Prom (epo) Patents (Class 257/E21.666)
  • Patent number: 11942167
    Abstract: Systems, methods, and apparatuses relating to interlocking transistor active regions are disclosed. An apparatus includes a gate including electrically conductive material and an active material including a doped semiconductor material. A portion of the active material overlapped by the gate has an at least substantially triangular shape. An apparatus includes a plurality of active materials. Each active material includes tapered ends and a plurality of gates. The plurality of active materials is arranged in an interlocking pattern with at least some tapered ends of the active materials interlocking with at least some others of the tapered ends. The plurality of gates overlaps the interlocked tapered ends of the plurality of active materials.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: March 26, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Wei Lu Chu, Jing Wang, Zhiwei Liang, Raghu Sreeramaneni
  • Patent number: 11923446
    Abstract: The present disclosure relates generally to structures in semiconductor devices and methods of forming the same. More particularly, the present disclosure relates to high electron mobility transistor (HEMT) devices having a silicided polysilicon layer. The present disclosure may provide an active region above a substrate, source and drain electrodes in contact with the active region, a gate above the active region, the gate being laterally between the source and drain electrodes, a polysilicon layer above the substrate, and a silicide layer on the polysilicon layer. The active region includes at least two material layers with different band gaps. The polysilicon layer may be configured as an electronic fuse, a resistor, or a diode.
    Type: Grant
    Filed: October 17, 2021
    Date of Patent: March 5, 2024
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Vibhor Jain, Johnatan Avraham Kantarovsky, Mark David Levy, Ephrem Gebreselasie, Yves Ngu, Siva P. Adusumilli
  • Patent number: 11854968
    Abstract: An antifuse structure and IC devices incorporating such antifuse structures in which the antifuse structure includes an dielectric antifuse structure formed on an active area having a first dielectric antifuse electrode, a second dielectric antifuse electrode extending parallel to the first dielectric antifuse electrode, a first dielectric composition between the first dielectric antifuse electrode and the second dielectric antifuse electrode, and a first programming transistor electrically connected to a first voltage supply wherein, during a programming operation a programming voltage is selectively applied to certain of the dielectric antifuse structures to form a resistive direct electrical connection between the first dielectric antifuse electrode and the second dielectric antifuse electrode.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Sheng Chang, Chien-Ying Chen, Yao-Jen Yang
  • Patent number: 11652143
    Abstract: Disclosed herein are IC structures, packages, and devices that include thin-film transistors (TFTs) integrated on the same substrate/die/chip as III-N devices, e.g., III-N transistors. In various aspects, TFTs integrated with III-N transistors have a channel and source/drain materials that include one or more of a crystalline material, a polycrystalline semiconductor material, or a laminate of crystalline and polycrystalline materials. In various aspects, TFTs integrated with III-N transistors are engineered to include one or more of 1) graded dopant concentrations in their source/drain regions, 2) graded dopant concentrations in their channel regions, and 3) thicker and/or composite gate dielectrics in their gate stacks.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 16, 2023
    Assignee: Intel Corporation
    Inventors: Han Wui Then, Nidhi Nidhi, Paul B. Fischer, Rahul Ramaswamy, Walid M. Hafez, Samuel Jack Beach, Xiaojun Weng, Johann Christian Rode, Marko Radosavljevic, Sansaptak Dasgupta
  • Patent number: 9012970
    Abstract: A memory array including a plurality of memory cells. In one embodiment, each memory cell is coupled to an electrically conductive gate material. A word line is coupled to the gate material at a contact interface level. A pair of pillars is comprised of an insulating material that extends below the contact interface level. Also, a method to prevent a gate contact from electrically connecting to a source contact for a plurality of memory cells on a substrate. The method includes depositing and etching gate material to partially fill a space between the pillars and to form a word line for the memory cells, forming a pair of pillars comprised of an insulating material and depositing a gate contact between the pair of pillars such that the gate contact electrically couples the gate material at a contact interface level and the insulating material extends below the contact interface level.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: April 21, 2015
    Assignee: International Business Machines Corporation
    Inventors: Matthew J. BrightSky, Chung H. Lam, Gen P. Lauer
  • Patent number: 8748264
    Abstract: A discrete storage element film is disposed above a tunneling dielectric film against a shallow trench isolation structure and under conditions to resist formation of the discrete storage element film upon vertical exposures of the shallow trench isolation structure. A discrete storage element film is also disposed above a tunneling dielectric film against a recessed isolation structure. A microelectronic device incorporates the discrete storage element film. A computing system incorporates the microelectronic device.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: June 10, 2014
    Assignee: Intel Corporation
    Inventor: Kyu S. Min
  • Patent number: 8673717
    Abstract: A method to prevent a gate contact from electrically connecting to a source contact for a plurality of memory cells on a substrate. The method includes forming pillars with a doped silicon region on the substrate. An electrically conductive gate material is deposited between and over the pillars. The gate material is etched such that the gate material partially fills a space between the pillars. The pillars are then etched such that a pair of pillars from the pillars include an insulating material over the doped silicon region. A gate contact is deposited between the pair of pillars such that the gate contact electrically couples the gate material at a contact interface level, and the insulating material extends below the contact interface level.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: March 18, 2014
    Assignee: International Business Machines Corporation
    Inventors: Matthew J. BrightSky, Chung H. Lam, Gen P. Lauer
  • Patent number: 8350308
    Abstract: A read only memory is manufactured with a plurality of transistors (4) on a semiconductor substrate (2). A low-k dielectric (10) and interconnects (14) are provided over the transistors (4). To program the read only memory, the low-k dielectric is implanted with ions (22) in unmasked regions (20) leaving the dielectric unimplanted in masked regions (18). The memory thus formed is difficult to reverse engineer.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: January 8, 2013
    Assignee: NXP B.V.
    Inventors: Aurelie Humbert, Pierre Goarin, Romain Delhougne
  • Patent number: 8243492
    Abstract: Embodiments relate to a manufacturing method of a one time programmable (OTP) memory device including: forming a common source in a linear configuration on a semiconductor substrate; forming a gate dielectric layer on the semiconductor substrate at both sides of the source; forming a gate over the gate dielectric layer; forming a spacer between the gates and at both side walls of the gate; and forming a drain on the semiconductor substrate at both sides of the spacer. With embodiments, the OTP memory device can be formed together with the logic part using the logic process and can increase the storage capacity of the OTP memory device by improving density of memory arrays.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: August 14, 2012
    Assignee: Dongbu HiTek Co., Ltd.
    Inventor: Sung-Kun Park
  • Patent number: 8212231
    Abstract: A resistive memory device and a fabricating method thereof are introduced herein. In resistive memory device, a plurality of bottom electrodes is disposed in active region of a substrate. Each of the bottom electrodes is disposed to correspond to each of the conductive channels; a patterned resistance switching material layer and the patterned top electrode layer are sequentially stacked on the bottom electrodes. An air dielectric layer exists between the patterned resistance switching material layer and the bottom electrodes. A plurality of patterned interconnections is disposed on the patterned top electrode.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 3, 2012
    Assignee: Industrial Technology Research Institute
    Inventor: Wei-Su Chen
  • Patent number: 7902048
    Abstract: A method of forming a phase change layer may include providing a bivalent first precursor having germanium (Ge), a second precursor having antimony (Sb), and a third precursor having tellurium (Te) onto a surface on which the phase change layer is to be formed. The phase change layer may be formed by CVD (e.g., MOCVD, cyclic-CVD) or ALD. The composition of the phase change layer may be varied by modifying the deposition pressure, deposition temperature, and/or supply rate of reaction gas. The deposition pressure may range from about 0.001-10 torr, the deposition temperature may range from about 150-350° C., and the supply rate of the reaction gas may range from about 0-1 slm. Additionally, the above phase change layer may be provided in a via hole and bounded by top and bottom electrodes to form a storage node.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: March 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woong-chul Shin, Jae-ho Lee, Youn-seon Kang
  • Patent number: 7898039
    Abstract: A nonvolatile memory device includes a string selection gate and a ground selection gate on a semiconductor substrate, and a plurality of memory cell gates on the substrate between the string selection gate and the ground selection gate. First impurity regions extend into the substrate to a first depth between ones of the plurality of memory cell gates. Second impurity regions extend into the substrate to a second depth that is greater than the first depth between the string selection gate and a first one of the plurality of memory cell gates immediately adjacent thereto, and between the ground selection gate and a last one of the plurality of memory cell gates immediately adjacent thereto. Related fabrication methods are also discussed.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: March 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Yean Oh, Jai-Hyuk Song, Chang-Sub Lee, Chang-Hyun Lee, Hyun-Jae Kim
  • Publication number: 20110006352
    Abstract: A read only memory is manufactured with a plurality of transistors (4) on a semiconductor substrate (2). A low-k dielectric (10) and interconnects (14) are provided over the transistors (4). To program the read only memory, the low-k dielectric is implanted with ions (22) in unmasked regions (20) leaving the dielectric unimplanted in masked regions (18). The memory thus formed is difficult to reverse engineer.
    Type: Application
    Filed: March 5, 2009
    Publication date: January 13, 2011
    Applicant: NXP B.V.
    Inventors: Aurelie Humbert, Pierre Goarin, Romain Delhougne
  • Patent number: 7808054
    Abstract: An OTP memory cell according to the present invention includes: a semiconductor substrate including a lower electrode forming region having a lower electrode formed therein, a diffusion layer forming region having a source and a drain formed therein, a first trench-type insulating region, and a second trench-type insulating region; an upper electrode being in contact with the first trench-type insulating region and formed on the lower electrode with the first insulating film interposed therebetween; and a gate electrode being in contact with the second trench-type insulating region and formed on a channel region with the second insulating film interposed therebetween, in which a shape of at least a part of an end of the lower electrode forming region in contact with the first insulating film is sharper than a shape of an end of the channel region in contact with the second insulating film.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: October 5, 2010
    Assignee: NEC Electronics Corporation
    Inventor: Masahiro Wada
  • Patent number: 7800155
    Abstract: A semiconductor device includes a gate insulating film formed on a semiconductor substrate, a first gate electrode formed on the gate insulating film, a second gate electrode formed on the gate insulating film between the first gate electrode and a contact plug, a first silicon oxide film formed above the substrate between the first and second gate electrodes, a first silicon nitride film formed along the substrate and a side surface of the second gate electrode between the contact plug and the second gate electrode, a second silicon oxide film formed on the first silicon oxide film, the first gate electrode and the second gate electrode, the second silicon oxide film including an upper surface having a height greater than the height of a first upper surface of the first gate electrode relative to the substrate, and a second silicon nitride film formed on the second silicon oxide film.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: September 21, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Koichi Matsuno
  • Patent number: 7795094
    Abstract: A recessed dielectric antifuse device includes a substrate and laterally spaced source and drain regions formed in the substrate. A recess is formed between the source and drain regions. A gate and gate oxide are formed in the recess and lightly doped source and drain extension regions contiguous with the laterally spaced source and drain regions are optionally formed adjacent the recess. Programming of the recessed dielectric antifuse is performed by application of power to the gate and at least one of the source region and the drain region to breakdown the dielectric, which minimizes resistance between the gate and the channel.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: September 14, 2010
    Assignee: Micron Technology, Inc.
    Inventor: Dwayne Kreipl
  • Patent number: 7692252
    Abstract: A semiconductor integrated circuit device includes a cell well, a memory cell array formed on the cell well and having a memory cell area and cell well contact area, first wiring bodies arranged in the memory cell area, and second wiring bodies arranged in the cell well contact area. The layout pattern of the second wiring bodies is the same as the layout pattern of the first wiring bodies. The cell well contact area comprises cell well contacts that have the same dopant type as the cell well and that function as source/drain regions of dummy transistors formed in the cell well contact area.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: April 6, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Atsuhiro Sato, Kikuko Sugimae, Masayuki Ichige
  • Patent number: 7629638
    Abstract: A semiconductor device, in which both a reduction in a resistivity of a gate electrode and stabilization of transistor characteristics is achieved, and a manufacturing method thereof are disclosed. According to one aspect of the present invention, it is provided a semiconductor device comprising a semiconductor substrate, a plurality of gate electrodes each including an electric charge storage layer formed on the semiconductor substrate through a first insulator, first and second conductor layers, and a second insulator disposed between the electric charge storage layer and the first conductor layer, a barrier insulator provided between the gate electrodes and being in contact with side surfaces alone of the gate electrodes, and an interlayer insulator provided in contact with an upper surface of the second conductor layer.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: December 8, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Toshitake Yaegashi
  • Publication number: 20080036033
    Abstract: A one-time programmable memory. The memory has a substrate, a diffused electrode disposed on the substrate, a shallow trench isolation (STI) region formed on the substrate, a insulator formed on the STI region and the substrate, and a second electrode. The insulator separates the second electrode from the diffused electrode. At least a part of the second electrode overlaps at least a part of the STI region.
    Type: Application
    Filed: August 9, 2007
    Publication date: February 14, 2008
    Applicant: Broadcom Corporation
    Inventors: Akira Ito, Henry Chen