Patents Represented by Attorney, Agent or Law Firm Daniel P. Morris
  • Patent number: 6399406
    Abstract: Communication signal mixing and filtering systems and methods utilizing an encapsulated micro electro-mechanical system (MEMS) device. Furthermore, disclosed is a method of fabricating a simple, unitarily constructed micro electromechanical system (MEMS) device which combines the steps of signal mixing and filtering, and which is smaller, less expensive and more reliable in construction and operation than existing devices currently employed in the technology.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: June 4, 2002
    Assignee: International Business Machines Corporation
    Inventors: Kevin K. Chan, Christopher Jhanes, Leathen Shi, James L. Speidell, James F. Ziegler
  • Patent number: 6398875
    Abstract: A process of drying a semiconductor wafer which includes at least one microelectric structure disposed thereon which includes contacting a water-containing thin film-covered semiconductor wafer with a composition which includes liquid or supercritical carbon dioxide and a surfactant.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: June 4, 2002
    Assignee: International Business Machines Corporation
    Inventors: John Michael Cotte, Dario L. Goldfarb, Kenneth John McCullough, Wayne Martin Moreau, Keith R. Pope, John P. Simons, Charles J. Taft
  • Patent number: 6392156
    Abstract: Improved conductors and superconducting magnets are described utilizing superconducting materials exhibiting critical field anisotropy. This anisotropy is one in which the ability of the superconductor to stay in a superconducting state depends on the orientation of a magnetic field applied to the superconductor with respect to the direction of current flow in the superconductor. This anisotropy is utilized in the design of conductors and magnet windings comprising the superconductive material and specifically is directed to magnet windings in which the direction of high critical current through the superconductor is parallel to the magnetic field produced by current in these windings in order to obtain high critical fields. Particularly favorable examples of a superconducting material are the so-called high Tc superconductors in which the primary supercurrent flow is confined to 2 dimensional Cu—O planes.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: May 21, 2002
    Assignee: International Business Machines Corporation
    Inventors: Arthur Davidson, Timothy Rea Dinger, William Joseph Gallagher, Thomas Kimber Worthington
  • Patent number: 6391674
    Abstract: This invention describes fabrication procedures to construct MEMS devices, specifically band-pass filter resonators, in a manner compatible with current integrated circuit processing. The final devices are constructed of single-crystal silicon, eliminating the mechanical problems associated with using polycrystalline silicon or amorphous silicon. The final MEMS device lies below the silicon surface, allowing further processing of the integrated circuit, without any protruding structures. The MEMS device is about the size of a SRAM cell, and may be easily incorporated into existing integrated circuit chips. The natural frequency of the device may be altered with post-processing or electronically controlled using voltages and currents compatible with integrated circuits.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: May 21, 2002
    Assignee: International Business Machines Corporation
    Inventor: James F. Ziegler
  • Patent number: 6383415
    Abstract: Cross-linked electrically conductive polymers, in particular electrically conductive, polyaniline are described. Dopants and substituents having pendant cross-linkable functionality are used which form a cross-linked conducting polymer network. The cross-linking functionality can be hydrogen-bonding as well as chemically polymerizable or cross-linkable. A conjugated path between chains can also be incorporated. The resulting cross-linked conducting polymers have enhanced thermal and environmental stability. The dopant cannot readily be washed out with solvents or diffuse out upon exposure to heat. In addition, the cross-linked polymers have enhanced electrical conductivity.
    Type: Grant
    Filed: November 22, 1999
    Date of Patent: May 7, 2002
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Jeffrey D. Gelorme, Yun Hsin Liao, Jane M. Shaw
  • Patent number: 6380101
    Abstract: Microcontact printing to pattern a self-assembled monolayer (SAM) of an alkanephosphonic acid on a film of indium zinc oxide (IZO). The SAM is robust enough to protect the undelying IZO from wet chemical etching, and thus defines a pattern of IZO on the substrate. In the microcontact printing process, a patterned, elastomeric stamp is inked with a solution of octadecylphosphonic acid and brought into conformal contact with the IZO surface. A SAM of alkanesulfonic acid forms where the stamp and the surface make contact; the rest remains underivatized. The stamp is then removed from the surface. Etching the sample in aqueous oxalic acid removes the unprotected areas, while the areas protected by the SAM remain in place.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: April 30, 2002
    Assignee: International Business Machines Corporation
    Inventors: Tricia L. Breen, Peter M. Fryer, Ronald Wayne Nunes, Mary Elizabeth Rothwell
  • Patent number: 6377296
    Abstract: A system, for automatically tracking objects, including a computer processor and memory, cameras and other sensors and a user interface. A user registers an object with the system by presenting the object to a camera, which produces an image of the object, and describing the object through a user interface. Based on an analysis of the image and the description provided by the user, an object identifier/tracker determines the attributes of the object, classifies the object according to the attributes, and indexes and stores the image in a database. The system will thereafter track the location of the object. Subsequently, the user can query the system to search the database to obtain information regarding the object.
    Type: Grant
    Filed: January 28, 1999
    Date of Patent: April 23, 2002
    Assignee: International Business Machines Corporation
    Inventors: Alexander Zlatsin, Dimitri Kanevsky
  • Patent number: 6371616
    Abstract: Miniature devices which incorporate data displaying features, incorporating an information processing and display system, which includes devices for the representation of textural and pictorial information and data, and which is adapted to project images onto a remote display surface. Also disclosed is a method for utilizing miniature information processing devices which incorporate projectors for projecting data onto remote surfaces.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: April 16, 2002
    Assignee: International Business Machines Corporation
    Inventors: Fuad Elias Doany, Dimitri Kanevsky, Clifford A. Pickover, Alexander Zlatsin
  • Patent number: 6348299
    Abstract: Photoresist compositions of improved reactive ion etching comprising polymers of 2-hydroxyalkyl methacrylate and/or 2-hydroxyalkylacrylate and a titanate, zirconate and/or hafnate are provided. The photoresist compositions are used for forming positive lithographic patterns.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: February 19, 2002
    Assignee: International Business Machines Corporation
    Inventors: Ari Aviram, Inna V. Babich
  • Patent number: 6346362
    Abstract: Compositions comprising a polymer having silicon, germanium and/or tin; and a protecting group grafted onto a polymeric backbone are useful as resists and are sensitive to imaging irradiation while exhibiting enhanced resistance to reactive ion etching.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: February 12, 2002
    Assignee: International Business Machines Corporation
    Inventors: Ari Aviram, C. Richard Guarnieri, Wu-Song Huang, Ranee W. Kwong, David R. Medeiros
  • Patent number: 6344305
    Abstract: A high-performance radiation sensitive silicon-containing negative-tone resist is provided along with a method of using the silicon-containing resist in multilayer, including bilayer, imaging for manufacturing semiconductor devices. The negative-tone silicon-containing resist is based on an acid catalyzed high-contrast crosslinking of aqueous base soluble silicon-containing phenolic polymers through reaction of a carbocation of the crosslinking agent with the hydroxyl site of the phenolic group in the silicon-containing polymers. A chemically amplified silicon-containing negative-tone resist composition comprising said silicon-containing polymer resin; at least one crosslinking agent; one acid generator; and a solvent is provided. The silicon-containing resist composition has high silicon content and provide excellent resolution and a means of patterning high aspect ratio resist patterns.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: February 5, 2002
    Assignee: International Business Machines Corporation
    Inventors: Qinghuang Lin, Ahmad D. Katnani, Douglas Charles LaTulipe, Jr., David E. Seeger, William Ross Brunsvold, Ali Afzali-Ardakani
  • Patent number: 6344660
    Abstract: A thin film transistor (TFT) device structure based on an organic semiconductor material, that exhibits a high field effect mobility, high current modulation and a low sub-threshold slope at lower operating voltages than the current state of the art organic TFT devices. The structure comprises a suitable substrate disposed with he following sequence of features: a set of conducting gate electrodes covered with a high dielectric constant insulator, a layer of the organic semiconductor, sets of electrically conducting source and drain electrodes corresponding to each of the gate lines, and an optional passivation layer that can overcoat and protect the device structure. Use of high dielectric constant gate insulators exploits the unexpected gate voltage dependence of the organic semiconductor to achieve high field effect mobility levels at very low operating voltages.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: February 5, 2002
    Assignee: International Business Machines Corporation
    Inventors: Christos Dimitrios Dimitrakopoulos, Peter Richard Duncombe, Bruce K. Furman, Robert B. Laibowitz, Deborah Ann Neumayer, Sampath Purushothaman
  • Patent number: 6344662
    Abstract: A thin film transistor (TFT) device structure based on an organic-inorganic hybrid semiconductor material, that exhibits a high field effect mobility, high current modulation at lower operating voltages than the current state of the art organic-inorganic hybrid TFT devices. The structure comprises a suitable substrate disposed with the following sequence of features: a set of conducting gate electrodes covered with a high dielectric constant insulator, a layer of the organic-inorganic hybrid semiconductor, sets of electrically conducting source and drain electrodes corresponding to each of the gate lines, and an optional passivation layer that can overcoat and protect the device structure. Use of high dielectric constant gate insulators exploits the gate voltage dependence of the organic-inorganic hybrid semiconductor to achieve high field effect mobility levels at very low operating voltages.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: February 5, 2002
    Assignee: International Business Machines Corporation
    Inventors: Christos Dimitrios Dimitrakopoulos, Cherie Renee Kagan, David Brian Mitzi
  • Patent number: 6342823
    Abstract: A method and system for reducing the computation complexity and improving accuracy of delay and crosstalk calculation in transmission-lines with frequency-dependent losses. An analysis tool based on restricted coupled-line topologies, simple two-dimensional to three-dimensional RLC matrix conversion, and use of prestored synthesized circuits that accurately capture frequency-dependent loss effects. The CAD tool can handle frequency-dependent resistive and inductive effects for coupled-interconnections on large microprocessor chips with >10K of critical nets. This is done in an interactive manner during the design cycle and allows first path fast product design.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: January 29, 2002
    Assignee: International Business Machines Corp.
    Inventors: Allan Harvey Dansky, Alina Deutsch, Gerard Vincent Kopcsay, Phillip John Restle, Howard Harold Smith
  • Patent number: 6341038
    Abstract: An apparatus for polarization conversion having a light source for supplying vertically and horizontally linearly polarized light to an optical path and a parabolic mirror disposed in the optical path and proximate to the light source. In different embodiments, the parabolic mirror has a mirror coating to induce a phase shift of 0°, 90°, or an arbitrary phase shift between incident light and reflected light. A polarizer means, preferably a reflective polarizer film, is disposed in the optical path for reflecting light of one of the linear polarizations and for transmitting the other linear polarization. Lastly, one or more waveplates are disposed in the optical path between the polarizer means and the parabolic mirror. The waveplates have opposing segments each having axes which are antiparallel to each other for recycling the reflected linear polarization by converting it to the transmitted polarization.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: January 22, 2002
    Assignee: International Business Machines Corporation
    Inventors: Russell Alan Budd, Derek Brian Dove, Alan Edward Rosenbluth
  • Patent number: 6338096
    Abstract: The present invention provides a method and apparatus for transparently accessing multiple local and remote data stream types from an HTML browser. A micro web browser is disclosed which runs on the same platform as any commercial HTML browser, but in a separate process. Capabilities of the micro web browser include processing a data stream before the stream reaches the browser, translating different protocols to HTTP and different data types to HTML, where the translation is performed either on the fly or as pages are stored on the disk. The micro web server is further capable of allowing mixed media searches (e.g. searching first a users hard drive, then a users CD, then the World Wide Web.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: January 8, 2002
    Assignee: International Business Machines Corporation
    Inventor: Jacob Paul Ukelson
  • Patent number: 6337381
    Abstract: An organic light emitting device (10) is provided which is encapsulated by a Siloxane film (17). This Siloxane film (17) is applied to the light emitting portion of the diode (10) providing for protection against contamination, degradation, oxidation and the like. The Siloxane film (17) carries an optical element, such as a lens (18) for example. This optical element (18) is arranged such that the light generated inside the diode (10) is output through it.
    Type: Grant
    Filed: September 16, 1998
    Date of Patent: January 8, 2002
    Assignee: International Business Machines Corporation
    Inventors: Hans Biebuyck, Eliav Haskal
  • Patent number: 6337522
    Abstract: A new interconnection scheme is disclosed for a tape automated bonding (TAB) package, a flip chip package and an active matrix liquid crystal display (AMLCD) panel, where an electrically conducting adhesive is used to form an electrical interconnection between an active electronic device and its components. The electrically conducting adhesive can be a mixture comprising a polymer resin, a no-clean solder flux, a plurality of electrically conducting particles with an electrically conducting fusible coating which provides a metallurgical bond between the conducting particles as well as to the substrates. The advantages of using the electrically conducting adhesives include reduction in bonding pressure and/or bonding temperature, control of interfacial reactions, promotion of stable metallurgical bonds, enhanced reliability of the joints, and others.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: January 8, 2002
    Assignee: International Business Machines Corporation
    Inventors: Sung Kwon Kang, Sampath Purushothaman
  • Patent number: 6335539
    Abstract: A method for improving the performance of an organic thin film field effect transistor comprising the steps of: (a) forming a transistor structure having patterned source and drain electrodes; and (b) treating the patterned source and drain electrodes with a thiol compound having the formula, RSH, wherein R is a linear or branched, substituted or unsubstituted, alkyl, alkenyl, cycloalkyl or aromatic containing from about 6 to about 25 carbon atoms under conditions that are effective in forming a self-assembled monolayer of said thiol compound on said electrodes. Organic thin film transistor structures containing the self-assembled monolayer of the present invention are also disclosed.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: January 1, 2002
    Assignee: International Business Machines Corporation
    Inventors: Christos Dimitrios Dimitrakopoulos, Ioannis Kymissis, Sampath Purushothaman
  • Patent number: 6334247
    Abstract: The present invention is directed to a high density test probe which provides a means for testing a high density and high performance integrated circuits in wafer form or as discrete chips. The test probe is formed from a dense array of elongated electrical conductors which are embedded in an compliant or high modulus elastomeric material. A standard packaging substrate, such as a ceramic integrated circuit chip packaging substrate is used to provide a space transformer. Wires are bonded to an array of contact pads on the surface of the space transformer. The space transformer formed from a multilayer integrated circuit chip packaging substrate. The wires are as dense as the contact location array. A mold is disposed surrounding the array of outwardly projecting wires. A liquid elastomer is disposed in the mold to fill the spaces between the wires.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: January 1, 2002
    Assignee: International Business Machines Corporation
    Inventors: Brian Samuel Beaman, Keith Edward Fogel, Paul Alfred Lauro, Maurice Heathcote Norcott, Da-Yuan Shih, George Frederick Walker