Patents Examined by Farid Khan
  • Patent number: 7927913
    Abstract: A method for manufacturing a gel electrolyte pattern is disclosed, the method comprising depositing an electrolyte precursor by inkjet printing onto a gelling agent layer. A gel electrolyte pattern is also disclosed, the gel electrolyte pattern comprising either a mixture of a gelling agent and an electrolyte precursor or the products of a chemical reaction between a gelling agent and an electrolyte precursor.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: April 19, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Thomas Kugler
  • Patent number: 7919359
    Abstract: A semiconductor mounting substrate according to the present invention comprises: a substrate; a semiconductor device, mounted on this substrate; solder bumps, which connect the semiconductor device and the substrate; a first resin, filled in a space between the semiconductor device and the substrate; and electronic components, mounted on a face side of the semiconductor device where the semiconductor device is mounted, wherein bond strength reinforcing resin section is provided at least between a side face in the vicinity of a corner part of the semiconductor device and a substrate surface of the substrate in a position corresponding to the corner part.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: April 5, 2011
    Assignee: Panasonic Corporation
    Inventors: Junichi Kimura, Hideki Niimi, Yuji Fuwa, Tsuyoshi Sakaue
  • Patent number: 7910983
    Abstract: A MOS transistor having an increased gate-drain capacitance is described. One embodiment provides a drift zone of a first conduction type. At least one transistor cell has a body zone, a source zone separated from the drift zone by the body zone, and a gate electrode, which is arranged adjacent to the body zone and which is dielectrically insulated from the body zone by a gate dielectric. At least one compensation zone of the first conduction type is arranged in the drift zone. At least one feedback electrode is arranged at a distance from the body zone, which is dielectrically insulated from the drift zone by a feedback dielectric and which is electrically conductively connected to the gate electrode.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: March 22, 2011
    Assignee: Infineon Technologies Austria AG
    Inventors: Armin Willmeroth, Michael Treu
  • Patent number: 7910926
    Abstract: An electro-optical device includes a switching element with a gate electrode provided opposite to the channel region. The gate electrode has a ring-shaped structure that surrounds a junction region between the channel region and a source/drain region.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: March 22, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Tatsuya Ishii
  • Patent number: 7910482
    Abstract: A method for processing a substrate comprising at least a buried oxide (BOX) layer and a semiconductor material layer is provided. The method includes etching the semiconductor material layer to form a vertical semiconductor material structure overlying the BOX layer, leaving an exposed portion of the BOX layer. The method further includes exposing a top surface of the exposed portion of the BOX layer to an oxide etch resistant species to form a thin oxide etch resistant layer overlying the exposed portion of the BOX layer.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: March 22, 2011
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Tab A. Stephens, Leo Mathew, Lakshmanna Vishnubholta, Bruce E. White
  • Patent number: 7911028
    Abstract: A semiconductor device including a metallic compound Hfx1Moy1Nz1 as an electrode. The work function of the electrode can be modulated by doping the metallic compound with dopants including nitrogen, silicon or germanium. The metallic compound of the present invention is applicable to PMOS, NMOS, CMOS transistors and capacitors.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: March 22, 2011
    Assignee: Nanya Technology Corp.
    Inventors: Shian-Jyh Lin, Chih-Wei Huang, Chao-Sung Lai, Hsing-Kan Peng
  • Patent number: 7910949
    Abstract: A power semiconductor device includes a conductive board and a switching element mounted on the conductive board and electrically connected thereto. The power semiconductor device also includes an integrated circuit mounted on the conductive board at a distance from the switching element and electrically connected thereto. The switching element turns ON/OFF a connection between first and second main electrodes in response to a control signal inputted to a control electrode. The integrated circuit includes a control circuit which controls ON/OFF the switching element and a back side voltage detection element which detects a voltage of the back side of the integrated circuit.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: March 22, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yukio Yasuda, Atsunobu Kawamoto, Shinsuke Goudo
  • Patent number: 7898065
    Abstract: Disclosed are embodiments of a wafer that incorporates fill structures with varying configurations to provide uniform reflectance. Uniform reflectance is achieved by distributing across the wafer fill structures having different semiconductor materials such that approximately the same ratio and density between the different semiconductor materials is achieved within each region and, optimally, each sub-region. Alternatively, it is achieved by distributing across the wafer fill structures, including one or more hybrid fill structure containing varying proportions of different semiconductor materials, such that approximately the same ratio between the different semiconductor materials is achieved within each region and, optimally, each sub-region.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: March 1, 2011
    Assignee: International Business Machines Corporation
    Inventors: Brent A. Anderson, Edward J. Nowak
  • Patent number: 7897455
    Abstract: A semiconductor device manufacturing method includes forming a first insulating film on a semiconductor substrate containing silicon, the first insulating film having a first dielectric constant and constituting a part of a tunnel insulating film, forming a floating gate electrode film on the first insulating film, the floating gate electrode film being formed of a semiconductor film containing silicon, patterning the floating gate electrode film, the first insulating film, and the semiconductor substrate to form a first structure having a first side surface, exposing the first structure to an atmosphere containing an oxidizing agent, oxidizing that part of the floating gate electrode film which corresponds to a boundary between the first insulating film and the floating gate electrode film using the oxidizing agent, to form a second insulating film having a second dielectric constant smaller than the first dielectric constant and constituting a part of the tunnel insulating film.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: March 1, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshio Ozawa, Isao Kamioka
  • Patent number: 7893450
    Abstract: An aspect of the present invention inheres in a semiconductor light-emitting element includes a light-emitting functional stacked body including a light-emitting region having a light-emitting function, and including a light extraction surface for extracting light emitted from the light-emitting region, and an upward convex lens disposed on the light extraction surface.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: February 22, 2011
    Assignee: Sanken Electric Co., Ltd.
    Inventors: Mikio Tazima, Yoshiki Tada, Tetsuji Matsuo
  • Patent number: 7893421
    Abstract: A phase change memory device is presented that has a lower electrode contact that has a gradient resistance profile ranging from a lower resistive lower end to a higher resistive upper end. The phase change memory device includes a semiconductor substrate, a lower electrode contact, and a phase change pattern. The semiconductor substrate has a switching device. The lower electrode contact is formed on the switching device and has a specific resistance which gradually increases from a lower part to an upper part of the lower electrode contact. The phase change pattern layer is formed on the lower electrode contact.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: February 22, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventors: Keum Bum Lee, Hye Jin Seo, Hyung Suk Lee
  • Patent number: 7884344
    Abstract: A phase change memory device resistant to stack pattern collapse is presented. The phase change memory device includes a silicon substrate, switching elements, heaters, stack patterns, bit lines and word lines. The silicon substrate has a plurality of active areas. The switching elements are connected to the active areas. The heaters are connected to the switching elements. The stack patterns are connected to the heaters. The bit lines are connected to the stack patterns. The word lines are connected to the active areas of the silicon substrate.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: February 8, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventor: Heon Yong Chang
  • Patent number: 7867923
    Abstract: A method of depositing a silicon and nitrogen containing film on a substrate. The method includes introducing silicon-containing precursor to a deposition chamber that contains the substrate, wherein the silicon-containing precursor comprises at least two silicon atoms. The method further includes generating at least one radical nitrogen precursor with a remote plasma system located outside the deposition chamber. Moreover, the method includes introducing the radical nitrogen precursor to the deposition chamber, wherein the radical nitrogen and silicon-containing precursors react and deposit the silicon and nitrogen containing film on the substrate. Furthermore, the method includes annealing the silicon and nitrogen containing film in a steam environment to form a silicon oxide film, wherein the steam environment includes water and acidic vapor.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: January 11, 2011
    Assignee: Applied Materials, Inc.
    Inventors: Abhijit Basu Mallick, Srinivas D. Nemani, Ellie Yieh
  • Patent number: 7868313
    Abstract: A phase change memory control ring lower electrode is disclosed. The lower electrode includes an outer ring electrode in thermal contact with a phase change memory element, an inner seed layer disposed within the outer ring electrode and in contact with the phase change memory element, and an electrically conductive bottom layer coupled to the outer ring electrode.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: January 11, 2011
    Assignees: International Business Machines Corporation, Macronix International Co., Ltd.
    Inventors: Matthew J. Breitwisch, Chung H. Lam, Hsiang-Lan Lung, Bipin Rajendran, Alejandro G. Schrott, Yu Zhu
  • Patent number: 7855456
    Abstract: A metal line includes a lower metal line formed on a semiconductor substrate. An insulation layer is formed on the semiconductor substrate having the lower metal line, and a metal line forming region exposing at least a portion of the lower metal line is defined in the insulation layer. A diffusion barrier is formed on a surface of the metal line forming region of the insulation layer and includes a WNx layer, a W—N—B ternary layer, and a Ti—N—B ternary layer. A wetting layer is formed on the diffusion barrier and is made of one of a Ti layer or a TiN layer. An upper metal line is formed on the wetting layer to fill the metal line forming region of the insulation layer.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: December 21, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Baek Mann Kim, Seung Jin Yeom, Dong Ha Jung, Jeong Tae Kim
  • Patent number: 7850818
    Abstract: The disclosure concerns a manufacturing method of a semiconductor device includes dry-etching a semiconductor substrate or a structure formed on the semiconductor substrate; supplying a solution onto the semiconductor substrate; measuring a specific resistance or a conductivity of the supplied solution; and supplying a removal solution for removing the etching residual material onto the semiconductor substrate for a predetermined period of time based on the specific resistance or the conductivity of the solution, when an etching residual material adhering to the semiconductor substrate or the structure is removed.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: December 14, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tsuyoshi Matsumura, Yoshihiro Uozumi, Kunihiro Miyazaki
  • Patent number: 7838906
    Abstract: A semiconductor device 1 includes a substrate 2 having on a main surface thereof a central area and a peripheral area which surrounds the central area and is exposed, a semiconductor layer 4 which is formed on the main surface of the substrate 2, is made of a material harder than the substrate 2, is in the shape of a mesa, and has a steep side over the exposed peripheral area, and an insulating film 12S provided on a side surface of the semiconductor layer 4.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: November 23, 2010
    Assignee: Sanken Electric Co., Ltd.
    Inventors: Ken Sato, Nobuo Kaneko
  • Patent number: 7834387
    Abstract: A first gate stack comprising two stacked gate electrodes in a first device region, a second gate stack comprising a metal gate electrode in a second device region, and a third gate stack comprising a semiconductor gate electrode in a third device region are formed by forming and removing portions of a silicon-oxide based gate dielectric layer, a first doped semiconductor layer, an interfacial dielectric layer, a high-k gate dielectric layer, a metal gate layer, and an optional semiconductor material layer in various device regions. The first gate stack may be employed to form a flash memory, and the second and third gate stacks may be employed to form a pair of p-type and n-type field effect transistors.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: November 16, 2010
    Assignee: International Business Machines Corporation
    Inventors: Roger A. Booth, Jr., Deok-kee Kim, Haining S. Yang, Xiaojun Yu
  • Patent number: 7825458
    Abstract: A nonvolatile semiconductor memory includes a source area and a drain area provided on a semiconductor substrate with a gap which serves as a channel area, a first insulating layer, a charge accumulating layer, a second insulating layer (block layer) and a control electrode, formed successively on the channel area, and the second insulating layer is formed by adding an appropriate amount of high valence substance into base material composed of substance having a sufficiently higher dielectric constant than the first insulating layer so as to accumulate a large amount of negative charges in the block layer by localized state capable of trapping electrons, so that the high dielectric constant of the block layer and the high electronic barrier are achieved at the same time.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: November 2, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuo Shimizu, Koichi Muraoka, Masato Koyama, Shoko Kikuchi
  • Patent number: 7808006
    Abstract: A phosphor has a general formula of (M1-m-nCemEun)3Al2O5X2, wherein M is at least one selected from the group consisting of Ca, Sr and Ba; and X is at least one selected from the group consisting of Cl and Br, while 0<m<1 and 0<n<1.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: October 5, 2010
    Assignee: National Chiao Tung University
    Inventors: Teng-Ming Chen, Chun-Kuei Chang