Patents Represented by Attorney, Agent or Law Firm Daniel R. Pastirik
  • Patent number: 6604985
    Abstract: A process for planarizing, polishing, or providing other modification of a wafer surface or other workpiece. The process includes using an abrasive article having a textured abrasive coating affixed to a backing. The abrasive article includes a monitoring element, such as a window, to allow transmission of radiation therethrough. The radiation level is monitored throughout the planarization process to determine the approach of the desired endpoint. The window in the abrasive coating can be an area devoid of abrasive coating or having minimal or a thinned abrasive coating.
    Type: Grant
    Filed: November 7, 2002
    Date of Patent: August 12, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Michael J. Muilenburg, Chong-Yong J. Kim, Jerry J. Fizel, Richard J. Webb, John J. Gagliardi, Daniel B. Pendergrass, Jr., Robert J. Streifel, Wesley J. Bruxvoort
  • Patent number: 6599602
    Abstract: An article is disclosed that includes a) a first polycarbonate substrate; b) a second polycarbonate substrate; and c) an adhesive composition disposed between the first polycarbonate substrate and the second polycarbonate substrate such that the first polycarbonate substrate is bonded to said second polycarbonate substrate through the adhesive composition; the adhesive composition includes an adhesive polymer that includes the reaction product of 1) an N-vinyl containing monomer selected from the group consisting of N-vinyl caprolactam, N-vinyl pyrrolidone, and N-vinyl imidazole, and combinations thereof, and 2) an acrylic acid ester monomer of a non-tertiary alcohol having an alkyl group that includes 4 to 20 carbon atoms.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: July 29, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Richard E. Bennett, Greggory S. Bennett, Michele A. Craton, Shih-Hung Chou
  • Patent number: 6589299
    Abstract: Described are methods of making electrodes for electrochemical systems, especially cathodes for lithium polymer batteries, and products prepared from the methods; the methods involve the use of a reciprocating extruder, the extrusion of essentially solvent-free systems, or both.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: July 8, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Jeffrey J. Missling, Brian C. Eastin, Tony B. Hollobaugh, Katherine A. Graham
  • Patent number: 6565969
    Abstract: The present invention relates to an adhesive article comprising a bondable layer having on at least one major surface a layer of pressure sensitive adhesive, wherein the bondable layer comprises a thermosetting material, a thermoplastic material, or a hybrid material, wherein the pressure sensitive adhesive layer substantially retains pressure sensitive adhesive characteristics after storage at room temperature for at least about three months prior to bonding the adhesive article, and the adhesive article has a overlap shear measured at room temperature according to ASTM D-1002-94 of at least about 6.9 MPa after bonding as well as a method for making an adhesive article.
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: May 20, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Alain Henri Lamon, Susan C. Noe, Dieter Jung, Juergen Klingen, Jörg von Seggern, Jadwiga Walhoefer, Stefan Weigl, Robert E. Bolitsky
  • Patent number: 6500513
    Abstract: The invention provides a two-part adhesive composition making it possible to mutually bond disk substrates within a relatively short time and to produce an optical disk, and an optical disk having a metal film, corrosion of which is restricted under a high-temperature high-humidity condition, and which is produced by using the two-part adhesive composition. A two-part adhesive composition of the invention comprises first and second parts each containing urethane acrylate having a polytetramethylene glycol skeleton and an acrylate having a hydroxyl group in its molecule, wherein the first part further contains a diacyl peroxide and the second part further contains a tertiary amine. Organic peroxide is preferably diacyl peroxide and a setting promoter is preferably a tertiary amine. Either one, or both, of the first and second parts may further contain a photo-polymerization initiator.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: December 31, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Sana Fujii, Sumita B. Mitra, Katsuya Takamori, Kazuta Saito
  • Patent number: 6436532
    Abstract: Disclosed is a novel, multi-stage irradiation process for the production of an acrylic-based adhesive or pressure-sensitive adhesive tape. The first irradiation step or stage employs electromagnetic radiation at a relatively low average intensity (i.e., 0.1 to 20 mW/cm2) and the subsequent step employs electromagnetic radiation at a relatively higher average intensity (i.e., greater than 20 mW/cm2.) Also disclosed are acrylic-based psa tape materials made by the novel process.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: August 20, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: John D. Moon, Louise A. Ziegler, George F. Vesley, Robert C. Mehner, Mark S. Edberg, Robert D. Anderson
  • Patent number: 6428933
    Abstract: A lithium ion battery that includes: (a) a cathode; (b) an anode in the form of a thin film which, when lithiated, does not exhibit sustained self-heating at temperatures up to about 100° C.; and (c) an electrolyte separating the anode and the cathode. The battery has a capacity of at least 600 milliamp-hours, a specific energy of at least 100 watt-hours/kg, and a volumetric energy of at least 250 watt-hours/liter.
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: August 6, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Leif Christensen, Robert L. Turner
  • Patent number: 6416838
    Abstract: The present invention relates to a composition comprising a first monomer having the formula CH2═CHCOOR1, where R1 is a linear alkyl group having from 9 to 16 carbon atoms or a branched alkyl group having from 9 to 30 carbon atoms, and whose homopolymer has a Tg less than 0° C.; and/or a second monomer having the formula CH2═CHCOOR2, where R2 is an alkyl group having at least 9 carbon atoms whose homopolymer has a Tg greater than 15° C.; and a third component which may be another monomer, a polymer, surface-modified particles, or combinations thereof as well as article comprising the composition.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: July 9, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: David S. Arney, Richard E. Bennett, Babu N. Gaddam, Steven M. Heilmann, Brant U. Kolb, Larry R. Krepski, David B. Olson
  • Patent number: 6410667
    Abstract: Initiator systems of the invention comprise a complexed initiator comprising a complex of an amidine complexing agent and an initiator; and a decomplexer. The initiator systems are useful for initiating polymerization of at least one monomer to form polymerized compositions. Kits of the invention useful for forming the polymerized compositions comprise a polymerizable composition and an initiator component, wherein the initiator component comprises a complexed amidine initiator. Bonding compositions can be prepared by mixing the polymerizable composition of the kit with the respective initiator component.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: June 25, 2002
    Assignee: 3M Innovative Properties Company
    Inventor: Dean M. Moren
  • Patent number: 6384165
    Abstract: A composition comprises organoborane amine complex and 1,4-dioxo-2-butene-functional material. The composition can form a part of a polymerization initiator system that also includes a compound that is reactive with the amine portion of the complex. The system can be used to initiate polymerization of acrylic monomer and to form an acrylic adhesive that has exceptionally good adhesion to low surface energy polymers.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: May 7, 2002
    Assignee: 3M Innovative Properties Co.
    Inventor: Dean M. Moren
  • Patent number: 6321483
    Abstract: A fly fishing line and a method for the manufacture of the line is described. The line comprises a core and an outer coating disposed around the core, the coating comprising polyvinyl chloride polymer, polytetrafluoroethylene and optionally polyacrylate derived from the polymerization of a polyfunctional polymerizable acrylate monomer. The method comprises coating a core with a plastisol comprising a polyvinyl chloride resin polytetrafluoroethylene, and optionally one or more of the foregoing monomers; exposing the plastisol to conditions providing formation of a polymer derived from the polyvinyl chloride resin and having polytetrafluoroethylene dispersed throughout the polymer.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: November 27, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Del A. Kauss, Bruce W. Richards
  • Patent number: 6251002
    Abstract: Surface treating articles and methods for the manufacture of such articles are provided. The articles of the invention comprise a rotatable core; a plurality of surface treating segments, the segments having first ends adjacent the core and second ends opposite the first ends; and a cured, expanded adhesive composition bonding the surface treating segment to the core, the adhesive composition comprising (a) an organic epoxide compound having an epoxide functionality of at least 1, (b) an epoxide hardener, (c) a film-forming material, and (d) a foaming agent; wherein the expanded adhesive provides a substantially continuous bond area extending from the core into and around the first end of the segments.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: June 26, 2001
    Assignee: 3M Innovative Properties Company
    Inventor: Thomas E. Close
  • Patent number: 6231629
    Abstract: An abrasive article is provided which comprises a backing; and at least one three-dimensional abrasive coating comprising diamond particles dispersed within a binder bonded to a surface of the backing, the binder comprising a cured binder precursor including a urethane acrylate oligomer. The abrasive article is capable of rapid glass stock removal coupled with reducing the surface finish as indicated by reduced Ra values using an RPP test procedure.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: May 15, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Todd J. Christianson, David D. Nguyen, Robert G. Visser, Soon C. Park
  • Patent number: 6217413
    Abstract: A coated abrasive article having a backing and an abrasive layer coated on the first major surface of the backing, wherein a cross-section of the abrasive layer normal to the thickness and at a center point of the thickness has a total cross-sectional area of abrasive agglomerates which is substantially the same as that at a point along the thickness which is 75% of a distance between the center point and the contact side; a coated abrasive article having a bond system with a Knoop hardness number of at least 70; a coated abrasive article comprising abrasive agglomerates in the shape of a truncated four-sided pyramid; a method of making the coated abrasive article; and a method of abrading a hard workpiece using a coated abrasive article.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: April 17, 2001
    Assignee: 3M Innovative Properties Company
    Inventor: Todd J. Christianson
  • Patent number: 6203944
    Abstract: An electrode for a lithium battery that includes (a) an electrochemically active metal element which, prior to cycling, is in the form of an intermetallic compound or an elemental metal and (b) a non-electrochemically active metal element. The electrode have high initial capacities that are retained even after repeated cycling. The electrode also exhibit high coulombic efficiencies.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: March 20, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Robert L. Turner, Donald J. McClure, Larry J. Krause, Mary M. Buckett, Jeffery R. Dahn, Ou Mao
  • Patent number: 6194317
    Abstract: This invention pertains to a method of modifying or refining a surface of a wafer suited for semiconductor fabrication. This method may be used to modify a wafer having an unmodified, exposed surface comprised of a layer of a second material deployed over at least one discrete feature of a first material attached to the wafer. A first step of this method comprises contacting and relatively moving the exposed surface of the wafer with respect to an abrasive article, wherein the abrasive article comprises an exposed surface of a plurality of three-dimensional abrasive composites comprising a plurality of abrasive particles fixed and dispersed in a binder and maintaining contact to effect removal of the second material. In a second step, the contact and relative motion are continued until an exposed surface of the wafer has at least one area of exposed first material and at least one area of exposed second material.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: February 27, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: David A. Kaisaki, Heather K. Kranz, Thomas E. Wood, L. Charles Hardy
  • Patent number: 6171723
    Abstract: Approaches are described for producing porous, polymer electrodes with good characteristics for incorporation into polymer batteries. Two preferred processes are presented. The polymer electrodes can be subjected to additional processing to increase their porosity and electrical conductivity. The polymer electrodes preferably are incorporated into a polymer battery where the components are laminated together.
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: January 9, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Robert B. Loch, James M. Larson, Brian D. Fredericksen
  • Patent number: 6143268
    Abstract: A method for making a carbonaceous material suitable for use as an electrode composition that includes contacting pyrolyzed organic material with hydrocarbon gas for a period and at a temperature sufficient to produce a carbonaceous material characterized such that when the carbonaceous material is incorporated into an electrode composition of a lithium-ion cell, the cell exhibits a reversible capacity of at least about 400 mAH/g of carbonaceous material and an irreversible capacity no greater than about 140 mAH/g of carbonaceous material, the capacities being measured up to the point of plating of metallic lithium on the surface of the carbonaceous material.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: November 7, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Jeffery R. Dahn, Eddie R. P. Buiel
  • Patent number: 6143216
    Abstract: Approaches are described for producing porous, polymer electrodes with good characteristics for incorporation into polymer batteries. Two preferred processes are presented. The polymer electrodes can be subjected to additional processing to increase their porosity and electrical conductivity. The polymer electrodes preferably are incorporated into a polymer battery where the components are laminated together.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: November 7, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Robert B. Loch, James M. Larson, Brian D. Fredericksen
  • Patent number: 6121143
    Abstract: This invention relates to fixed abrasive articles and abrasive constructions containing at least one fluorochemical agent. The fixed abrasive articles and abrasive constructions are used in semiconductor wafer surface modification processes during the fabrication of semiconductor devices. Specifically, fixed abrasive articles comprise an abrasive composite that is coextensive with a backing and at least one fluorochemical agent associated with the composite. The invention further relates to methods of making fixed abrasive articles comprising at least one fluorochemical agent.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: September 19, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Robert P. Messner, Carl R. Kessel, George G. Moore