With Supplementary Region Or Layer In Thin Film Or In Insulated Bulk Substrate Supporting It For Controlling Or Increasing Voltage Resistance Of Device (epo) Patents (Class 257/E29.276)
  • Patent number: 9018739
    Abstract: The present application discloses a semiconductor device and a method for manufacturing the same. The semiconductor device comprises a semiconductor substrate; a first semiconductor layer on the semiconductor substrate; a second semiconductor layer surrounding the first semiconductor layer; a high k dielectric layer and a gate conductor formed on the first semiconductor layer; source/drain regions formed in the second semiconductor layer, wherein the second semiconductor layer has a slant sidewall in contact with the first semiconductor layer. The semiconductor device has an increased output current, an increased operating speed, and a reduced power consumption due to the channel region of high mobility.
    Type: Grant
    Filed: September 25, 2010
    Date of Patent: April 28, 2015
    Assignee: Institute of Microelectronics, Chinese Academy of Sciences
    Inventors: Huilong Zhu, Qingqing Liang, Zhijiong Luo, Haizhou Yin
  • Patent number: 8835928
    Abstract: A semiconductor device (100) according to the present invention includes a plurality of source lines (16), a thin film transistor (50A), and a diode element (10A) that electrically connects two source lines (16) among the plurality of source lines (16). A connection region (26) in which the source lines (16) and the diode element (10A) are connected to each other includes a first electrode (3), a second electrode (6a), a third electrode (9a), and a fourth electrode (9b). A part of each source line (16) is a source electrode of the thin film transistor (50A), and the second electrode (6a) and the source lines (16) are formed separately from each other.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: September 16, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiromitsu Katsui, Takeshi Yaneda, Yoshiyuki Isomura
  • Patent number: 8633492
    Abstract: An object is to improve field effect mobility of a thin film transistor using an oxide semiconductor. Another object is to suppress increase in off current even in a thin film transistor with improved field effect mobility. In a thin film transistor using an oxide semiconductor layer, by forming a semiconductor layer having higher electrical conductivity and a smaller thickness than the oxide semiconductor layer between the oxide semiconductor layer and a gate insulating layer, field effect mobility of the thin film transistor can be improved, and increase in off current can be suppressed.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: January 21, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kengo Akimoto, Toshinari Sasaki
  • Patent number: 8618607
    Abstract: One illustrative device disclosed herein includes a continuous active region defined in a semiconducting substrate, first and second transistors formed in and above the continuous active region, each of the first and second transistors comprising a plurality of doped regions formed in the continuous active region, a conductive isolating electrode positioned above the continuous active region between the first and second transistors and a power rail conductively coupled to the conductive isolating electrode.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: December 31, 2013
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Mahbub Rashed, David Doman, Marc Tarabbia, Irene Lin, Jeff Kim, Chinh Nguyen, Steve Soss, Scott Johnson, Subramani Kengeri, Suresh Venkatesan
  • Patent number: 8519453
    Abstract: A transistor device having a metallic source electrode, a metallic drain electrode, a metallic gate electrode and a channel in a deposited semiconductor material, the transistor device comprising: a first layer comprising the metallic gate electrode, a first metal portion of the metallic source electrode and a first metal portion of the metallic drain electrode; a second layer comprising a second metal portion of the metallic source electrode, a second metal portion of the metallic drain electrode, the deposited semiconductor material and dielectric material between the semiconductor material and the metallic gate electrode; and a third layer comprising a substrate, wherein the first, second and third layers are arranged in order such that the second layer is positioned between the first layer and the third layer.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: August 27, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: John Christopher Rudin
  • Patent number: 8501595
    Abstract: Disclosed herein is a thin film prepared using a mixture of nanocrystal particles and a molecular precursor. The nanocrystal is used in the thin film as a nucleus for crystal growth to minimize grain boundaries of the thin film and the molecular precursor is used to form the same crystal structure as the nanocrystal particles, thereby improving the crystallinity of the thin film. The thin film can be used effectively in a variety of electronic devices, including thin film transistors, electroluminescence devices, memory devices, and solar cells. Further disclosed is a method for preparing the thin film.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: August 6, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Joo Jang, Hyun Dam Jeong, Shin Ae Jun, Jong Baek Seon
  • Patent number: 8410541
    Abstract: There is provided a CMOSFET device with threshold voltage controlled by means of interface dipoles and a method of fabricating the same. A cap layer, for example a very thin layer of poly-silicon, amorphous silicon, or SiO2, is interposed inside high-k gate dielectric layers of the CMOSFET device, and the threshold voltage is adjusted by means of the interface dipoles formed by the cap layer inside the high-k gate dielectric layers. According to the present invention, it is possible to effectively optimize the threshold voltage of the CMOSFET device without significantly increasing EOT thereof.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: April 2, 2013
    Assignee: Institute of Microelectronics, Chinese Academy of Sciences
    Inventors: Wenwu Wang, Huilong Zhu, Shijie Chen, Dapeng Chen
  • Patent number: 8384085
    Abstract: An object is to provide a semiconductor device in which characteristics of a driver circuit portion are improved while the aperture ratio of a pixel portion is increased. Alternatively, it is an object to provide a semiconductor device with low power consumption or to provide a semiconductor device in which the threshold voltage of a transistor can be controlled. The semiconductor device includes a substrate having an insulating surface, a pixel portion provided over the substrate, and at least some of driver circuits for driving the pixel portion. A transistor included in the pixel portion and a transistor included in the driver circuit are top-gate bottom-contact transistors. Electrodes and a semiconductor layer of the transistor in the pixel portion have light-transmitting properties. The resistance of electrodes in the driver circuit is lower than the electrodes included in the transistor in the pixel portion.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: February 26, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hajime Kimura, Junichiro Sakata, Kohei Toyotaka
  • Patent number: 8384078
    Abstract: An organic light emitting display device and a method for manufacturing the same. The organic light emitting display device includes: an insulating layer formed on a substrate; a resistance layer of oxide semiconductor formed on the insulating layer; a wiring layer connected to both side portions of the resistance layer; an organic layer formed on the upper portion including the resistance layer and the wiring layer; and a capping layer formed on the organic layer to be overlapped with the resistance layer.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki-Nyeng Kang, Young-Shin Pyo, Jae-Seob Lee
  • Patent number: 8053778
    Abstract: A thin film transistor of the present invention has an active layer including at least source, drain and channel regions formed on an insulating surface. A high resistivity region is formed between the channel region and each of the source and drain regions. A film capable of trapping positive charges therein is provided on at least the high resistivity region so that N-type conductivity is induced in the high resistivity region. Accordingly, the reliability of N-channel type TFT against hot electrons can be improved.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: November 8, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasuhiko Takemura, Satoshi Teramoto
  • Publication number: 20110221002
    Abstract: The present invention discloses a MOS ESD protection device for SOI technology and a manufacturing method for the device. The MOS ESD protection device comprises: an epitaxial silicon layer grown on top of an SOI substrate; a first side-wall spacer disposed on both sides of the epitaxial silicon layer so as to isolate the ESD protection device from the intrinsic active structures; a source region and a drain region disposed respectively on two sides of the epitaxial silicon layer; a poly silicon gate and a gate dielectric formed on top of the epitaxial silicon layer; and a second side-wall spacer disposed on both sides of the poly silicon gate of . ESD leakage current passes down to the SOI substrate for protection. Because ESD protection device and intrinsic MOS transistor are located in the same plane, this fabrication process can be inserted in the current MOS process flow.
    Type: Application
    Filed: July 14, 2010
    Publication date: September 15, 2011
    Applicant: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY
    Inventors: Jing Chen, Jiexin Luo, Qingqing Wu, Bingxu Ning, Zhongying Xue, Xiaolu Huang, Xi Wang
  • Patent number: 7863619
    Abstract: A thin film transistor of the present invention has an active layer including at least source, drain and channel regions formed on an insulating surface. A high resistivity region is formed between the channel region and each of the source and drain regions. A film capable of trapping positive charges therein is provided on at least the high resistivity region so that N-type conductivity is induced in the high resistivity region. Accordingly, the reliability of N-channel type TFT against hot electrons can be improved.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: January 4, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasuhiko Takemura, Satoshi Teramoto
  • Patent number: 7834340
    Abstract: Phase change memory devices are provided including a selection element electrically connected to a phase change material pattern. The selection element includes a metallic conductor and a semiconductor that are in contact with each other. A depletion region in contact with a metallic pattern is generated in the semiconductor in an equilibrium state. The depletion region includes a high barrier region having an electric potential barrier higher than an interface electric potential barrier and a low barrier region having an electric potential barrier lower than the interface electric potential barrier. Related methods are also provided.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: November 16, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Nam-Bin Kim
  • Patent number: 7772620
    Abstract: A junction field effect transistor comprises a silicon-on-insulator architecture. A front gate region and a back gate region are formed in a silicon region of the SOI architecture. The silicon region has a thin depth such that the back gate region has a thin depth, and whereby a depletion region associated with the back gate region recedes substantially up to an insulating layer of the SOI architecture.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: August 10, 2010
    Assignee: SuVolta, Inc.
    Inventor: Ashok K. Kapoor
  • Patent number: 7754595
    Abstract: An insulating film on a semiconductor substrate has a first titanium nitride film, an aluminum film, and a second titanium nitride film formed thereon, and an insulating film is formed so as to cover a lower electrode wiring. Then, the insulating film is dry-etched anisotropically so that the insulating film on the lower electrode wiring is removed, and a portion of the insulating film on the lower electrode wiring is left as a sidewall. A deposit deposited during the etching of the insulating film on the lower electrode wiring is removed by radical etching without using ion bombardment. The deposit contains Ti that is a metal element forming the second titanium nitride film. Subsequently, the second titanium nitride film is nitrided through ammonium plasma, and an insulating film to cover the lower electrode wiring is formed.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: July 13, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Hiroyuki Enomoto, Shoichi Uno, Seiko Ishihara, Takashi Yahata
  • Patent number: 7727835
    Abstract: The present invention is directed to an SOI device with charging protection and methods of making same. In one illustrative embodiment, a device is formed on an SOI substrate including a bulk substrate, a buried insulation layer and an active layer. The device includes a transistor formed in an isolated portion of the active layer, the transistor including a gate electrode and a source region. The device further includes a first conductive bulk substrate contact extending through the active layer and the buried insulation layer, the first conductive bulk substrate contact being conductively coupled to the source region and the bulk substrate, and a second conductive bulk substrate contact extending through the active layer and the buried insulation layer, the second conductive bulk substrate being conductively coupled to the gate electrode and the bulk substrate.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: June 1, 2010
    Assignee: Advanced Micro Devices, Inc.
    Inventors: David D. Wu, Jingrong Zhou
  • Patent number: 7696510
    Abstract: An integrated circuit includes a first electrode, a second, a first resistivity changing material contacting the first electrode at a first interface, and a second resistivity changing material contacting the second electrode at a second interface. A direct communication path between the first interface and the second interface is greater than the lateral distance.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: April 13, 2010
    Assignee: Qimonda AG
    Inventors: Jan Boris Philipp, Thomas Happ
  • Patent number: 7671355
    Abstract: The present invention relates to a phase change memory and a method of fabricating a phase change memory. The phase change memory includes a heater structure disposed on a phase change material pattern, wherein the heater structure is in a tapered shape with a bottom portion contacting the phase change material pattern. The fabrication of the phase change memory is compatible with the fabrication of logic devices, and accordingly an embedded phase change memory can be fabricated.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: March 2, 2010
    Assignee: United Microelectronics Corp.
    Inventors: Chien-Li Kuo, Kuei-Sheng Wu, Yung-Chang Lin
  • Patent number: 7655941
    Abstract: A phase change memory device comprising a substrate. A plurality of bottom electrodes isolated from each other is on the substrate. An insulating layer crosses a portion of the surfaces of any two of the adjacent bottom electrodes. A pair of phase change material spacers is on a pair of sidewalls of the insulating layer, wherein the pair of the phase change material spacers is on any two of the adjacent bottom electrodes, respectively. A top electrode is on the insulating layer and covers the phase change material spacers.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: February 2, 2010
    Assignees: Industrial Technology Research Institute, Powerchip Semiconductor Corp., Nanya Technology Corporation, ProMOS Technologies, Inc., Winbond Electronics Corp.
    Inventors: Yung-Fa Lin, Te-Chun Wang
  • Patent number: 7652307
    Abstract: In a semiconductor device of the present invention, a MOS transistor is disposed in an elliptical shape. Linear regions in the elliptical shape are respectively used as the active regions, and round regions in the elliptical shape is used respectively as the inactive regions. In each of the inactive regions, a P type diffusion layer is formed to coincide with a round shape. Another P type diffusion layer is formed in a part of one of the inactive regions. These P type diffusion layers are formed as floating diffusion layers, are capacitively coupled to a metal layer on an insulating layer, and assume a state where predetermined potentials are respectively applied thereto. This structure makes it possible to maintain current performance of the active regions, while improving the withstand voltage characteristics in the inactive regions.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: January 26, 2010
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Shuichi Kikuchi, Kiyofumi Nakaya, Shigeaki Okawa
  • Patent number: 7638788
    Abstract: Provided are a phase change memory device and a method of forming the same. According to the phase change memory, a first plug electrode and a second plug electrode are spaced apart from each other in a mold insulating layer. A phase change pattern is disposed on the mold insulating layer. The phase change pattern contacts a top of the first plug electrode and a first potion of a top of the second plug electrode. An interconnection is electrically connected to a second portion of the top of the second plug electrode.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: December 29, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Ho Ahn, Hideki Horii, Jong-Chan Shin, Jun-Soo Bae, Hyeong-Geun An
  • Patent number: 7514748
    Abstract: A semiconductor device such as a DRAM memory device is disclosed. A substrate (12) of semiconductor material is provided with energy band modifying means in the form of a box region (38) and is covered by an insulating layer (14). A semiconductor layer (16) has source (18) and drain (20) regions formed therein to define bodies (22) of respective field effect transistors. The box region (38) is more heavily doped than the adjacent body (22), but less highly doped than the corresponding source (18) and drain (20), and modifies the valence and/or conduction band of the body (22) to increase the amount of electrical charge which can be stored in the body (22).
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: April 7, 2009
    Assignee: Innovative Silicon ISi SA
    Inventors: Pierre Fazan, Serguei Okhonin
  • Publication number: 20070228473
    Abstract: The present invention comprises a method for forming an ultra-thin channel MOSFET and the ultra-thin channel MOSFET produced therefrom. Specifically, the method comprises providing an SOI substrate having a buried insulating layer underlying an SOI layer; forming a pad stack atop the SOI layer; forming a block mask having a channel via atop the pad stack; providing a localized oxide region in the SOI layer on top of the buried insulating layer thereby thinning a portion of the SOI layer, the localized oxide region being self-aligned with the channel via; forming a gate in the channel via; removing at least the block mask; and forming source/drain extensions in the SOI layer abutting the thinned portion of the SOI layer. Providing the localized oxide region further comprises implanting oxygen dopant through the channel via into a portion of the SOI layer; and annealing the dopant to create the localized oxide region.
    Type: Application
    Filed: June 5, 2007
    Publication date: October 4, 2007
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Diane Boyd, Bruce Doris, Meikei Ieong, Devendra Sadana
  • Publication number: 20070182030
    Abstract: In a first aspect, a first method of manufacturing a high-voltage transistor is provided. The first method includes the steps of (1) providing a substrate including a bulk silicon layer that is below an insulator layer that is below a silicon-on-insulator (SOI) layer; and (2) forming one or more portions of a transistor node including a diffusion region of the transistor in the SOI layer. A portion of the transistor node is adapted to reduce a voltage greater than about 5 V within the transistor to a voltage less than about 3 V. Numerous other aspects are provided.
    Type: Application
    Filed: February 3, 2006
    Publication date: August 9, 2007
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: William Ma, Jack Mandelman, Carl Radens, William Tonti