Patents Issued in March 6, 2014
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Publication number: 20140061730Abstract: A cap and substrate having an electrical connection at a wafer level includes providing a substrate and forming an electrically conductive ground structure in the substrate and electrically coupled to the substrate. An electrically conductive path to the ground structure is formed in the substrate. A top cap is then provided, wherein the top cap includes an electrically conductive surface. The top cap is bonded to the substrate so that the electrically conductive surface of the top cap is electrically coupled to the path to the ground structure.Type: ApplicationFiled: November 22, 2013Publication date: March 6, 2014Inventor: Jung-Huei Peng
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Publication number: 20140061731Abstract: A device includes a semiconductor substrate, first and second electrodes supported by the semiconductor substrate, laterally spaced from one another, and disposed at a surface of the semiconductor substrate to form an Ohmic contact and a Schottky junction, respectively. The device further includes a conduction path region in the semiconductor substrate, having a first conductivity type, and disposed along a conduction path between the first and second electrodes, a buried region in the semiconductor substrate having a second conductivity type and disposed below the conduction path region, and a device isolating region electrically coupled to the buried region, having the second conductivity type, and defining a lateral boundary of the device. The device isolating region is electrically coupled to the second electrode such that a voltage at the second electrode during operation is applied to the buried region to deplete the conduction path region.Type: ApplicationFiled: September 6, 2012Publication date: March 6, 2014Applicant: Freescale Semiconductor, Inc.Inventors: Weize Chen, Xin Lin, Patrice M. Parris
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Publication number: 20140061732Abstract: A method for enabling fabrication of RMG devices having a low gate height variation and a substantially planar topography and resulting device are disclosed. Embodiments include: providing on a substrate two dummy gate electrodes, each between a pair of spacers; providing a source/drain region between the two dummy gate electrodes; and forming a first nitride layer over the two dummy gate electrodes and the source/drain region, wherein the first nitride layer comprises a first portion over the dummy gate electrodes and a second portion over the source/drain region, and the second portion has an upper surface substantially coplanar with an upper surface of the dummy gate electrodes.Type: ApplicationFiled: August 28, 2012Publication date: March 6, 2014Applicant: GLOBALFOUNDRIES Inc.Inventors: Hong Yu, Wang Haiting, Yongsik Moon, James Lee, Huang Liu
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Publication number: 20140061733Abstract: A semiconductor device includes a semiconductor body with a first surface, a contact electrode arranged on the first surface, and a passivation layer on the first surface adjacent the contact electrode. The passivation layer includes a layer stack with an amorphous semi-insulating layer on the first surface, a first nitride layer on the amorphous semi-insulating layer, and a second nitride layer on the first nitride layer.Type: ApplicationFiled: August 29, 2012Publication date: March 6, 2014Applicant: INFINEON TECHNOLOGIES AGInventors: Gerhard Schmidt, Josef-Georg Bauer, Carsten Schaeffer, Oliver Humbel, Angelika Koprowski, Sirinpa Monayakul
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Publication number: 20140061734Abstract: A gate dielectric and a gate electrode are formed over a plurality of semiconductor fins. An inner gate spacer is formed and source/drain extension regions are epitaxially formed on physically exposed surface of the semiconductor fins as discrete components that are not merged. An outer gate spacer is subsequently formed. A merged source region and a merged drain region are formed on the source extension regions and the drain extension regions, respectively. The increased lateral spacing between the merged source/drain regions and the gate electrode through the outer gate spacer reduces parasitic capacitance for the fin field effect transistor.Type: ApplicationFiled: August 31, 2012Publication date: March 6, 2014Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Veeraraghavan S. Basker, Effendi Leobandung, Tenko Yamashita
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Publication number: 20140061735Abstract: A method for manufacturing a transistor device is provided, the transistor device comprising a germanium based channel layer, the method comprising providing a gate structure on the germanium comprising channel layer provided on a substrate, the gate structure being provided between a germanium based source area and a germanium based drain area at opposite sides of the germanium comprising channel layer; providing a capping layer on the germanium based source and the germanium based drain area, the capping layer comprising Si and Ge; depositing a metal layer on the capping layer; performing a temperature step, thereby transforming at least part of the capping layer into a metal germano-silicide which is not soluble in a predetermined etchant adapted for dissolving the metal; selectively removing non-consumed metal from the substrate by means of the predetermined etchant; and providing a premetal dielectric layer.Type: ApplicationFiled: August 30, 2013Publication date: March 6, 2014Applicants: IMEC, Globalfoundries Inc., Taiwan Semiconductor Maunfacturing Company, Ltd.Inventors: Liesbeth Witters, Rita Vos, David Brunco, Marcus Johannes Henricus Van Dal
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Publication number: 20140061736Abstract: A semiconductor device includes a stack structure of a conductive line and an insulating capping line extending in a first direction on a substrate, a plurality of contact plugs arranged in a row along the first direction and having sidewall surfaces facing the conductive line with air spaces between the sidewall surfaces and the conductive line, and a support interposed between the insulating capping line and the contact plugs to limit the height of the air spaces. The width of the support varies or the support is present only intermittently in the first direction. In a method of manufacturing the semiconductor devices, a sacrificial spacer is formed on the side of the stack structure, the spacer is recessed, a support layer is formed in the recess, the support layer is etched to form the support, and then the remainder of the spacer is removed to provide the air spaces.Type: ApplicationFiled: September 5, 2013Publication date: March 6, 2014Inventors: YOO-SANG HWANG, HYUN-WOO CHUNG, DAE-IK KIM
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Publication number: 20140061737Abstract: A system and method for isolating semiconductor devices is provided. An embodiment comprises an isolation region that is laterally removed from source/drain regions of semiconductor devices and has a dielectric material extending over the isolation implant between the source/drain regions. The isolation region may be formed by forming an opening through a layer over the substrate, depositing a dielectric material along the sidewalls of the opening, implanting ions into the substrate after the deposition, and filling the opening with another dielectric material.Type: ApplicationFiled: August 29, 2012Publication date: March 6, 2014Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Wen-I Hsu, Min-Feng Kao, Jen-Cheng Liu, Dun-Nian Yaung, Tzu-Hsuan Hsu, Wen-De Wang
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Publication number: 20140061738Abstract: The present disclosure relates to a method and composition to limit crystalline defects introduced in a semiconductor device during ion implantation. A high-temperature low dosage implant is performed utilizing a tri-layer photoresist which maintains the crystalline structure of the semiconductor device while limiting defect formation within the semiconductor device. The tri-layer photoresist comprises a layer of spin-on carbon deposited onto a substrate, a layer of silicon containing hard-mask formed above the layer of spin-on carbon, and a layer of photoresist formed above the layer of silicon containing hard-mask. A pattern formed in the layer of photoresist is sequentially transferred to the silicon containing hard-mask, then to the spin-on carbon, and defines an area of the substrate to be selectively implanted with ions.Type: ApplicationFiled: September 4, 2012Publication date: March 6, 2014Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chung Chien Wang, Yeur-Luen Tu, Cheng-Ta Wu, Jiech-Fun Lu, Chun-Wei Chang, Wang-Pen Mo, Jhy-Jyi Sze, Chia-Shiung Tsai
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Publication number: 20140061739Abstract: A transistor a gate of which, one of a source and a drain of which, and the other are electrically connected to a selection signal line, an output signal line, and a reference signal line, respectively and a photodiode one of an anode and a cathode of which and the other are electrically connected to a reset signal line and a back gate of the transistor, respectively are included. The photodiode is forward biased to initialize the back-gate potential of the transistor, the back-gate potential is changed by current of the inversely-biased photodiode flowing in an inverse direction in accordance with the light intensity, and the transistor is turned on to change the potential of the output signal line, so that a signal in accordance with the intensity is obtained.Type: ApplicationFiled: November 7, 2013Publication date: March 6, 2014Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventor: Yoshiyuki KUROKAWA
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Publication number: 20140061740Abstract: An ESD protection device is described, including a substrate of a first conductivity, a well of a second conductivity, a transistor including a first doped region of the second conductivity located in the substrate and extending into the well, a second doped region of the first conductivity and a gate over the substrate between the two doped regions, a third doped region of the second conductivity and a fourth doped region of the first conductivity disposed in the substrate in sequence from an outer side of the second doped region and coupled to ground, and a fifth doped region of the first conductivity and a sixth doped region of the second conductivity disposed in the well in sequence from an outer side of the first doped region and coupled to a bonding pad. When an ESD voltage is applied to the bonding pad, it is coupled to the gate.Type: ApplicationFiled: September 4, 2012Publication date: March 6, 2014Applicant: MACRONIX International Co. Ltd.Inventor: Yung-Hang HO
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Publication number: 20140061741Abstract: A semiconductor device comprises a bit line formed over a semiconductor substrate. The bit line has an upper portion and a lower portion, and the upper portion is narrower than the lower portion. An barrier film is formed over sidewalls of the bit line, and a storage node contact plug is obtained by filling a space between the bit lines so that an upper portion of the storage node contact is wider than a lower portion of the storage node contact. As a result, the process can be simplified and a short between the storage node contact plug and the bit line can be prevented.Type: ApplicationFiled: December 17, 2012Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventor: Hyung Jin PARK
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Publication number: 20140061742Abstract: A semiconductor device comprises an isolation region, an active region, a first gate trench extending continuously from the active region to the isolation region, first and second insulating films, a first conductive layer, and a cap insulating film. The first insulating film covers an inner surface of the first gate trench. The second insulating film interposes between the first insulating film and the inner surface of the first gate trench at the active region. The first conductive layer buries a lower portion of the first gate trench so as to cover at least a part of the first insulating film.Type: ApplicationFiled: July 17, 2013Publication date: March 6, 2014Inventors: Junichiro NISHITANI, Hirotoshi SEKI, Kenji WATANABE
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Publication number: 20140061743Abstract: Provided are a semiconductor device and a method of fabricating the same. The semiconductor device may include a substrate, a device isolation layer defining one or more active regions at the substrate, and one or more gate lines buried in the substrate. Each of the gate lines comprises a first portion on the device isolation layer and a second portion on an active region of the active regions. A top surface of the first portion is lower than a top surface of the second portion.Type: ApplicationFiled: July 18, 2013Publication date: March 6, 2014Inventors: Hyunchul Kim, Jae-Seok Kim, Chan-Hong Park
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Publication number: 20140061744Abstract: A capacitor includes a semiconductor substrate. The capacitor also includes a first terminal having a fin disposed on a surface of the semiconductor substrate. The capacitor further includes a dielectric layer disposed onto the fin. The capacitor still further includes a second terminal having a FinFET compatible high-K metal gate disposed proximate and adjacent to the fin.Type: ApplicationFiled: September 4, 2012Publication date: March 6, 2014Applicant: QUALCOMM IncorporatedInventors: Ron Zhang, Lew G. Chua-Eoan, Shiqun Gu
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Publication number: 20140061745Abstract: A semiconductor device includes body lines, formed substantially perpendicular to a substrate, and having recessed sidewalls, buried bit lines, buried in the recessed sidewalls, and including a metal silicide, and a barrier layer interposed between each of the buried bit lines and the body lines corresponding thereto, and containing germanium.Type: ApplicationFiled: March 13, 2013Publication date: March 6, 2014Applicant: SK hynix Inc.Inventors: Ju-Hyun MYUNG, Eui-Seong HWANG, Eun-Shil PARK, Tae-Yoon KIM
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Publication number: 20140061746Abstract: A method for fabricating a semiconductor device includes etching a semiconductor substrate to form bulb-type trenches that define a plurality of active regions in the semiconductor substrate; forming a supporter in each of the bulb-type trenches; dividing each active region, of the plurality of active regions, into a pair of body lines by forming a trench through each active region; and forming a bit line in each body line of the pair of body lines.Type: ApplicationFiled: December 19, 2012Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventors: Heung-Jae CHO, Eui-Seong HWANG, Eun-Shil PARK
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Publication number: 20140061747Abstract: Some embodiments include apparatuses and methods having a substrate, a memory cell string including a body, a select gate located in a level of the apparatus and along a portion of the body, and control gates located in other levels of the apparatus and along other respective portions of the body. At least one of such apparatuses includes a conductive connection coupling the select gate or one of the control gates to a component (e.g., transistor) in the substrate. The connection can include a portion going through a portion of at least one of the control gates.Type: ApplicationFiled: August 30, 2012Publication date: March 6, 2014Inventors: Toru Tanzawa, Tamotsu Murakoshi, Deepak Thimmegowda
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Publication number: 20140061748Abstract: A non-volatile memory device and a method of manufacturing the same are provided. The device includes a substrate including a cell region and a peripheral region, a gate pattern formed over the substrate in the peripheral region, a multilayered structure formed over the gate pattern in the peripheral region, the multilayered structure including interlayer insulating layers and material layers for sacrificial layers, and a capping layer formed between the gate pattern and the multilayered structure in the peripheral region to cover the substrate, the capping layer configured to prevent diffusion of impurities from the material layers for the sacrificial layers into the substrate in the peripheral region.Type: ApplicationFiled: December 14, 2012Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventor: Dong Kee LEE
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Publication number: 20140061749Abstract: Disclosed are transparent non-volatile memory devices and methods of manufacturing the same. The method may include forming an active layer on a substrate, forming a source and a drain spaced apart from each other on the active layer, forming a gate insulating layer having quantum dots on the source, the drain, and the active layer, and forming a gate on the gate insulating layer between the source and the drain. The quantum dots and the gate insulating layer may be formed simultaneously.Type: ApplicationFiled: December 18, 2012Publication date: March 6, 2014Applicant: Electronics and Telecommunications Research InstituteInventor: Rae-Man PARK
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Publication number: 20140061750Abstract: A semiconductor memory device includes a first substrate on which a cell region is defined. In the cell region, memory cells are stacked. A second substrate is located above the first substrate, and a peripheral region is defined on the second substrate. One or more conductive lines are located in the peripheral region. The one or more lines extend through the second substrate and couple to the cell region.Type: ApplicationFiled: January 7, 2013Publication date: March 6, 2014Applicant: SK hynix Inc.Inventors: Oh Chul KWON, Ki Hong Lee, Seung Ho Pyi
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Publication number: 20140061751Abstract: According to one embodiment, a nonvolatile semiconductor memory device includes a memory cell region provided with a plurality of memory cells, and a peripheral region provided around the memory cell region. The device includes: a foundation layer provided in the memory cell region and in the peripheral region, the foundation layer including a plurality of wiring layers and a plurality of device elements; and a stacked body provided on the foundation layer, the stacked body including a plurality of electrode layers and a plurality of intermediate layers alternately stacked. The peripheral region includes an interlayer insulating film provided on the stacked body; and an electrode pad provided on the interlayer insulating film and electrically connected to one of the plurality of wiring layers.Type: ApplicationFiled: March 21, 2013Publication date: March 6, 2014Applicant: Kabushiki Kaisha ToshibaInventor: Hiroomi NAKAJIMA
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Publication number: 20140061752Abstract: According to one embodiment, a method for manufacturing a semiconductor device includes forming a stacked body on a substrate. The stacked body includes a plurality of first conductive layers including a metallic element as a main component and a plurality of second conductive layers including a metallic element as a main component provided respectively between the first conductive layers. The method includes making a hole to pierce the stacked body. The method includes making a slit to divide the stacked body. The method includes making a gap between the first conductive layers by removing the second conductive layers by etching via the slit or the hole. The method includes forming a memory film including a charge storage film at a side wall of the hole. The method includes forming a channel body on an inner side of the memory film inside the hole.Type: ApplicationFiled: March 21, 2013Publication date: March 6, 2014Applicant: Kabushiki Kaisha ToshibaInventors: Seiichi Omoto, Yoshihiro Uozumi, Tadashi Iguchi, Osamu Yamane, Kazuyuki Masukawa, Yoshihiro Yanai
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Publication number: 20140061753Abstract: According to one embodiment, a semiconductor device includes a semiconductor substrate and a memory cell provided on the semiconductor substrate. The memory cell includes a first insulating film provided on the semiconductor substrate, a first conductive layer provided on the first insulating film, a first insulating layer provided on the first conductive layer, and a first silicide layer including a silicide provided on the first insulating layer to contact the first insulating layer.Type: ApplicationFiled: July 19, 2013Publication date: March 6, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Kenrou KIKUCHI
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Publication number: 20140061754Abstract: According to one embodiment, the underlying film includes a memory region including a first trench and a peripheral region including a second trench. The stacked body includes conductive layers and insulating layers alternately stacked on the underlying film. The channel body is provided in a pair of first holes and the first trench. The first holes pierce the stacked body to be connected to the first trench. The memory film includes a charge storage film provided between a side wall of the first hole and the channel body, and between an inner wall of the first trench and the channel body. The conductor is provided in a pair of second holes and the second trench. The second holes pierce the stacked body to be connected to the second trench.Type: ApplicationFiled: August 20, 2013Publication date: March 6, 2014Applicant: Kabushiki Kaisha ToshibaInventor: Sadatoshi MURAKAMI
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Publication number: 20140061755Abstract: A nonvolatile memory device includes gate structures formed over a substrate, each gate structure including a tunnel insulating layer, a floating gate, an inter-gate dielectric layer, and a control gate that are sequentially stacked, a protective layer formed on sidewalls of the floating gate, and a second insulating layer covering the gate structures and having an air gap formed between the gate structures, wherein an adhesive strength between the second insulating layer and the protective layer is smaller than an adhesive strength between the second insulating layer and the gate structure.Type: ApplicationFiled: December 18, 2012Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventor: Jeong-Seob OH
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Publication number: 20140061756Abstract: A non-volatile semiconductor storage device disclosed in the embodiment has a semiconductor substrate, a first insulating film, a first charge storage film, a second insulating film, a second charge storage film, a third insulating film, and a control electrode. In this non-volatile semiconductor storage device, the first and second charge storage films comprise a metallic material, a semi-metallic material or a semiconductor material. One of the first, second, and third insulating films is a multi-layered insulating film formed by layering multiple insulating films. This non-volatile semiconductor storage device further has a film comprising of any one of an oxide film, nitride film, boride film, sulfide film, and carbide film that is in contact with one interface of the laminated insulating film and contains one type of atom selected from aluminum, boron, alkaline earth metal, and transition metal at a concentration in the range of 1E12 atoms/cm2 to 1E16 atoms/cm2.Type: ApplicationFiled: July 8, 2013Publication date: March 6, 2014Inventors: Masayuki TANAKA, Kenichiro TORATANI
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Publication number: 20140061757Abstract: A semiconductor device includes a semiconductor substrate having a plurality of active regions defined by a trench. A gate electrode crosses the plurality of active regions. A plurality of charge storing cells is disposed between the gate electrode and each of the plurality of active regions. A porous insulating layer is disposed between the gate electrode and the plurality of charge storing cells. The porous insulating layer includes a portion extended over the trench. An air gap is disposed between the extended portion of the porous insulating layer and a bottom surface of the trench.Type: ApplicationFiled: August 20, 2013Publication date: March 6, 2014Inventors: SUNGGIL KIM, Sunghoi Hur, Jung-Hwan Kim, HongSuk Kim, Guk-Hyon Yon, JaeHo Choi
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Publication number: 20140061758Abstract: In a non-volatile memory device and method of manufacturing the same, a device isolation pattern and an active region extend in a first direction on a substrate. A first dielectric pattern is formed on the active region of the substrate. Conductive stack structures are arranged on the first dielectric pattern and a recess is formed between a pair of the adjacent conductive stack structures. A protection layer is formed on a sidewall of the stack structure to protect the sidewall of the stack structure from over-etching along the first direction. The protection layer includes an etch-proof layer having oxide and arranged on a sidewall of the floating gate electrode and a sidewall of the control gate line and a spacer layer covering the sidewall of the conductive stack structures.Type: ApplicationFiled: November 5, 2013Publication date: March 6, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Hwang SIM, Keon-Soo KIM, Kyung-Hoon MIN, Min-Sung SONG, Yeon-Wook JUNG
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Publication number: 20140061759Abstract: A nonvolatile memory device includes a plurality of gate structures, each gate structure formed over a substrate and including a tunnel insulating layer, a floating gate, an inter-gate dielectric layer, and a control gate, which are sequentially stacked, and an interlayer dielectric layer covering the plurality of gate structures and having an air gap formed between adjacent gate structures, wherein the bottom surface of the air gap is positioned at a lower level than the surface of the tunnel insulating layer.Type: ApplicationFiled: December 17, 2012Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventors: Byung-In LEE, Tae-Gyun KIM
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Publication number: 20140061760Abstract: A device includes a substrate; a shallow trench isolation (STI) region located in the substrate, the STI region comprising an STI material, and further comprising a recess in the STI material, the recess having a bottom and sides; a floating gate, wherein a portion of the floating gate is located on a side of the recess in the STI region and is separated from the substrate by a portion of the STI material; and a gate dielectric layer located over the floating gate, and a control gate located over the gate dielectric layer, wherein a portion of the control gate is located in the recess.Type: ApplicationFiled: November 14, 2013Publication date: March 6, 2014Applicant: International Business Machines CorporationInventor: Erwan Dornel
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Publication number: 20140061761Abstract: According to one embodiment, a method for manufacturing a semiconductor device includes forming a plurality of electrode structures above a substrate. The method includes forming an insulating film on the plurality of electrode structures to make a gap between mutually-adjacent electrode structures. The method includes forming a silicon nitride film having compressive stress above the insulating film. The method includes forming a planarization film above the silicon nitride film. The method includes planarizing a surface of the planarization film by polishing by CMP (chemical mechanical polishing) method.Type: ApplicationFiled: December 3, 2012Publication date: March 6, 2014Inventor: Hiroshi KUBOTA
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Publication number: 20140061762Abstract: A nonvolatile semiconductor memory device of an embodiment includes: a semiconductor layer; a tunnel insulating film formed on the semiconductor layer; an organic molecular layer that is formed on the tunnel insulating film, and includes first organic molecules and second organic molecules having a smaller molecular weight than the first organic molecules, the first organic molecules each including a first alkyl chain or a first alkyl halide chain having one end bound to the tunnel insulating film, the first organic molecules each including a charge storage portion bound to the other end of the first alkyl chain or the first alkyl halide chain, the second organic molecules each including a second alkyl chain or a second alkyl halide chain having one end bound to the tunnel insulating film; a block insulating film formed on the organic molecular layer; and a control gate electrode formed on the block insulating film.Type: ApplicationFiled: December 20, 2012Publication date: March 6, 2014Inventors: Masaya Terai, Shigeki Hattori, Hideyuki Nishizawa, Koji Asakawa, Tsukasa Tada
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Publication number: 20140061763Abstract: A nonvolatile semiconductor memory device of an embodiment includes: a semiconductor layer; a tunnel insulating film that is formed on the semiconductor layer and includes a first organic molecular film including first organic molecules each having an alkyl molecular chain as the main chain; a charge storage layer formed on the tunnel insulating film, the charge storage layer being made of an inorganic material; a block insulating film formed on the charge storage layer; and a control gate electrode formed on the block insulating film.Type: ApplicationFiled: December 26, 2012Publication date: March 6, 2014Inventors: Misako Morota, Hideyuki Nishizawa, Masaya Terai, Shigeki Hattori, Koji Asakawa
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Publication number: 20140061764Abstract: According to one embodiment, a nonvolatile semiconductor memory device includes a semiconductor substrate, a first gate insulating film, a charge storage layer, a second gate insulating film, and a control gate electrode. The first gate insulating film is arranged on the semiconductor substrate. The charge storage layer is arranged on the first gate insulating film, and includes aluminum and silicon. The second gate insulating film is arranged on the charge storage layer, and includes aluminum, silicon, and lanthanum. The control gate electrode is arranged on the second gate insulating film.Type: ApplicationFiled: January 25, 2013Publication date: March 6, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Akira TAKASHIMA, Daisuke MATSUSHITA
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Publication number: 20140061765Abstract: A semiconductor integrated circuit includes a transistor with a source region, a drain region, and a control gate electrode. The integrated circuit additionally includes a controller that selectively applies voltages to the control gate of the transistor. The controller may apply a first voltage that that forms a permanent conductive path between the source and drain of the transistor.Type: ApplicationFiled: February 25, 2013Publication date: March 6, 2014Applicant: Kabushiki Kaisha ToshibaInventors: Koichiro Zaitsu, Kosuke Tatsumura
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Publication number: 20140061766Abstract: According to one embodiment, a nonvolatile semiconductor memory device, includes: a stacked body including a plurality of electrode layers stacked alternately with a plurality of insulating films; a plurality of first channel body layers; a memory film; a plurality of selection gates; a second channel body layer connecting to each of the plurality of first channel body layers; a gate insulating film; and a first interconnect electrically connected to at least one of the plurality of electrode layers. The stacked body has a through-hole communicating from the upper surface of the stacked body to the lower surface of the stacked body outside a cell region. And the first interconnect is drawn out through the through-hole from the upper surface side of the stacked body to the lower surface side of the stacked body.Type: ApplicationFiled: March 21, 2013Publication date: March 6, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: MASARU KITO, TOMOO HISHIDA, YOSHIAKI FUKUZUMI
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Publication number: 20140061767Abstract: According to one embodiment, a nonvolatile semiconductor memory device includes: a stacked body provided on a foundation layer and including a plurality of electrode layers and a plurality of insulating layers alternately stacked; a plurality of first channel body layers; a memory film; a first interlayer insulating film; a plurality of select gate electrodes; a second channel body layer being connected to each of the plurality of first channel body layers; and a gate insulating film. The stacked body is bent. The first interlayer insulating film includes a slit extending in a direction generally parallel to the upper surface of the stacked body, the slit extends in a direction non-parallel to a first direction in which each end surface of the plurality of electrode layers extends. Part of at least one end surface of the plurality of electrode layers is part of bottom of the slit.Type: ApplicationFiled: March 21, 2013Publication date: March 6, 2014Applicant: Kabushiki Kaisha ToshibaInventor: Hiroshi NAKAKI
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Publication number: 20140061768Abstract: According to one embodiment, a method for manufacturing is a method for manufacturing a nonvolatile semiconductor memory device including a memory string having series-connected memory cells. The method includes forming a first semiconductor layer; forming a first sacrificial layer and the bottom surface and the side surface being surrounded with the first semiconductor layer; forming a first insulating layer on the first semiconductor layer and the first sacrificial layer; forming a stacked body on the first insulating layer, the body including electrode layers and second sacrificial layers alternately stacked; forming a first trench extending from an upper surface of the body to the first insulating layer on the first sacrificial layer; forming a second insulating layer in the first trench; forming a second trench extending from the upper surface of the body to the first semiconductor layer; and forming a third insulating layer in the second trench.Type: ApplicationFiled: June 26, 2013Publication date: March 6, 2014Inventor: Hiroshi SHINOHARA
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Publication number: 20140061769Abstract: According to one embodiment, a nonvolatile semiconductor storage device includes a semiconductor substrate, a first insulating film formed on the semiconductor substrate, a charge accumulation film formed on the first insulating film, a second insulating film formed on the charge accumulation film, and a control electrode formed on a second insulating film, and one of the first and the second insulating film includes a layer containing nitrogen, a layer that is formed on the layer containing nitrogen and that includes a first oxygen containing aluminum atoms and oxygen atoms, and a layer that is formed on the layer including the first oxygen and that includes a second oxygen containing silicon atoms and oxygen atoms; and a concentration of the aluminum atoms is from 1E12 atoms/cm2 to 1E16 atoms/cm2.Type: ApplicationFiled: September 3, 2013Publication date: March 6, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichiro TORATANI, Masayuki TANAKA
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Publication number: 20140061770Abstract: A non-volatile memory includes a channel layer to extend from a substrate in a vertical direction; a plurality of interlayer dielectric layers and a plurality of gate electrodes to be alternately stacked along the channel layer; and a memory layer to be interposed between the channel layer and each of the gate electrodes, wherein the memory layer comprises a tunnel dielectric layer to contact the channel layer, a first charge trap layer to contact the tunnel dielectric layer and formed of an insulating material, a charge storage layer to contact the first charge trap layer and formed of a semiconducting material or a conductive material, a second charge trap layer to contact the charge storage layer and formed of an insulating material, and a charge blocking layer to contact the second charge trap layer.Type: ApplicationFiled: November 8, 2013Publication date: March 6, 2014Applicant: SK hynix Inc.Inventors: Ki-Hong LEE, Kwon HONG
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Publication number: 20140061771Abstract: A memory cell system is provided forming a first insulator layer over a semiconductor substrate, forming a charge trap layer over the first insulator layer, forming an intermediate layer over the charge trap layer, and forming a second insulator layer with the intermediate layer.Type: ApplicationFiled: November 11, 2013Publication date: March 6, 2014Applicants: Spansion, LLC., Advanced Micro Devices, Inc.Inventors: Meng Ding, Amol Ramesh Joshi, Lei Xue, Takashi Orimoto, Kuo-Tung Chang
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Publication number: 20140061772Abstract: Nonvolatile memory devices are provided. Devices include active regions that may be defined by device isolation layers formed on a semiconductor substrate and extend in a first direction. Devices may also include word lines that may cross over the active regions and extend in a second direction intersecting the first direction. The active regions have a first pitch and the word lines have a second pitch that is greater than the first pitch.Type: ApplicationFiled: November 11, 2013Publication date: March 6, 2014Inventors: Won-Cheol Jeong, Su-Jin Ahn, Yoon-Moon Park
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Publication number: 20140061773Abstract: According to one embodiment, a semiconductor memory device includes a substrate, a stacked body, a plurality of insulative separating films, a channel body, and a memory film. The stacked body includes a plurality of electrode layers and a plurality of insulating layers. The plurality of insulative separating films separates the stacked body into a plurality. The channel body extends in the stacking direction between the plurality of insulative separating films. A width of the electrode layer of a lower layer side between the insulative separating film and the memory film is greater than a width of the electrode layer of an upper layer side between the insulative separating film and the memory film. An electrical resistivity of the electrode layer is higher for the electrode layer of the lower layer side having the greater width than for the electrode layer of the upper layer side having the lesser width.Type: ApplicationFiled: December 27, 2012Publication date: March 6, 2014Inventors: Masaaki HIGUCHI, Masaru Kito
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Publication number: 20140061774Abstract: A semiconductor device capable of ensuring a withstand voltage of a transistor and reducing a forward voltage of a Schottky barrier diode in a package with the transistor and the Schottky barrier diode formed on chip, and a semiconductor package formed by a resin package covering the semiconductor device are provided. The semiconductor device 1 includes a semiconductor layer 22, a transistor area D formed on the semiconductor layer 22 and constituting the transistor 11, and a diode area C formed on the semiconductor layer 22 and constituting the Schottky barrier diode 10. The semiconductor layer 22 in the diode area C is thinner than the semiconductor layer 22 in the transistor area D.Type: ApplicationFiled: November 13, 2013Publication date: March 6, 2014Applicant: ROHM CO., LTD.Inventor: Kenichi YOSHIMOCHI
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Publication number: 20140061775Abstract: A method for forming a field-effect transistor with a raised drain structure is disclosed. The method includes forming a frustoconical source by etching a semiconductor substrate, the frustoconical source protruding above a planar surface of the semiconductor substrate; forming a transistor gate, a first portion of the transistor gate surrounding a portion of the frustoconical source and a second portion of the gate configured to couple to a first electrical contact; and forming a drain having a raised portion configured to couple to a second electrical contact and located at a same level above the planar surface of the semiconductor substrate as the second portion of the transistor gate. A semiconductor device having a raised drain structure is also disclosed.Type: ApplicationFiled: August 30, 2012Publication date: March 6, 2014Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hak-Lay Chuang, Ming Zhu
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Publication number: 20140061776Abstract: A semiconductor device includes a trench formed in a substrate, a first stacked structure formed in the trench and including a plurality of first material layers and a plurality of second material layers stacked alternately on top of each other, and a transistor located on the substrate at a height corresponding to a top surface of the first stacked structure.Type: ApplicationFiled: January 7, 2013Publication date: March 6, 2014Applicant: SK hynix Inc.Inventors: Oh Chul KWON, Ki Hong LEE, Seung Ho PYI
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Publication number: 20140061777Abstract: In one embodiment, a semiconductor device includes a substrate, and a source region of a first conductivity type disposed on a surface of the substrate. The device further includes a tunnel insulator disposed on the source region, and an impurity semiconductor layer of a second conductivity type disposed on the tunnel insulator, the second conductivity type being different from the first conductivity type. The device further includes a gate insulator disposed on the impurity semiconductor layer, and a gate electrode disposed on the gate insulator. The device further includes a drain region of the second conductivity type disposed on the substrate so as to be separated from the impurity semiconductor layer, or disposed on the substrate as a portion of the impurity semiconductor layer.Type: ApplicationFiled: February 6, 2013Publication date: March 6, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Takahisa KANEMURA
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Publication number: 20140061778Abstract: A semiconductor device includes semiconductor bodies formed substantially perpendicular to a semiconductor substrate, buried bit lines formed in the semiconductor bodies and including a metal silicide; and barrier layers formed under and over the buried bit lines and containing germanium.Type: ApplicationFiled: March 13, 2013Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventors: Ju-Hyun MYUNG, Eui-Seong HWANG, Eun-Shil PARK, Tae-Yoon KIM
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Publication number: 20140061779Abstract: The present invention provides a semiconductor device including a buried gate and a method for fabricating the same, in which the width of a contact plug may not exceed a predetermined width. The method including forming a plurality of trenches over a substrate using the mask pattern, forming a gate insulating film in each of the plurality of trenches, forming a plurality of gate electrodes filling portions of the plurality of trenches, removing an exposed gate insulating film formed over each of the plurality of gate electrodes in each of the plurality of the trenches, forming a plurality of sealing films filling remaining portions of the plurality of trenches, and forming a plurality of contact plugs over the substrate between the trenches.Type: ApplicationFiled: December 11, 2012Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventors: Jung-Nam KIM, Sang-Soo KIM