Field-effect Transistor With Insulated Gate (epo) Patents (Class 257/E27.06)
  • Publication number: 20130105900
    Abstract: One illustrative method disclosed herein includes forming a first recess in a first active region of a substrate, forming a first layer of channel semiconductor material for a first PFET transistor in the first recess, performing a first thermal oxidation process to form a first protective layer on the first layer of channel semiconductor material, forming a second recess in the second active region of the semiconducting substrate, forming a second layer of channel semiconductor material for the second PFET transistor in the second recess and performing a second thermal oxidation process to form a second protective layer on the second layer of channel semiconductor material.
    Type: Application
    Filed: November 2, 2011
    Publication date: May 2, 2013
    Applicant: GLOBALFOUNDRIES INC.
    Inventors: Hans-Juergen Thees, Stephan Kronholz, Peter Javorka
  • Publication number: 20130107602
    Abstract: A three-dimensional (3-D) nonvolatile memory device includes a channel layer protruded from a substrate, a plurality of memory cells stacked along the channel layer, a source line coupled to the end of one side of the channel layer, a bit line coupled to the end of the other side of the channel layer, a first junction interposed between the end of one side of the channel layer and the source line and configured to have a P type impurity doped therein, and a second junction interposed between the end of the other side of the channel layer and the bit line and configured to have an N type impurity doped therein.
    Type: Application
    Filed: August 31, 2012
    Publication date: May 2, 2013
    Applicant: SK HYNIX INC.
    Inventors: Sang Hyun OH, Seiichi Aritome, Sang Bum LEE
  • Publication number: 20130105861
    Abstract: A semiconductor device includes a semiconductor substrate and a plurality of transistors. The semiconductor substrate includes at least an iso region (namely an open region) and at least a dense region. The transistors are disposed in the iso region and the dense region respectively. Each transistor includes at least a source/drain region. The source/drain region includes a first epitaxial layer having a bottom thickness and a side thickness, and the bottom thickness is substantially larger than or equal to the side thickness.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 2, 2013
    Inventors: Chin-I Liao, Teng-Chun Hsuan, Chin-Cheng Chien
  • Publication number: 20130105893
    Abstract: A DMOS on SOI transistor including an elongated gate extending across the entire width of an active area; a drain region of a first conductivity type extending across the entire width of the active area; a source region of the first conductivity type extending parallel to the gate and stopping before the limit of the active area at least on one side of the transistor width, an interval existing between the limit of the source region and the limit of the active area; a bulk region of a second conductivity type extending under the gate and in said interval; a more heavily-doped region of the second conductivity type extending on a portion of said interval on the side of the limit of the active area; and an elongated source metallization extending across the entire width of the active area.
    Type: Application
    Filed: October 25, 2012
    Publication date: May 2, 2013
    Applicants: STMICROELECTRONICS (CROLLES 2) SAS, STMICROELECTRONICS SA
    Inventors: STMicroelectronics SA, STMicroelectronics (Crolles 2) SAS
  • Publication number: 20130105902
    Abstract: According to one embodiment, a nonvolatile semiconductor memory device includes a semiconductor layer, first and second stacked bodies, first and second channel body layers, first and second memory films. The first stacked body includes electrode layers and first insulating films alternately stacked on the semiconductor layer. The first channel body layers pierces through the first stacked body in a stacking direction. Lower ends of the first channel body layers are connected. The first memory film is provided between the first channel body layers and the electrode layers. The second channel body layers pierces through the first stacked body in the stacking direction. Lower ends of the second channel body layers are connected. The second memory film is provided between the second channel body layers and the electrode layers. The second stacked body includes a first interlayer insulating film and a select gate layer.
    Type: Application
    Filed: August 2, 2012
    Publication date: May 2, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tsuneo UENAKA, Yoshiro Shimojo
  • Publication number: 20130105901
    Abstract: A semiconductor device includes a gate stacked structure including a gate dielectric layer over a semiconductor substrate, a metal layer formed over the gate dielectric layer, and a capping layer formed over the metal layer, where the capping layer includes a chemical element with a higher concentration at an interface between the capping layer and the metal layer than another region of the capping layer and the chemical element is operable to control an effective work function (eWF) of the gate stacked structure.
    Type: Application
    Filed: December 29, 2011
    Publication date: May 2, 2013
    Inventors: Woo-Young PARK, Kee-Jeung Lee, Yun-Hyuck Ji, Seung-Mi Lee
  • Publication number: 20130105874
    Abstract: A semiconductor device includes a gate electrode provided on a channel region in a semiconductor material layer having one type through a second insulating film; a capacitor electrode portion integrally formed with the gate electrode on the gate electrode; and a first electrode laterally surrounding the capacitor electrode portion through a first insulating film.
    Type: Application
    Filed: December 28, 2011
    Publication date: May 2, 2013
    Applicant: ELPIDA MEMORY, INC.
    Inventors: Takeo FUJII, Masao TAGUCHI
  • Publication number: 20130105911
    Abstract: A semiconductor device includes a first conductivity type base formed on a surface of a substrate, a second conductivity type emitter formed on a surface of the base, a second conductivity type doped region which, along with accepting a first type of carrier from the emitter, injects the first type of carrier into the base, and is arranged to be spaced apart on the surface of the base from the emitter, and a second conductivity type collector which is formed on an opposite side to the emitter and the doped region, interposing the base.
    Type: Application
    Filed: October 19, 2012
    Publication date: May 2, 2013
    Applicant: SONY CORPORATION
    Inventor: SONY CORPORATION
  • Patent number: 8431453
    Abstract: The embodiments of methods and structures disclosed herein provide mechanisms of performing doping an inter-level dielectric film, ILD0, surrounding the gate structures with a dopant to reduce its etch rates during the processes of removing dummy gate electrode layer and/or gate dielectric layer for replacement gate technologies. The ILD0 film may be doped with a plasma doping process (PLAD) or an ion beam process. Post doping anneal is optional.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: April 30, 2013
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Lien Huang, Chia-Pin Lin, Sheng-Hsiung Wang, Fan-Yi Hsu, Chun-Liang Tai
  • Patent number: 8431985
    Abstract: A device includes a semiconductor substrate including an active region, a gate electrode directly over the active region, and a gate contact plug over and electrically coupled to the gate electrode. The gate contact plug includes at least a portion directly over, and vertically overlapping, the active region.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: April 30, 2013
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chin Hou, Lee-Chung Lu, Shyue-Shyh Lin, Li-Chun Tien
  • Patent number: 8431986
    Abstract: A semiconductor device includes a silicon pillar formed substantially perpendicular to a principal surface of a silicon substrate, a first impurity diffusion layer and a second impurity diffusion layer arranged below and above the silicon pillar, respectively, a gate electrode arranged to penetrate through the silicon pillar in a horizontal direction, a gate dielectric film arranged between the gate electrode and the silicon pillar, a back-gate electrode arranged adjacent to the silicon pillar, and a back-gate dielectric film arranged between the back-gate electrode and the silicon pillar.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: April 30, 2013
    Assignee: Elpida Memory, Inc.
    Inventor: Hiroshi Kujirai
  • Publication number: 20130099325
    Abstract: A semiconductor device is implementated that includes a source region, multiple elongated drain regions, a channel region, a source electrode, a drain electrode, and a gate electrode. The source region is a flat planar region formed on a compound semiconductor layer. The multiple elongated drain regions are formed so that they are each electrically isolated from each other on the compound semiconductor layer. The channel region is formed so that it contacts one side of the source region and is electrically isolated from the source region and the multiple elongated drain regions. The source electrode is formed at least in a portion on top of the source region. The drain electrode is formed so that it is connected electrically to the multiple elongated drain regions. The gate electrode is formed so that it is connected electrically to the multiple channel regions.
    Type: Application
    Filed: September 4, 2012
    Publication date: April 25, 2013
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Jeoungchill SHIM
  • Publication number: 20130099311
    Abstract: In one general aspect, an apparatus can include a plurality of trench metal-oxide-semiconductor field effect transistors (MOSFET) devices formed within an epitaxial layer of a substrate, and a gate-runner trench disposed around the plurality of trench MOSFET devices and disposed within the epitaxial layer. The apparatus can also include a floating-field implant defined by a well implant and disposed around the gate-runner trench.
    Type: Application
    Filed: October 25, 2011
    Publication date: April 25, 2013
    Inventors: Jifa Hao, Gary Dolny, Mark Rioux
  • Patent number: 8426915
    Abstract: In one embodiment, a power integrated circuit device includes a main lateral high-voltage field-effect transistor (HVFET) and an adjacently-located lateral sense FET, both of which are formed on a high-resistivity substrate. A sense resistor is formed in a well region disposed in an area of the substrate between the HVFET and the sense FET. A parasitic substrate resistor is formed in parallel electrical connection with the sense resistor between the source regions of the HVFET and the sense FET. Both transistor devices share common drain and gate electrodes. When the main lateral HVFET and the sense FET are in an on-state, a voltage potential is produced at the second source metal layer that is proportional to a first current flowing through the lateral HVFET.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: April 23, 2013
    Assignee: Power Integrations, Inc.
    Inventors: Vijay Parthasarathy, Sujit Banerjee
  • Publication number: 20130093026
    Abstract: A semiconductor apparatus includes fin field-effect transistor (FinFETs) having shaped fins and regular fins. Shaped fins have top portions that may be smaller, larger, thinner, or shorter than top portions of regular fins. The bottom portions of shaped fins and regular fins are the same. FinFETs may have only one or more shaped fins, one or more regular fins, or a mixture of shaped fins and regular fins. A semiconductor manufacturing process to shape one fin includes forming a photolithographic opening of one fin, optionally doping a portion of the fin, and etching a portion of the fin.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 18, 2013
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Clement Hsingjen WANN, Ling-Yen YEH, Chi-Yuan SHIH, Yi-Tang LIN, Chih-Sheng CHANG, Chi-Wen LIU
  • Publication number: 20130093021
    Abstract: A transistor includes a semiconductor body having a channel formed in the semiconductor body; a high dielectric constant gate insulator layer disposed over a surface of an upper portion of the channel; and a gate metal layer disposed over the high dielectric constant gate insulator layer. The channel contains Carbon implanted through the gate metal layer, the high dielectric constant gate insulator layer and the surface to form in the upper portion of the channel a Carbon-implanted region having a substantially uniform concentration of Carbon selected to establish a voltage threshold of the transistor.
    Type: Application
    Filed: September 20, 2012
    Publication date: April 18, 2013
    Applicant: International Business Machines Corporation
    Inventor: International Business Machines Corporation
  • Publication number: 20130093020
    Abstract: The present application discloses a MOSFET and a method for manufacturing the same. The MOSFET is formed on an SOI wafer, comprising: a shallow trench isolation for defining an active region in the semiconductor layer; a gate stack on the semiconductor layer; a source region and a drain region in the semiconductor layer on both sides of the gate stack; a channel region in the semiconductor layer and sandwiched by the source region and the drain region; a back gate in the semiconductor substrate; a first dummy gate stack overlapping with a boundary between the semiconductor layer and the shallow trench isolation; and a second dummy gate stack on the shallow trench isolation, wherein the MOSFET further comprises a plurality of conductive vias which are disposed between the gate stack and the first dummy gate stack and electrically connected to the source region and the drain region respectively, and between the first dummy gate stack and the second dummy gate stack and electrically connected to the back gate.
    Type: Application
    Filed: November 18, 2011
    Publication date: April 18, 2013
    Applicant: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Huilong Zhu, Qingqing Liang, Haizhou Yin, Zhijiong Luo
  • Publication number: 20130092996
    Abstract: NAND flash memory device includes a common bit line, a first cell string including a first string selecting transistor having a first gate length, a second string selecting transistor having a second gate length, first cell transistors each having a third gate length and a first ground selecting transistor having a fourth gate length, a second cell string including a third string selecting transistor having the first gate length, a fourth string selecting transistor having the second gate length, second cell transistors each having the third gate length and a second ground selecting transistor having the fourth gate length and a common source line commonly connected to end portions of the first and second ground selecting transistors included in the first and second cell strings. At least one of the first gate length and the second gate length is smaller than the fourth gate length.
    Type: Application
    Filed: July 19, 2012
    Publication date: April 18, 2013
    Inventors: Chang-Hyun LEE, Jung-Dal CHOI, Jee-Yeon KANG
  • Publication number: 20130087850
    Abstract: Semiconductor devices that include a trench with conductive material for connecting a VDMOS device to a LDMOS device are described. The semiconductor devices include a substrate having a first region and a second region, wherein the second region is disposed on the first region. A trench extends from a top surface of the second region to the first region. The semiconductor substrate includes a VDMOS device formed proximate to the top surface of the second region and a LDMOS device that is also formed proximate to the top surface of the second region. The drain region of the VDMOS device is electrically connected to the source region of the LDMOS device by way of a conductive material disposed in the trench.
    Type: Application
    Filed: October 11, 2011
    Publication date: April 11, 2013
    Applicant: Maxim Integrated Products, Inc.
    Inventors: Scott J. Alberhasky, David Harper
  • Publication number: 20130087834
    Abstract: Systems and methods are disclosed for forming a custom integrated circuit (IC) with a first fixed (non-programmable) region on a wafer with non-customizable mask layers, wherein the first fixed region includes multiplicities of transistors and a first interconnect layer and a second interconnect layer above the first interconnect layer which form base cells; and a programmable region above the first fixed region with customizable mask layers, wherein at least one mask layer in the programmable region is coupled to the second interconnect layer which provides electrical access to all transistor nodes of the base cells and wherein the programmable region comprises a third interconnect layer coupled to the customizable mask layers to customize the IC. A second fixed region may be formed above the programmable region to provide multiple fixed regions and reduce the number of required masks in customizing the custom IC.
    Type: Application
    Filed: October 7, 2011
    Publication date: April 11, 2013
    Inventors: Jonathan C. Park, Salah M. Werfelli, Weizhi Kang, Wan Tat Hooi, Kok Siong Tee, Jeremy Jia Jian Lee
  • Publication number: 20130088468
    Abstract: A semiconductor device in which a decrease in the yield by electrostatic destruction can be prevented is provided. A scan line driver circuit for supplying a signal for selecting a plurality of pixels to a scan line includes a shift register for generating the signal. One conductive film functioning as respective gate electrodes of a plurality of transistors in the shift register is divided into a plurality of conductive films. The divided conductive films are electrically connected to each other by a conductive film which is formed in a layer different from the divided conductive films are formed. The plurality of transistors includes a transistor on an output side of the shift register.
    Type: Application
    Filed: October 1, 2012
    Publication date: April 11, 2013
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventor: SEMICONDUCTOR ENERGY LABORATORY CO.
  • Patent number: 8415665
    Abstract: An object is to improve the drive capability of a semiconductor device. The semiconductor device includes a first transistor and a second transistor. A first terminal of the first transistor is electrically connected to a first wiring. A second terminal of the first transistor is electrically connected to a second wiring. A gate of the second transistor is electrically connected to a third wiring. A first terminal of the second transistor is electrically connected to the third wiring. A second terminal of the second transistor is electrically connected to a gate of the first transistor. A channel region is formed using an oxide semiconductor layer in each of the first transistor and the second transistor. The off-state current of each of the first transistor and the second transistor per channel width of 1 ?m is 1 aA or less.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: April 9, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Atsushi Umezaki, Shunpei Yamazaki
  • Publication number: 20130082261
    Abstract: A semiconductor device comprising: a Metal Oxide Semiconductor Field Effect Transistor including: a semiconductor substrate including a first semiconductor layer of a first conductivity type; second semiconductor layers of a second conductivity type extending in a depth direction from one surface of the semiconductor substrate, and having space each other; a first diode including a fifth semiconductor layer of the second conductivity type contacting the second semiconductor layer in one surface side of the semiconductor substrate, the first semiconductor layer and the second semiconductor layers; and an anode of the second diode connected to an anode of the first diode.
    Type: Application
    Filed: September 12, 2012
    Publication date: April 4, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Wataru SAITO, Syotaro ONO, Toshiyuki NAKA, Shunji TANIUCHI, Hiroaki YAMASHITA
  • Publication number: 20130082324
    Abstract: A lateral stack-type super junction power semiconductor device includes a semiconductor substrate; an epitaxial stack structure on the semiconductor substrate, having a first epitaxial layer and a second epitaxial layer; a drain structure embedded in the epitaxial stack structure and extending along a first direction; a plurality of gate structures embedded in the epitaxial stack structure and arranged in a segmental manner along the first direction; a source structure between the plurality of gate structures; and an ion well encompassing the source structure.
    Type: Application
    Filed: December 26, 2011
    Publication date: April 4, 2013
    Inventors: Yung-Fa Lin, Shou-Yi Hsu, Meng-Wei Wu, Chia-Hao Chang
  • Publication number: 20130082329
    Abstract: Multi-gate devices and methods of their fabrication are disclosed. A multi-gate device can include a gate structure and a plurality of fins. The gate structure envelops a plurality of surfaces of the fins, which are directly on a substrate that is composed of a semiconducting material. Each of the fins provides a channel between a respective source and a respective drain, is composed of the semiconducting material and is doped. A first fin of the plurality of fins has a first height that is different from a second height of a second fin of the plurality of fins such that drive currents of the first and second fins are different. Further, the first and second fins form a respective cohesive structure of the semiconducting material with the substrate. In addition, surfaces of the substrate that border the fins are disposed at a same vertical position.
    Type: Application
    Filed: October 3, 2011
    Publication date: April 4, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Hsueh-Chung Chen, Su Chen Fan, Theodorus E. Standaert, Chun-Chen Yeh
  • Publication number: 20130082334
    Abstract: A semiconductor device is improved in reliability. A switching power MOSFET and a sense MOSFET for sensing a current flowing in the power MOSFET, which is smaller in area than the power MOSFET, are formed in one semiconductor chip. The semiconductor chip is mounted over a chip mounting portion via a conductive bonding material, and sealed in a resin. Over the main surface of the semiconductor chip, a metal plate is bonded to a source pad electrode of the power MOSFET. In the plan view, the metal plate does not overlap a sense MOSFET region where the sense MOSFET is formed. The metal plate is bonded to the source pad electrode so as to surround three of the sides of the sense MOSFET region.
    Type: Application
    Filed: September 12, 2012
    Publication date: April 4, 2013
    Inventors: Hiroyuki NAKAMURA, Yukihiro Sato, Atsushi Fujiki, Tatsuhiro Seki
  • Publication number: 20130082331
    Abstract: A semiconductor device includes: a semiconductor substrate; a first transistor which is formed on the semiconductor substrate and includes a source/drain region and a gate electrode; an insulating film which covers the source/drain region and the gate electrode of the first transistor; and a first contact plug which is formed in the insulating film and is connected to the source/drain region or the gate electrode of the first transistor, wherein the first contact plug includes a first column section which extends in a thickness direction of the insulating film and is in contact with the source/drain region or the gate electrode of the first transistor, and a first flange section which juts out from an upper portion of the first column section in a direction parallel to a surface of the insulating film, and an upper surface of the first flange section is planarized.
    Type: Application
    Filed: August 17, 2012
    Publication date: April 4, 2013
    Applicant: FUJITSU SEMICONDUCTOR LIMITED
    Inventor: Masatoshi FUKUDA
  • Publication number: 20130082333
    Abstract: Multi-gate devices and methods of their fabrication are disclosed. A multi-gate device can include a gate structure and a plurality of fins. The gate structure envelops a plurality of surfaces of the fins, which are directly on a substrate that is composed of a semiconducting material. Each of the fins provides a channel between a respective source and a respective drain, is composed of the semiconducting material and is doped. A first fin of the plurality of fins has a first height that is different from a second height of a second fin of the plurality of fins such that drive currents of the first and second fins are different. Further, the first and second fins form a respective cohesive structure of the semiconducting material with the substrate. In addition, surfaces of the substrate that border the fins are disposed at a same vertical position.
    Type: Application
    Filed: September 11, 2012
    Publication date: April 4, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATED
    Inventors: Hsueh-Chung Chen, Su Chen Fan, Theodorus E. Standaert, Chun-Chen Yeh
  • Patent number: 8410543
    Abstract: In a non-volatile memory in which writing/erasing is performed by changing a total charge amount by injecting electrons and holes into a silicon nitride film serving as a charge accumulation layer, in order to realize a high efficiency of a hole injection from a gate electrode, the gate electrode of a memory cell comprises a laminated structure made of a plurality of polysilicon films with different impurity concentrations, for example, a two-layered structure comprising a p-type polysilicon film with a low impurity concentration and a p+-type polysilicon film with a high impurity concentration deposited thereon.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: April 2, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Itaru Yanagi, Toshiyuki Mine, Hirotaka Hamamura, Digh Hisamoto, Yasuhiro Shimamoto
  • Publication number: 20130075822
    Abstract: The advantage of narrow-bandgap Sb-based devices is the realization of high-frequency operation with much lower power consumption. However, some properties such as chemical stability are the key issues for developing Sb-based devices. The process temperature of the ion implant and thermal annealing in conventional silicon industry is over 1000° C. Sb-based materials are easily degraded at temperature greater 300° C. Thus, this invention provides three processes for self-aligned gate with lower process temperature (<300° C.) to reduce device access region resistance and maintain material quality.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 28, 2013
    Inventors: Han-Chieh Ho, Heng-Kuang Lin
  • Publication number: 20130075821
    Abstract: When forming self-aligned contact elements in sophisticated semiconductor devices in which high-k metal gate electrode structures are to be provided on the basis of a replacement gate approach, the self-aligned contact openings are filled with an appropriate fill material, such as polysilicon, while the gate electrode structures are provided on the basis of a placeholder material that can be removed with high selectivity with respect to the sacrificial fill material. In this manner, the high-k metal gate electrode structures may be completed prior to actually filling the contact openings with an appropriate contact material after the removal of the sacrificial fill material. In one illustrative embodiment, the placeholder material of the gate electrode structures is provided in the form of a silicon/germanium material.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 28, 2013
    Applicant: GLOBALFOUNDRIES INC.
    Inventors: Peter Baars, Richard Carter, Rolf Stephan
  • Publication number: 20130075814
    Abstract: A semiconductor device includes a semiconductor body having a first surface and a second surface, at least one electrode arranged in at least one trench extending from the first surface into the semiconductor body, and a semiconductor via extending in a vertical direction of the semiconductor body within the semiconductor body to the second surface. The semiconductor via is electrically insulated from the semiconductor body by a via insulation layer. The at least one electrode extends in a first lateral direction of the semiconductor body through the via insulation layer and is electrically connected to the semiconductor via.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 28, 2013
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Andreas Peter Meiser, Markus Zundel
  • Publication number: 20130075820
    Abstract: When forming sophisticated high-k metal gate electrode structures in an early manufacturing stage, superior process robustness, reduced yield loss and an enhanced degree of flexibility in designing the overall process flow may be accomplished by forming and patterning the sensitive gate materials prior to forming isolation regions.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 28, 2013
    Applicant: GLOBALFOUNDRIES INC.
    Inventors: Thilo Scheiper, Peter Baars
  • Publication number: 20130075829
    Abstract: An electrostatic discharge (ESD) protection device includes a first transistor and a second transistor. The first transistor includes a first bulk electrode, a first electrode and a second electrode. The first bulk electrode and the first electrode form a first parasitic diode. The first bulk electrode and the second electrode form a second parasitic diode. The second transistor includes a second bulk electrode, a third electrode and a fourth electrode. The second bulk electrode and the third electrode form a third parasitic diode. The second bulk electrode and the fourth electrode form a fourth parasitic diode. The first bulk electrode is connected to the third electrode, and the second bulk electrode is connected to the first electrode.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 28, 2013
    Applicant: NUVOTON TECHNOLOGY CORPORATION
    Inventor: Ming-Fang LAI
  • Publication number: 20130075824
    Abstract: A semiconductor device has first and second conductive type transistors on a substrate. First conductive type transistor includes: a first lower gate electrode portion on the substrate, including silicon including first impurity ions; a first intervening layer on the first lower gate electrode portion, including silicon including oxygen and/or nitrogen; and a first upper gate electrode portion on the first intervening layer, the first upper gate electrode portion including silicon including the first impurity ions.
    Type: Application
    Filed: May 10, 2012
    Publication date: March 28, 2013
    Applicant: ELPIDA MEMORY, INC.
    Inventors: Yoichi FUKUSHIMA, Mika NISHISAKA
  • Patent number: 8405154
    Abstract: An integrated circuit is disclosed having symmetric and asymmetric MOS transistors of the same polarity, oriented perpendicularly to each other, formed by concurrent halo ion, LDD ion and/or S/D ion implant processes using angled, rotated sub-implants which vary the tilt angle, dose and/or energy between rotations. Implanted halo, LDD and/or S/D source and drain regions formed by angled subimplants may have different extents of overlap with, or lateral separation from, gates of the two types of transistors, producing transistors with two different sets of electrical properties. A process for concurrently fabricating the two types of transistors is also disclosed. Specific embodiments of processes for concurrently forming symmetric and asymmetric transistors are disclosed.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: March 26, 2013
    Assignee: Texas Instruments Incorporated
    Inventors: Kamel Benaissa, Greg C. Baldwin, Shaofeng Yu, Shashank S. Ekbote
  • Patent number: 8405158
    Abstract: A semiconductor memory device and method of manufacturing the same, the device including string structures, the string structures including two or more adjacent string selection transistors connected in series to each other in a first direction and being spaced apart from one another in a second direction intersecting the first direction, the two or more string selection transistors having different threshold voltages; string selection lines, the string selection lines connecting the adjacent string selection transistors of the string structures in the second direction; and a bit line electrically connecting two or more adjacent string structures, wherein a device isolation layer between the adjacent string selection transistors in the second direction has recessed regions, and profiles of the recessed regions on respective sides of the string selection transistors are different from each other.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: March 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Bae Yoon, Jong-Hyuk Kim, Keonsoo Kim, Youngseop Rah, Yoonmoon Park
  • Patent number: 8405155
    Abstract: A semiconductor structure comprises a substrate, a gate structure, at least a source/drain region, a recess and an epitaxial layer. The substrate includes an up surface. A gate structure is located on the upper surface. The source/drain region is located within the substrate beside the gate structure. The recess is located within the source/drain region. The epitaxial layer fills the recess, and the cross-sectional profile of the epitaxial layer is an octagon.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: March 26, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Chiu-Hsien Yeh, Chun-Yuan Wu, Chin-Cheng Chien
  • Publication number: 20130069112
    Abstract: A SRAM cell and a method for manufacturing the same are disclosed. In one embodiment, the SRAM cell may comprise a substrate and a first Fin Field Effect Transistor (FinFET) and a second FinFET formed on the substrate. The first FinFET may comprise a first fin which is formed in a semiconductor layer provided on the substrate and abuts the semiconductor layer, and the second FinFET may comprise a second fin which is formed in the semiconductor layer and abuts the semiconductor layer. The semiconductor layer may comprise a plurality of semiconductor sub-layers. The first and second fins can comprise different number of the semiconductor sub-layers and have different heights from each other.
    Type: Application
    Filed: November 23, 2011
    Publication date: March 21, 2013
    Inventors: Huilong Zhu, Qingqing Liang
  • Publication number: 20130069162
    Abstract: The present disclosure provides an integrated circuit design method. In an example, a method includes receiving an integrated circuit design layout that includes an active region feature, a contact feature, and an isolation feature, wherein a portion of the active region feature is disposed between the contact feature and the isolation feature; determining whether a thickness of the portion of the active region feature disposed between the contact feature and the isolation feature is less than a threshold value; and modifying the integrated circuit design layout if the thickness is less than the threshold value, wherein the modifying includes adding a supplementary active region feature adjacent to the portion of the active region feature disposed between the contact feature and the isolation feature.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 21, 2013
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Mei-Hsuan Lin, Chih-Chan Lu, Chih-Hsun Lin, Chih-Kang Chao, Ling-Sung Wang, Jen-Pan Wang
  • Publication number: 20130069157
    Abstract: The present invention is directed to a semiconductor chip comprising a high voltage device and a low voltage device disposed thereon. The chip may be formed in several different configurations. For example, the semiconductor chip may include a NPN bipolar transistor, PNP bipolar transistor, a diode, an N channel DMOS transistor and the like. The first doped well being configured as a base of the DMOS transistor, a P channel DMOS transistor and the like.
    Type: Application
    Filed: June 30, 2012
    Publication date: March 21, 2013
    Inventor: Hideaki Tsuchiko
  • Publication number: 20130069171
    Abstract: A placement of non-planar FET devices is disclosed, which includes non-planar devices that have electrodes, and the electrodes contain fins and an epitaxial layer which merges the fins together. The non-planar devices are so placed that their gate structures are in a parallel configuration separated from one another by a first distance, and the fins of differing non-planar devices line up in essentially straight lines. The electrodes of differing FET devices are separated from one another by a cut defined by opposing facets of the electrodes, with the opposing facets also defining the width of the cut. The width of the cut is smaller than one fifth of the first distance which separates the gate structures.
    Type: Application
    Filed: November 13, 2012
    Publication date: March 21, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: International Business Machines Corporation
  • Publication number: 20130069081
    Abstract: An integrated circuit with an active geometry with a wide active region and with a narrow active region with at least one jog where said wide active region transitions to said narrow active region and where a gate overlies said jog. A method of making an integrated circuit with an active geometry with a wide active region and with a narrow active region with at least one jog where said wide active region transitions to said narrow active region, where a gate overlies said jog and where a gate overlies the wide active region forming a wide transistor.
    Type: Application
    Filed: September 19, 2012
    Publication date: March 21, 2013
    Applicant: Texas Instruments Incorporated
    Inventor: Texas Instruments Incorporated
  • Publication number: 20130069137
    Abstract: An array of memory cells has a conductive pillar and a plurality of first and second memory cells coupled in series by the conductive pillar. Each first memory cell has a respective portion of a first charge trap adjacent to the conductive pillar and a respective first control gate adjacent to the respective portion of the first charge trap. Each second memory cell has a respective portion of a second charge trap adjacent to the conductive pillar and a respective second control gate adjacent to the respective portion of the second charge trap. Each first control gate is electrically isolated from each second control gate. A single select transistor may selectively couple the plurality of first memory cells and the plurality of second memory cells to one of a source line and a data line.
    Type: Application
    Filed: November 14, 2012
    Publication date: March 21, 2013
    Applicant: MICRON TECHNOLOGY, INC.
    Inventor: Micron Technology, Inc.
  • Patent number: 8399933
    Abstract: A method of fabricating an integrated circuit and an integrated circuit having silicon on a stress liner are disclosed. In one embodiment, the method comprises providing a semiconductor substrate comprising an embedded disposable layer, and removing at least a portion of the disposable layer to form a void within the substrate. This method further comprises depositing a material in that void to form a stress liner, and forming a transistor on an outside semiconductor layer of the substrate. This semiconductor layer separates the transistor from the stress liner. In one embodiment, the substrate includes isolation regions; and the removing includes forming recesses in the isolation regions, and removing at least a portion of the disposable layer via these recesses. In one embodiment, the depositing includes depositing a material in the void via the recesses. End caps may be formed in the recesses at ends of the stress liner.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: March 19, 2013
    Assignee: International Business Machines Corporation
    Inventors: Stephen W. Bedell, Josephine B. Chang, Chung-Hsun Lin
  • Patent number: 8399931
    Abstract: The present disclosure provides a static random access memory (SRAM) cell. The SRAM cell includes a plurality of fin active regions formed on a semiconductor substrate, wherein the plurality of fin active regions include a pair adjacent fin active regions having a first spacing and a fin active region having a second spacing from adjacent fin active regions, the second spacing being greater than the first spacing; a plurality of fin field-effect transistors (FinFETs) formed on the plurality of fin active regions, wherein the plurality of FinFETs are configured to a first and second inverters cross-coupled for data storage and at least one port for data access; a first contact disposed between the first and second the fin active regions, electrically contacting both of the first and second the fin active regions; and a second contact disposed on and electrically contacting the third fin active region.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: March 19, 2013
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jhon Jhy Liaw, Jeng-Jung Shen
  • Publication number: 20130062675
    Abstract: In order to form a more stable silicon pillar which can be used for the formation of vertical transistors in DRAM cells, a multi-step masking process is used. In a preferred embodiment, an oxide layer and a nitride layer are used as masks to define trenches, pillars, and active areas in a substrate. Preferably, two substrate etch processes use the masks to form three levels of bulk silicon.
    Type: Application
    Filed: November 6, 2012
    Publication date: March 14, 2013
    Applicant: MICRON TECHNOLOGY, INC.
    Inventor: MICRON TECHNOLOGY, INC.
  • Publication number: 20130062700
    Abstract: A semiconductor device according to the present invention has an n-type MIS transistor. The n-type MIS transistor has a first active region surrounded by a device isolation region in a semiconductor substrate, a first gate insulating film having a first high-dielectric-constant insulating film containing a first metal for adjustment, and a first electrode formed on the first gate insulating film. A protrusion amount of one end of the first high-dielectric-constant insulating film on the first device isolation part is smaller than a protrusion amount of an end of the first gate electrode above the first device isolation part.
    Type: Application
    Filed: November 8, 2012
    Publication date: March 14, 2013
    Applicant: PANASONIC CORPORATION
    Inventor: PANASONIC CORPORATION
  • Publication number: 20130062708
    Abstract: A semiconductor device structure, a method for manufacturing the same, and a method for manufacturing a semiconductor fin are disclosed. In one embodiment, the method for manufacturing the semiconductor device structure comprises: forming a fin in a first direction on a semiconductor substrate; forming a gate line in a second direction, the second direction crossing the first direction on the semiconductor substrate, and the gate line intersecting the fin with a gate dielectric layer sandwiched between the gate line and the fin; forming a dielectric spacer surrounding the gate line; and performing inter-device electrical isolation at a predetermined position, wherein isolated portions of the gate line form independent gate electrodes of respective devices.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 14, 2013
    Inventors: Huicai Zhong, Qingqing Liang, Jun Luo, Chao Zhao
  • Publication number: 20130062690
    Abstract: A semiconductor device has a source region, channel region, and drain region disposed in order from the surface of the device in the thickness direction of a semiconductor substrate. The device includes a source metal embedded in a source contact groove penetrating the source region and reaching the channel region, a gate insulating film formed on the side wall of a gate trench that is formed to penetrate the source region and channel and reach the drain region, a polysilicon gate embedded in trench so that at least a region facing the channel region in the insulating film is covered with the gate and so that the entire gate is placed under a surface of the source region, and a gate metal that is embedded in a gate contact groove formed in the gate so as to reach the depth of the channel region and in contact with the gate.
    Type: Application
    Filed: June 8, 2011
    Publication date: March 14, 2013
    Applicant: ROHM CO., LTD.
    Inventor: Kenichi Yoshimochi