Patents Examined by Aaron Gray
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Patent number: 9502532Abstract: Provided is a method of manufacturing a semiconductor device including: forming a gate electrode structure on an active region of a semiconductor substrate; forming recesses in regions positioned on both sides of the gate electrode structure on the active region; performing a pre-treatment on the recesses using an inert gas plasma; growing epitaxial layers for a source and a drain on the pre-treated recesses; and forming a source electrode structure and a drain electrode structure in the epitaxial layers for the source and the drain, respectively. Also provided is a method in which, after an etching process for forming recesses and/or after an etching process for forming a contact hole, an etched surface may be treated with an inert gas plasma before growing an epitaxial layer. Thus, one or two types of plasma treatment may be employed in the method.Type: GrantFiled: May 8, 2015Date of Patent: November 22, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Hong Bum Park, Dong Chan Suh, Kwan Heum Lee
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Patent number: 9496141Abstract: A method of making a device comprises forming a layer comprising quantum dots over a substrate including a first electrode, fixing the layer comprising quantum dots formed over the substrate, and exposing at least a portion of, and preferably all, exposed surfaces of the fixed layer comprising quantum dots to small molecules. Also disclosed is a method of making a device, the method comprising forming a layer comprising quantum dots over a substrate including a first electrode, exposing the layer comprising quantum dots to small molecules and light flux. A method of making a film including a layer comprising quantum dots, and a method of preparing a device component including a layer comprising quantum dots are also disclosed. Devices, device components, and films are also disclosed.Type: GrantFiled: May 10, 2012Date of Patent: November 15, 2016Assignee: QD VISION, INC.Inventors: Peter T. Kazlas, John Spencer Morris, Robert J. Nick, Zoran Popovic, Matthew Stevenson, Jonathan S. Steckel
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Patent number: 9496262Abstract: An integrated circuit containing an n-channel finFET and a p-channel finFET is formed by forming a first polarity fin epitaxial layer for a first polarity finFET, and subsequently forming a hard mask which exposes an area for a second, opposite, polarity fin epitaxial layer for a second polarity finFET. The second polarity fin epitaxial layer is formed in the area exposed by the hard mask. A fin mask defines the first polarity fin and second polarity fin areas, and a subsequent fin etch forms the respective fins. A layer of isolation dielectric material is formed over the substrate and fins. The layer of isolation dielectric material is planarized down to the fins. The layer of isolation dielectric material is recessed so that the fins extend at least 10 nanometers above the layer of isolation dielectric material. Gate dielectric layers and gates are formed over the fins.Type: GrantFiled: December 17, 2014Date of Patent: November 15, 2016Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Manoj Mehrotra, Charles Frank Machala, III, Rick L. Wise, Hiroaki Niimi
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Patent number: 9454633Abstract: An integrated circuit layout is formed by performing a routing step forming a routing layout of routing conductors and routing connection vias prior to performing a power grid connection step which forms power connection vias between power grid conductors and standard-power cell conductors within the standard cells. This enables a minimum via spacing requirement to be met while permitting an increased flexibility in the positioning of the routing connection vias.Type: GrantFiled: June 18, 2014Date of Patent: September 27, 2016Assignee: ARM LimitedInventor: Marlin Wayne Frederick, Jr.
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Patent number: 9455332Abstract: The Rds*Cgd figure of merit (FOM) of a laterally diffused metal oxide semiconductor (LDMOS) transistor is improved by forming the drain drift region with a number of dopant implants at a number of depths, and forming a step-shaped back gate region with a number of dopant implants at a number of depths to adjoin the drain drift region.Type: GrantFiled: November 30, 2014Date of Patent: September 27, 2016Assignee: TEXAS INSTRUMENTS INCORPORATEDInventor: Jun Cai
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Patent number: 9455274Abstract: A method of forming replacement fins in a complimentary-metal-oxide-semiconductor (CMOS) device that includes a p-type field effect transistor device (pFET) and an n-type field effect transistor device (nFET) and a CMOS device are described. The method includes forming strained silicon (Si) fins from a strained silicon-on-insulator (SSOI) layer in both an nFET region and a pFET region, forming insulating layers over the strained Si fins, and forming trenches within the insulating layers to expose the strained Si fins in the pFET region only. The method also includes etching the strained Si fins in the pFET region to expose a buried oxide (BOX) layer of the SSOI layer, etching the exposed portions of the BOX layer to expose a bulk substrate, epitaxially growing a Si portion of pFET replacement fins from the bulk substrate, and epitaxially growing silicon germanium (SiGe) portions of the pFET replacement fins on the Si portion of the pFET replacement fins.Type: GrantFiled: January 30, 2015Date of Patent: September 27, 2016Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Bruce B. Doris, Hong He, Ali Khakifirooz, Junli Wang
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Patent number: 9443878Abstract: A display device includes a lower wiring layer, an interlayer insulating layer, and an upper wiring layer. The lower wiring layer includes first partial electrode portions, first cuttable portions, and first openings; the upper wiring layer includes second partial electrode portions, second cuttable portions, and second openings. The first partial electrode portions and the second partial electrode portions are disposed in overlapping positions in the stacking direction; all the first cuttable portions and the second openings are disposed in overlapping positions in the stacking direction; all the second cuttable portions and the first openings are disposed in overlapping positions in the stacking direction.Type: GrantFiled: June 24, 2013Date of Patent: September 13, 2016Assignee: JOLED INC.Inventors: Masafumi Matsui, Kouhei Ebisuno
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Patent number: 9443984Abstract: A semiconductor device capable of high speed operation is provided. Further, a highly reliable semiconductor device is provided. An oxide semiconductor having crystallinity is used for a semiconductor layer of a transistor. A channel formation region, a source region, and a drain region are formed in the semiconductor layer. The source region and the drain region are formed in such a manner that one or more of elements selected from rare gases and hydrogen are added to the semiconductor layer by an ion doping method or an ion implantation method with the use of a channel protective layer as a mask.Type: GrantFiled: December 20, 2011Date of Patent: September 13, 2016Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventor: Shunpei Yamazaki
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Patent number: 9444063Abstract: To increase emission efficiency of a fluorescent light-emitting element by efficiently utilizing a triplet exciton generated in a light-emitting layer. The light-emitting layer of the light-emitting element includes at least a host material and a guest material. The triplet exciton generated from the host material in the light-emitting layer is changed to a singlet exciton by triplet-triplet annihilation (TTA). The guest material (fluorescent dopant) is made to emit light by energy transfer from the singlet exciton. Thus, the emission efficiency of the light-emitting element is improved.Type: GrantFiled: May 13, 2014Date of Patent: September 13, 2016Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yusuke Nonaka, Satoshi Seo, Harue Osaka, Tsunenori Suzuki, Takeyoshi Watabe
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Patent number: 9425252Abstract: A method of forming a SDB including a protective layer or bilayer and the resulting device are provided. Embodiments include forming a SDB of oxide in a Si substrate; forming a nitride layer over the Si substrate; forming a photoresist over the SDB and a portion of the nitride layer; removing the nitride layer on opposite sides of the photoresist down to the Si substrate, leaving a portion of the nitride layer only under the photoresist; forming a gate above the SBD and the portion of the nitride layer.Type: GrantFiled: January 30, 2015Date of Patent: August 23, 2016Assignee: GLOBALFOUNDRIES INC.Inventors: Hui Zang, Bingwu Liu
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Patent number: 9425276Abstract: The present disclosure relates to a donor layer of bi-layer AlGaN and associated method of fabrication within a high electron mobility transistor (HEMT) configured to provide low-resistance ohmic source and drain contacts to reduce power consumption, while maintaining a high-mobility of a two-dimensional electron gas (2DEG) within a channel of the HEMT. The donor layer of bi-layer AlGaN comprises a mobility-enhancing layer of AlzGa(1-z)N, a resistance-reducing layer of AlxGa(1-x)N disposed over the mobility-enhancing layer, wherein the ohmic source and drain contacts connect to the HEMT. A channel layer of GaN is disposed beneath the mobility-enhancing layer, wherein a 2DEG resides, forming the channel of the HEMT.Type: GrantFiled: January 21, 2013Date of Patent: August 23, 2016Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Po-Chun Liu, Chung-Yi Yu, Chi-Ming Chen, Chen-Hao Chiang
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Patent number: 9412927Abstract: Techniques are described to form an absorption stack proximate to a thermopile sensor. In one or more implementations, a thermopile sensor is formed proximate to a semiconductor wafer. An absorption stack is formed proximate to the semiconductor wafer and includes a first layer, a second layer, and a third layer. The first layer may be a material having absorption and/or reflective characteristics. The second layer may be a material having wave phase shift characteristic characteristics. The third layer may be a material having a reflective characteristic.Type: GrantFiled: December 17, 2014Date of Patent: August 9, 2016Assignee: Maxim Integrated Products, Inc.Inventors: Arvin Emadi, Stanley Barnett
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Patent number: 9391129Abstract: A display device comprising including a plurality of pixels arranged in the shape of a matrix above a substrate, and a plurality of thin film transistors arranged corresponding to each of the plurality of pixel having an organic EL layer, the device comprising; a planarized film covering the thin film transistor and a wire connected with the thin film transistor; a reflecting layer formed above the planarized film; a light path length expanded layer covering the reflecting layer; and a pixel transparent electrode formed above the light path length expanded layer.Type: GrantFiled: May 13, 2014Date of Patent: July 12, 2016Assignee: Japan Display Inc.Inventors: Naoki Tokuda, Mitsuhide Miyamoto
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Patent number: 9385023Abstract: A semiconductor structure is provided that contains silicon fins having different heights, while maintaining a reasonable fin height to width ratio for process feasibility. The semiconductor structure includes a first silicon fin of a first height that is located on a first buried oxide structure. The structure further includes a second silicon fin of a second height that is located on a second buried oxide structure that is spaced apart from the first buried oxide structure. The second height of the second silicon fin is greater than the first height of the first silicon fin, yet a topmost surface of the first silicon fin is coplanar of a topmost surface with the second silicon fin.Type: GrantFiled: May 14, 2015Date of Patent: July 5, 2016Assignee: GLOBALFOUNDRIES INC.Inventors: Kangguo Cheng, Joel P. de Souza, Ali Khakifirooz, Alexander Reznicek, Dominic J. Schepis
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Patent number: 9378957Abstract: The use of doped silicon nanoparticle inks and other liquid dopant sources can provide suitable dopant sources for driving dopant elements into a crystalline silicon substrate using a thermal process if a suitable cap is provided. Suitable caps include, for example, a capping slab, a cover that may or may not rest on the surface of the substrate and a cover layer. Desirable dopant profiled can be achieved. The doped nanoparticles can be delivered using a silicon ink. The residual silicon ink can be removed after the dopant drive-in or at least partially densified into a silicon material that is incorporated into the product device. The silicon doping is suitable for the introduction of dopants into crystalline silicon for the formation of solar cells.Type: GrantFiled: February 14, 2014Date of Patent: June 28, 2016Assignee: NanoGram CorporationInventors: Guojun Liu, Uma Srinivasan, Shivkumar Chiruvolu
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Patent number: 9368496Abstract: Methods for creating uniform source/drain cavities filled with uniform levels of materials in an IC device and resulting devices are disclosed. Embodiments include forming a hard mask on an upper surface of a Si substrate, the hard mask having an opening over a STI region formed in the Si substrate and extending over adjacent portions of the Si substrate; forming low-k dielectric spacers on a lower portion of sidewalls of the opening, the spacers being formed between the sidewalls and the STI region; filling the opening with an oxide; removing the hard mask; removing an upper portion of the oxide and a portion of the low-k dielectric spacers; revealing a Si fin in the Si substrate; forming equally spaced gate electrodes, each having sidewall spacers, over the Si fin and the oxide; and forming source/drain regions in the Si fin between each pair of adjacent gate electrodes.Type: GrantFiled: January 30, 2015Date of Patent: June 14, 2016Assignee: GLOBALFOUNDRIES INC.Inventors: Hong Yu, HongLiang Shen
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Patent number: 9368386Abstract: The threshold voltage of parasitic transistors formed at corners of shallow trench isolation regions is increased and mobility decreased by employing a high-K dielectric material. Embodiments include STI regions comprising a liner of a high-K dielectric material extending proximate trench corners. Embodiments also include STI regions having a recess formed in the trench, wherein the recess contains a high-K dielectric material, in the form of a layer or spacer, extending proximate trench corners.Type: GrantFiled: June 26, 2013Date of Patent: June 14, 2016Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.Inventors: Shyue Seng Tan, Ying Keung Leung, Elgin Quek
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Patent number: 9362187Abstract: A chip package includes an integrated circuit chip. A first group of terminal pads of the chip package is electrically connected to the integrated circuit chip and a second group of terminal pads of the chip package is electrically connected to the integrated circuit chip. The first and second groups of terminal pads are arranged on a common terminal surface of the chip package. A pad size of a terminal pad of the first group of terminal pads is greater than a pad size of a terminal pad of the second group of terminal pads.Type: GrantFiled: January 18, 2013Date of Patent: June 7, 2016Assignee: Infineon Technologies AGInventor: Peter Ossimitz
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Patent number: 9362286Abstract: Various embodiments provide semiconductor devices and methods for forming the same. A first fin and a second fin are formed on a semiconductor substrate. A first dielectric layer is formed on the semiconductor substrate and has a top surface lower than a top surface of both of the first fin and the second fin. A gate structure is formed on the first dielectric layer and covering across a first portion of each of the first fin and the second fin. A second portion of the first fin on both sides of the gate structure is removed, forming a first recess. A first semiconductor layer is formed in the first recess. A second dielectric layer is formed on the first dielectric layer and the first semiconductor layer, and exposes a top surface of the second fin. A second semiconductor layer is formed on the exposed top surface of the second fin.Type: GrantFiled: December 18, 2014Date of Patent: June 7, 2016Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Mieno Fumitake, Jianhua Ju
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Patent number: 9362420Abstract: The present invention discloses a transistor structure for electrostatic discharge protection. The structure includes a substrate, a doped well, a first doped region, a second doped region and a third doped region. The doped well is disposed in the substrate and has a first conductive type. The first doped region is disposed in the substrate, encompassed by the doped well and has the first conductive type. The second doped region is disposed in the substrate, encompassed by the doped well and has a second conductive type. The third doped region is disposed in the substrate, encompassed by the doped well and has the second conductive type. A gap is disposed between the first doped region and the second doped region.Type: GrantFiled: January 21, 2013Date of Patent: June 7, 2016Assignee: UNITED MICROELECTRONICS CORP.Inventors: Lu-An Chen, Tien-Hao Tang