Patents Examined by W. Wendy Kuo
  • Patent number: 7626236
    Abstract: A transistor device may comprise a source having a first ferromagnetic contact thereto, a drain having a second ferromagnetic contact thereto, an electrically conductive gate positioned over a channel region separating the source and the drain, and an electrically insulating layer disposed between the gate and the channel region. The first and second ferromagnetic contacts have anti-parallel magnetic orientations relative to each other. The electrically insulating layer includes a number of paramagnetic impurities each having two spin states such that electrons interacting with the paramagnetic impurities cause the paramagnetic impurities to flip between the two spin states.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: December 1, 2009
    Assignee: Purdue Research Foundation
    Inventors: Supriyo Datta, Sayeef Salahuddin
  • Patent number: 7622805
    Abstract: Multiple semiconductor device components and passive device components fixed to a substrate are embedded within an electroconductive-film/insulating-resin-film structure, and are thermally bonded to an insulating resin film.
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: November 24, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Ryosuke Usui, Yasunori Inoue
  • Patent number: 7615783
    Abstract: A thin film transistor array substrate is provided. The substrate includes an insulating substrate, a first signal line formed on the insulating substrate, a first insulating layer formed on the first signal line, a second signal line formed on the first insulating layer while crossing over the first signal line, a thin film transistor connected to the first and the second signal lines, a second insulating layer formed on the thin film transistor, the second insulating layer having dielectric constant about 4.0 or less, and the second insulating layer having a first contact hole exposing a predetermined electrode of the thin film transistor, and a first pixel electrode formed on the second insulating layer while being connected to the predetermined electrode of the thin film transistor through the first contact hole.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: November 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-Hoo Choi, Wan-Shick Hong, Dae-Jin Kwon, Kwan-Wook Jung, Sang-Gab Kim, Kyu-Ha Jung
  • Patent number: 7615835
    Abstract: A semiconductor device comprises a package having a cavity in the interior thereof, a chip having a semiconductor element, a board having the chip fixed to a first region on the upper face thereof, and an adhesive portion formed in a second region on the bottom face of the board in order to fix the board to a first face of the cavity, the second region being a region on the board other than the region thereof underneath the first region.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: November 10, 2009
    Assignee: Oki Semiconductor Co., Ltd.
    Inventor: Kengo Takemasa
  • Patent number: 7612378
    Abstract: A silicon nitride film and a silicon oxide film are formed on a glass substrate. On the silicon oxide film is formed a thin film transistor including a source region, a drain region, a channel region having a predetermined channel length, an LDD region and GOLD region having an impurity concentration higher than the impurity concentration of the channel region and lower than the impurity concentration of the source and drain regions, a gate insulation film, and a gate electrode. The gate electrode is formed to overlap in plane with the channel region and the GOLD region. Accordingly, a semiconductor device and an image display apparatus directed to improving source-drain breakdown voltage are obtained.
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: November 3, 2009
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yoshihiko Toyoda, Naoki Nakagawa, Taro Yoshino
  • Patent number: 7605070
    Abstract: Disclosed are a contact plug of a semiconductor device and a method for fabricating the same. The semiconductor device includes: an epitaxial stack formed by inserting a heteroepitaxy layer between a pair of homoepitaxy layers; and a contact plug including a metal layer on the epitaxial stack. Accordingly, in accordance with the present invention, the contact plug is selectively doped in a high concentration, thereby reducing a contact resistance. Furthermore, the present invention also provides an effect of reducing degradation in a device property without decreasing yields of products by minimizing a thermal budget through using a SEG-silicon germanium layer capable of obtaining a high doping concentration and a high deposition speed.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: October 20, 2009
    Assignee: Hynix Semiconductor, Inc.
    Inventor: Young-Ho Lee
  • Patent number: 7605395
    Abstract: A thin film transistor substrate includes an insulating substrate, a gate electrode formed on the insulating substrate, a first gate insulating film formed on the gate electrode and having an opening for exposing at least part of the gate electrode, a second gate insulating film covering the gate electrode exposed by the opening and having a larger dielectric constant than the first gate insulating film, a source electrode and a drain electrode disposed apart from each other in a central area of the second gate insulating film and defining a channel region there between, and an organic semiconductor layer formed in the channel region. A method for forming the TFT substrate is also provided. Thus, the present invention provides a TFT substrate in which a characteristic of a TFT is improved.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: October 20, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Keun-kyu Song, Yong-uk Lee, Mun-pyo Hong, Tae-young Choi, Joon-hak Oh, Bo-sung Kim, Soo-jin Kim, Young-min Kim
  • Patent number: 7605409
    Abstract: A semiconductor device includes first and second unit circuits. Each first unit circuit has first transistors connected in series, wherein each of the first transistors includes a first gate structure having a pitch. Each second unit circuit has second transistors connected in series, wherein each of the second transistors includes a second gate structure having the pitch. A third transistor and a fourth transistor electrically isolate each of the first and second unit circuits, respectively. An insulation layer covers the first through the fourth transistors. Plugs in the insulation layer are connected to a first gate structure, a second gate structure, a first source region, a first drain region, a second source region or a second drain region. A wiring is connected to the plugs.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: October 20, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soon-Hong Ahn, Sang-Pyo Hong
  • Patent number: 7602017
    Abstract: Low voltage, middle voltage and high voltage CMOS devices have upper buffer layers of the same conductivity type as the sources and drains that extend under the sources and drains and the gates but not past the middle of the gates, and lower bulk buffer layers of the opposite conductivity type to the upper buffer layers extend from under the upper buffer layers to past the middle of the gates forming an overlap of the two bulk buffer layers under the gates. The upper buffer layers and the lower bulk buffer layers can be implanted for both the NMOS and PMOS FETs using two masking layers. For middle voltage and high voltage devices the upper buffer layers together with the lower bulk buffer layers provide a resurf region.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: October 13, 2009
    Assignee: Fairchild Semiconductor Corporation
    Inventor: Jun Cai
  • Patent number: 7598543
    Abstract: A semiconductor memory component comprises at least one memory cell. The memory cell comprises a semiconductor body comprised of a body region, a drain region and a source region, a gate dielectric, and a gate electrode. The body region comprises a first conductivity type and a depression between the source and drain regions, and the source and drain regions comprise a second conductivity type. The gate electrode is arranged at least partly in the depression and is insulated from the body, source, and drain regions by the gate dielectric. The body region further comprises a first continuous region with a first dopant concentration and a second continuous region with a second dopant concentration greater than the first dopant concentration. The first continuous region adjoins the drain region, the depression and the source region, and the second region is arranged below the first region and adjoins the first region.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: October 6, 2009
    Assignee: Qimonda AG
    Inventors: Franz Hofmann, Richard Johannes Luyken, Wolfgang Roesner, Michael Specht, Martin Staedele
  • Patent number: 7595530
    Abstract: A single crystal semiconductor layer of a first conduction type is disposed on a surface of a semiconductor substrate. A plurality of trenches are provided in the semiconductor layer to form a plurality of first semiconductor regions of the first conduction type at intervals in a direction parallel to the surface. An epitaxial layer is buried in the plurality of trenches to form a plurality of second semiconductor regions of a second conduction type. The plurality of second semiconductor regions each includes an outer portion with a high impurity concentration formed against an inner wall of the trench, and an inner portion with a low impurity concentration formed inner than the outer portion.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: September 29, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenichi Tokano, Tetsuo Matsuda, Wataru Saito
  • Patent number: 7592646
    Abstract: A semiconductor device includes a MIS transistor. The device includes a buried insulating film formed in one part of a substrate, the buried insulating film being elongated in a gate-width direction and shortened in a gate-length direction of the MIS transistor. A first semiconductor layer is formed on the buried insulating film and has uniaxial lattice strain. A second semiconductor layer covers both sides of the buried insulating film and both sides of the first semiconductor layer, the sides being opposite in the gate-length direction. A gate electrode is formed on the first semiconductor layer with a gate insulating film being formed between the gate electrode and the first semiconductor layer. A source region and a drain region are formed in the second semiconductor layer.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: September 22, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Toshinori Numata
  • Patent number: 7589390
    Abstract: A shielded through-via that reduces the effect of parasitic capacitance between the through-via and surrounding wafer while providing high isolation from neighboring signals. A shield electrode is formed in the insulating region and spaced apart from the through-via. A coupling element couples at least the time-varying portion of the signal carried on the through-via to the shield electrode. This reduces the effect of any parasitic capacitance between the through-via and the shield electrode, hence the surrounding wafer.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: September 15, 2009
    Assignee: Teledyne Technologies, Incorporated
    Inventor: Jun Jason Yao
  • Patent number: 7586167
    Abstract: A sensor device includes a substrate having first and second regions of first and second conductivity types, respectively. A junction having a band-gap is formed between the first and second regions. A plasmon source generates plasmons having fields. At least a portion of the plasmon source is formed near the junction, and the fields reduce the band-gap to enable a current to flow through the device.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: September 8, 2009
    Assignee: Virgin Islands Microsystems, Inc.
    Inventors: Jonathan Gorrell, Mark Davidson
  • Patent number: 7582946
    Abstract: A semiconductor device is configured that a high-withstand voltage semiconductor device (101) and logic circuits (201 and 301) are integrated on a single chip and that a high-withstand voltage high-potential island (402) including the high-potential-side logic circuit (301) is separated using multiple partition walls enclosing therearound. The semiconductor device is provided with a multi-trench separation region (405) having a level shift wire region (404) that is used to connect the high-potential-side logic circuit to the high-potential-side electrode of the high-withstand voltage semiconductor device.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: September 1, 2009
    Assignee: Mitsubishi Denki Kabuhsiki Kaisha
    Inventor: Kazuhiro Shimizu
  • Patent number: 7579249
    Abstract: Provided are a DRAM semiconductor device and a method for fabricating the DRAM semiconductor device. The method provides forming a silicon epitaxial layer on a source/drain region of a cell region and a peripheral circuit region using selective epitaxial growth (SEG), thereby forming a raised active region. In addition, in the DRAM semiconductor device, a metal silicide layer and a metal pad are formed on the silicon epitaxial layer in the source/drain region of the cell region. By doing this, the DRAM device is capable of forming a source/drain region as a shallow junction region, reducing the occurrence of leakage current and lowering the contact resistance with the source/drain region.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: August 25, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul-sung Kim, Byeong-chan Lee, Jong-ryeol Yoo, Si-young Choi, Deok-hyung Lee
  • Patent number: 7576736
    Abstract: A pixel structure for a vertical emissive-reflective (emi-flective) display is provided. The pixel structure has a substrate, a self-light emitting pixel unit arranged on the substrate, and a reflective pixel unit arranged on the self-light emitting pixel unit. By using the vertical pixel structure, the aperture of the display can be increased, and the power consumption can also be decreased.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: August 18, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Yung-Hui Yeh, Yu-Wu Wang, Chih-Ming Lai, Chi-Chang Liao, Hsing-Lung Wang
  • Patent number: 7576412
    Abstract: In a wafer (1) with chips (2) and elongate separating zones (4) between the chips (2), each chip (2) comprises at least one sawing loop (6), which sawing loop (6) comprises two protecting strips (17, 18) projecting from a planar protecting layer (16) of the chip (2), wherein said protecting strips (17, 18) are widened by means of wider strip portions (26, 27, 28, 29) where they emerge from the planar protecting layer (16), and wherein the protecting strips (17, 18) and the planar protecting layer (16) are provided with weak spots (31, 32, 34) serving as envisaged breakage points.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: August 18, 2009
    Assignee: NXP B.V.
    Inventor: Scheucher Heimo
  • Patent number: 7576358
    Abstract: A display panel includes a plurality of sets of transistors which are formed on an upper side of a substrate. An insulating film is formed to cover upper surfaces of the transistors and has a plurality of trenches formed in an upper surface thereof. A plurality of first interconnections are buried in the trenches. An interconnection insulating film covers upper surfaces of the first interconnections. A plurality of second interconnections are provided on an upper side of the interconnection insulating film. Each of a plurality of pixel electrodes is provided between two adjacent interconnections of the second interconnections. Each of a plurality of light-emitting layers is provided on one of the pixel electrodes. A counter electrode is provided on the light-emitting layers.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: August 18, 2009
    Assignee: Casio Computer Co., Ltd.
    Inventors: Tomoyuki Shirasaki, Tadahisa Tohyama, Jun Ogura
  • Patent number: 7576003
    Abstract: A high tensile stress capping layer on Cu interconnects in order to reduce Cu transport and atomic voiding at the Cu/dielectric interface. The high tensile dielectric film is formed by depositing multiple layers of a thin dielectric material, each layer being under approximately 50 angstroms in thickness. Each dielectric layer is plasma treated prior to depositing each succeeding dielectric layer such that the dielectric cap has an internal tensile stress.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: August 18, 2009
    Assignee: International Business Machines Corporation
    Inventors: Chih-Chao Yang, Haining Yang, Keith Kwong Hon Wong