Patents Examined by Hoa B. Trinh
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Patent number: 10672774Abstract: A method of forming a bit line gate structure of a dynamic random access memory (DRAM) includes the following steps. A polysilicon layer is formed on a substrate. A sacrificial layer is formed on the polysilicon layer. An implantation process is performed on the sacrificial layer and the polysilicon layer. The sacrificial layer is removed. A metal stack is formed on the polysilicon layer. The present invention also provides another method of forming a bit line gate structure of a dynamic random access memory (DRAM) including the following steps. A polysilicon layer is formed on a substrate. A plasma doping process is performed on a surface of the polysilicon layer. A metal stack is formed on the surface of the polysilicon layer.Type: GrantFiled: February 21, 2018Date of Patent: June 2, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Yi-Wei Chen, Pin-Hong Chen, Tsun-Min Cheng, Chun-Chieh Chiu
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Patent number: 10658296Abstract: A method for semiconductor manufacturing is disclosed. The method includes receiving a device having a first surface through which a first metal or an oxide of the first metal is exposed. The method further includes depositing a dielectric film having Si, N, C, and O over the first surface such that the dielectric film has a higher concentration of N and C in a first portion of the dielectric film near the first surface than in a second portion of the dielectric film further away from the first surface than the first portion. The method further includes forming a conductive feature over the dielectric film. The dielectric film electrically insulates the conductive feature from the first metal or the oxide of the first metal.Type: GrantFiled: September 30, 2016Date of Patent: May 19, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Cheng-Yi Wu, Li-Hsuan Chu, Ching-Wen Wen, Chia-Chun Hung, Chen Liang Chang, Chin-Szu Lee, Hsiang Liu
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Patent number: 10651151Abstract: A method includes aligning a germanium feature on a first CMOS wafer with an aluminum feature on a second CMOS wafer. The aluminum feature and the germanium feature are pressed together. A eutectic bond is formed connecting the aluminum feature to the germanium feature. The eutectic bond has a melting point which is lower than the melting point of aluminum and the melting point of germanium.Type: GrantFiled: July 28, 2017Date of Patent: May 12, 2020Assignee: InvenSense, Inc.Inventors: Peter Smeys, Mozafar Maghsoudnia
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Patent number: 10651052Abstract: A semiconductor package structure includes a first insulating layer, a first conductive layer, a multi-layered circuit structure, a protection layer, and a semiconductor chip electrically connected to the multi-layered circuit structure. The first insulating layer defines a first through hole extending through the first insulating layer. The first conductive layer includes a conductive pad disposed in the first through hole and a trace disposed on an upper surface of the first insulating layer. The multi-layered circuit structure is disposed on an upper surface of the first conductive layer. The multi-layered circuit structure includes a bonding region disposed on the conductive pad of the first conductive layer and an extending region disposed on the trace of the first conductive layer. The protection layer covers the upper surface of the first insulating layer and the extending region of the multi-layered circuit structure, and exposes the bonding region of the multi-layered circuit structure.Type: GrantFiled: January 12, 2018Date of Patent: May 12, 2020Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.Inventors: Wen Hung Huang, Yan Wen Chung
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Patent number: 10651293Abstract: A vertical transistor device includes a vertically oriented channel semiconductor structure, a bottom source/drain (S/D) region, a top source/drain (S/D) region, and a gate structure positioned around the vertically oriented channel semiconductor structure, above the bottom source/drain (S/D) region, and below the top source/drain (S/D) region. The gate structure includes a gate electrode and a gate insulation layer positioned between the gate electrode and at least a portion of the vertically oriented channel semiconductor structure. A top spacer is positioned between the gate electrode and at least a portion of the top source/drain (S/D) region, a bottom spacer is positioned between the gate electrode and at least a portion of the bottom source/drain (S/D) region, and a gate cap is positioned around an outer perimeter surface of the gate structure, wherein the top spacer, the bottom spacer, and the gate cap all include a same insulating material.Type: GrantFiled: December 13, 2017Date of Patent: May 12, 2020Assignee: GLOBALFOUNDRIES Inc.Inventor: John H. Zhang
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Patent number: 10629478Abstract: A method of forming a semiconductor device includes forming a dielectric spacer along sidewalls of a plurality of interconnect openings extending through a sacrificial dielectric layer and a first dielectric layer until a top portion of a first conductive material, the dielectric spacer includes a dielectric material having a dielectric constant higher than a dielectric constant of the sacrificial dielectric layer and higher than a dielectric constant of the first dielectric layer, conformally depositing a barrier liner within the plurality of interconnect openings above and in direct contact with the dielectric spacer, filling the interconnect openings with a second conductive material, removing the sacrificial dielectric layer to expose portions of the dielectric spacer above the first dielectric layer, and reducing a thickness of exposed portions of the dielectric spacer.Type: GrantFiled: August 22, 2017Date of Patent: April 21, 2020Assignee: International Business Machines CorporationInventors: Benjamin D. Briggs, Lawrence A. Clevenger, Huai Huang, Christopher J. Penny, Michael Rizzolo, Hosadurga Shobha
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Patent number: 10629452Abstract: A manufacturing method of a chip package structure is provided. Firstly, a conductive frame including a bottom plate and a plurality of partition plates is provided. The bottom plate has a supporting surface and a bottom surface opposite thereto, and the partition plates protrude from the supporting surface to define a plurality of the accommodating regions. Subsequently, a plurality of chips is provided, and each of the chips is correspondingly accommodated in each of the accommodating regions with a back surface facing to the supporting surface. Thereafter, the conductive frame is cut to form a plurality of separated chip package structures.Type: GrantFiled: March 5, 2018Date of Patent: April 21, 2020Assignees: NIKO SEMICONDUCTOR CO., LTD., SUPER GROUP SEMICONDUCTOR CO., LTD.Inventors: Chih-Cheng Hsieh, Hsiu-Wen Hsu
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Patent number: 10629735Abstract: A semiconductor device and a method for fabricating a semiconductor device involve a semiconductor layer that includes a first material and a second material. The first and second materials can be silicon and germanium. A contact of the device has a portion proximal to the semiconductor layer and a portion distal to the semiconductor layer. The distal portion includes the first material and the second material. A metal layer formed adjacent to the relaxed semiconductor layer and adjacent to the distal portion of the contact is simultaneously reacted with the relaxed semiconductor layer and with the distal portion of the contact to provide metallic contact material.Type: GrantFiled: October 16, 2017Date of Patent: April 21, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Matthew T. Currie, Richard Hammond
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Patent number: 10622320Abstract: A semiconductor package may include a semiconductor chip; a molding portion configured to surround at least a side surface of the semiconductor chip; a passivation layer including a contact plug connected to the semiconductor chip and having a narrowing width further away from the semiconductor chip in a vertical direction, below the semiconductor chip; and a redistribution layer portion electrically connecting the semiconductor chip with an external connection terminal, below the passivation layer.Type: GrantFiled: January 12, 2018Date of Patent: April 14, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-youn Kim, Seok-hyun Lee, Youn-ji Min, Kyoung-lim Suk, Seok-won Lee
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Patent number: 10622458Abstract: Embodiments of the invention are directed to a method and resulting structures for a semiconductor device having self-aligned contacts. In a non-limiting embodiment of the invention, a semiconductor fin is formed vertically extending from a bottom source/drain region of a substrate. A conductive gate is formed over a channel region of the semiconductor fin. A top source/drain region is formed on a surface of the semiconductor fin and a top metallization layer is formed on the top source/drain region. A dielectric cap is formed over the top metallization layer.Type: GrantFiled: May 19, 2017Date of Patent: April 14, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Brent A. Anderson, Steven Bentley, Su Chen Fan, Balasubramanian Pranatharthiharan, Junli Wang, Ruilong Xie
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Patent number: 10615048Abstract: A semiconductor structure and a method for fabricating the semiconductor structure are provided. The method includes providing a substrate including a device region, and forming a functional layer on the substrate. The method also includes forming a plurality of discrete initial core layers on the functional layer. Adjacent initial core layers are spaced apart by a first gap. In addition, the method includes forming a sidewall spacer on a sidewall surface of an initial core layer, and forming a first opening in the functional layer by removing the functional layer at a bottom of the first gap. Moreover, the method includes forming a core layer and a second gap between sidewall spacers by performing a patterning process to remove a portion of the initial core layer. Further, the method includes forming a second opening by removing the functional layer exposed at a bottom of the second gap.Type: GrantFiled: August 30, 2018Date of Patent: April 7, 2020Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventor: Duohui Bei
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Patent number: 10615747Abstract: A vibrator device has a base that has a first terminal, a circuit element that is disposed on the base and has a second terminal, a vibrator that includes a vibrator element and a vibrator element package, and is positioned between the first terminal and the second terminal in plan view of the base, a wiring unit that is disposed on the vibrator, a first wire that electrically connects the first terminal and the wiring unit together, and a second wire that electrically connects the wiring unit and the second terminal together.Type: GrantFiled: March 7, 2018Date of Patent: April 7, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Hisahiro Ito, Tetsuya Otsuki, Mitsuaki Sawada
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Patent number: 10600737Abstract: A non-porous dielectric barrier is provided between a porous portion of a dielectric region and an electrically conductive element of an interconnect portion of an integrated circuit. This non-porous dielectric barrier protects the integrated circuit from breakdown of the least one dielectric region caused by electrical conduction assisted by the presence of defects located in the at least one dielectric region.Type: GrantFiled: October 2, 2017Date of Patent: March 24, 2020Assignee: STMicroelectronics (Rousset) SASInventors: Christian Rivero, Pascal Fornara, Jean-Philippe Escales
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Patent number: 10593641Abstract: A packaging method and a package structure of a fan-out chip are disclosed. The package structure comprises a first chip with bumps and a second chip without bumps, a first dielectric layer formed on a surface of the second chip and through-holes fabricated in the first dielectric layer; a plastic package material; a second dielectric layer; a metal redistribution layer for interconnecting within and between the first chip and the second chip; under bump metallization layers and micro-bumps. By fabricating the dielectric layers with the through-holes on the surfaces of the first chip and the second chip, exposing the bumps of the first chip and metal pads of the second chip and subsequently fabricating the metal redistribution layer, the interconnections within and between the first chip and the second chip are achieved and thereby the integrated package of the first chip and the second chip is achieved.Type: GrantFiled: May 20, 2016Date of Patent: March 17, 2020Assignee: SJ SEMICONDUCTOR (JIANGYIN) CORPORATIONInventors: Yuedong Qiu, Chengchung Lin
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Patent number: 10573633Abstract: A semiconductor device includes a first overlay group and a second overlay group disposed on a semiconductor substrate. The first overlay group includes first lower overlay patterns which extend in a first direction, first upper overlay patterns overlapping the first lower overlay patterns, and first via overlay patterns interposed between the first lower overlay patterns and the first upper overlay patterns. The second overlay group includes second lower overlay patterns which extend in a second direction, second upper overlay patterns overlapping the second lower overlay patterns, and second via overlay patterns interposed between the second lower overlay patterns and the second upper overlay patterns. The second lower overlay patterns include end portions adjacent to and spaced apart from the first overlay group.Type: GrantFiled: December 4, 2017Date of Patent: February 25, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Tae Sun Kim, Hyun Jae Kang, Tae Hoi Park, Jin Seong Lee, Eun Sol Choi, Min Keun Kwak, Byung Kap Kim, Sung Won Choi
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Patent number: 10573791Abstract: Quantum dot polymer composites for on-chip light emitting diode applications are described. In an example, a composite for on-chip light emitting diode application includes a polymer matrix, a plurality of quantum dots dispersed in the polymer matrix, and a base dispersed in the polymer matrix.Type: GrantFiled: September 19, 2017Date of Patent: February 25, 2020Assignee: OSRAM Opto Semiconductors GmbHInventors: Kari N. Haley, Benjamin Daniel Mangum, Weiwen Zhao, Nathan Evan Stott, Juanita N. Kurtin
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Patent number: 10553544Abstract: Package assemblies including a die stack and related methods of use. The package assembly includes a substrate with a first surface, a second surface, and a third surface bordering a through-hole extending from the first surface to the second surface. The assembly further includes a die stack, a conductive layer, and a lid. The die stack includes a chip positioned inside the through-hole in the substrate. A section of the conductive layer is disposed on the third surface of the substrate. A portion of the lid is disposed between the first chip and the section of the conductive layer. The conductive layer is configured to be coupled with power, and the lid is configured to be coupled with ground. The portion of the lid may act as a first plate of a capacitor, and the section of the conductive layer may act as a second plate of the capacitor.Type: GrantFiled: October 27, 2017Date of Patent: February 4, 2020Assignee: International Business Machines CorporationInventors: Mark C. Lamorey, Janak G. Patel, Peter Slota, Jr., David B. Stone
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Patent number: 10553569Abstract: A device includes a semiconductor structure comprising a top package stacked on a bottom package, wherein the bottom package comprises a plurality of bottom package bumps on a bottom surface of the bottom package, a front side contact metal, a molding compound layer and a backside contact metal, and wherein the front side contact metal is between the plurality of bottom package bumps and the molding compound layer and a metal shielding layer on a top surface, sidewalls of the semiconductor structure and portions of a bottom surface of the bottom package, wherein the metal shielding layer is in direct contact with an edge of at least one of the front side contact metal and the backside contact metal.Type: GrantFiled: September 8, 2017Date of Patent: February 4, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hua Yu, Po-Hao Tsai, Jing-Cheng Lin, Li-Hui Cheng
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Patent number: 10529689Abstract: A semiconductor package includes a first interposer, a second interposer, and a gap between the first interposer and the second interposer. The first interposer and the second interposer are coplanar. A first die is mounted on the first interposer and the second interposer. The first die includes first connection elements connecting the first die to the first interposer or the second interposer. A redistribution layer (RDL) structure is disposed on bottom surfaces of the first and second interposers for connecting the first interposer with the second interposer. The RDL structure includes at least one bridge trace traversing the gap to electrically connect the first interposer with the second interposer.Type: GrantFiled: July 26, 2017Date of Patent: January 7, 2020Assignee: Micron Technology, Inc.Inventor: Shing-Yih Shih
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Patent number: 10515873Abstract: According to one embodiment, a stacked body includes a plurality of electrode layers stacked with an insulator interposed. A conductive via pierces the stacked body, and connects an upper layer interconnect and a lower layer interconnect. A insulating film is provided between the via and the stacked body. A distance along a diametral direction of the via between a side surface of the via and an end surface of one of the electrode layers opposing the side surface of the via is greater than a distance along the diametral direction between the side surface of the via and an end surface of the insulator opposing the side surface of the via.Type: GrantFiled: September 7, 2017Date of Patent: December 24, 2019Assignee: Toshiba Memory CorporationInventors: Yasuhito Yoshimizu, Yoshiro Shimojo, Shinya Arai