Patents Issued in September 12, 2013
  • Publication number: 20130234202
    Abstract: Image sensors comprising an isolation region according to embodiments are disclosed, as well as methods of forming the image sensors with isolation region. An embodiment is a structure comprising a semiconductor substrate, a photo element in the semiconductor substrate, and an isolation region in the semiconductor substrate. The isolation region is proximate the photo element and comprises a dielectric material and an epitaxial region. The epitaxial region is disposed between the semiconductor substrate and the dielectric material.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shiu-Ko JangJian, Min Hao Hong, Kei-Wei Chen, Szu-An Wu
  • Publication number: 20130234203
    Abstract: Semiconductor devices and methods of manufacture thereof are disclosed. In one embodiment, a method of manufacturing a semiconductor device includes forming a channel region in a workpiece, and forming a source or drain region proximate the channel region. The source or drain region includes a contact resistance-lowering material layer comprising SiP, SiAs, or a silicide. The source or drain region also includes a channel-stressing material layer comprising SiCP or SiCAs.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ji-Yin Tsai, Yao-Tsung Huang, Chih-Hsin Ko, Clement Hsingjen Wann
  • Publication number: 20130234204
    Abstract: A Field Effect Transistor (FET) structure may include a fin on a substrate having a first lattice constant and at least two different lattice constant layers on respective different axially oriented surfaces of the fin, wherein the at least two different lattice constant layers each comprise lattice constants that are different than the first lattice constant and each other.
    Type: Application
    Filed: September 14, 2012
    Publication date: September 12, 2013
    Inventors: Myung Gil Kang, Changwoo Oh, Heedon Jeong, Chiwon Cho
  • Publication number: 20130234205
    Abstract: A nickelide material with reduced resistivity is provided as source/drain contact surfaces in both NMOS and PMOS technology. The nickelide material layer may be a ternary material such as NiInAs, and may be formed from a binary material previously formed in the source/drain regions. The binary material may be the channel material or it may be an epitaxial layer formed over the channel material. The same ternary nickelide material may be used as the source/drain contact surface in both NMOS and PMOS transistors. Various binary or ternary channel materials may be used for the NMOS transistors and for the PMOS transistors.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 12, 2013
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO. LTD.
    Inventors: Richard Kenneth Oxland, Mark van Dal
  • Publication number: 20130234206
    Abstract: Memory devices are shown that include a body region and a connecting region that is formed from a semiconductor with a lower band gap than the body region. Connecting region configurations can provide increased gate induced drain leakage during an erase operation. Configurations shown can provide a reliable bias to a body region for memory operations such as erasing, and containment of charge in the body region during a boost operation.
    Type: Application
    Filed: April 29, 2013
    Publication date: September 12, 2013
    Applicant: Micron Technology, Inc.
    Inventors: Haitao Liu, Jian Li, Chandra Mouli
  • Publication number: 20130234207
    Abstract: According to example embodiments, a high electron mobility transistor (HEMT) includes: stack including a buffer layer, a channel layer containing a two dimensional electron gas (2DEG) channel, and a channel supply layer sequentially stacked on each other, the stack defining a first hole and a second hole that are spaced apart from each other. A first electrode, a second electrode, and third electrode are spaced apart from each other along a first surface of the channel supply layer. A first pad is on the buffer layer and extends through the first hole of the stack to the first electrode. A second pad is on the buffer layer and extends through the second hole of the stack to the second electrode. A third pad is under the stack and electrically connected to the third electrode.
    Type: Application
    Filed: December 14, 2012
    Publication date: September 12, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuk-soon CHOI, Jong-seob KIM, Jai-kwang SHIN, Jae-joon OH, Jong-bong HA, In-jun HWANG
  • Publication number: 20130234208
    Abstract: There are disclosed herein various implementations of composite semiconductor devices with active oscillation control. In one exemplary implementation, a normally OFF composite semiconductor device comprises a normally ON III-nitride power transistor and a low voltage (LV) device cascoded with the normally ON III-nitride power transistor to form the normally OFF composite semiconductor device. The LV device may be configured to include one or both of a reduced output resistance due to, for example, a modified body implant and a reduced transconductance due to, for example, a modified oxide thickness to cause a gain of the composite semiconductor device to be less than approximately 10,000.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Applicant: INTERNATIONAL RECTIFIER CORPORATION
    Inventors: Tony Bramian, Jason Zhang
  • Publication number: 20130234209
    Abstract: A switching device for heterojunction integrated circuits is disclosed. According to one aspect, the switching device is configured to protect a circuit from an electro-static discharge (ESD) event. The switching device includes a second base contact region that is configured to be electrically floating, a first base contact region and a collector contact region that are coupled to a first input terminal of the switching device, and an emitter contact region that is coupled to a second input terminal of the switching device. Due in part to capacitive coupling between the first base contact region and the second base contact region, the switching device exhibits a low transient trigger voltage and a fast response to ESD events. Further, the switching device exhibits a high DC trigger voltage (for example, greater than 20V), while maintaining relatively low leakage current during operation (for example, less than about 0.5 ?A at 20V DC.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Applicant: ANALOG DEVICES, INC.
    Inventors: Srivatsan Parthasarathy, Javier A. Salcedo, Shuyun Zhang
  • Publication number: 20130234210
    Abstract: A method of manufacturing a metal silicide is disclosed below. A substrate having a first region and a second region is proviced. A silicon layer is formed on the substrate. A planarization process is performed to make the silicon layer having a planar surface. A part of the silicon layer is removed to form a plurality of first gates on the first region and to form a plurality of second gates on the second region. The height of the first gates is greater than the height of the second gates, and top surfaces of the first gates and the second gates have the same height level. A dielectric layer covering the first gates and the second gates is formed and exposes the top surfaces of the first gates and the second gates. A metal silicide is formed on the top surfaces of the first gates and the second gates.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 12, 2013
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Yen-Hao Shih, Ying-Tso Chen, Shih-Chang Tsai, Chun-Fu Chen
  • Publication number: 20130234211
    Abstract: A layout of a semiconductor device is capable of reliably reducing a variation in gate length due to the optical proximity effect, and enables flexible layout design to be implemented. Gate patterns (G1, G2, G3) of a cell (C1) are arranged at the same pitch, and terminal ends (e1, e2, e3) of the gate patterns are located at the same position in the Y direction, and have the same width in the X direction. A gate pattern (G4) of a cell (C2) has protruding portions (4b) protruding toward the cell (C1) in the Y direction, and the protruding portions (4b) form opposing terminal ends (eo1, eo2, eo3). The opposing terminal ends (eo1, eo2, eo3) are arranged at the same pitch as the gate patterns (G1, G2, G3), are located at the same position in the Y direction, and have the same width in the X direction.
    Type: Application
    Filed: March 18, 2013
    Publication date: September 12, 2013
    Applicant: PANASONIC CORPORATION
    Inventors: Kazuyuki NAKANISHI, Masaki TAMARU
  • Publication number: 20130234212
    Abstract: A standard cell semiconductor integrated circuit device design provides a standard cell semiconductor device that includes first standard cells and user-defined target standard cells which consume more power or include other operational characteristics that differ from the operational characteristics of the first standard cells. The standard cells are routed to ground and power wires using one power rail and the target cells are routed to the ground and power lines using the first power rail and a second power rail to alleviate electromigration in either of the power rails. The two power rails include an upper power rail and a lower power rail. An intermediate conductive layer may be disposed between the upper and lower power rails to provide for signal routing by lateral interconnection between cells.
    Type: Application
    Filed: April 26, 2013
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Lee-Chung LU, Wen-Hao CHEN, Yuan-Te HOU, Shen-Feng CHEN, Meng-Fu YOU
  • Publication number: 20130234213
    Abstract: The amount of Pt residues remaining after forming Pt-containing NiSi is reduced by performing a rework including applying SPM at a temperature of 130° C. in a SWC tool, if Pt residue is detected. Embodiments include depositing a layer of Ni/Pt on a semiconductor substrate, annealing the deposited Ni/Pt layer, removing unreacted Ni from the annealed Ni/Pt layer, annealing the Ni removed Ni/Pt layer, removing unreacted Pt from the annealed Ni removed Ni/Pt layer, analyzing the Pt removed Ni/Pt layer for unreacted Pt residue, and if unreacted Pt residue is detected, applying SPM to the Pt removed Ni/Pt layer in a SWC tool. The SPM may be applied to the Pt removed Ni'/Pt layer at a temperature of 130° C.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 12, 2013
    Applicant: GLOBALFOUNDRIES Inc.
    Inventors: Sivakumar KUMARASAMY, Clemens Fitz, Markus Lenski, Jochen Poth, Kristin Schupke
  • Publication number: 20130234214
    Abstract: According to one embodiment, a solid-state imaging device includes a semiconductor substrate, a photodiode provided in the semiconductor substrate and including a first conductivity type semiconductor layer, a shield layer provided on the photodiode, an upper portion or entirety of the shield layer being constituted of a second conductivity type semiconductor layer, and a transfer transistor provided on the semiconductor substrate to transfer charges stored in the photodiode to a floating diffusion region. An upper surface of the shield layer is higher than an upper surface of the semiconductor substrate.
    Type: Application
    Filed: September 5, 2012
    Publication date: September 12, 2013
    Inventor: Takeshi YOSHIDA
  • Publication number: 20130234215
    Abstract: In one embodiment, a semiconductor device includes a semiconductor substrate, and a fin disposed on a surface of the semiconductor substrate. The device further includes a gate insulator disposed on a side surface of the fin, and a gate electrode disposed on the side surface and an upper surface of the fin via the gate insulator. The device further includes epitaxial layers disposed on the side surface of the fin in order along a fin height direction, and an interlayer dielectric disposed on the semiconductor substrate to cover the fin and applying a stress to the fin and the epitaxial layers. A spacing of a gap between the epitaxial layers adjacent in the fin height direction, and a spacing of a gap between the lowermost epitaxial layer and a bottom surface of the interlayer dielectric change in accordance with heights at which the gaps are located.
    Type: Application
    Filed: August 30, 2012
    Publication date: September 12, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Kimitoshi OKANO
  • Publication number: 20130234216
    Abstract: A method for fabricating a semiconductor device is described. A gate layer, a C-doped first protective layer and a hard mask layer are formed on a substrate and then patterned to form a first stack in a first area and a second stack in a second area. A second protective layer is formed on the sidewalls of the first and the second stacks. A blocking layer is formed in the first area and a first spacer formed on the sidewall of the second protective layers on the sidewall of the second stack in the second area. A semiconductor compound is formed in the substrate beside the first spacer. The blocking layer and the first spacer are removed. The hard mask layer in the first stack and the second stack is removed.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 12, 2013
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ying-Hung Chou, Shao-Hua Hsu, Chi-Horn Pai, Zen-Jay Tsai, Shih-Hao Su, Chun-Chia Chen, Shih-Chieh Hsu, Chih-Chung Chen
  • Publication number: 20130234217
    Abstract: A device includes a semiconductor substrate, a gate stack over the semiconductor substrate, and a stressor region having at least a portion in the semiconductor substrate and adjacent to the gate stack. The stressor region includes a first stressor region having a first p-type impurity concentration, a second stressor region over the first stressor region, wherein the second stressor region has a second p-type impurity concentration, and a third stressor region over the second stressor region. The third stressor region has a third p-type impurity concentration. The second p-type impurity concentration is lower than the first and the third p-type impurity concentrations.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Mei-Hsuan Lin, Chih-Hsun Lin, Ching-Hua Chu, Ling-Sung Wang
  • Publication number: 20130234218
    Abstract: A method of fabricating a semiconductor device including providing a gate structure on a channel portion of a semiconductor substrate, wherein the gate structure includes at least one gate dielectric on the channel portion of the semiconductor substrate and at least one gate conductor on the at least one gate dielectric. An edge portion of the at least one gate dielectric is removed on each side of the gate structure, wherein the removing of the edge portion of the gate dielectric provides an exposed base edge of the at least one gate conductor and an exposed channel surface of the semiconductor substrate underlying the gate structure. The sidewall of the gate structure is oxidized, which also oxidizes at least one of the exposed base edge of the at least one gate conductor and the exposed channel surface of the semiconductor substrate that is underlying the gate structure.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 12, 2013
    Applicants: STMICROELECTRONICS S.A., INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Erwan Dornel, Pascal R. Tannhof, Denis Rideau
  • Publication number: 20130234219
    Abstract: Disclosed herein is a transistor including: a semiconductor layer; a first gate insulation film and a first interlayer insulation film which are provided on a specific surface side of the semiconductor layer; a first gate electrode provided at a location between the first gate insulation film and the first interlayer insulation film; an insulation film provided on the other surface side of the semiconductor layer; source and drain electrodes provided by being electrically connected to the semiconductor layer; and a shield electrode layer provided in such a way that at least portions of the shield electrode layer face edges of the first gate electrode, wherein at least one of the first gate insulation film, the first interlayer insulation film and the insulation film include a silicon-oxide film.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 12, 2013
    Applicant: Sony Corporation
    Inventors: Yasuhiro Yamada, Ryoichi Ito, Tsutomu Tanaka, Makoto Takatoku, Michiru Senda
  • Publication number: 20130234220
    Abstract: An imaging device includes a basic cell having two or more the pixels that share floating diffusion. The imaging device also includes a transistor shared by the two or more pixels in the basic cell and arranged on the outside of the two or more pixels. The imaging device further includes a light receiving unit connected to the floating diffusion shared by the pixels in the basic cell through a transfer gate. In the imaging device, on-chip lenses are arranged substantially at regular intervals. Also, an optical waveguide is formed so that the position thereof in the surface of the solid-state imaging device is located at a position shifted from the center of the light receiving unit to the transistor and in the inside of the light receiving unit and the inside of the on-chip lens.
    Type: Application
    Filed: January 31, 2013
    Publication date: September 12, 2013
    Applicant: SONY CORPORATION
    Inventors: Hiroshi Tayanaka, Susumu Ooki, Junichi Furukawa, Fumiaki Okazaki
  • Publication number: 20130234221
    Abstract: The present disclosure relates to a semiconductor device, such as a transistor. The device includes a gate terminal, a source terminal, a drain terminal, a transconductance component, and a boost component. The gate terminal is configured to receive a bias voltage. The drain terminal is coupled to the boost component. The transconductance component is coupled to the gate terminal, the source terminal and the drain terminal and provides an output current proportional to the bias voltage. The boost component is coupled to the transconductance component and boosts the output current at a selected frequency range.
    Type: Application
    Filed: March 6, 2012
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Hsiu-Ying Cho
  • Publication number: 20130234222
    Abstract: A semiconductor memory device includes a substrate, a structure body, a semiconductor layer, and a memory film. The memory film is provided between the semiconductor layer and the plurality of electrode films. The memory film includes a charge storage film, a block film, and a tunnel film. The block film is provided between the charge storage film and the plurality of electrode films. The tunnel film is provided between the charge storage film and the semiconductor layer. The tunnel film includes a first film containing silicon oxide, a second film containing silicon oxide, and a third film provided between the first film and the second film and containing silicon oxynitride. When a composition of the silicon oxynitride contained in the third film is expressed by a ratio x of silicon oxide and a ratio (1?x) of silicon nitride, 0.5?x<1 holdes.
    Type: Application
    Filed: August 30, 2012
    Publication date: September 12, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Naoki YASUDA, Masaaki Higuchi, Katsuyuki Sekine, Masao Shingu
  • Publication number: 20130234223
    Abstract: A stack gate structure for a non-volatile memory array has a semiconductor substrate having a plurality of substantially parallel spaced apart active regions, with each active region having an axis in a first direction. A first insulating material is between each stack gate structure in the second direction perpendicular to the first direction. Each stack gate structure has a second insulating material over the active region, a charge holding gate over the second insulating material, a third insulating material over the charge holding gate, and a first portion of a control gate over the third insulating material. A second portion of the control gate is over the first portion of the control gate and over the first insulating material adjacent thereto and extending in the second direction. A fourth insulating material is over the second portion of the control gate.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 12, 2013
    Inventors: Willem-Jan Toren, Xian Liu, Gerhard Metzger-Brueckl, Nhan Do, Stephan Wege, Nadia Miridi, Chien-Sheng Su, Cecile Bernardi, Liz Cuevas, Florence Guyot, Yueh-Hsin Chen, Henry Om'mani, Mandana Tadayoni
  • Publication number: 20130234224
    Abstract: According to one embodiment, a semiconductor storage device comprises a memory cell transistor including a first insulating film, a first floating gate, a second insulating film, a second floating gate, a third insulating film and a control gate which are sequentially formed on a substrate, and a select transistor including a fourth insulating film, a first electrode layer, a fifth insulating film, a second electrode layer, a sixth insulating film and a third electrode layer which are sequentially formed on the substrate. Openings are provided in at least parts of the fifth insulating film and the sixth insulating film. The first electrode layer, the second electrode layer and the third electrode layer are electrically connected via the openings.
    Type: Application
    Filed: August 21, 2012
    Publication date: September 12, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Kenji AOYAMA
  • Publication number: 20130234225
    Abstract: According to one embodiment, a nonvolatile semiconductor memory includes a gate insulating film, a floating gate, first and second silicon oxide films, an insulating film and a control gate. The floating gate is formed on the gate insulating film. The first silicon oxide film is formed on an upper surface of the floating gate. The insulating film is formed on the first silicon oxide film on the upper surface of the floating gate and has a dielectric constant higher than that of the silicon oxide film. The second silicon oxide film is formed on the insulating film on the upper surface of the floating gate and on a side surface of the floating gate. The control gate is formed on the second silicon oxide film formed on the upper and side surfaces of the floating gate.
    Type: Application
    Filed: September 4, 2012
    Publication date: September 12, 2013
    Inventor: Yasuhiro SHIMURA
  • Publication number: 20130234226
    Abstract: A flash memory cell structure is provided. A semiconductor structure includes a semiconductor substrate, a floating gate overlying the semiconductor substrate, a word-line adjacent to the floating gate, an erase gate adjacent to a side of the floating gate opposite the word-line, a first sidewall disposed between the floating gate and the word-line, and a second sidewall disposed between the floating gate and the erase gate. The first sidewall has a first characteristic and the second sidewall has a second characteristic. The first characteristic is different from the second characteristic.
    Type: Application
    Filed: April 1, 2013
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Taiwan Semiconductor Manufacturing Company, Ltd.
  • Publication number: 20130234227
    Abstract: An erasable programmable single-poly nonvolatile memory includes a first PMOS transistor comprising a select gate, a first p-type doped region, and a second p-type doped region, wherein the select gate is connected to a select gate voltage, and the first p-type doped region is connected to a source line voltage; a second PMOS transistor comprising the second p-type doped region, a third p-type doped region, and a floating gate, wherein the third p-type doped region is connected to a bit line voltage; and an erase gate region adjacent to the floating gate, wherein the erase gate region is connected to an erase line voltage.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 12, 2013
    Applicant: eMemory Technology Inc.
    Inventors: Wei-Ren Chen, Te-Hsun Hsu, Shih-Chen Wang, Hsin-Ming Chen, Ching-Sung Yang
  • Publication number: 20130234228
    Abstract: An erasable programmable single-poly nonvolatile memory includes a floating gate transistor having a floating gate, a gate oxide layer under the floating gate, and a channel region; and an erase gate region, wherein the floating gate is extended to and is adjacent to the erase gate region. The gate oxide layer comprises a first portion above the channel region of the floating gate transistor and a second portion above the erase gate region, and a thickness of the first portion of the gate oxide layer is different from a thickness of the second portion of the gate oxide layer.
    Type: Application
    Filed: August 13, 2012
    Publication date: September 12, 2013
    Applicant: eMemory Technology Inc.
    Inventors: Te-Hsun Hsu, Hsin-Ming Chen, Ching-Sung Yang, Wen-Hao Ching, Wei-Ren Chen
  • Publication number: 20130234229
    Abstract: A single poly electrically erasable programmable read only memory (single poly EEPROM) device is provided, including: a semiconductor on insulator (SOI) substrate having a P-type semiconductor layer over an insulator layer; a P-well region formed in a portion of the P-type semiconductor layer; a trench isolation formed in the P-type semiconductor layer, surrounding the P-well region; an NMOS transistor formed over a portion of the P-type semiconductor layer of the P-well region; a P+ doping region formed over another portion of the P-type semiconductor layer of the P-well region; and a control gate formed in another portion of the P-type semiconductor layer, adjacent to the trench isolation.
    Type: Application
    Filed: November 9, 2012
    Publication date: September 12, 2013
    Applicant: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventor: Chih-Jen HUANG
  • Publication number: 20130234230
    Abstract: A semiconductor device includes: a substrate having a base and an array of semiconductor pillars extending from the base, the substrate being formed with a plurality of trenches, each of which extends into the base and has two opposing trench side walls; a first insulative liner layer formed on each of the trench side walls of each of the trenches and divided into upper and lower segments by a gap that leaves a bit-forming surface of each of the trench side walls uncovered by the first insulative liner layer; and a plurality of buried bit lines, each of which extends into the base from the bit-forming surface of a respective one of the trench side walls of each of the trenches.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Inventors: Kazuaki Takesako, Wen-Kuei Hsu, Yoshinori Tanaka, Yukihiro Nagai, Chih-Wei Hsiung, Hirotake Fujita, Tomohiro Kadoya, Wei-Chih Liu, Hsuan-Yu Fang, Yu-Ling Huang, Meng-Hsien Chen, Chun-Chiao Tseng, Chung-Yung Ai, Yu-Shan Hsu, Wei-Che Chang, Chun-Hua Huang
  • Publication number: 20130234231
    Abstract: According to one embodiment, a nonvolatile semiconductor memory device includes a stacked body, a second insulating layer, a select gate, a memory hole, a memory film, a channel body, a first semiconductor layer, and a second semiconductor layer. The select gate is provided on the second insulating layer. The memory film is provided on an inner wall of the memory hole. The channel body is provided inside the memory film. The first semiconductor layer is provided on an upper surface of the channel body. The second semiconductor layer is provided on the first semiconductor layer. The first semiconductor layer contains silicon germanium. The second semiconductor layer contains silicon germanium doped with a first impurity. A boundary between the first semiconductor layer and the second semiconductor layer is provided above a position of an upper end of the select gate.
    Type: Application
    Filed: July 27, 2012
    Publication date: September 12, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Jun FUJIKI, Yoshiaki Fukuzumi, Hideaki Aochi
  • Publication number: 20130234232
    Abstract: According to one embodiment, a method of manufacturing a semiconductor device includes forming a part of a stacked body including a plurality of conductive films and a plurality of first insulating films alternately stacked into a shape of steps to form a plurality of stepped portions of different heights, each stepped portion having the first insulating film as a top face. The method includes forming gaps under ends of the first insulating films by removing ends of the conductive films under the first insulating films in the stepped portions. The method includes forming second insulating films on the respective stepped portions and in the gaps. The method includes forming a plurality of vias, each of the vias penetrating through the second insulating film and the first insulating film in each stepped portion and reaches the conductive film in each stepped portion.
    Type: Application
    Filed: September 5, 2012
    Publication date: September 12, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Katsunori YAHASHI
  • Publication number: 20130234233
    Abstract: According to one embodiment, a semiconductor memory device comprises a first layer, a first conductive layer, a insulating layer, and a second conductive layer stacked on a substrate, a block insulating layer on inner surfaces of a pair of through-holes formed in the first conductive layer, the insulating layer, and the second conductive layer, and on an inner surface of a connecting hole connecting lower ends of the pair of through-holes, a charge storage layer on the block insulating layer, a second layer on the charge storage layer, and a semiconductor layer on the second layer. The second layer includes an air gap layer on the charge storage layer in the pair of through-holes, and a third conductive layer on the charge storage layer in the connecting hole.
    Type: Application
    Filed: September 5, 2012
    Publication date: September 12, 2013
    Inventors: Tomoko FUJIWARA, Yoshiaki FUKUZUMI, Hideaki AOCHI
  • Publication number: 20130234234
    Abstract: A method for fabricating a non-volatile memory device includes forming a stacked structure where a plurality of inter-layer dielectric layers and a plurality of second sacrificial layers are alternately stacked over a substrate, forming a channel layer that is coupled with a portion of the substrate by penetrating through the stacked structure, forming a slit that penetrates through the second sacrificial layers by selectively etching the stacked structure, removing the second sacrificial layers that are exposed through the slit, forming an epitaxial layer over the channel layer exposed as a result of the removal of the second sacrificial layers, and forming a gate electrode layer filling a space from which the second sacrificial layers are removed, and a memory layer interposed between the gate electrode layer and the epitaxial layer.
    Type: Application
    Filed: September 7, 2012
    Publication date: September 12, 2013
    Inventor: Hyun-Seung YOO
  • Publication number: 20130234235
    Abstract: In one embodiment, a manufacturing method of a semiconductor memory device is disclosed. The method can include forming a stacked body on a substrate. The stacked body includes first silicon films containing impurities and having a concentration difference of the impurities provided among different layers, and non-doped second silicon films each provided between the first silicon films. The method can include forming a hole in the stacked body. The method can include removing the second silicon films by etching through the hole and forming an inter-electrode space between the first silicon films. The method can include forming a memory film including a charge storage film on a side wall of the hole and also forming at least a part of the memory film in the inter-electrode space.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 12, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Toru MATSUDA, Tadashi Iguchi, Katsunori Yahashi
  • Publication number: 20130234236
    Abstract: In a non-volatile memory in which writing/erasing is performed by changing a total charge amount by injecting electrons and holes into a silicon nitride film serving as a charge accumulation layer, in order to realize a high efficiency of a hole injection from a gate electrode, the gate electrode of a memory cell comprises a laminated structure made of a plurality of polysilicon films with different impurity concentrations, for example, a two-layered structure comprising a p-type polysilicon film with a low impurity concentration and a p+-type polysilicon film with a high impurity concentration deposited thereon.
    Type: Application
    Filed: March 17, 2013
    Publication date: September 12, 2013
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Itaru YANAGI, Toshiyuki MINE, Hirotaka HAMAMURA, Digh HISAMOTO, Yasuhiro SHIMAMOTO
  • Publication number: 20130234237
    Abstract: A semiconductor power device integrated with clamp diodes is disclosed by offering dopant out-diffusion suppression layers to enhance the ESD protection between gate and source, and avalanche capability between drain and source.
    Type: Application
    Filed: March 12, 2012
    Publication date: September 12, 2013
    Applicant: FORCE MOS TECHNOLOGY CO. LTD.
    Inventor: Fu-Yuan HSIEH
  • Publication number: 20130234238
    Abstract: A semiconductor power device integrated with ESD protection diode is disclosed by offering a dopant out-diffusion suppression layers prior to source dopant activation or diffusion to enhance ESD protection capability between gate and source.
    Type: Application
    Filed: July 6, 2012
    Publication date: September 12, 2013
    Applicant: FORCE MOS TECHNOLOGY CO., LTD.
    Inventor: Fu-Yuan HSIEH
  • Publication number: 20130234239
    Abstract: A semiconductor device includes a semiconductor body having a first surface defining a vertical direction and a source metallization arranged on the first surface. In a vertical cross-section the semiconductor body further includes: a drift region of a first conductivity type; at least two compensation regions of a second conductivity type each of which forms a pn-junction with the drift region and is in low resistive electric connection with the source metallization; a drain region of the first conductivity type having a maximum doping concentration higher than a maximum doping concentration of the drift region, and a third semiconductor layer of the first conductivity type arranged between the drift region and the drain region and includes at least one of a floating field plate and a floating semiconductor region of the second conductivity type forming a pn-junction with the third semiconductor layer.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 12, 2013
    Applicant: INFINEON TECHNOLOGIES AUSTRIA AG
    Inventors: Hans Weber, Franz Hirler
  • Publication number: 20130234240
    Abstract: A junctionless vertical gate transistor includes an active pillar vertically protruding from a substrate and including a first impurity region, a second impurity region and a third impurity region sequentially formed over the first impurity region; gate electrodes coupled to sidewalls of the second impurity region; and bit lines arranged in a direction of intersecting with the gate electrodes and each contacting the first impurity region. The first to the third impurity regions include impurities of the same polarity.
    Type: Application
    Filed: February 5, 2013
    Publication date: September 12, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SK HYNIX INC.
    Inventors: Jung-Min MOON, Tae-Kyun KIM, Seok-Hee LEE
  • Publication number: 20130234241
    Abstract: A MOSFET device has a funnel-shaped trench etched in a semiconductor substrate. The funnel-shaped trench has flared rim extending from a wider cross section trench mouth at the surface of the semiconductor substrate to a narrower cross section trench body portion which terminates in an epilayer portion of the semiconductor substrate. A gate electrode is disposed in the trench on the flared rim. Source and gate regions of the device abut upper and lower portions of the flared rim, respectively. A drain region of the device, which abuts the narrower cross section trench body portion, is self-aligned with a lower edge of a gate electrode.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Inventor: Brian Bowers
  • Publication number: 20130234242
    Abstract: A semiconductor device includes trenches defined in a substrate, buried bit lines partially filling the trenches, a first source/drain layer filling remaining portions of the trenches on the buried bit lines, stack patterns having a channel layer and a second source/drain layer stacked therein and bonded to the first source/drain layer, wherein the channel layer contacts with the first source/drain layer, and word lines crossing with the buried bit lines and disposed adjacent to sidewalls of the channel layer.
    Type: Application
    Filed: July 20, 2012
    Publication date: September 12, 2013
    Inventor: Eui-Seong HWANG
  • Publication number: 20130234243
    Abstract: In one embodiment, a transistor fabricated on a semiconductor die is arranged into sections of elongated transistor segments. The sections are arranged in rows and columns substantially across the semiconductor die. Adjacent sections in a row or a column are oriented such that the length of the transistor segments in a first one of the adjacent sections extends in a first direction, and the length of the transistor segments in a second one of the adjacent sections extends in a second direction, the first direction being substantially orthogonal to the second direction. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.
    Type: Application
    Filed: March 28, 2013
    Publication date: September 12, 2013
    Applicant: Power Integrations, Inc.
    Inventors: Vijay Parthasarathy, Sujit Banerjee, Martin H. Manley
  • Publication number: 20130234244
    Abstract: Dummy structures between a high voltage (HV) region and a low voltage (LV) region of a substrate are disclosed, along with methods of forming the dummy structures. An embodiment is a structure comprising a HV gate dielectric over a HV region of a substrate, a LV gate dielectric over a LV region of the substrate, and a dummy structure over a top surface of the HV gate dielectric. A thickness of the LV gate dielectric is less than a thickness of the HV gate dielectric. The dummy structure is on a sidewall of the HV gate dielectric.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Huei-Ru Liu, Chien-Chih Chou, Kong-Beng Thei, Gwo-Yuh Shiau
  • Publication number: 20130234245
    Abstract: A super junction structural semiconductor device with a substantially rectangle-shaped first region, and a second region surrounding the periphery of the first region; trench gate MOSFET units in the first region comprising a plurality of trench gate regions and a first plurality of pillars; a body region between the trench gate regions and the first plurality of pillars; a second plurality of pillars in the second region extending along a corresponding side of the first region comprising a plurality of lateral pillars and a plurality of longitudinal pillars, wherein in a corner part of the second region, ends of the plurality of lateral pillars and ends of the plurality of longitudinal pillars are stagger and separated apart from each other.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 12, 2013
    Applicant: Chengdu Monolithic Power Systems Co., Ltd.
    Inventors: Rongyao Ma, Tiesheng Li, Donald Disney, Lei Zhang
  • Publication number: 20130234246
    Abstract: A device includes a semiconductor substrate, a channel region in the semiconductor substrate having a first conductivity type, and a composite drift region in the semiconductor substrate, having a second conductivity type. The composite drift region includes a first drift region and a second drift region spaced from the channel region by the first drift region. The device further includes a drain region in the semiconductor substrate, spaced from the channel region by the composite drain region, and having the second conductivity type. The first drift region has a dopant concentration profile with a first concentration level where adjacent the channel region and a second concentration level where adjacent the second drift region, the first concentration level being higher than the second concentration level. In some embodiments, the first and second drift regions are stacked vertically, with the first drift region being shallower than the second drift region.
    Type: Application
    Filed: March 6, 2012
    Publication date: September 12, 2013
    Applicant: Freescale Semiconductor, Inc.
    Inventors: Hongning Yang, Jiang-Kai Zuo
  • Publication number: 20130234247
    Abstract: A lateral trench MOSFET comprises a dielectric isolation trench formed over a silicon-on-insulator substrate. The lateral trench MOSFET further comprises a first drift region formed between a drain/source region and an insulator, and a second drift region formed between the dielectric isolation trench and the insulator. The dielectric trench and the insulator help to fully deplete the drift regions. The depleted regions can improve the breakdown voltage as well as the on-resistance of the lateral trench MOSFET.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Po-Yu Chen
  • Publication number: 20130234248
    Abstract: A manufacturing method of a semiconductor device including a DMOS transistor, an NMOS transistor and a PMOS transistor arranged on a semiconductor substrate, the DMOS transistor including a first impurity region and a second impurity region formed to be adjacent to each other, the first impurity region being of the same conductivity type as a drain region and a source region of the DMOS transistor, forming to enclose the drain region, and the second impurity region being of a conductivity type opposite to the first impurity region, forming to enclose the source region, the manufacturing method of the semiconductor device comprising forming the first impurity region and one of the NMOS transistor and the PMOS transistor, and forming the second impurity region and the other of the NMOS transistor and the PMOS transistor.
    Type: Application
    Filed: February 25, 2013
    Publication date: September 12, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Nobuyuki Suzuki, Satoshi Suzuki, Masanobu Ohmura
  • Publication number: 20130234249
    Abstract: An LDMOS transistor includes a gate including a conductive material over an insulator material, a source including a first impurity region and a second impurity region, a third impurity region, and a drain including a fourth impurity region and a fifth impurity region. The first impurity region is of a first type, and the second impurity region is of an opposite second type. The third impurity region extends from the source region under the gate and is of the first type. The fourth impurity region is of the second type, the fifth impurity region is of the second type, and the fourth impurity region impinges the third impurity region.
    Type: Application
    Filed: April 24, 2013
    Publication date: September 12, 2013
    Applicant: Volterra Semiconductor Corporation
    Inventors: Marco A. Zuniga, Budong You, Yang Lu
  • Publication number: 20130234250
    Abstract: A device includes a plurality of STI regions, a plurality of semiconductor strips between the STI regions and parallel to each other, and a plurality of semiconductor fins over the semiconductor strips. A gate stack is disposed over and crossing the plurality of semiconductor fins. A drain epitaxy semiconductor region is disposed on a side of the gate stack and connected to the plurality of semiconductor fins. The drain epitaxy semiconductor region includes a first portion adjoining the semiconductor fins, wherein the first portion forms a continuous region over and aligned to the plurality of semiconductor strips. The drain epitaxy semiconductor region further includes second portions farther away from the gate stack than the first portion. Each of the second portions is over and aligned to one of the semiconductor strips. The second portions are parallel to each other, and are separated from each other by a dielectric material.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 12, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wun-Jie Lin, Ching-Hsiung Lo, Jen-Chou Tseng
  • Publication number: 20130234251
    Abstract: A semiconductor integrated device in which electrostatic discharge damage can be reliably prevented, includes a semiconductor substrate in which an electrostatic protection circuit including a second diffusion region surrounding a first diffusion region as a local region is formed in a main surface; a metal pad opposed to the main surface; and a conductive bump formed so as to face a top surface of the metal pad, wherein in a surface opposed to the metal pad of the conductive bump, a projection which is in contact with the metal pad is provided in a range opposed to the first diffusion region.
    Type: Application
    Filed: February 26, 2013
    Publication date: September 12, 2013
    Applicant: LAPIS SEMICONDUCTOR CO., LTD.
    Inventor: Chikashi FUCHIGAMI