Patents Examined by W. Wendy Kuo
  • Patent number: 7821035
    Abstract: A second semiconductor layer of a second nitride-based compound semiconductor with a wider bandgap formed on a first semiconductor layer of a first nitride-based compound semiconductor with a smaller bandgap includes an opening, on which a gate insulating layer is formed at a portion exposed through the opening. A first source electrode and a first drain electrode formed across a first gate electrode make an ohmic contact to the second semiconductor layer. A second source electrode and a second drain electrode formed across a second gate electrode that makes a Schottky contact to the second semiconductor layer make an ohmic contact to the second semiconductor layer.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: October 26, 2010
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Takehiko Nomura, Hiroshi Kambayashi, Yuki Niiyama, Seikoh Yoshida
  • Patent number: 7821070
    Abstract: Trig modulation electrostatic discharge (ESD) protection devices are presented. An ESD protection device includes a semiconductor substrate. A high voltage N-well (HVNW) region is formed in the semiconductor substrate. An NDD region, a first P-body region and a second P-body region are formed in the HVNW region, wherein the first P-body region is separated from the second P-body region with a predetermined distance, and wherein the NDD region is isolated from the first P-body region with an isolation region. An N+ doped source region is disposed in the NDD region. An N+ doped region is disposed in the first P-body region. A P+ doped region is disposed in the second P-body region. A first gate is disposed between the N+ doped region and the isolation region, and a second gate is disposed between the N+ doped region and the P+ doped region.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: October 26, 2010
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Yeh-Ning Jou, Hwa-Chyi Chiou
  • Patent number: 7816663
    Abstract: A silicate phosphor prepared from Mg2Me+20.5Ln3Si2.5O12-2yN?3yF?1y, in which Me+2=Ca, Sr, Ba, Ln=Sc, Lu, Er, Ho, excited by one single ion or an ion pair of d, f-elements such as Ak+n=Cu+1, Ce+3, Eu+2, Ag+1, Mn+2. The phosphor has a cubic garnet architecture prepared by solid phase synthesis, and radiates at green, green-yellow, yellow-orange spectrum regions. When mixed with (Y,Gd,Ce)3Al5O12 substrate-based phosphor, the compound mixture has warm white radiation and color temperature T<4000K with high luminous intensity and high luminescence efficiency. The invention also provides a warm white semiconductor using the silicate phosphor.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: October 19, 2010
    Inventors: Soshchin Naum, Wei-Hung Lo, Chi-Ruei Tsai
  • Patent number: 7803663
    Abstract: A method is provided for manufacturing a fully moulded Multi Media Card package obtained by laser cutting wherein at least some edges and the corners around the package have rounded profile and a sufficient smoothness for a safe handling. The method includes providing a rounded groove on a substrate back side of the package, all around the package profile, and cutting the edges of said package by a laser cutting line passing through said groove. This new technique allows the use of all the 24.0 mm width of the MMC package for the substrate 2, thus increasing the surface available for electronic components.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: September 28, 2010
    Assignee: STMicroelectronics, S.r.l.
    Inventors: Roberto Tiziani, Giovanni Frezza
  • Patent number: 7804133
    Abstract: Semiconductor storage devices in which a plurality of semiconductor element devices having different functions are disposed in the appropriate region of the partial SOI substrate and the interface between each gate insulator and each gate electrode is formed to be the same level, and manufacturing methods thereof are disclosed. According to one aspect, there is provided a semiconductor storage device includes a first semiconductor region provided in a semiconductor substrate including a buried insulator having opening portions, a second semiconductor region without including buried insulator, a plurality of first semiconductor element devices disposed above the buried insulator, a plurality of second semiconductor element devices each disposed in a region including a region above the opening portion of the buried insulator, and a plurality of third semiconductor element devices disposed in the second semiconductor region.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: September 28, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takeshi Murata, Makoto Mizukami, Fumitaka Arai
  • Patent number: 7800194
    Abstract: A photodetector, comprises a first section comprising at least one p-n junction that converts photon energy into a separate charge carrier and hole carrier; and another section of semiconductors of opposing conductivity type connected electrically in series and thermally in parallel in a heat dissipating and electric generating relationship to the cell to augment generation of electric energy of the first section.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: September 21, 2010
    Inventor: Philip D. Freedman
  • Patent number: 7800160
    Abstract: A semiconductor device includes a tunnel insulation film formed on a semiconductor substrate, a floating gate electrode formed on the tunnel insulation film, an inter-electrode insulation film formed on the floating gate electrode, a control gate electrode formed on the inter-electrode insulation film, a pair of oxide films which are formed between the tunnel insulation film and the floating gate electrode and are formed near lower end portions of a pair of side surfaces of the floating gate electrode, which are parallel in one of a channel width direction and a channel length direction, and a nitride film which is formed between the tunnel insulation film and the floating gate electrode and is formed between the pair of oxide films.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: September 21, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Yoshio Ozawa
  • Patent number: 7795645
    Abstract: It is an object of the present invention to provide a semiconductor integrated circuit having a chip layout that reduces line length to achieve faster processing. A cache comprises a TAG memory module and a cache data memory module. The cache data memory module is divided into first and second cache data memory modules which are disposed on both sides of the TAG memory module, and input/output circuits of a data TLB are opposed to the input/output circuit of the TAG memory module and the input/output circuits of the first and second cache data memory modules across a bus area to reduce the line length to achieve faster processing.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: September 14, 2010
    Assignee: Panasonic Corporation
    Inventor: Masaya Sumita
  • Patent number: 7795641
    Abstract: A diode assembly comprising first and second diodes each having a different breakdown voltage, each of the first and second diodes comprising a semiconductor substrate; an electrically conducting channel layer on the semiconductor substrate; an upper semiconductor layer on the channel layer, the upper semiconductor layer comprising a recess; first and second ohmic contacts on the upper semiconductor layer on opposite sides of the recess, the ohmic contacts being connected together to form a first diode contact; a gate electrode within the recess, the gate electrode forming a second diode contact; characterised in that the area of the recess of the first diode covered by the first gate electrode is different to the area of the recess of the second diode covered by the second gate electrode.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: September 14, 2010
    Assignee: RFMD (UK) Limited
    Inventor: John Stephen Atherton
  • Patent number: 7786511
    Abstract: To provide a semiconductor device that has a sufficiently low on-resistance and excellent low-capacitance and high-speed characteristics as compared with conventional GaN-based diodes. The semiconductor device includes: a substrate (101); a buffer layer (102); a stack structure (103 and 104) including at least one heterojunction unit (103 and 104) that is a stack of a layer (GaN layer 103) made of a nitride semiconductor and a layer (AlGaN layer 104) made of another nitride semiconductor having a larger band gap than the nitride semiconductor (GaN layer 103); a Schottky electrode (106) that is placed at a first end of the stack structure (103 and 104) and forms a Schottky barrier contact with the heterojunction unit (103 and 104); and an ohmic electrode (107) that is placed at a second end of the stack structure (103 and 104) and forms an ohmic contact with the heterojunction unit (103 and 104).
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: August 31, 2010
    Assignee: Panasonic Corporation
    Inventor: Hidetoshi Ishida
  • Patent number: 7777321
    Abstract: A method for interconnecting stacked layers containing integrated circuit die and a device built from the method is disclosed. The stacked layers are bonded together to form a module whereby individual I/O pads of the integrated circuit die are rerouted to at least one edge of the module. The rerouted leads terminate at the edge. Channels are formed in a surface of the module or on the surface of a layer whereby the rerouted leads are disposed within the channel. The entire surface of the edge or layer is metalized and a predetermined portion of the metalization removed such that the rerouted leads within each channel are electrically connected to each other.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: August 17, 2010
    Inventors: Keith D. Gann, W. Eric Boyd
  • Patent number: 7772119
    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: August 6, 2008
    Date of Patent: August 10, 2010
    Assignee: International Business Machines Corporation
    Inventors: Chih-Chao Yang, Haining Yang, Keith Kwong Hon Wong
  • Patent number: 7763902
    Abstract: A LED chip including a substrate, a first type doped semiconductor layer, a second type doped semiconductor layer, a light emitting layer, at least an Indium-doped AlxGa1-xN based material layer (0?x<1) and at least a tunneling junction layer is provided. The first type doped semiconductor layer is disposed on the substrate, and the light emitting layer is disposed between the first type doped semiconductor layer and the second type doped semiconductor layer. The Indium-doped AlxGa1-xN based material layer is disposed on at least one surface of the light emitting layer, and the tunneling junction layer is disposed between the Indium-doped AlxGa1-xN based material layer and the first type doped semiconductor layer and/or disposed between the Indium-doped AlxGa1-xN based material layer and the second type doped semiconductor layer, wherein the Indium-doped AlxGa1-xN based material layer and the tunneling junction layer are disposed on the same side of the light emitting layer.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: July 27, 2010
    Assignee: Formosa Epitaxy Incorporation
    Inventors: Liang-Wen Wu, Fen-Ren Chien
  • Patent number: 7763950
    Abstract: A semiconductor device is configured that a high-withstand voltage semiconductor device and logic circuits are integrated on a single chip and that a high-withstand voltage high-potential island including the high-potential-side logic circuit is separated using multiple partition walls enclosing therearound. The semiconductor device is provided with a multi-trench separation region having a level shift wire region 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: June 23, 2009
    Date of Patent: July 27, 2010
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Kazuhiro Shimizu
  • Patent number: 7763963
    Abstract: A stacked die chip scale package, in which a stacked die assembly is mounted within a cavity in a module substrate. In some embodiments certain of the die are stacked on a front side of a stacked die assembly substrate, and the stacked die assembly substrate is inverted in the cavity and the substrate is electrically interconnected to a front side of the module substrate; others of the die are stacked on the back side of the stacked die assembly substrate, and are interconnected by wire bonds to the front side of the module substrate. In some embodiments, the cavity is covered by a heat sink, and the stacked die assembly is mounted onto the heat sink. Also, methods for making the module are provided.
    Type: Grant
    Filed: May 4, 2006
    Date of Patent: July 27, 2010
    Assignee: Stats Chippac Ltd.
    Inventor: Sungmin Hong
  • Patent number: 7759704
    Abstract: An integrated circuit including a memory cell array comprises transistors being arranged along parallel active area lines, bitlines, the bitlines being arranged so that an individual one intersects a plurality of the active area lines to form bitline-contacts, respectively, the bitlines being formed as wiggled lines, wordlines being arranged so that an individual one of the wordlines intersects a plurality of the active area lines, and an individual one of the wordlines intersects a plurality of the bitlines, wherein neighboring bitline-contacts, each of which is connected to one of the active area lines, are connected with different bitlines.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: July 20, 2010
    Assignee: Qimonda AG
    Inventors: Martin Popp, Till Schloesser
  • Patent number: 7759711
    Abstract: Disclosed is a semiconductor device including: an N-type RESURF region formed in a P-type semiconductor substrate; a P-type base region formed in an upper portion of the semiconductor substrate so as to be adjacent to the RESURF region; an N-type emitter/source region formed in the base region so as to be apart from the RESURF region; a P-type base connection region formed in the base region so as to be adjacent to the emitter/source region; a gate insulating film and a gate electrode overlying the emitter/source region, the base region, and the RESURF region; and a P-type collector region formed in the RESURF region so as to be apart from the base region. Lattice defect is generated in the semiconductor substrate such that a resistance value of the semiconductor substrate is twice or more the resistance value of the semiconductor substrate that depends on the concentration of an impurity implanted in the semiconductor substrate.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: July 20, 2010
    Assignee: Panasonic Corporation
    Inventors: Kazuyuki Sawada, Yuji Harada, Masahiko Niwayama, Saichirou Kaneko, Yoshimi Shimizu
  • Patent number: 7755128
    Abstract: A semiconductor device, such as a transistor or capacitor is provided. The device includes a substrate, a gate dielectric over the substrate, and a conductive gate dielectric film over the gate dielectric. The gate dielectric includes a doped hafnium zirconium oxide containing one or more dopant elements selected from Group II, Group XIII, silicon, and rare earth elements of the Periodic Table. According to one embodiment, the conductive gate dielectric can contain doped hafnium zirconium nitride or doped hafnium zirconium oxynitride.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: July 13, 2010
    Assignee: Tokyo Electron Limited
    Inventor: Robert D. Clark
  • Patent number: 7741664
    Abstract: Provided are a CMOS image sensor and a method for fabricating the same. A nanopillar is plurally formed at an upper end of a light receiving element.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: June 22, 2010
    Assignee: Korea Advanced Institute of Science & Technology
    Inventors: Yang-Kyu Choi, Kuk-Hwan Kim
  • Patent number: 7737442
    Abstract: A semiconductor device of the present invention has a first conductive layer, a second conductive layer, an insulating layer which is formed between the first conductive layer and the second conductive layer and which has a contact hole, and a third conductive layer which is connected to the first conductive layer and the second conductive layer and of which at least a part of an end portion is formed inside the contact hole. Near a contact hole where the second conductive layer is connected to the third conductive layer, the third conductive layer does not overlap with the second conductive layer with the first insulating layer interposed therebetween and an end portion of the third conductive layer is not formed over the first insulating layer. This allows suppression of depression and projection of the third conductive layer.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: June 15, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masayuki Sakakura, Aya Miyazaki