Patents by Inventor Hung T. Nguyen
Hung T. Nguyen 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: 20130268045Abstract: Segmented scaffolds composed of disconnected scaffold segments are disclosed. System of and methods for delivery of the segmented scaffolds are disclosed.Type: ApplicationFiled: April 6, 2012Publication date: October 10, 2013Inventors: John E. Papp, Hung T. Nguyen, Justin K. Elerath, Dion I. Herabadi, Michael T. Martins, Kirsten S. King, Scott H. Mueller, Coeta K. Peloquin, Stephen D. Pacetti
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Patent number: 8539663Abstract: A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the catheter by a multi-step process for increasing scaffold-catheter yield following a crimping sequence. Damage reduction during a crimping sequence includes modifying blades of a crimper, adopting a multi-step crimping sequence, and inflating a supporting balloon to support the scaffold during crimping.Type: GrantFiled: August 23, 2010Date of Patent: September 24, 2013Assignee: Abbott Cardiovascular Systems Inc.Inventors: Yunbing Wang, Luis Vazquez, Hung T. Nguyen, Scott H. Mueller, Kathleen Yan
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Patent number: 8429831Abstract: A coating device for coating a medical device with a drug-eluting material uses an in-process drying station between coats to improve a drug release profile. The drying station includes a heat nozzle configured for applying a uniform drying gas. A coating process using the dryer includes a closed-loop control for the gas between drying steps and an improved nozzle for producing more consistent spray patterns.Type: GrantFiled: September 4, 2009Date of Patent: April 30, 2013Assignee: Abbott Cardiovascular Systems Inc.Inventors: Matthew J. Gillick, John E. Papp, Kevin Seiki, Hung T. Nguyen
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Publication number: 20120225186Abstract: A mechanism for preventing or inhibiting bubbles of dissolved gasses from outgassing due to phase change phenomenon of the pressure differential inside a liquid-filled incompressible line can be provided. This mechanism may be useful in a variety of applications, such as coating of stents and scaffolds.Type: ApplicationFiled: March 2, 2011Publication date: September 6, 2012Applicant: Abbott Cardiovascular Systems Inc.Inventors: Hung T. Nguyen, Scott Mueller, Ronald Farnbach, John Papp, Matthew Gillick
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Publication number: 20120113559Abstract: Embodiments of the invention relate to methods and apparatus for minimizing electrostatic discharge in processing and testing systems utilizing large area substrates in the production of flat panel displays, solar panels, and the like. In one embodiment, an apparatus is described. The apparatus includes a testing chamber, a substrate support disposed in the testing chamber, the substrate support having a substrate support surface, a structure disposed in the testing chamber, the structure having a length that spans a width of the substrate support surface, the structure being linearly movable relative to the substrate support, and a brush device having a plurality of conductive bristles coupled to the structure and spaced a distance away from the substrate support surface of the substrate support, the brush device electrically coupling the support surface to ground through the structure.Type: ApplicationFiled: November 3, 2011Publication date: May 10, 2012Applicant: APPLIED MATERIALS, INC.Inventors: Hung T. Nguyen, George Tzeng, Daniel I. Handjojo, Paul Bocian, Matthias Brunner, Bernhard G. Mueller
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Patent number: 8146314Abstract: The prefabricated universal structural steel panel and panel system includes a generally elongated rectangular panel having an opposed exterior and interior surfaces, an opposed first and second end portions, and an opposed first and second side edge portions. At least two stiffening ribs are integrally formed in the panel and extend longitudinally between the first and second end portions. The first side edge portion has a beveled configuration and is integrally connected to an elongated male connecting member. An elongated female connecting member is integrally connected to the second side edge portion and extends adjacent the interior surface to define a fold. The elongated male connecting member of one panel is cooperatively profiled to mate with the female connecting member of an adjacent panel.Type: GrantFiled: February 21, 2007Date of Patent: April 3, 2012Inventor: Hung T. Nguyen
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Publication number: 20120073733Abstract: Methods for making scaffolds for delivery via a balloon catheter are described. The scaffold, after being deployed by the balloon, provides a crush recovery of about 90% after the diameter of the scaffold has been pinched or crushed by 50%. The scaffold structure has patterns that include an asymmetric or symmetric closed cell, and links connecting such closed cells.Type: ApplicationFiled: April 19, 2011Publication date: March 29, 2012Applicant: Abbott Cardiovascular Systems Inc.Inventors: Michael H. Ngo, Mikael Trollsas, John E. Papp, Hung T. Nguyen, Dudley Jayasinghe, Ron Farnbach, Gregory C. Orr, Joshua Smith, Yongjin Xie, Yu-Chun Ku
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Publication number: 20120042501Abstract: A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the catheter by a multi-step process for increasing scaffold-catheter yield following a crimping sequence. Damage reduction during a crimping sequence includes modifying blades of a crimper, adopting a multi-step crimping sequence, and inflating a supporting balloon to support the scaffold during crimping.Type: ApplicationFiled: August 23, 2010Publication date: February 23, 2012Applicant: Abbott Cardiovascular Systems Inc.Inventors: Yunbing Wang, Luis Vazquez, Hung T. Nguyen, Scott H. Mueller, Kathleen Yan
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Patent number: 8033772Abstract: A transfer chamber for a substrate processing tool includes a main body having side walls adapted to couple to at least one processing chamber and at least one load lock chamber. The main body houses at least a portion of a robot adapted to transport a substrate between the processing chamber and the load lock chamber. A lid couples to and seals a top of the main body of the transfer chamber. The transfer chamber also has a domed bottom adapted to couple to and to seal a bottom portion of the main body of the transfer chamber.Type: GrantFiled: March 21, 2006Date of Patent: October 11, 2011Assignee: Applied Materials, Inc.Inventors: Shinichi Kurita, Emanuel Beer, Hung T. Nguyen, Wendell T. Blonigan
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Patent number: 7973546Abstract: A method for testing a plurality of electronic devices formed on a large area substrate is described. In one embodiment, the method includes transferring a substrate on an end effector relative to a testing platform having a plurality of testing columns coupled thereto, the substrate having a plurality of electronic devices located thereon, and moving the substrate in a single directional axis relative to an optical axis of each of the plurality of testing columns, the single directional axis being substantially orthogonal to the optical axis to define a test area on the substrate, wherein the test area is configured to cover an entire length or an entire width of the substrate such that the testing columns are capable of testing the entire substrate as the substrate is moved through the test area.Type: GrantFiled: June 29, 2010Date of Patent: July 5, 2011Assignee: Applied Materials, Inc.Inventors: Fayez E. Abboud, Sriram Krishnaswami, Benjamin M. Johnston, Hung T. Nguyen, Matthias Brunner, Ralf Schmid, John M. White, Shinichi Kurita, James C. Hunter
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Patent number: 7919972Abstract: A system and method for supporting and transferring a substrate relative to a plurality of testing columns are provided. The system includes a testing table adapted to support and move the substrate relative to the plurality of testing columns. The testing table may include an end effector disposed therein to transfer the substrate relative to an upper surface of the testing table. The method includes transferring the substrate to the testing table and moving the substrate relative to the plurality of testing columns. Signals indicative of electronic device performance are sensed to determine operability of the devices on the substrate.Type: GrantFiled: January 18, 2008Date of Patent: April 5, 2011Assignee: Applied Materials, Inc.Inventors: Shinichi Kurita, Emanuel Beer, Hung T. Nguyen, Benjamin Johnston, Fayez E. Abboud
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Publication number: 20110059228Abstract: A coating device for coating a medical device with a drug-eluting material uses an in-process drying station between coats to improve a drug release profile. The drying station includes a heat nozzle configured for applying a uniform drying gas. A coating process using the dryer includes a closed-loop control for the gas between drying steps and an improved nozzle for producing more consistent spray patterns.Type: ApplicationFiled: September 4, 2009Publication date: March 10, 2011Applicant: Abbott Cardiovascular Systems Inc.Inventors: Matthew J. GILLICK, John E. PAPP, Kevin SEIKI, Hung T. NGUYEN
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Publication number: 20100327162Abstract: A method and apparatus for testing a plurality of electronic devices formed on a large area substrate is described. In one embodiment, the apparatus performs a test on the substrate in one linear axis in at least one chamber that is slightly wider than a dimension of the substrate to be tested. Clean room space and process time is minimized due to the smaller dimensions and volume of the system.Type: ApplicationFiled: June 29, 2010Publication date: December 30, 2010Inventors: FAYEZ E. ABBOUD, Sriram Krishnaswami, Benjamin M. Johnston, Hung T. Nguyen, Matthias Brunner, Ralf Schmid, John M. White, Shinichi Kurita, James C. Hunter
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Patent number: 7786742Abstract: An apparatus and method for testing large area substrates is described. The large area substrates include patterns of displays and contact points electrically coupled to the displays on the large area substrate. The apparatus includes a prober assembly that is movable relative to the large area substrate and/or the contact points, and may be configured to test various patterns of displays and contact points on various large area substrates. The prober assembly is also configured to test fractional sections of the large area substrate positioned on a testing table, and the prober assembly may be configured for different display and contact point patterns without removing the prober assembly from the testing table.Type: GrantFiled: May 9, 2007Date of Patent: August 31, 2010Assignee: Applied Materials, Inc.Inventors: Sriram Krishnaswami, Matthias Brunner, William Beaton, Yong Liu, Benjamin M. Johnston, Hung T. Nguyen, Ludwig Ledl, Ralf Schmid
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Patent number: 7746088Abstract: A method and apparatus for testing a plurality of electronic devices formed on a large area substrate is described. In one embodiment, the apparatus performs a test on the substrate in one linear axis in at least one chamber that is slightly wider than a dimension of the substrate to be tested. Clean room space and process time is minimized due to the smaller dimensions and volume of the system.Type: GrantFiled: April 10, 2009Date of Patent: June 29, 2010Assignee: Applied Materials, Inc.Inventors: Fayez E. Abboud, Sriram Krishnaswami, Benjamin M. Johnston, Hung T. Nguyen, Matthias Brunner, Ralf Schmid, John M. White, Shinichi Kurita, James C. Hunter
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Patent number: 7735710Abstract: A method and apparatus for supporting a substrate is generally provided. In one aspect, an apparatus for supporting a substrate includes a support plate having a first body disposed proximate thereto. A first pushing member is radially coupled to the first body and adapted to urge the substrate in a first direction parallel to the support plate when the first body rotates. In another aspect, a load lock chamber having a substrate support that supports a substrate placed thereon includes a cooling plate that is moved to actuate at least one alignment mechanism. The alignment mechanism includes a pushing member that urges the substrate in a first direction towards a center of the support. The pushing member may additionally rotate about an axis perpendicular to the first direction.Type: GrantFiled: November 16, 2004Date of Patent: June 15, 2010Assignee: Applied Materials, Inc.Inventors: Shinichi Kurita, Wendell T. Blonigan, Suhail Anwar, Toshio Kiyotake, Hung T. Nguyen
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Publication number: 20100104734Abstract: A coated implantable medical device and a method of coating an implantable medical device is disclosed, the method includes applying a composition onto the device and drying the composition at elevated temperature in an environment having increased relative humidity. A pre-screening method for a manufacturing lot of coated stents to determine the number of drug coating layers for a desired drug release rate is disclosed. The method including coating and testing small groups of stents, and applying the results of the tests to determine the number of drug coating layers to apply to the manufacturing lot of stents.Type: ApplicationFiled: September 18, 2009Publication date: April 29, 2010Inventors: Dennis R. Orosa, John E. Papp, Hung T. Nguyen, Stephen D. Pacetti, Dudley Shelton Jayasinghe, Mathew J. Gillick
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Publication number: 20100098518Abstract: A load lock chamber sized for a large area substrate is provided. The load lock chamber includes a housing comprising a door and a body having at least two sealable ports, a movable door associated with at least one of the sealable ports, and a door actuation assembly coupled between the door and the housing. The door actuation assembly further includes a pair of first actuators coupled to the door for moving the door in a first direction, and a pair of second actuators for moving the door in a second direction that is orthogonal to the first direction.Type: ApplicationFiled: October 20, 2008Publication date: April 22, 2010Applicant: APPLIED MATERIALS, INC.Inventors: Hung T. Nguyen, George Tzeng, Daniel I. Handjojo, Lawrence T. Nguyen, Jonathan Cerezo
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Patent number: 7602199Abstract: An apparatus and method for testing large area substrates is described. The large area substrates include patterns of displays and contact points electrically coupled to the displays. The apparatus includes a prober assembly that is movable relative to the large area substrate and may be configured to test various patterns of displays and contact points. The prober assembly is also configured to test fractional sections of the large area substrate. The apparatus also includes a test chamber configured to store at least two prober assemblies within an interior volume.Type: GrantFiled: May 9, 2007Date of Patent: October 13, 2009Assignee: Applied Materials, Inc.Inventors: Benjamin M. Johnston, Sriram Krishnaswami, Hung T. Nguyen, Matthias Brunner, Yong Liu
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Publication number: 20090195262Abstract: A method and apparatus for testing a plurality of electronic devices formed on a large area substrate is described. In one embodiment, the apparatus performs a test on the substrate in one linear axis in at least one chamber that is slightly wider than a dimension of the substrate to be tested. Clean room space and process time is minimized due to the smaller dimensions and volume of the system.Type: ApplicationFiled: April 10, 2009Publication date: August 6, 2009Inventors: Fayez E. Abboud, Sriram Krishnaswami, Benjamin M. Johnston, Hung T. Nguyen, Matthias Brunner, Ralf Schmid, John M. White, Shinichi Kurita, James C. Hunter