With Particular Manufacturing Method Of Source Or Drain, E.g., Specific S Or D Implants Or Silicided S Or D Structures Or Raised S Or D Structures (epo) Patents (Class 257/E21.619)
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Patent number: 11936299Abstract: A transistor includes a gate structure over a substrate, wherein the substrate includes a channel region. The transistor further includes a source/drain (S/D) in the substrate adjacent to the gate structure. The transistor further includes a lightly doped drain (LDD) region adjacent to the S/D, wherein a dopant concentration in the first LDD is less than a dopant concentration in the S/D. The transistor further includes a doping extension region adjacent the LDD region, wherein the doping extension region extends farther under the gate structure than the LDD region, and a maximum depth of the doping extension region is 10-times to 30-times greater than a maximum depth of the LDD.Type: GrantFiled: September 21, 2020Date of Patent: March 19, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chu Fu Chen, Chi-Feng Huang, Chia-Chung Chen, Chin-Lung Chen, Victor Chiang Liang, Chia-Cheng Pao
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Patent number: 11848328Abstract: Disclosed herein is an apparatus that includes: a semiconductor substrate including first and second STI regions arranged in a first direction, a first diffusion region having a first conductivity type surrounded by the first STI region, a second diffusion region having a second conductivity type surrounded by the second STI region, and a third diffusion region extending in a second direction such that the third diffusion region is arranged between the first and second STI regions; a first gate electrode including a first polycrystalline silicon film covering a part of the first diffusion region to form a P-channel MOS transistor; a second gate electrode including a second polycrystalline silicon film covering a part of the second diffusion region to form an N-channel MOS transistor; and a third polycrystalline silicon film extending in the second direction such that the third polycrystalline silicon film covers the third diffusion region.Type: GrantFiled: December 7, 2021Date of Patent: December 19, 2023Assignee: Micron Technology, Inc.Inventors: Ryota Suzuki, Makoto Sato, Hirokazu Matsumoto, Kyoka Egami
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Patent number: 11810780Abstract: Semiconductor devices having silicon doping for laser splash protection, along with associated methods and systems, are disclosed herein. In one embodiment, a semiconductor device includes a silicon layer and a circuitry layer with a plurality of semiconductor devices. A doped silicon region is formed on a front side of the silicon layer upon which the circuitry layer is deposited. The doped silicon region is positioned under the circuitry layer. The doped silicon region has a dopant concentration of at least 1015 cm?3.Type: GrantFiled: June 27, 2022Date of Patent: November 7, 2023Assignee: Micron Technology, Inc.Inventor: Angelo Oria Espina
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Patent number: 11784254Abstract: A method of fabricating a semiconductor device includes providing a substrate including a semiconductor material having a first lattice constant and then patterning the substrate to form a first semiconductor pattern extending in a first direction. A second semiconductor pattern is also formed on and in contact with the first semiconductor pattern. The second semiconductor pattern extends in the first direction and has a second lattice constant that is sufficiently greater than the first lattice constant so that lattice stress is present at an interface between the first semiconductor pattern and the second semiconductor pattern. The second semiconductor pattern is further patterned to define a sidewall of the second semiconductor pattern that extends in a second direction intersecting the first direction. A gate electrode is formed, which extends in the first direction on the second semiconductor pattern.Type: GrantFiled: December 22, 2021Date of Patent: October 10, 2023Inventor: Hoon-Sung Choi
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Patent number: 11721392Abstract: A method is provided that includes forming a cell film stack on a substrate of a wafer, the cell film stack comprising a top silicon layer, depositing a sacrificial layer onto the top silicon layer, etching the cell film stack and the sacrificial layer to form a plurality of pillars, depositing a dielectric to fill in gaps between the plurality of pillars, planarizing the wafer to a predefined thickness for the sacrificial layer, removing the sacrificial layer, depositing nickel onto the wafer to form a nickel layer, annealing the wafer to form a di-nickel silicide layer between the nickel layer and the top silicon layer, wet etching unreacted nickel of the nickel layer to expose the di-nickel silicide layer, and annealing the wafer to form a nickel monosilicide layer from the di-nickel silicide layer and the top silicon layer, the nickel monosilicide layer forming a monosilicide electrode.Type: GrantFiled: August 30, 2021Date of Patent: August 8, 2023Assignee: Western Digital Technologies, Inc.Inventor: Takuya Futase
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Patent number: 11621349Abstract: A nano-wall integrated circuit structure with high integration density is disclosed, which relates to the fields of microelectronic technology and integrated circuits (IC). Based on the different device physical principles with MOSFETs in traditional ICs, the nano-wall integrated circuit unit structure (Nano-Wall FET, referred to as NWaFET) with high integration density can improve the integration of the IC, significantly shorten the channel length, improve the flexibility of the device channel width-to-length ratio adjustment, and save chip area.Type: GrantFiled: July 5, 2021Date of Patent: April 4, 2023Assignee: University of Electronic Science and Technology of ChinaInventors: Ping Li, Yongbo Liao, Xianghe Zeng, Yaosen Li, Ke Feng, Chenxi Peng, Zhaoxi Hu, Fan Lin, Xuanlin Xiong, Tao He
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Patent number: 11443948Abstract: A method of selectively and conformally doping semiconductor materials is disclosed. Some embodiments utilize a conformal dopant film deposited selectively on semiconductor materials by thermal decomposition. Some embodiments relate to doping non-line of sight surfaces. Some embodiments relate to methods for forming a highly doped crystalline semiconductor layer.Type: GrantFiled: August 9, 2019Date of Patent: September 13, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Wolfgang Aderhold, Yi-Chiau Huang, Wei Liu, Benjamin Colombeau, Abhilash Mayur
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Patent number: 11430749Abstract: According to one configuration, a fabricator produces an electronic device to include: a substrate; a transistor circuit disposed on the substrate; silicide material disposed on first regions of the transistor circuit; and the silicide material absent from second regions of the transistor circuit. Absence of the silicide material over the second regions of the respective of the transistor circuit increases a resistance of one or more parasitic paths (such as one or more parasitic transistors) in the transistor circuit. The increased resistance in the one or more parasitic paths provides better protection of the transistor circuit against electro-static discharge conditions.Type: GrantFiled: October 24, 2019Date of Patent: August 30, 2022Assignee: Infineon Technologies AGInventors: Markus Mergens, Werner Simbuerger
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Patent number: 11367721Abstract: A semiconductor structure includes a semiconductor substrate including a first region and a second region; a first device disposed in the first region and a second device disposed in the second region, wherein a voltage level of the first device is greater than a voltage level of the second device; a first isolation disposed in the first region, wherein the first isolation includes a first depth; and a second isolation disposed in the second region, wherein the second isolation includes a second depth, and the first depth is greater than the second depth.Type: GrantFiled: April 1, 2020Date of Patent: June 21, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Jing-Jung Huang, Ching En Chen, Jung-Hui Kao, Kong-Beng Thei
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Patent number: 11355499Abstract: A static random access memory (SRAM) cell includes substrate, a first semiconductor fin, a first gate structure, a second semiconductor fin, and a second gate structure. The substrate has a first p-well and an n-well bordering the first p-well. The first semiconductor fin extends within the first p-well. The first gate structure extends across the first semiconductor fin and forms a first write-port pull-down transistor with the first semiconductor fin. The second semiconductor fin extends within the n-well. The second gate structure extends across the second semiconductor fin and forms a first write-port pull-up transistor with the second semiconductor fin. A channel region of the first write-port pull-down transistor has a higher doping concentration than a channel region of the first write-port pull-up transistor.Type: GrantFiled: December 19, 2019Date of Patent: June 7, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Jordan Hsu, Yu-Kuan Lin, Shau-Wei Lu, Chang-Ta Yang, Ping-Wei Wang, Kuo-Hung Lo
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Patent number: 11323027Abstract: Apparatus, systems, and methods are disclosed, including a high-voltage charge pump including multiple pump stages connected in series to provide a high-voltage output, a common discharge circuit, and multiple high-voltage devices coupled between the outputs of each of the multiple pump stages and the common discharge circuit. Each of the multiple pump stages include a low-voltage switching device. The common discharge circuit is coupled to each of the multiple pump stages and is configured to discharge the multiple pump stages when the multiple pump stages are disabled. The multiple high-voltage devices include a respective high-voltage device coupled between an output of each of the multiple pump stages and the common discharge circuit.Type: GrantFiled: November 9, 2020Date of Patent: May 3, 2022Assignee: Micron Technology, Inc.Inventors: Michele Piccardi, Xiaojiang Guo
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Patent number: 11011508Abstract: An electronic device, e.g. an integrated circuit, is formed on a P-type lightly-doped semiconductor substrate having an N-type buried layer. First and second N-wells extend from a surface of the substrate to the buried layer. A first NSD region is located within the first N-well, and a second NSD region is located within the second N-well. A PSD region extends from the substrate surface into the substrate and is located between the first and second NSD regions. A P-type lightly-doped portion of the substrate is located between the N-well and the substrate surface and between the PSD region and the first and second NSD regions.Type: GrantFiled: December 14, 2018Date of Patent: May 18, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Mahalingam Nandakumar, Robert Callaghan Taft, Alan Erik Segervall, Muhammad Yusuf Ali
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Patent number: 10832955Abstract: A method for manufacturing a semiconductor device includes forming a hardmask layer on a substrate, patterning the hardmask layer to form a plurality of patterned hardmask portions on the substrate, depositing a dummy hardmask layer on the substrate, patterning the dummy hardmask layer to form a plurality of patterned dummy hardmask portions on the substrate, wherein each of the plurality of patterned dummy hardmask portions is positioned adjacent respective outermost patterned hardmask portions of the plurality of patterned hardmask portions, and transferring a pattern of the plurality of patterned hardmask portions and the plurality of patterned dummy hardmask portions to the substrate to form a plurality of fins and a plurality of dummy fins from the substrate.Type: GrantFiled: April 23, 2019Date of Patent: November 10, 2020Assignee: ELPIS TECHNOLOGIES INC.Inventors: Peng Xu, Kangguo Cheng, Yann Mignot, Choonghyun Lee
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Patent number: 10833580Abstract: Apparatus, systems, and methods are disclosed, including a charge pump having a pumping function that includes multiple pump stages connected in series. Each pump stage includes a capacitor node coupled to a capacitive element, a low-voltage device including a dielectric layer having a threshold voltage, and an output node coupled to the capacitor node through the low-voltage device. The charge pump also includes a common discharge circuit coupled between a reference voltage and a common node. The charge pump also includes multiple high-voltage diodes, each coupled between the output node of a respective pump stage and the common node. The common discharge circuit includes a current source configured to supply a current to the output nodes when the pumping function of the charge pump is disabled.Type: GrantFiled: December 17, 2018Date of Patent: November 10, 2020Assignee: Micron Technology, Inc.Inventors: Michele Piccardi, Xiaojiang Guo
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Patent number: 10763331Abstract: A semiconductor device includes a bulk substrate, and an epitaxial layer formed on a surface of the bulk substrate. A part of the surface of the bulk substrate is an alignment region including an alignment pattern defined by at least one recess or one protrusion. An ion-injected layer is formed in at least a part of the alignment region.Type: GrantFiled: September 25, 2018Date of Patent: September 1, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Kouichi Saitou
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Patent number: 10573642Abstract: The improvement of the reliability of a semiconductor device having a split gate type MONOS memory is implemented. An ONO film and a second polysilicon film are sequentially formed so as to fill between a first polysilicon film and a dummy gate electrode. Then, the dummy gate electrode is removed. Then, the top surfaces of the first and second polysilicon films are polished, thereby to form a memory gate electrode formed of the second polysilicon film at the sidewall of a control gate electrode formed of the first polysilicon film via the ONO film. As a result, the memory gate electrode high in perpendicularity of the sidewall, and uniform in film thickness is formed.Type: GrantFiled: September 10, 2018Date of Patent: February 25, 2020Assignee: Renesas Electronics CorporationInventor: Tatsuyoshi Mihara
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Patent number: 10276570Abstract: A semiconductor device, including first and second fin patterns separated by a first trench; a gate electrode intersecting the first and second fin patterns; and a contact on at least one side of the gate electrode, the contact contacting the first fin pattern, the contact having a bottom surface that does not contact the second fin pattern, a height from a bottom of the first trench to a topmost end of the first fin pattern in a region in which the contact intersects the first fin pattern being a first height, and a height from the bottom of the first trench to a topmost end of the second fin pattern in a region in which an extension line of the contact extending along a direction in which the gate electrode extends intersects the second fin pattern being a second height, the first height being smaller than the second height.Type: GrantFiled: April 4, 2018Date of Patent: April 30, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-Gun You, Hyung-Jong Lee, Sung-Min Kim, Chong-Kwang Chang
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Patent number: 10269899Abstract: An apparatus comprises a first semiconductor fin, a second semiconductor fin and a third semiconductor fin over a substrate, wherein the first semiconductor fin and the second semiconductor fin are separated by a first isolation region and the second semiconductor fin and the third semiconductor fin are separated by a second isolation region, and wherein a width of the first isolation region is greater than a width of the second isolation region.Type: GrantFiled: July 28, 2016Date of Patent: April 23, 2019Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Blandine Duriez, Martin Christopher Holland
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Patent number: 10249713Abstract: A semiconductor device includes a MOS transistor and an ESD protection element comprised of an NMOS off transistor having a gate potential equal to a ground potential or a well potential. The off transistor has an N-type drain region and a P-type drain region in a drain active region thereof. The P-type region has a potential that is the potential of a P well or a P-type semiconductor substrate. A junction withstand voltage of a PN junction in the drain active region is the withstand voltage of the ESD protection element.Type: GrantFiled: March 13, 2017Date of Patent: April 2, 2019Assignee: ABLIC Inc.Inventor: Hideo Yoshino
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Patent number: 10096698Abstract: Described herein is a FinFET device in which epitaxial layers of semiconductor material are formed in the source/drain regions on dielectrically isolated fin portions. The fin portions are located within a dielectric layer that is deposited on a semiconductor substrate. Surfaces of the fin portions are oriented in the {100} lattice plane of the crystalline material of the fin portions, providing for good epitaxial growth. Further described are methods for forming the FinFET device.Type: GrantFiled: March 22, 2018Date of Patent: October 9, 2018Assignee: International Business Machines CorporationInventors: Kangguo Cheng, Juntao Li
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Patent number: 9985015Abstract: A semiconductor device includes a semiconductor substrate having a core device and an IO device. The core device includes a gate interface layer and a high-k dielectric layer on the gate interface layer. The IO device includes a gate interface layer and a high-k dielectric layer on the gate interface layer. The gate interface layer of the core device and the gate interface layer of the IO device each are doped with fluoride ions.Type: GrantFiled: October 20, 2016Date of Patent: May 29, 2018Assignee: Semiconductor Manufacturing International (Shanghai) CorporationInventor: Xinyun Xie
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Patent number: 9893052Abstract: A semiconductor device includes semiconductor fins on semiconductor strips on a substrate. The semiconductor fins are parallel to each other. A gate stack is over the semiconductor fins, and a drain epitaxy semiconductor region is disposed laterally from a side of the gate stack and on the semiconductor strips. A first dielectric layer is over the substrate, and the first dielectric layer has a first metal layer. A second dielectric layer is over the first dielectric layer, and the second dielectric layer has a second metal layer. Vias extend from the second metal layer and through the first dielectric layer, and the vias are electrically coupled to the drain epitaxy semiconductor region.Type: GrantFiled: July 18, 2016Date of Patent: February 13, 2018Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wun-Jie Lin, Ching-Hsiung Lo, Jen-Chou Tseng, Han-Jen Yang, Arabinda Das
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Patent number: 9842943Abstract: Provided is a method for manufacturing a semiconductor device including a film to be treated having a high flatness. A semiconductor substrate having a surface and including a first region and a second region on the surface is prepared, the first region being a region in which a plurality of first level difference portions are formed, the second region being a region in which a plurality of second level difference portions arranged more sparsely than the plurality of first level difference portions are formed, or a region in which no level difference portion is formed. A photosensitive film is formed on a portion of the second region to surround a periphery of the first region as seen in plan view. An applied film having flowability is formed to cover the first region and the photosensitive film. A portion of the applied film at least on the first region is removed.Type: GrantFiled: August 22, 2016Date of Patent: December 12, 2017Assignee: RENESAS ELECTRONICS CORPORATIONInventor: Daisuke Umeda
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Patent number: 9799769Abstract: A semiconductor device includes: a substrate having a first fin-shaped structure and a second fin-shaped structure thereon, a shallow trench isolation (STI) around the first fin-shaped structure and the second fin-shaped structure, a gate isolation directly on the second fin-shaped structure, and a gate line on the STI and the first fin-shaped structure. Preferably, the gate line includes a L-shaped structure.Type: GrantFiled: January 6, 2017Date of Patent: October 24, 2017Assignee: UNITED MICROELECTRONICS CORP.Inventor: Chien-Ting Lin
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Patent number: 9741830Abstract: The present invention provides a method of forming a metal oxide semiconductor (MOS) device comprising a gate structure and an epitaxial structure. The gate structure is disposed on a substrate. The epitaxial structure is disposed in the substrate at two sides of the gate structure and a part thereof serves a source/drain of the MOS, wherein the epitaxial structure comprises: a first buffer layer with a second conductive type, a second buffer layer, and an epitaxial layer with a first conductive type complementary to the second conductive type. The present invention further provides a method of forming the same.Type: GrantFiled: April 7, 2016Date of Patent: August 22, 2017Assignee: UNITED MICROELECTRONICS CORP.Inventors: Kung-Hong Lee, Chun-Jung Tang, Te-Chih Chen, Tai-Ju Chen
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Patent number: 9698057Abstract: An integrated circuit device and method for manufacturing the integrated circuit device is disclosed. The disclosed method provides improved control over a surface proximity and tip depth of an integrated circuit device. In an embodiment, the method achieves improved control by forming a doped region and a lightly doped source and drain (LDD) region in a source and drain region of the device. The doped region is implanted with a dopant type opposite to the LDD region.Type: GrantFiled: June 1, 2015Date of Patent: July 4, 2017Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun-Feng Nieh, Ming-Huan Tsai, Wei-Han Fan, Yimin Huang, Chun-Fai Cheng, Han-Ting Tsai, Chii-Ming Wu
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Patent number: 9613811Abstract: A first protective layer, a mask layer, a second protective layer and a photoresist layer are sequentially formed on a substrate. A photoresist pattern is formed by partially removing the photoresist layer. An ion implantation mask is formed by sequentially etching the second protective layer, the mask layer and the first protective layer using the photoresist pattern. The ion implantation mask exposes the substrate. Impurities are implanted in an upper portion of the substrate exposed by the ion implantation mask.Type: GrantFiled: October 28, 2014Date of Patent: April 4, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Jik Baek, Sang-Jine Park, Bo-Un Yoon, Young-Sang Youn, Ji-Min Jeong, Ji-Hoon Cha
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Patent number: 9543387Abstract: A semiconductor device includes a gate structure located on a substrate and a raised source/drain region adjacent to the gate structure. The raised source/drain region includes: a first epitaxial-grown doped layer of the raised source/drain region in contact with the substrate; a second epitaxial-grown doped layer on the first epitaxial-grown doped layer and including a same dopant species as the first epitaxial-grown doped layer, wherein the second epitaxial-grown doped layer includes a higher dopant concentration than the first epitaxial-grown doped layer and interfacing the gate structure by using a predetermined distance; and a third epitaxial-grown doped layer on the second epitaxial-grown doped layer and including the same dopant species as the first epitaxial-grown doped layer, wherein the third epitaxial-grown doped layer includes a higher dopant concentration than the second epitaxial-grown doped layer.Type: GrantFiled: March 10, 2014Date of Patent: January 10, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Shih-Chieh Chang, Ying-Min Chou, Yi-Ming Huang, Wen-Chu Hsiao, Hsiu-Ting Chen, Huai-Tei Yang
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Patent number: 9520458Abstract: Embodiments of the inventive concepts provide a resistor and a semiconductor device including the same. The resistor includes a substrate, a device isolation layer in the substrate which defines active regions arranged in a first direction a resistance layer including resistance patterns that vertically protrude from the active regions and are connected to each other in the first direction, and contact electrodes on the resistance layer.Type: GrantFiled: May 21, 2015Date of Patent: December 13, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Myung Gil Kang, Dongwon Kim, Ilryong Kim, Changwoo Oh, Keun Hwi Cho, Toshinori Fukai
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Patent number: 9419089Abstract: The present invention provides a semiconductor structure, which includes a substrate, at least two gate structures disposed on the substrate, a first recess, disposed in the substrate between two gate structures, the first recess having a U-shaped cross section profile, and a second recess, disposed on the first recess, the second recess having a polygonal shaped cross section profile, and has at least two tips on two sides of the second recess, the first recess and the second recess forming an epitaxial recess.Type: GrantFiled: May 18, 2015Date of Patent: August 16, 2016Assignee: UNITED MICROELECTRONICS CORP.Inventors: Yu-Ying Lin, Kuang-Hsiu Chen, Ted Ming-Lang Guo, Yu-Ren Wang
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Patent number: 9349650Abstract: A gate structure is formed straddling a first portion of a plurality of semiconductor fins that extend upwards from a topmost surface of an insulator layer. A dielectric spacer is formed on sidewalls of the gate structure and straddling a second portion of the plurality of semiconductor fins. Epitaxial semiconductor material portions that include a non-planar bottommost surface and a non-planar topmost surface are grown from at least the exposed sidewalls of each semiconductor fin not including the gate structure or the gate spacer to merge adjacent semiconductor fins. A gap is present beneath epitaxial semiconductor material portions and the topmost surface of the insulator layer. A second epitaxial semiconductor material is formed on the epitaxial semiconductor material portions and thereafter the second epitaxial semiconductor material is converted into a metal semiconductor alloy.Type: GrantFiled: October 27, 2014Date of Patent: May 24, 2016Assignee: GLOBALFOUNDRIES INC.Inventors: Kevin K. Chan, Yue Ke, Annie Levesque, Dae-Gyu Park, Ravikumar Ramachandran, Amanda L. Tessier, Min Yang
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Patent number: 8999798Abstract: NMOS transistors having controlled channel strain and junction resistance and methods for the fabrication of same are provided herein. In some embodiments, a method for forming an NMOS transistor may include (a) providing a substrate having a p-type silicon region; (b) depositing a silicon seed layer atop the p-type silicon region; (c) depositing a silicon-containing bulk layer comprising silicon, silicon and a lattice adjusting element or silicon and an n-type dopant atop the silicon seed layer; (d) implanting at least one of the lattice adjusting element or the n-type dopant which is absent from the silicon-containing bulk layer deposited in (c) into the silicon-containing bulk layer; and (e) annealing the silicon-containing bulk layer with an energy beam after implantation in (d). In some embodiments, the substrate may comprise a partially fabricated NMOS transistor device having a source/drain region defined therein.Type: GrantFiled: December 15, 2010Date of Patent: April 7, 2015Assignee: Applied Materials, Inc.Inventors: Mitchell C. Taylor, Susan B. Felch
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Patent number: 8994003Abstract: To provide a power MISFET using oxide semiconductor. A gate electrode, a source electrode, and a drain electrode are formed so as to interpose a semiconductor layer therebetween, and a region of the semiconductor layer where the gate electrode and the drain electrode do not overlap with each other is provided between the gate electrode and the drain electrode. The length of the region is from 0.5 ?m to 5 ?m. In such a power MISFET, a power source of 100 V or higher and a load are connected in series between the drain electrode and the source electrode, and a control signal is input to the gate electrode.Type: GrantFiled: September 19, 2011Date of Patent: March 31, 2015Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Yasuhiko Takemura
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Patent number: 8993390Abstract: A manufacturing method of a semiconductor device comprises the following steps. First, a substrate is provided, at least one fin structure is formed on the substrate, and a metal layer is then deposited on the fin structure to form a salicide layer. After depositing the metal layer, the metal layer is removed but no RTP is performed before the metal layer is removed. Then a RTP is performed after the metal layer is removed.Type: GrantFiled: May 15, 2014Date of Patent: March 31, 2015Assignee: United Microelectronics Corp.Inventors: Kuo-Chih Lai, Chia Chang Hsu, Nien-Ting Ho, Bor-Shyang Liao, Shu Min Huang, Min-Chung Cheng, Yu-Ru Yang
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Patent number: 8987144Abstract: In sophisticated semiconductor devices, high-k metal gate electrode structures may be formed in an early manufacturing stage with superior integrity of sensitive gate materials by providing an additional liner material after the selective deposition of a strain-inducing semiconductor material in selected active regions. Moreover, the dielectric cap materials of the gate electrode structures may be removed on the basis of a process flow that significantly reduces the degree of material erosion in isolation regions and active regions by avoiding the patterning and removal of any sacrificial oxide spacers.Type: GrantFiled: August 4, 2011Date of Patent: March 24, 2015Assignee: GLOBALFOUNDRIES Inc.Inventors: Stephan Kronholz, Markus Lenski, Hans-Juergen Thees
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Patent number: 8980719Abstract: An embodiment of the disclosure includes doping a FinFET. A dopant-rich layer comprising an dopant is formed on a top surface and sidewalls of a semiconductor fin of a substrate. A cap layer is formed to cover the dopant-rich layer. The substrate is annealed to drives the dopant from the dopant-rich layer into the semiconductor fin.Type: GrantFiled: April 28, 2010Date of Patent: March 17, 2015Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Yu-Lien Huang, De-Wei Yu
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Patent number: 8956937Abstract: The present invention discloses to a method of depositing the metal barrier layer comprising silicon dioxide. It is applied in the transistor device comprising a silicon substrate, a gate and a gate side wall. The method comprises the following steps: ions are implanted into the silicon substrate to form an active region in the said silicon substrate; a first dense silicon dioxide film is deposited; a second normal silicon dioxide film is deposited; the said transistor device is high temperature annealed. The present invention ensures that the implanted ion is not separated out of the substrate during the annealing. And it prevents the warping and fragment of the silicon surface.Type: GrantFiled: November 1, 2013Date of Patent: February 17, 2015Assignee: Shanghai Huali Microelectronics CorporationInventors: GuoFang Xuan, Fei Luo
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Patent number: 8946037Abstract: A method for producing a tunnel field-effect transistor is disclosed. Connection regions of different doping types are produced by means of self-aligning implantation methods.Type: GrantFiled: August 1, 2013Date of Patent: February 3, 2015Assignee: Infineon Technologies AGInventors: Ronald Kakoschke, Helmut Tews
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Patent number: 8946028Abstract: FinFETs are merged together by a metal. The method of manufacturing the FinFETs include forming a plurality of fin bodies on a substrate and merging the fin bodies with a metal. The method further includes implanting source and drain regions through the metal.Type: GrantFiled: October 6, 2009Date of Patent: February 3, 2015Assignee: International Business Machines CorporationInventors: Kevin K. Chan, Zhibin Ren, Xinhui Wang, Keith Kwong Hon Wong
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Patent number: 8936989Abstract: A method for fabricating a semiconductor integrated circuit having a self-aligned structure, the method comprises the steps of: providing a semiconductor substrate; forming a gate dielectric layer, a first polysilicon layer, and a first capping layer on top of the semiconductor substrate; patterning the first capping layer, the first polysilicon layer and stopping on the gate dielectric layer to form a gate structure; forming and patterning a composite dielectric layer, a second polysilicon layer, and a second capping layer to form an interconnect structure; forming a composite spacer; removing the photo-resist layer; forming a third polysilicon layer; making blanket removal of the third polysilicon layer to leave a remain third polysilicon layer; removing the first and the second capping layer; forming a source and a drain; and forming a silicide layer overlying the gate structure, source, drain and the interconnect structure to form the self-aligned structure.Type: GrantFiled: April 10, 2008Date of Patent: January 20, 2015Inventor: Tzu-Yin Chiu
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Patent number: 8912568Abstract: A semiconductor device and manufacturing method therefor includes a ?-shaped embedded source or drain regions. A U-shaped recess is formed in a Si substrate using dry etching and a SiGe layer is grown epitaxially on the bottom of the U-shaped recess. Using an orientation selective etchant having a higher etching rate with respect to Si than SiGe, wet etching is performed on the Si substrate sidewalls of the U-shaped recess, to form a ?-shaped recess.Type: GrantFiled: January 19, 2012Date of Patent: December 16, 2014Assignee: Semiconductor Manufacturing International (Beijing) CorporationInventors: Huanxin Liu, Huojin Tu
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Patent number: 8889510Abstract: A method for forming a surrounding stacked gate fin FET nonvolatile memory structure includes providing a silicon-on-insulator (SOI) substrate of a first conductivity type, patterning a fin active region on a region of the substrate, forming a tunnel oxide layer on the fin active region, and depositing a first gate electrode of a second conductivity type on the tunnel oxide layer and upper surface of the substrate. The method further includes forming a dielectric composite layer on the first gate electrode, depositing a second gate electrode on the dielectric composite layer, patterning the first and second gate electrodes to define a surrounding stacked gate area, forming a spacer layer on a sidewall of the stacked gate electrode, and forming elevated source/drain regions in the fin active region on both sides of the second gate electrode.Type: GrantFiled: July 12, 2013Date of Patent: November 18, 2014Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventors: De Yuan Xiao, Lily Jiang, Gary Chen, Roger Lee
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Patent number: 8883651Abstract: A method of manufacturing a transistor of a semiconductor device, the method including forming a gate pattern on a semiconductor substrate, forming a spacer on a sidewall of the gate pattern, wet etching the semiconductor substrate to form a first recess in the semiconductor substrate, wherein the first recess is adjacent to the spacer, and wet etching the first recess to form a second recess in the semiconductor substrate.Type: GrantFiled: July 31, 2012Date of Patent: November 11, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Seokhoon Kim, Sangsu Kim, Chung Geun Koh, Byeongchan Lee, Sunghil Lee, Jinyeong Joe
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Patent number: 8877604Abstract: A FET structure including epitaxial source and drain regions includes large contact areas and exhibits both low resistivity and low parasitic gate to source/drain capacitance. The source and drain regions are laterally etched to provide recesses for accommodating low-k dielectric material without compromising the contact area between the source/drain regions and their associated contacts. A high-k dielectric layer is provided between the raised source/drain regions and a gate conductor as well as between the gate conductor and a substrate, such as an ETSOI or PDSOI substrate. The structure is usable in electronic devices such as MOSFET devices.Type: GrantFiled: December 17, 2012Date of Patent: November 4, 2014Assignee: International Business Machines CorporationInventors: Thomas N. Adam, Kangguo Cheng, Ali Khakifirooz, Alexander Reznicek
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Patent number: 8877583Abstract: In a method of forming an ohmic layer of a DRAM device, the metal silicide layer between the storage node contact plug and the lower electrode of a capacitor is formed as the ohmic layer by a first heat treatment under a first temperature and an instantaneous second heat treatment under a second temperature higher than the first temperature. Thus, the metal silicide layer has a thermo-stable crystal structure and little or no agglomeration occurs on the metal silicide layer in the high temperature process. Accordingly, the sheet resistance of the ohmic layer may not increase in spite of the subsequent high temperature process.Type: GrantFiled: December 27, 2012Date of Patent: November 4, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-Bum Kim, Young-Pil Kim, Kwan-Heum Lee, Sun-Ghil Lee
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Patent number: 8853037Abstract: Methods are provided for forming semiconductor devices. One method includes forming a first layer overlying a bulk semiconductor substrate. A second layer is formed overlying the first layer. A plurality of trenches is etched into the first and second layers. Portions of the second layer that are disposed between the plurality of trenches define a plurality of fins. A gate structure is formed overlying the plurality of fins. The first layer is etched to form gap spaces between the bulk semiconductor substrate and the plurality of fins. The plurality of fins is at least partially supported in position adjacent to the gap spaces by the gate structure. The gap spaces are filled with an insulating material.Type: GrantFiled: March 14, 2012Date of Patent: October 7, 2014Assignee: GLOBALFOUNDRIES, Inc.Inventor: Jin Cho
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Patent number: 8842400Abstract: A semiconductor device for electrostatic discharge (ESD) protection includes a silicon controlled rectifier (SCR) including a semiconductor substrate, a first well formed in the substrate, a second well formed in the substrate, a first p-type region formed in the first well to serve as an anode, and a first n-type region partially formed in the second well to serve as a cathode, a p-type metal-oxide-semiconductor (PMOS) transistor formed in the first well including a gate, a first diffused region and a second diffused region separated apart from the first diffused region, a second n-type region formed in the first well electrically connected to the first diffused region of the PMOS transistor, and a second p-type region formed in the substrate electrically connected to the second diffused region of the PMOS transistor.Type: GrantFiled: December 6, 2012Date of Patent: September 23, 2014Assignee: Industrial Technology Research InstituteInventors: Ming-Dou Ker, Shih-Hung Chen, Kun-Hsien Lin
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Patent number: 8835995Abstract: A semiconductor device includes a semiconductor substrate, a gate electrode structure including a gate electrode located on an active region of the semiconductor substrate, first and second epitaxial regions located in the active region at opposite sides of the gate electrode structure, and first and second silicide layers on upper surfaces of the first and second epitaxial regions, respectively. The first and second epitaxial regions include Si—X, where X is one of germanium and carbon, and at least a portion of each of the first and second silicide layers is devoid of X and includes Si—Y, where Y is a metal or metal alloy.Type: GrantFiled: June 8, 2011Date of Patent: September 16, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Sungkwan Kang, Keum Seok Park, Byeongchan Lee, Sangbom Kang, Nam-Kyu Kim
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Patent number: 8836036Abstract: A method for fabricating a semiconductor device is presented. The method comprises providing a gate stack including a gate dielectric and gate electrode over a substrate. Stressor regions comprising stressor material incorporated into substitutional sites of the substrate are formed within the substrate on opposed sides of the gate stack. A first stressor layer having a first stress value is formed over the semiconductor device after forming the stressor regions followed by an anneal to memorize at least a portion of the first stress value in the semiconductor device, wherein the anneal is conducted at a low temperature.Type: GrantFiled: May 10, 2010Date of Patent: September 16, 2014Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.Inventors: Shyue Seng Tan, Lee Wee Teo
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Patent number: 8835268Abstract: A method for manufacturing a semiconductor device includes forming a mask film on a partial region of a semiconductor substrate; forming a mask member above the semiconductor substrate in both the region where the mask film is formed and a region where the mask film is not formed; patterning the mask film and an upper portion of the semiconductor substrate by performing etching using the mask member as a mask. The method further includes removing part of the patterned upper portion of the semiconductor substrate by performing etching using the patterned mask film as a mask.Type: GrantFiled: March 15, 2012Date of Patent: September 16, 2014Assignee: Kabushiki Kaisha ToshibaInventor: Gaku Sudo