Patents Examined by Pamela E Perkins
  • Patent number: 8384185
    Abstract: A technique is provided which allows a chip mounted by wire bonding and a chip mounted by bump electrodes to share a manufacturing process. Both in a case where a chip is electrically coupled to an external circuit by bump electrodes and a case where the chip is electrically coupled to the external circuit by bonding wires, a bump coupling part and a bonding pad are both provided in a single uppermost wiring layer. When the bump electrodes are used, an opening is provided in an insulating film on the bump coupling part and a surface of the bonding pad is covered with the insulating film. On the other hand, when the bonding wires are used, an opening is provided in an insulating film on the bonding pad and a surface of the bump coupling part is covered with the insulating film.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: February 26, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Niichi Ito, Tetsuji Nakamura, Takamitsu Nagaosa, Hisashi Okamura
  • Patent number: 8383508
    Abstract: The present invention provides a fabrication method of an opening. The method includes providing a substrate having a conductive region therein. Thereafter, a dielectric layer is formed over the substrate and then a stacked layer is formed on the dielectric layer. The stacked layer includes a patterned metal hard mask layer, a patterned silicon oxynitride layer and a patterned silicon oxide layer on the dielectric layer in sequence. Afterward, a first portion of the dielectric layer is removed using the stacked layer as a first mask to form a first opening that exposes a surface of the conductive region.
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: February 26, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Ming-Hsing Liu, Chia-Hsiun Yu
  • Patent number: 8377792
    Abstract: An interdigitated semiconductor capacitor with a large number of plates and a capacitance in the micro-farad range is formed on a wafer with only a single lithography step by depositing each odd layer of metal through a first shadow mask that lies spaced apart from the wafer, and each even layer of metal through a second shadow mask that lies spaced apart from the wafer.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: February 19, 2013
    Assignee: National Semiconductor Corporation
    Inventors: Peter J. Hopper, William French, Peter Smeys, Peter Johnson
  • Patent number: 8377793
    Abstract: A method of manufacturing a non-volatile memory device, including providing at least one control gate layer on a substrate. A passage may be created between the at least one control gate layer and the substrate. In the passage at least one filling layer may be provided. A floating gate structure including the filling layer may be formed, as well as a control gate structure including the at least one control gate layer, the control gate structure being in a stacked configuration with the floating gate structure.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: February 19, 2013
    Assignee: Freescale Semiconductor, Inc.
    Inventor: Marius Orlowski
  • Patent number: 8378439
    Abstract: Methods of manufacturing semiconductor devices are disclosed. A preferred embodiment comprises a method of manufacturing a semiconductor device, the method including providing a workpiece, disposing an etch stop layer over the workpiece, and disposing a material layer over the etch stop layer. The material layer includes a transition layer. The method includes patterning the material layer partially with a first pattern, and patterning the material layer partially with a second pattern. Patterning the material layer partially with the second pattern further comprises simultaneously completely patterning the material layer with the first pattern.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: February 19, 2013
    Assignee: Infineon Technologies AG
    Inventors: Michael Beck, Erdem Kaltalioglu
  • Patent number: 8377795
    Abstract: A multiple etch process for forming a gate in a semiconductor structure in which a cut area is first formed followed by the forming of the gate conductor lines.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: February 19, 2013
    Assignee: International Business Machines Corporation
    Inventors: Sivananda K. Kanakasabapathy, Veeraraghavan S. Basker, Balasubramanian S. Haran
  • Patent number: 8372719
    Abstract: A method of removing a hard mask during fabrication of semiconductor devices is provided. A protective layer, such as a bottom anti-reflective coating (BARC) layer or other dielectric layer, is formed over structures formed on a substrate, wherein spacers are formed alongside the structures. In an embodiment, the structures are gate electrodes having a hard mask formed thereon and the spacers are spacers formed alongside the gate electrodes. A photoresist layer is formed over the protective layer, and the photoresist layer may be patterned to remove a portion of the photoresist layer over portions of the protective layer. Thereafter, an etch-back process is performed, such that the protective layer adjacent to the spacers remains to substantially protect the spacers. The hard mask is then removed while the protective layer protects the spacers.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: February 12, 2013
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Sheng-Hsiung Wang, Fu-Kai Yang, Yuan-Ching Peng, Chi-Cheng Hung
  • Patent number: 8361829
    Abstract: A method for forming a semiconductor device includes forming an implant mask on a substrate, such that a first portion of the substrate is located under the implant mask, and a second portion of the substrate is exposed; performing oxygen ion implantation of the substrate; removing the implant mask; and forming a first field effect transistor (FET) on the first portion of the substrate, and forming a second FET on the second portion of the substrate, wherein the second FET has a higher radiation sensitivity than the first FET.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: January 29, 2013
    Assignee: International Business Machines Corporation
    Inventors: Michael S. Gordon, Kenneth P. Rodbell, Jeng-Bang Yau
  • Patent number: 8361891
    Abstract: Methods for consistently reproducing channels of small length are disclosed. An ink composition comprising silver nanoparticles and a surface modification agent is used. The surface modification agent may also act as a stabilizer for the nanoparticles. A first line is printed which forms a modified region around the first line. A second line is printed, which is repelled from the modified region. As a result, a channel between the first line and the second line is formed.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: January 29, 2013
    Assignee: Xerox Corporation
    Inventors: Yiliang Wu, Jason S. Doggart, Ping Liu, Shiping Zhu
  • Patent number: 8357557
    Abstract: One aspect of the present invention provides a semiconductor light-emitting device improved in luminance, and also provides a process for production thereof. The process comprises a procedure of forming a relief structure on the light-extraction surface of the device by use of a self-assembled film. In that procedure, the light-extraction surface is partly covered with a protective film so as to protect an area for an electrode to be formed therein. The electrode is then finally formed there after the procedure. The process thus reduces the area incapable, due to thickness of the electrode, of being provided with the relief structure. Between the electrode and the light-extraction surface, a contact layer is formed so as to establish ohmic contact between them.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: January 22, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akira Fujimoto, Ryota Kitagawa, Koji Asakawa, Hidefumi Yasuda, Yasuhiko Akaike, Takeyuki Suzuki
  • Patent number: 8349626
    Abstract: A novel method is described to create low-relief texture at a light-facing surface or a back surface of a photovoltaic cell. The peak-to-valley height and average peak-to-peak distance of the textured surface is less than about 1 microns, for example less than about 0.8 micron, for example about 0.5 microns or less. In a completed photovoltaic device, average reflectance for light having wavelength between 375 and 1010 nm at a light-facing surface with this texture is 6 percent or less, for example about 5 percent or less, in some instances about 3.5 percent. This texture is produced by forming an optional oxide layer at the surface, lightly buffing the surface, and etching with a crystallographically selective etch. Excellent texture may be produced by etching for as little as twelve minutes or less. Very little silicon, for example about 0.3 mg/cm2 or less, is lost at the textured surface during this etch.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: January 8, 2013
    Assignee: GTAT Corporation
    Inventors: Zhiyong Li, David Tanner, Gopalakrishna Prabhu, Mohamed H. Hilali
  • Patent number: 8350246
    Abstract: A structure of a porous low-k layer is described, comprising a bottom portion and a body portion of the same atomic composition, wherein the body portion is located on the bottom portion, and the bottom portion has a density higher than the density of the body portion. An interconnect structure is also described, including the above porous low-k layer, and a conductive layer filling up a damascene opening in the porous low-k layer.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: January 8, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Mei-Ling Chen, Kuo-Chih Lai, Su-Jen Sung, Chien-Chung Huang, Yu-Tsung Lai
  • Patent number: 8334221
    Abstract: This invention comprises methods of forming patterned photoresist layers over semiconductor substrates. In one implementation, a semiconductor substrate is provided. An antireflective coating is formed over the semiconductor substrate. The antireflective coating has an outer surface. The outer surface is treated with a basic fluid. A positive photoresist is applied onto the outer surface which has been treated with the basic treating fluid. The positive photoresist is patterned and developed effective to form a patterned photoresist layer having increased footing at a base region of said layer than would otherwise occur in the absence of said treating the outer surface. Other aspects and implementations are contemplated.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: December 18, 2012
    Assignee: Micron Technology, Inc.
    Inventor: Jon P. Daley
  • Patent number: 8324101
    Abstract: Semiconductor dice comprise at least one bond pad on an active surface of the semiconductor die. At least one blind hole extends from a back surface of the semiconductor die opposing the active surface, through a thickness of the semiconductor die, to an underside of the at least one bond pad. At least one quantity of passivation material covers at least a sidewall surface of the at least one blind hole. At least one conductive material is disposed in the at least one blind hole adjacent and in electrical communication with the at least one bond pad and adjacent the at least one quantity of passivation material.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: December 4, 2012
    Assignee: Micron Technology, Inc.
    Inventors: Salman Akram, Sidney B. Rigg
  • Patent number: 8309419
    Abstract: A method and apparatus are described for fabricating single metal gate electrodes (35, 36) over a high-k gate dielectric layer (31, 32) that is separately doped in the PMOS and NMOS device areas (96, 97) by forming first capping oxide layer (23) with a first dopant species on a high-k gate dielectric layer (22) in at least the NMOS device area and also forming second capping oxide layer (27) with a second dopant species on a high-k gate dielectric layer (22) in at least the PMOS device area, where the first and second dopant species are diffused into the gate dielectric layer (22) to form a first fixed charge layer (31) in the PMOS device area of the high-k gate dielectric area and a second fixed charge layer (32) in the NMOS device area of the high-k gate dielectric area.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: November 13, 2012
    Assignee: Freescale Semiconductor, Inc.
    Inventors: James K. Schaeffer, Eric D. Luckowski
  • Patent number: 8298910
    Abstract: Provided is a method for fabricating a semiconductor device, including forming an interconnect structure including first and second interconnects and an insulating material between the first and second interconnects, forming a first mask layer and a second mask layer having a plurality of micropores sequentially on the interconnect structure, coalescing the plurality of micropores in the second mask layer with each other and forming a plurality of first microholes in the second mask layer, forming a plurality of second microholes in the first mask layer using the plurality of first microholes, and removing the insulating material using the first mask layer with the plurality of second microholes as an etch mask so as to form an air-gap between the first and second interconnects.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: October 30, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Don Nam, Sang-Hoon Ahn, Eunkee Hong
  • Patent number: 8298926
    Abstract: A method for making a silicon wafer includes the steps of generating and stabilizing embryos that become oxygen precipitates by succeeding thermal annealing applied during a semiconductor device manufacturing process. In the silicon wafer, embryos are substantially removed in a denuded zone, and embryos are distributed at a relatively higher concentration in a bulk region. Also, by controlling behaviors of embryos, a silicon wafer having a desired concentration profile of oxygen precipitates by succeeding thermal annealing is manufactured with high reliability and reproducibility.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: October 30, 2012
    Assignees: Siltron Inc., Hynix Semiconductor Inc.
    Inventors: Hyung-Kook Park, Jin-Kyun Hong, Kun Kim, Chung-Geun Koh
  • Patent number: 8278225
    Abstract: A dielectric layer containing a hafnium tantalum oxide film and a method of fabricating such a dielectric layer produce a dielectric layer for use in a variety of electronic devices. Embodiments include structures for capacitors, transistors, memory devices, and electronic systems with dielectric layers containing a hafnium tantalum oxide film structured as one or more monolayers.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: October 2, 2012
    Assignee: Micron Technology, Inc.
    Inventors: Kie Y. Ahn, Leonard Forbes
  • Patent number: 8278195
    Abstract: In a plasma CVD apparatus, unnecessary discharge such as arc discharge is prevented, the amount of particles due to peeling of films attached to a reaction chamber is reduced, and the percentage of a time contributing to production in hours of operation of the apparatus is increased while enlargement of the apparatus and easy workability are maintained. The plasma CVD apparatus is configured such that in a conductive reaction chamber 104 with a power source 113, a vacuum exhausting means 118, and a reaction gas introduction pipe 114, plasma 115 is generated in a space surrounded by an electrode 111, a substrate holder 112, and an insulator 120.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: October 2, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Toru Takayama, Mitsunori Sakama, Hisashi Abe, Hiroshi Uehara, Mika Ishiwata
  • Patent number: 8278192
    Abstract: A method is provided for fabricating a thin-film semiconductor substrate by forming a porous semiconductor layer conformally on a reusable semiconductor template and then forming a thin-film semiconductor substrate conformally on the porous semiconductor layer. An inner trench having a depth less than the thickness of the thin-film semiconductor substrate is formed on the thin-film semiconductor substrate. An outer trench providing access to the porous semiconductor layer is formed on the thin-film semiconductor substrate and is positioned between the inner trench and the edge of the thin-film semiconductor substrate. The thin-film semiconductor substrate is then released from the reusable semiconductor template.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: October 2, 2012
    Assignee: Solexel
    Inventors: David Xuan-Qi Wang, Mehrdad Moslehi