Patents Assigned to Semiconductor Manufacturing
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Patent number: 10756208Abstract: The present disclosure relates to an integrated chip. In some embodiments, the integrated chip has a gate structure disposed over a substrate between source and drain regions and a dielectric layer laterally extending from over the gate structure to between the gate structure and the drain region. A composite etch stop layer having a plurality of different dielectric materials is stacked over the dielectric layer. A contact etch stop layer directly contacts an upper surface and sidewalls of the composite etch stop layer. A field plate is laterally surrounded by a first inter-level dielectric (ILD) layer and vertically extends from a top of the first ILD layer, through the contact etch stop layer, and into the composite etch stop layer.Type: GrantFiled: October 30, 2018Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Hui-Ting Lu, Pei-Lun Wang, Yu-Chang Jong
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Patent number: 10756094Abstract: Systems and methods are provided for fabricating a static random access memory (SRAM) cell in a multi-layer semiconductor device structure. An example SRAM device includes a first array of SRAM cells, a second array of SRAM cells, a processing component, and one or more inter-layer connection structures. The first array of SRAM cells are formed in a first device layer of a multi-layer semiconductor device structure. The second array of SRAM cells are formed in a second device layer of the multi-layer semiconductor device structure, the second device layer being formed on the first device layer. The processing component is configured to process one or more input signals and generate one or more access signals. One or more inter-layer connection structures are configured to transmit the one or more access signals to activate the first device layer or the second device layer for allowing access to a target SRAM cell.Type: GrantFiled: April 6, 2018Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Chien-Yu Huang, Chien-Yuan Chen, Hau-Tai Shieh
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Patent number: 10755934Abstract: A chemical mechanical polishing (CMP) system and associated semiconductor fabrication methods are disclosed herein. An exemplary method includes performing a planarization process in a polishing unit of a CMP system to planarize a surface of a material layer using a CMP slurry. The method further includes, after performing the planarization process, performing a buffing process in the polishing unit of the CMP system to buff the surface of the material layer using an ozone gas dissolved in deionized water (O3/DIW) solution. The method further includes controlling the performing of the planarization process and the performing of the buffing process, such that the CMP slurry is received by the polishing unit from a first pipeline during the planarization process and the O3/DIW solution is received by the polishing unit from a second pipeline during the buffing process.Type: GrantFiled: December 11, 2019Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shich-Chang Suen, Chi-Jen Liu, Ying-Liang Chuang, Li-Chieh Wu, Liang-Guang Chen, Ming-Liang Yen
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Patent number: 10755938Abstract: The present disclosure provides a semiconductor structure, including an active region with a first surface; an isolated region having a second surface, surrounding the active region, the first surface being higher than the second surface; and a metal gate having a plurality of metal layers disposed over the first surface and the second surface. A ratio of a thinnest portion and a thickest portion of at least one of the plurality of metal layers is greater than about 40%.Type: GrantFiled: June 4, 2018Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Chi-Cheng Hung, Yu-Sheng Wang, Ting-Siang Su, Ching-Hwanq Su
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Patent number: 10756017Abstract: Contact structures and methods of forming contacts structures are contemplated by this disclosure. A structure includes a dielectric layer over a substrate, an adhesion layer, a silicide, a barrier layer, and a conductive material. The dielectric layer has an opening to a surface of the substrate. The adhesion layer is along sidewalls of the opening. The silicide is on the surface of the substrate. The barrier layer is on the adhesion layer and the silicide, and the barrier layer directly adjoins the silicide. The conductive material is on the barrier layer in the opening.Type: GrantFiled: March 21, 2019Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Hung Lin, Mei-Hui Fu, Sheng-Hsuan Lin
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Patent number: 10752497Abstract: The present disclosure, in some embodiments, relates to an integrated chip structure. The integrated chip structure has a plurality of interconnect layers disposed within a dielectric structure over a substrate. A passivation layer is over the dielectric structure. A sensing electrode and a bonding electrode have bottom surfaces directly contacting the passivation layer. A microelectromechanical systems (MEMS) substrate is vertically separated from the sensing electrode. The bonding electrode is electrically connected to the MEMs substrate and to one or more of the plurality of interconnect layers. An electrode extension via is configured to electrically connect the sensing electrode to one or more of the plurality of interconnect layers.Type: GrantFiled: December 6, 2018Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yu-Chia Liu, Chia-Hua Chu, Chun-Wen Cheng, Jung-Huei Peng
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Patent number: 10755768Abstract: A semiconductor memory device includes: a local write bit (LWB) line; a local write bit_bar (LWB_bar) line; a global write bit (GWB) line; a global write bit_bar (GWBL_bar) line; a column of segments, each segment including bit cells; each of the bit cells including a latch circuit and first and second pass gates connecting the corresponding LWB and LWB_bar lines to the latch circuit; and a distributed write driving arrangement. The distributed write driving arrangement includes: a global write driver including a first inverter connected between the GWB line and the LWB line, and a second inverter connected between the GWB_bar line and the LWB_bar line; and a local write driver included at an interior of each segment, each local write driver including a third inverter connected between the GWB line and the LWB line; and a fourth inverter connected between the GWB_bar line and the LWB_bar line.Type: GrantFiled: July 3, 2019Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hidehiro Fujiwara, Hung-Jen Liao, Li-Wen Wang, Jonathan Tsung-Yung Chang, Yen-Huei Chen
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Patent number: 10756010Abstract: A semiconductor device and method of manufacture are presented in which a first semiconductor device and second semiconductor device are bonded to a first wafer and then singulated to form a first package and a second package. The first package and second package are then encapsulated with through interposer vias, and a redistribution structure is formed over the encapsulant. A separate package is bonded to the through interposer vias.Type: GrantFiled: December 16, 2019Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hua Yu, Sung-Feng Yeh, Ming-Fa Chen, Hsien-Wei Chen, Tzuan-Horng Liu
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Patent number: 10756255Abstract: A device is provided that includes a semiconductor substrate on which a free magnetic element is positioned, which has first and second magnetic domains separated by a domain wall. A first magnet is positioned on the substrate near a first end of the free magnetic element, and has a first polarity and a first value of coercivity. A second magnet is positioned on the substrate near a second end of the free magnetic element, and has a second polarity, antiparallel relative to the first polarity, and a second value of coercivity different from the first value of coercivity.Type: GrantFiled: May 17, 2018Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Mingyuan Song, Chwen Yu, Shy-Jay Lin
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Patent number: 10755935Abstract: A semiconductor device and fabrication method are provided. The method includes providing a first dielectric layer with a first groove on a base substrate. A first gate electrode is formed in the first groove, with a top surface lower than the first dielectric layer. A first protective layer is formed on a portion of the top surface of the first gate electrode, with a first oxygen ionic concentration. A compensating protective layer is formed on a remaining portion of the top surface of the first gate electrode exposed by the first protective layer, with a second oxygen ionic concentration. A second dielectric layer is formed on the first protective layer, on the compensating protective layer, and on the first dielectric layer, with a third oxygen ionic concentration. The first oxygen ionic concentration and second oxygen ionic concentration are smaller than the third oxygen ionic concentration.Type: GrantFiled: May 8, 2018Date of Patent: August 25, 2020Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventor: Yong Li
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Patent number: 10755945Abstract: A method includes forming a metal gate structure, wherein the metal gate structure includes a gate dielectric layer and a gate electrode; performing a surface treatment to a top surface of the metal gate structure, wherein the surface treatment converts a top portion of the gate electrode to an oxidation layer; forming a conductive layer above the gate electrode, wherein the forming of the conductive layer includes substituting oxygen in the oxidation layer with a metallic element; and forming a contact feature above the metal gate structure, wherein the contact feature is in direct contact with the conductive layer.Type: GrantFiled: July 16, 2018Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Pang-Sheng Chang, Yu-Feng Yin, Chao-Hsun Wang, Kuo-Yi Chao, Fu-Kai Yang, Mei-Yun Wang, Feng-Yu Chang, Chen-Yuan Kao, Chia-Yang Hung, Chia-Sheng Chang, Shu-Huei Suen, Jyu-Horng Shieh, Sheng-Liang Pan, Jack Kuo-Ping Kuo, Shao-Jyun Wu
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Patent number: 10755977Abstract: A semiconductor device and a method for manufacturing a semiconductor device are provided. The semiconductor device includes a substrate, a gate stack, a gate spacer, a conductive feature, and a conductive cap. The substrate has a source/drain region. The gate stack is on the substrate. The gate spacer is alongside the gate stack. The conductive feature is on the source/drain region. The conductive cap is on the conductive feature and has a top in a position lower than a top of the gate spacer.Type: GrantFiled: December 17, 2018Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Jia-Chuan You, Chia-Hao Chang, Wei-Hao Wu, Yu-Ming Lin, Chih-Hao Wang
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Patent number: 10756271Abstract: A method and structure for providing uniform, large-area graphene by way of a transfer-free, direct-growth process. In some embodiments, a SAM is used as a carbon source for direct graphene synthesis on a substrate. For example, a SAM is formed on an insulating surface, and a metal layer is formed over the SAM. The metal layer may serve as a catalytic metal, whereby the SAM is converted to graphene following an annealing process. The SAM is deposited using a VPD process (e.g., an ALD process and/or an MLD process). In some embodiments, a CNT having a controlled diameter may be formed on the surface of a nanorod by appropriately tuning the geometry of the nanorod. Additionally, in some embodiments, a curved graphene transistor may be formed over a curved oxide surface, thereby providing a band gap in a channel region of the graphene transistor.Type: GrantFiled: October 28, 2019Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Miin-Jang Chen, Samuel C. Pan, Chung-Yen Hsieh
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Patent number: 10755953Abstract: The present disclosure relates to some embodiments of a method for improving processing efficiency of a cluster tool. The method comprises transferring a first lot of wafers from a transfer load lock to a designated storage load lock and transferring a second lot of wafers from the transfer load lock to the designated storage load lock while the first lot of wafers is in the transfer load lock or the designated storage load lock. The designated storage load lock has the same structure as the transfer load lock and respectively has an inner load lock portal at an interface with the first transfer chamber and an outer load lock portal on a sidewall of a front end interface. The inner load lock portal of the designated storage load lock is retained opened during processing. The outer load lock portal of the designated storage load lock is retained closed during processing.Type: GrantFiled: October 18, 2019Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Su-Horng Lin, Tsung-Hsun Yu, Victor Y. Lu
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Patent number: 10756087Abstract: A method includes forming a first semiconductor fin in a substrate, forming a metal gate structure over the first semiconductor fin, removing a portion of the metal gate structure to form a first recess in the metal gate structure that is laterally separated from the first semiconductor fin by a first distance, wherein the first distance is determined according to a first desired threshold voltage associated with the first semiconductor fin, and filling the recess with a dielectric material.Type: GrantFiled: June 15, 2018Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chung-Chiang Wu, Shih-Hang Chiu, Chih-Chang Hung, I-Wei Yang, Shu-Yuan Ku, Cheng-Lung Hung, Da-Yuan Lee, Ching-Hwanq Su
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Patent number: 10756052Abstract: A method of manufacturing an integrated fan-out (InFO) package includes at least the following steps. A package array is formed. A dielectric layer having a core layer formed thereon is provided. The core layer includes a plurality of cavities penetrating through the core layer. The dielectric layer and the core layer are attached onto the package array such that the core layer is located between the dielectric layer and the package array. A plurality of first conductive patches is formed on the dielectric layer above the cavities.Type: GrantFiled: July 28, 2019Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Albert Wan, Ching-Hua Hsieh, Chung-Hao Tsai, Chuei-Tang Wang, Chao-Wen Shih, Han-Ping Pu, Chien-Ling Hwang, Pei-Hsuan Lee, Tzu-Chun Tang, Yu-Ting Chiu, Jui-Chang Kuo
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Patent number: 10755970Abstract: In one exemplary aspect, a method for semiconductor manufacturing comprises forming first and second silicon nitride features on sidewall surfaces of a contact hole, where the contact hole is disposed in a dielectric layer and above a source/drain (S/D) feature. The method further comprises forming a contact plug in the contact hole, the contact plug being electrically coupled to the S/D feature, removing a top portion of the contact plug to create a recess in the contact hole, forming a hard mask layer in the recess, and removing the first and second silicon nitride features via selective etching to form first and second air gaps, respectively.Type: GrantFiled: June 15, 2018Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Hsin-Che Chiang, Ju-Li Huang, Chun-Sheng Liang, Jeng-Ya David Yeh
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Patent number: 10756016Abstract: A method includes receiving a substrate having a substrate feature; forming a first material layer over the substrate and in physical contact with the substrate feature; forming an etch mask over the first material layer; and applying a dynamic-angle (DA) plasma etching process to the first material layer through the etch mask to form a first material feature. Plasma flux of the DA plasma etching process has an angle of incidence with respect to a normal of the first material layer and the angle of incidence changes in a dynamic mode during the DA plasma etching process.Type: GrantFiled: December 19, 2019Date of Patent: August 25, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shih-Ming Chang, Chih-Tsung Shih
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Patent number: 10755974Abstract: A method of forming a semiconductor device is provided. Metallic interconnects are formed in a dielectric layer of the semiconductor device. A hard mask is used to avoid usual problems faced by manufacturers, such as possibility of bridging different conductive elements and via patterning problems when there are overlays between vias and trenches. The hard mask is etched multiple times to extend via landing windows, while keeping distance between the conductive elements to avoid the bridging problem.Type: GrantFiled: April 22, 2019Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing CompanyInventors: Ming-Hui Chu, Chih-Yuan Ting, Jyu-Horng Shieh
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Patent number: 10756058Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a first chip, a second chip, self-aligned structures, a bridge structure, and an insulating encapsulant. The first chip has a first rear surface opposite to a first active surface. The second chip is disposed beside the first chip and has a second rear surface opposite to a second active surface. The self-aligned structures are disposed on the first rear surface of the first chip and the second rear surface of the second chip. The bridge structure is electrically connected to the first chip and the second chip. The insulating encapsulant covers at least the side surfaces of the first and second chips, a side surface of the semiconductor substrate, and the side surfaces of the self-aligned structures.Type: GrantFiled: August 29, 2018Date of Patent: August 25, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Ying-Ching Shih, Chih-Wei Wu, Szu-Wei Lu