursor for zinc, hydrogen sulfide or an organosulfur compound is used as precursor for sulfur, and an organomanganese compound or organic manganese complex compound is used as precursor for manganese. The invention provides a display component with drive-voltage-symmetrical light emission and stable characteristics of luminance level and turn-on voltage.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: September 5, 2000
    Assignee: Planar International Oy Ltd.
    Inventors: Erkki Lauri Soininen, Gitte Harkonen, Marja Lahonen, Runar Tornqvist, Juha Viljanen
  • Patent number: 6110522
    Abstract: A blood glucose monitoring system includes a broadband light source and a specially fabricated optical filter for modulating optical radiation to be transmitted through a fleshy medium. Optical radiation which passes through the fleshy medium is detected by an optical detector which generates an electrical signal indicative of the intensity of the detected light. Digital signal processing is performed on the electrical signal to extract those optical characteristics of the electrical signal due to the optical characteristics of the filter and constituents of the fleshy May 1, 1995 medium other than blood glucose concentration. The monitoring system employs a unique "double-log" transformation to minimize errors due to indeterminate path length variations of the optical radiation through the fleshy medium. The monitoring system further employs specialized signal processing to avoid inaccuracies due to the previously unidentified solvent effect which arises when glucose is dissolved into water.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: August 29, 2000
    Assignee: Masimo Laboratories
    Inventors: James M. Lepper, Jr., Mohamed Kheir Diab
  • Patent number: 6103296
    Abstract: A method is provided for improving the x-ray screen brightness of gadolinium oxysulfide x-ray phosphors. The method applies annealing and acid washing steps in a specific order following deagglomeration of the phosphor in order to ameliorate the loss of brightness caused by the deagglomeration.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: August 15, 2000
    Assignee: Osram Sylvania Inc.
    Inventor: Robert T. McSweeney
  • Patent number: 6103297
    Abstract: A method of manufacturing a cathode-ray tube comprises a process of forming a phosphor screen. The process comprises an application process, a shake-off process, and a drying process. In the application process, a glass panel is tilted with respect to a vertical axis and is rotated having a tilt axis as a central axis to spread a phosphor slurry over almost the entire area of an inner face of the glass panel. In the shake-off process, by rotating the glass panel, excess phosphor slurry is shaken off, and the excess phosphor slurry is recovered in phosphor-slurry recovery members provided at the four corners of the glass panel. In the drying process, the phosphor slurry is dried. In this method, the tilt angle and rotation speed of the glass panel at least in one process out of the application process, the shake-off process, and the drying process is changed at least in two stages.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: August 15, 2000
    Assignee: Matsushita Electronics Corporation
    Inventors: Nobuyuki Aoki, Kenji Nakada, Naoyuki Tani, Hiroshi Deguchi
  • Patent number: 6099893
    Abstract: A method of manufacturing a fluorescent layer having a striped or dot pattern for a display device, including the steps of installing a donor film composed of a base film, a light absorbing layer, a buffering layer and a phosphor layer being departed from a substrate by predetermined distance, and irradiating an energy source to the donor film to transfer a phosphor from the phosphor layer to the surface of the substrate and then thermally treating the transferred phosphor. In the method, defects generated by dust or foreign substances are reduced so that manufacturing yield is improved compared to the conventional method. Also, the process is simple so that productivity is enhanced and a high resolution screen is realized.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: August 8, 2000
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Si-hyun Lee, Joo-sang Park
  • Patent number: 6096432
    Abstract: Growth of scale on the wall surfaces of high-temperature furnaces is prevented, or the damaged portions are repaired. In addition, the inner wall surfaces of furnaces such as coke furnaces and carbon-firing furnaces, and attachments to furnaces (furnace lids and gas pipes) are protected from deposition of carbon.Glazing layers are formed by application to the refractory surfaces of furnaces of a glazing agent which comprises as a glaze, on an oxide basis, 0-10% by weight of Li.sub.2 O, 0-10% by weight of B.sub.2 O.sub.3, 10-40% by weight of R.sub.2 O (R represents Na or K) and SiO.sub.2 as the balance, wherein the glaze has a melting point of C. or below.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: August 1, 2000
    Assignee: Asahi Chemical Company, Limited
    Inventors: Seiichi Sakaguchi, Mitsutoshi Murase
  • Patent number: 6096375
    Abstract: A reflective polarizer and a dichroic polarizer are combined to provide an improved optical polarizer. The dichroic and reflective polarizers are typically in close proximity to each other, and are preferably bonded together to eliminate the air gap between the polarizers. The combination of the two polarizers provides a high reflectivity of one polarization and high transmission for the perpendicular polarization from the reflective polarizer side of the combined polarizer, and high absorption and transmission for light of orthogonal polarization from the dichroic polarizer side. The combination also reduces iridescence as seen in transmission and when viewed in reflection from the dichroic polarizer side. The increased extinction ratio and low reflectivity of the optical polarizer allows use of a lower extinction ratio dichroic polarizer in applications requiring a given extinction ratio and high transmission.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: August 1, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Andrew J. Ouderkirk, Michael F. Weber, James M. Jonza, Carl A. Stover
  • Patent number: 6096374
    Abstract: A heat-sensitive stencil having a thermoplastic resin film, and a porous resin layer formed thereon. The stencil has an air permeability in the range of 1.0 cm.sup.3 /cm.sup.2 .multidot.sec to 157 cm.sup.3 /cm.sup.2 .multidot.sec in a portion thereof when the thermoplastic resin film of the portion is perforated to form perforations providing an open ratio S.sub.O /S.sub.P of at least 0.2, wherein S.sub.O represents a total area of the perforations and S.sub.P represents the area of the portion. The heat-sensitive stencil is prepared by applying a coating liquid containing the resin of the porous resin layer to the thermoplastic resin film and drying the coating. The coating liquid contains a mixture of a good solvent and a poor solvent less vaporizable than the good solvent so that the porous resin layer is formed after drying.
    Type: Grant
    Filed: August 24, 1998
    Date of Patent: August 1, 2000
    Assignees: Ricoh Company, Ltd., Tohoku Ricoh Co., Ltd.
    Inventors: Masayuki Ohta, Takehiko Iwaoka, Fumiaki Arai, Hiroshi Tateishi, Masanori Rimoto, Hideki Ono, Tetsuo Tanaka, Yuji Natori
  • Patent number: 6093448
    Abstract: An improved process, preferably continuous, for the manufacture of gradient refractive index optical objects, wherein a core polymer, which itself may be prepared by a continuous and incorporated process, is passed through a hollow porous surrounding, generally cylindrical so as to obtain and maintain a rounded fiber, through which is fed a second monomer whose polymer has a lower refractive index than the core polymer, so as to swell the core polymer. The swollen polymer with a gradient of swelling by the second monomer from surface to core, is then led to a polymerization unit to complete the polymerization before equilibration of the second monomer throughout the core polymer occurs. The resulting polymers are useful in the preparation of optical fibers and light pipes.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: July 25, 2000
    Assignee: Rohm and Haas Company
    Inventors: Edward Ewart LaFleur, Angelo Anthony Lamola
  • Patent number: 6090437
    Abstract: A repair method for repairing a floor, the floor consisting of a cover stratum and a base stratum, the cover stratum having an upper surface and a lower surface, the base stratum having an upper surface, the lower surface of the cover stratum being fixedly attached to the upper surface of the base stratum, the cover stratum having a damaged area, the damaged area consisting of an aperture having an upper and a lower end, the aperture extending from the upper surface of the cover stratum to the lower surface of the cover stratum, the repair method comprising the steps of painting a section of the upper surface of the base stratum, the section painted spanning across the lower end of the aperture; pouring filler into the aperture; and, pouring adhesive into the filler.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: July 18, 2000
    Inventor: Thomas Rafter