Metal-insulator-semiconductor (e.g., Mos Capacitor) (epo) Patents (Class 257/E29.345)
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Patent number: 12218257Abstract: A capacitor structure, including a transistor structure, a first metal conductive structure and a second metal conductive structure, is provided. The transistor structure includes a first ladder-shaped frame of a polycrystalline silicon layer and multiple first metal strips of a first metal layer. The first ladder-shaped frame is electrically isolated from the multiple first metal strips, and encircles a part of the multiple first metal strips. The first ladder-shaped frame forms a gate of the transistor structure. The multiple first metal strips form a drain and a source of the transistor structure. The first metal conductive structure is substantially overlapped with the first ladder-shaped frame. The second metal conductive structure is electrically connected to the multiple first metal strips, in which the second metal conductive structure is disposed across and electrically isolated from the first ladder-shaped frame and the first metal conductive structure.Type: GrantFiled: October 26, 2021Date of Patent: February 4, 2025Assignee: Realtek Semiconductor CorporationInventor: Jian Liu
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Patent number: 12211891Abstract: There is provided a semiconductor device capable of improving performance and reliability of a device, by adjusting the arrangement of penetration patterns included in an electrode support for supporting the lower electrode. The semiconductor device includes a plurality of lower electrodes that are aligned with each other on a substrate along a first direction and a second direction different from the first direction, and a first electrode support that supports the lower electrodes, and includes a plurality of first penetration patterns, wherein the first electrode support includes a center region, and an edge region defined along a periphery of the center region, wherein the first penetration patterns include center penetration patterns that are spaced apart by a first interval in the center region, and wherein the first penetration patterns include edge penetration patterns that are spaced apart by a second interval different from the first interval in the edge region.Type: GrantFiled: July 18, 2022Date of Patent: January 28, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Cheol Ju Yun, Youn Seon Kang, Eun Shoo Han
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Patent number: 12213299Abstract: A DRAM including following components is provided. A bit line stack structure includes a bit line structure and a hard mask layer. The bit line structure is located on the substrate. The hard mask layer is located on the bit line structure. A dielectric layer is located on the bit line stack structure and has an opening. A contact structure is located on the substrate and includes an active region contact and a capacitor contact. The active region contact is located on the substrate. The top surface of the active region contact is exposed by the opening. The capacitor contact is located in the opening over the active region contact. An isolation layer is located between the hard mask layer and the dielectric layer and between the capacitor contact and the bit line stack structure. An etch stop layer is located between the dielectric layer and the isolation layer.Type: GrantFiled: March 14, 2023Date of Patent: January 28, 2025Assignee: Winbond Electronics Corp.Inventor: Shu-Mei Lee
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Patent number: 12159827Abstract: A semiconductor device includes an active region over a substrate extending along a first lateral direction. The semiconductor device includes a number of first conductive structures operatively coupled to the active region. The first conductive structures extend along a second lateral direction. The semiconductor device includes a number of second conductive structures disposed above the plurality of first conductive structures. The second conductive structures extend along the first lateral direction. The semiconductor device includes a first capacitor having a first electrode and a second electrode. The first electrode includes one of the first conductive structures and the active region, and the second electrode includes a first one of the second conductive structures. Each of the active region and the first conductive structures is electrically coupled to a power rail structure configured to carry a supply voltage.Type: GrantFiled: August 9, 2023Date of Patent: December 3, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMANY, LTD.Inventors: Chung-Ting Lu, Chih-Chiang Chang, Chung-Chieh Yang, Yung-Chow Peng
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Patent number: 12156400Abstract: A semiconductor integrated circuit device includes a standard cell on a substrate, an one time programmable (OTP) memory structure at an edge portion of the standard cell, and a program transistor outside of the standard cell at a position adjacent to the edge portion of the standard cell at which the OTP memory structure is provided, the program transistor being electrically connected to the OTP memory structure. The OTP memory structure includes a first anti-fuse and a second anti-fuse. When a program voltage is applied to the program transistor and a bias power voltage is applied to the OTP memory structure, each of the first anti-fuse and the second anti-fuse becomes shorted and the bias power voltage is provided to the standard cell.Type: GrantFiled: May 10, 2022Date of Patent: November 26, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hoonsung Choi, Jiyoung Yun
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Patent number: 12132082Abstract: A semiconductor device according to the present disclosure includes a substrate including a plurality of atomic steps that propagate along a first direction, and a transistor disposed on the substrate. The transistor includes a channel member extending a second direction perpendicular to the first direction, and a gate structure wrapping around the channel member.Type: GrantFiled: July 22, 2022Date of Patent: October 29, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Pei-Wei Lee, Yasutoshi Okuno, Pang-Yen Tsai
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Patent number: 12087574Abstract: A method for processing a substrate is described. A first reactant in vapor phase is introduced into a reaction chamber having the substrate therein. The first reactant is allowed to be adsorb onto the substrate surface. The non-reactive portion of the first reactant is purged from the reaction chamber after a flow of the first reactant has ceased. The second reactant is introduced in vapor phase into the reaction chamber while the first reactant is adsorbed onto the substrate surface. The second reactant comprises a 1:1:1 ratio of dihydrogen (H2), a nitro-gen-containing reactant, and an oxygen-containing reactant. A plasma is ignited based on the second reactant. The substrate surface is exposed to the plasma. The plasma is extinguished. Gas from the reaction chamber is purged.Type: GrantFiled: June 27, 2019Date of Patent: September 10, 2024Assignee: Lam Research CorporationInventors: Douglas Walter Agnew, Joseph R. Abel, Bart Jan van Schravendijk
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Patent number: 12080329Abstract: A semiconductor structure includes an electrode, a ferroelectric material adjacent the electrode, the ferroelectric material comprising an oxide of at least one of hafnium and zirconium, the ferroelectric material doped with bismuth, and another electrode adjacent the ferroelectric material on an opposite side thereof from the first electrode. Related semiconductor structures, memory cells, semiconductor devices, electronic systems, and related methods are disclosed.Type: GrantFiled: July 12, 2022Date of Patent: September 3, 2024Assignee: Micron Technology, Inc.Inventors: Albert Liao, Wayne I. Kinney, Yi Fang Lee, Manzar Siddik
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Patent number: 12075611Abstract: A semiconductor memory includes a bit line extending in a first direction, first and second active patterns, which are alternately disposed in the first direction and on the bit line, and each of which includes a horizontal portion and a vertical portion, first word lines disposed on the horizontal portions of the first active patterns to cross the bit line, second word lines disposed on the horizontal portions of the second active patterns to cross the bit line, and an intermediate structure provided in a first gap region between the first and second word lines or in a second gap region between the vertical portions of the first and second active patterns. The first and second active patterns, which are adjacent to each other, may be disposed to be symmetric with respect to each other.Type: GrantFiled: September 22, 2021Date of Patent: August 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wonsok Lee, Min Tae Ryu, Woo Bin Song, Kiseok Lee, Minsu Lee, Min Hee Cho
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Patent number: 12068271Abstract: A semiconductor device structure, along with methods of forming such, are described. The structure includes a substrate having one or more devices formed thereon, one or more bonding pads disposed over the substrate, and a first passivation layer disposed over the one or more bonding pads. The first passivation layer includes a first passivation sublayer having a first dielectric material, a second passivation sublayer disposed over the first passivation sublayer, and the second passivation sublayer has a second dielectric material different from the first dielectric material. The first passivation layer further includes a third passivation sublayer disposed over the second passivation sublayer, and the third passivation sublayer has a third dielectric material different from the second dielectric material. At least two of the first, second, and third passivation sublayers each includes a nitride.Type: GrantFiled: July 23, 2023Date of Patent: August 20, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hsin-Chi Chen, Hsun-Ying Huang, Chih-Ming Lee, Shang-Yen Wu, Chih-An Yang, Hung-Wei Ho, Chao-Ching Chang, Tsung-Wei Huang
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Patent number: 12062577Abstract: A method for fabricating a semiconductor device includes forming a bit line contact hole in a substrate; forming a first spacer on a sidewall of the bit line contact hole; forming a sacrificial spacer over the first spacer; forming a first conductive material that fills the bit line contact hole over the sacrificial spacer; forming a second conductive material over the first conductive material; forming a bit line by etching the second conductive material; and forming a bit line contact plug and a gap between the bit line contact plug and the first spacer by partially etching the first conductive material and the sacrificial spacer to be aligned with the bit line.Type: GrantFiled: August 1, 2022Date of Patent: August 13, 2024Assignee: SK hynix Inc.Inventors: Jae Man Yoon, Dae Ik Kim, Hong Kyun Lee
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Patent number: 12062717Abstract: A trench power MOSFET includes a body region disposed on a semiconductor substrate, a trench passing through the body region, an top electrode and a bottom electrode spaced apart from each other in a vertical direction in the trench, an inter-electrode dielectric layer disposed between the top electrode and the bottom electrode, and a plurality of dielectric layers, disposed between a sidewall of the trench and the bottom electrode, comprising a first oxide layer disposed on the sidewall of the trench, an barrier layer disposed on the first oxide layer, and a second oxide layer disposed on the barrier layer. The barrier layer is formed of a material different from materials of the first and second oxide layers.Type: GrantFiled: November 4, 2021Date of Patent: August 13, 2024Assignee: SK keyfoundry Inc.Inventor: Hyun Kwang Shin
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Patent number: 12029043Abstract: A device includes, in a first region, a first conductive interconnect, an electrode structure on the first conductive interconnect, where the electrode structure includes a first conductive hydrogen barrier layer and a first conductive fill material. A trench capacitor including a ferroelectric material or a paraelectric material is on the electrode structure. A second dielectric includes an amorphous, greater than 90% film density hydrogen barrier material laterally surrounds the memory device. A via electrode including a second conductive hydrogen barrier material is on at least a portion of the memory device. A second region includes a conductive interconnect structure embedded within a less than 90% film density dielectric material.Type: GrantFiled: December 15, 2021Date of Patent: July 2, 2024Assignee: KEPLER COMPUTING INC.Inventors: Somilkumar J. Rathi, Noriyuki Sato, Niloy Mukherjee, Rajeev Kumar Dokania, Amrita Mathuriya, Tanay Gosavi, Pratyush Pandey, Jason Y. Wu, Sasikanth Manipatruni
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Patent number: 11984400Abstract: An SRAM device and method of forming include pass gate (PG), pull-down (PD), and pull-up (PU) transistors. A first gate line of the PG and a second gate line of the PD and the PU extend in a first direction. A common source/drain of the PG, PD, and PU transistors interposes the first and second gate lines and another source/drain of the PG transistor. A first contact extends from the common source/drain and a second contact extends from the another source/drain. A third contact is disposed above the second contact with a first width in the first direction and a first length in a second direction, first length being greater than the first width.Type: GrantFiled: June 7, 2021Date of Patent: May 14, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chao-Yuan Chang, Jui-Lin Chen, Kian-Long Lim, Feng-Ming Chang
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Patent number: 11968828Abstract: A semiconductor device is provided. The semiconductor device includes a semiconductor substrate and a first gate stack. An isolation feature is formed in the semiconductor substrate, and a cell region and a peripheral region adjacent to the cell region are defined in the semiconductor substrate. The first gate stack is disposed on the peripheral region of the semiconductor substrate. The first gate stack includes a first dielectric layer and a gate electrode layer disposed on the first dielectric layer and covering a top surface of the first dielectric layer. The first dielectric layer is disposed on the semiconductor substrate and has a concave profile.Type: GrantFiled: July 9, 2019Date of Patent: April 23, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Meng-Han Lin, Wen-Tuo Huang, Yong-Shiuan Tsair
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Patent number: 11955512Abstract: A device includes, in a first region, a first conductive interconnect, an electrode structure on the first conductive interconnect, where the electrode structure includes a first conductive hydrogen barrier layer and a first conductive fill material. A trench capacitor including a ferroelectric material or a paraelectric material is on the electrode structure. A second dielectric includes an amorphous, greater than 90% film density hydrogen barrier material laterally surrounds the memory device. A via electrode including a second conductive hydrogen barrier material is on at least a portion of the memory device. A second region includes a conductive interconnect structure embedded within a less than 90% film density dielectric material.Type: GrantFiled: December 15, 2021Date of Patent: April 9, 2024Assignee: Kepler Computing Inc.Inventors: Somilkumar J. Rathi, Noriyuki Sato, Niloy Mukherjee, Rajeev Kumar Dokania, Amrita Mathuriya, Tanay Gosavi, Pratyush Pandey, Jason Y. Wu, Sasikanth Manipatruni
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Patent number: 11942402Abstract: An isolator device includes a laminate die having a dielectric laminate material with a metal laminate layer on one side of the dielectric laminate material, the metal laminate layer being a patterned layer providing at least a first plate, including a dielectric layer over the first plate that includes an aperture exposing a portion of the first plate. An integrated circuit (IC) including a substrate having a semiconductor surface includes circuitry including a transmitter and/or a receiver, the IC including a top metal layer providing at least a second plate coupled to a node in the circuitry, with at least one passivation layer on the top metal layer. A non-conductive die attach (NCDA) material for attaching a side of the dielectric laminate material is opposite the metal laminate layer to the IC so that the first plate is at least partially over the second plate to provide a capacitor.Type: GrantFiled: February 23, 2022Date of Patent: March 26, 2024Assignee: Texas Instruments IncorporatedInventor: Thomas Dyer Bonifield
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Patent number: 11943908Abstract: Systems and methods are provided for forming an intra-connection structure. A first gate structure and a first source/drain region adjacent to the first gate structure is formed on a substrate. A first dielectric material is disposed on the first source/drain region. A spacer material is formed on the first gate structure. The first dielectric material is removed to expose at least part of the first source/drain region. At least part of the spacer material is removed to expose at least part of the first gate structure. A first conductive material is formed between the first gate structure and the first source/drain region to electrically connect the first source/drain region and the first gate structure.Type: GrantFiled: November 9, 2020Date of Patent: March 26, 2024Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Feng-Ming Chang, Kuo-Hsiu Hsu
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Patent number: 11909383Abstract: The invention relates to an electrical circuit (1) for transmitting a useful analogue signal, which has a signal transmission path (16) with an input path (2) and an output path (3) and at least one switch (6), with which the useful signal which is carried on the input path (2) can be connected through to the output path (3) or the signal transmission path (16) can be interrupted. According to the invention, a compensation circuit (4) which substantially compensates for a distortion of the useful analogue useful signal generated by the at least one switch (6) when it is switched off (OFF) is provided, wherein the compensation circuit (4) is connected to a control terminal (G) of the at least one switch (6) and comprises at least one non-linear capacitance.Type: GrantFiled: June 18, 2020Date of Patent: February 20, 2024Inventor: Thomas Meier
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Patent number: 11907636Abstract: A method of generating an IC layout diagram includes receiving a first gate resistance value of a gate region in an IC layout diagram, the first gate resistance value corresponding to a location of a gate via positioned within an active region and along a width of the gate region extending across the active region, determining a second gate resistance value based on the location and the width, using the first and second resistance values to determine that the IC layout diagram does not comply with a design specification, and based on the non-compliance with the design specification, modifying the IC layout diagram.Type: GrantFiled: July 8, 2022Date of Patent: February 20, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ke-Ying Su, Jon-Hsu Ho, Ke-Wei Su, Liang-Yi Chen, Wen-Hsing Hsieh, Wen-Koi Lai, Keng-Hua Kuo, Kuopei Lu, Lester Chang, Ze-Ming Wu
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Patent number: 11901463Abstract: A method includes implanting a first dopant having a first dopant type into a substrate to define a plurality of source/drain (S/D) regions. The method further includes implanting a second dopant having the first dopant type into the substrate to define a channel region between adjacent S/D regions of the plurality of S/D regions, wherein a dopant concentration of the second dopant in the channel region is less than half of a dopant concentration of the first dopant in each of the plurality of S/D regions. The method further includes forming a gate stack over the channel region. The method further includes electrically coupling each of the plurality of S/D regions together.Type: GrantFiled: June 27, 2022Date of Patent: February 13, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Szu-Lin Liu, Jaw-Juinn Horng
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Patent number: 11903179Abstract: The present disclosure provides a method of manufacturing a semiconductor structure. The method includes providing a semiconductor substrate including an active region and an isolation structure. The method also includes forming a contact structure on the active region of the semiconductor substrate. The method further includes forming a dielectric spacer on opposite sides of the contact structure. The method also includes forming a conductive element on the isolation structure of the semiconductor substrate, wherein the dielectric spacer has a concave surface facing the conductive element.Type: GrantFiled: April 19, 2022Date of Patent: February 13, 2024Assignee: NANYA TECHNOLOGY CORPORATIONInventors: Chih-Ying Tsai, Jui-Seng Wang, Yi-Yi Chen
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Patent number: 11901462Abstract: An integrated circuit includes an SOI substrate having a semiconductor layer over a buried insulator layer; the semiconductor layer contains white space regions that include a PWELL region. An electronic device includes an NWELL region in the semiconductor layer, a dielectric over the NWELL region, and a polysilicon plate over the dielectric. A sacrificial NWELL ring is adjacent to and separated from the NWELL region by a first gap.Type: GrantFiled: February 5, 2022Date of Patent: February 13, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Honglin Guo, Zachary K Lee, Jingjing Chen
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Patent number: 11895825Abstract: A semiconductor device includes an insulating base including a trench, a transistor including a gate electrode and vertical channel in the trench, and a source electrode in the insulating base outside the trench, an isolation layer on the gate electrode in the trench, and a capacitor including a trench capacitor portion that is on the isolation layer in the trench, and a stacked capacitor portion that is coupled to the source electrode of the transistor outside the trench.Type: GrantFiled: September 24, 2021Date of Patent: February 6, 2024Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Yun-Feng Kao, Katherine H. Chiang
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Patent number: 11869950Abstract: A steep-slope field-effect transistor and a fabrication method thereof are disclosed. The steep-slope field-effect transistor according to an embodiment of the inventive concept includes a source, a channel region, and a drain formed on a substrate; a gate insulating film formed on an upper portion of the channel region; a floating gate formed on an upper portion of the gate insulating film; a transition layer formed on an upper portion of the floating gate; and a control gate formed on an upper portion of the transition layer. The steep-slope field-effect transistor applies a reference potential or more to the control gate to discharge or bring in at least one charge stored in the floating gate.Type: GrantFiled: July 29, 2021Date of Patent: January 9, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Yang-Kyu Choi, Myung-Su Kim
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Patent number: 11869951Abstract: Various embodiments of the present application are directed towards a control gate layout to improve an etch process window for word lines. In some embodiments, an integrated chip comprises a memory array, an erase gate, a word line, and a control gate. The memory array comprises a plurality of cells in a plurality of rows and a plurality of columns. The erase gate and the word line are elongated in parallel along a row of the memory array. The control gate is elongated along the row and is between and borders the erase gate and the word line. Further, the control gate has a pad region protruding towards the erase gate and the word line. Because the pad region protrudes towards the erase gate and the word line, a width of the pad region is spread between word-line and erase-gate sides of the control gate.Type: GrantFiled: August 31, 2021Date of Patent: January 9, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Ling Hsu, Ping-Cheng Li, Hung-Ling Shih, Po-Wei Liu, Wen-Tuo Huang, Yong-Shiuan Tsair, Chia-Sheng Lin, Shih Kuang Yang
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Patent number: 11855361Abstract: A method for fabricating a semiconductor die is provided. The method can include providing a semiconductor substrate, forming a set of field-effect transistors on the semiconductor substrate, each field-effect transistor in the set of field-effect transistors having a respective source, drain, gate, and body, forming a compensation circuit on the semiconductor substrate, and connecting the compensation circuit to the set of field-effect transistors in parallel, the compensation circuit configured to compensate a non-linearity effect generated by the set of field-effect transistors.Type: GrantFiled: December 6, 2021Date of Patent: December 26, 2023Assignee: Skyworks Solutions, Inc.Inventors: Zhiyang Liu, Nuttapong Srirattana
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Patent number: 11854938Abstract: The present disclosure provides an electrostatic protection device and an electrostatic protection circuit. The electrostatic protection device includes: a discharge transistor, located on a substrate for discharging electrostatic charges; and a first pad, located on a first metal layer and electrically connected to a drain region of the discharge transistor; wherein a projection of the first pad on the substrate partially overlaps a projection of the drain region on the substrate.Type: GrantFiled: November 2, 2021Date of Patent: December 26, 2023Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventors: Xin Li, Zhan Ying
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BCD device layout area defined by a deep trench isolation structure and methods for forming the same
Patent number: 11855071Abstract: Devices and methods of manufacture for a deep trench layout area-saving semiconductor structure for use with bipolar-CMOS-DMOS (BCD) devices. A semiconductor device may comprise a first BCD device formed within a first perimeter of a first BCD layout area, and a deep trench isolation structure defining the first perimeter of the first BCD layout area, in which the deep trench isolation structure may comprise a first rounded corner that may define a first corner of the first BCD layout area. A semiconductor device may comprise, a substrate, BCD device formed on the substrate, and a deep trench isolation structure laterally surrounding the BCD device. The deep trench isolation structure, with respect to a top-down view, may comprise vertical portions, horizontal portions, a “T”-shaped intersection connecting at least one vertical portion and at least one horizontal portion, and a cross-shaped intersection connecting two vertical portions and two horizontal portions.Type: GrantFiled: September 21, 2021Date of Patent: December 26, 2023Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Tsung-Yu Yang, Po-Wei Liu -
Patent number: 11763870Abstract: Apparatuses, systems, and methods for ferroelectric memory (FeRAM) cell operation. An FeRAM cell may have different charge regions it can operate across. Some regions, such as dielectric regions, may operate faster, but with reduced signal on a coupled digit line. To improve the performance while maintaining increased speed, two digit lines may be coupled to the same sense amplifier, so that the FeRAM cells coupled to both digit lines contribute signal to the sense amplifier. For example a first digit line in a first deck of the memory and a second digit line in a second deck of the memory may both be coupled to the sense amplifier. In some embodiments, additional digit lines may be used as shields (e.g., by coupling the shield digit lines to a ground voltage) to further improve the signal-to-noise ratio.Type: GrantFiled: April 29, 2022Date of Patent: September 19, 2023Assignee: Micron Technology, Inc.Inventor: Daniele Vimercati
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Patent number: 11764221Abstract: A semiconductor device and method of manufacture are provided. In embodiments a dielectric fin is formed in order to help isolate adjacent semiconductor fins. The dielectric fin is formed using a deposition process in which deposition times and temperatures are utilized to increase the resistance of the dielectric fin to subsequent etching processes.Type: GrantFiled: January 25, 2021Date of Patent: September 19, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Wan-Yi Kao, Hung Cheng Lin, Chunyao Wang, Yung-Cheng Lu, Chi On Chui
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Patent number: 11756913Abstract: A semiconductor device structure, along with methods of forming such, are described. The structure includes a substrate having one or more devices formed thereon, one or more bonding pads disposed over the substrate, and a first passivation layer disposed over the one or more bonding pads. The first passivation layer includes a first passivation sublayer having a first dielectric material, a second passivation sublayer disposed over the first passivation sublayer, and the second passivation sublayer has a second dielectric material different from the first dielectric material. The first passivation layer further includes a third passivation sublayer disposed over the second passivation sublayer, and the third passivation sublayer has a third dielectric material different from the second dielectric material. At least two of the first, second, and third passivation sublayers each includes a nitride.Type: GrantFiled: June 15, 2022Date of Patent: September 12, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hsin-Chi Chen, Hsun-Ying Huang, Chih-Ming Lee, Shang-Yen Wu, Chih-An Yang, Hung-Wei Ho, Chao-Ching Chang, Tsung-Wei Huang
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Patent number: 11742039Abstract: A small-area side-capacitor read-only memory device, a memory array and a method for operating the same are provided. The small-area side-capacitor read-only memory device embeds a field-effect transistor in a semiconductor substrate. The field-effect transistor includes a first dielectric layer and a first conductive gate stacked on the first dielectric layer. The side of the first conductive gate extends to the top of the second dielectric layer and connects to the second conductive gate to generate a capacitance effect. The second conductive gate has finger portions connected to a strip portion. Thus, the memory device employs the smallest layout area to generate the highest capacitance value, thereby decreasing the overall area of the read-only memory and performing efficient reading and writing.Type: GrantFiled: March 18, 2022Date of Patent: August 29, 2023Assignee: Yield Microelectronics Corp.Inventors: Yu Ting Huang, Chi Pei Wu
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Patent number: 11737268Abstract: The present disclosure provides a stack capacitor, a flash memory device, and a manufacturing method thereof. The stack capacitor of the flash memory device has a a memory transistor structure which at least comprises a substrate, and a tunneling oxide layer, a floating gate layer, an interlayer dielectric layer and a control gate layer which are sequentially stacked on the substrate, the interlayer dielectric layer of the stack capacitor comprises a first oxide layer and a nitride layer; the stack capacitor further comprises a first contact leading out of the control gate layer and a second contact leading out of the floating gate layer. The capacitance per unit area of the stack capacitor provided by the disclosure is effectively improved, and the size of the transistor device is reduced. The manufacturing method according to the disclosure does not add any additional photomask than a conventional process flow.Type: GrantFiled: July 25, 2022Date of Patent: August 22, 2023Assignee: Shanghai Huali Integrated Circuit CorporationInventors: Zhi Tian, Juanjuan Li, Hua Shao, Haoyu Chen
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Patent number: 11721699Abstract: A semiconductor device and method of manufacture are provided. In embodiments a dielectric fin is formed in order to help isolate adjacent semiconductor fins. The dielectric fin is formed using a deposition process in which deposition times and temperatures are utilized to increase the resistance of the dielectric fin to subsequent etching processes.Type: GrantFiled: January 25, 2021Date of Patent: August 8, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Wan-Yi Kao, Hung Cheng Lin, Chunyao Wang, Yung-Cheng Lu, Chi On Chui
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Patent number: 11682675Abstract: A method of forming a semiconductor device includes: forming a gate structure over a fin that protrudes above a substrate, the gate structure being surrounded by a first interlayer dielectric (ILD) layer; forming a trench in the first ILD layer adjacent to the fin; filling the trench with a first dummy material; forming a second ILD layer over the first ILD layer and the first dummy material; forming an opening in the first ILD layer and the second ILD layer, the opening exposing a sidewall of the first dummy material; lining sidewalls of the opening with a second dummy material; after the lining, forming a conductive material in the opening; after forming the conductive material, removing the first and the second dummy materials from the trench and the opening, respectively; and after the removing, sealing the opening and the trench by forming a dielectric layer over the second ILD layer.Type: GrantFiled: May 20, 2021Date of Patent: June 20, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Kai-Hsuan Lee, Sai-Hooi Yeong, Chi On Chui
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Patent number: 11659709Abstract: A nonvolatile memory device is provided. The nonvolatile memory device comprises an active region surrounded by an isolation structure. A floating gate may be arranged over the active region, the floating gate having a first end and a second end over the isolation structure. A first doped region may be provided in the active region adjacent to a first side of the floating gate and a second doped region may be provided in the active region adjacent to a second side of the floating gate. A first capacitor may be provided over the floating gate, whereby a first electrode of the first capacitor is electrically coupled to the floating gate. A second capacitor may be provided, whereby a first electrode of the second capacitor is over the isolation structure and adjacent to the floating gate.Type: GrantFiled: August 21, 2020Date of Patent: May 23, 2023Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.Inventors: Xinshu Cai, Shyue Seng Tan, Juan Boon Tan, Kiok Boone Elgin Quek, Eng Huat Toh
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Patent number: 11641731Abstract: A DRAM including following components is provided. A bit line stack structure includes a bit line structure and a hard mask layer. The bit line structure is located on the substrate. The hard mask layer is located on the bit line structure. A dielectric layer is located on the bit line stack structure and has an opening. A contact structure is located on the substrate and includes an active region contact and a capacitor contact. The active region contact is located on the substrate. The top surface of the active region contact is exposed by the opening. The capacitor contact is located in the opening over the active region contact. An isolation layer is located between the hard mask layer and the dielectric layer and between the capacitor contact and the bit line stack structure. An etch stop layer is located between the dielectric layer and the isolation layer.Type: GrantFiled: June 6, 2021Date of Patent: May 2, 2023Assignee: Winbond Electronics Corp.Inventor: Shu-Mei Lee
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Patent number: 11638375Abstract: The present disclosure provides a method for preparing a semiconductor memory device with air gaps for reducing capacitive coupling between a bit line and an adjacent conductive feature. The method includes forming an isolation member defining an active region in a substrate and a doped area in the active region; forming a gate structure in the substrate, wherein the gate structure divides the doped are into a first doped region and a second doped region; forming a bit line structure on the first doped region; forming an air gap adjacent to the bit line structure; forming a capacitor plug on the second doped region and a barrier layer on a sidewall of the capacitor plug; and forming a landing pad on a top portion of the capacitor plug, wherein the landing pad comprises a first silicide layer over the protruding portion and a second silicide layer on a sidewall of the barrier layer.Type: GrantFiled: December 14, 2021Date of Patent: April 25, 2023Assignee: NANYA TECHNOLOGY CORPORATIONInventor: Kuo-Hui Su
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Patent number: 11626407Abstract: A method for manufacturing a dynamic random access memory device includes providing a semiconductor substrate and forming a highly doped diffusion region in a surface of the semiconductor substrate. A wordline structure is then deposited on the surface of the semiconductor substrate, where the wordline structure includes an electrically conductive gate layer. An opening is further formed in the wordline structure, where the opening is located at a first end of and extending to the highly doped diffusion region. A semiconductor pillar is then formed in the opening by selective epitaxial growth. An end of the semiconductor pillar is then doped and the doped end is connected with a memory element.Type: GrantFiled: March 7, 2022Date of Patent: April 11, 2023Assignee: Integrated Silicon Solution, (Cayman) Inc.Inventors: Andrew J. Walker, Dafna Beery, Peter Cuevas, Amitay Levi
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Patent number: 11569393Abstract: Embodiments are provided herein for low loss coupling capacitor structures. The embodiments include a n-type varactor (NVAR) configuration and p-type varactor (PVAR) configuration. The structure in the NVAR configuration comprises a p-doped semiconductor substrate (Psub), a deep n-doped semiconductor well (DNW) in the Psub, and a p-doped semiconductor well (P well) in the DNW. The circuit structure further comprises a source terminal of a p-doped semiconductor material within P well, and a drain terminal of the p-doped semiconductor material within the P well. Additionally, the circuit structure comprises an insulated gate on the surface of the P well, a metal pattern comprising a plurality of layers of metal lines, and a plurality of vias through the metal lines. The vias are contacts connecting the metal lines to the gate, the source terminal, and the drain terminal.Type: GrantFiled: March 9, 2020Date of Patent: January 31, 2023Assignee: Futurewei Technologies, Inc.Inventors: Brian Creed, Lawrence E. Connell, Kent Jaeger, Matthew Richard Miller
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Patent number: 11557660Abstract: A mask layer is formed over a semiconductor device. The semiconductor device includes: a gate structure, a first layer disposed over the gate structure, and an interlayer dielectric (ILD) disposed on sidewalls of the first layer. The mask layer includes an opening that exposes a portion of the first layer and a portion of the ILD. A first etching process is performed to etch the opening partially into the first layer and partially into the ILD. A liner layer is formed in the opening after the first etching process has been performed. A second etching process is performed after the liner layer has been formed. The second etching process extends the opening downwardly through the first layer and through the gate structure. The opening is filled with a second layer after the second etching process has been performed.Type: GrantFiled: March 8, 2021Date of Patent: January 17, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Zhi-Chang Lin, Wei-Hao Wu, Jia-Ni Yu, Huan-Chieh Su, Ting-Hung Hsu, Chih-Hao Wang
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Patent number: 11515434Abstract: A semiconductor device includes a substrate and a plurality of source/drain (S/D) regions in the substrate, wherein each of the plurality of S/D regions includes a first dopant having a first dopant type, and the each of the plurality of S/D regions are electrically coupled together. The semiconductor device further includes a gate stack over the substrate. The semiconductor device further includes a channel region in the substrate, wherein the channel region is below the gate stack and between adjacent S/D regions of the plurality of S/D regions, the channel region includes a second dopant having the first dopant type, and a concentration of the second dopant in the channel region is less than a concentration of the first dopant in each of the plurality of S/D regions.Type: GrantFiled: September 17, 2019Date of Patent: November 29, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Szu-Lin Liu, Jaw-Juinn Horng
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Patent number: 11502077Abstract: Semiconductor devices and manufacturing and design methods thereof are disclosed. In one embodiment, a semiconductor device includes an active FinFET disposed over a workpiece comprising a first semiconductive material, the active FinFET comprising a first fin. An electrically inactive FinFET structure is disposed over the workpiece proximate the active FinFET, the electrically inactive FinFET comprising a second fin. A second semiconductive material is disposed between the first fin and the second fin.Type: GrantFiled: December 14, 2020Date of Patent: November 15, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANYInventors: Tung Ying Lee, Wen-Huei Guo, Chih-Hao Chang, Shou-Zen Chang
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Patent number: 11444087Abstract: The present disclosure provides a semiconductor memory device with air gaps for reducing capacitive coupling between a bit line and an adjacent conductive feature and a method for preparing the semiconductor memory device.Type: GrantFiled: April 24, 2020Date of Patent: September 13, 2022Assignee: NANYA TECHNOLOGY CORPORATIONInventor: Kuo-Hui Su
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Patent number: 11437282Abstract: A method for fabricating a semiconductor device includes forming a bit line contact hole in a substrate; forming a first spacer on a sidewall of the bit line contact hole; forming a sacrificial spacer over the first spacer; forming a first conductive material that fills the bit line contact hole over the sacrificial spacer; forming a second conductive material over the first conductive material; forming a bit line by etching the second conductive material; and forming a bit line contact plug and a gap between the bit line contact plug and the first spacer by partially etching the first conductive material and the sacrificial spacer to be aligned with the bit line.Type: GrantFiled: January 20, 2021Date of Patent: September 6, 2022Assignee: SK hynix Inc.Inventors: Jae Man Yoon, Dae Ik Kim, Hong Kyun Lee
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Patent number: 11437406Abstract: A semiconductor device may be provided, including a substrate which includes a first semiconductor layer having a well region arranged within the first semiconductor layer, a buried insulator layer arranged over the first semiconductor layer, and a second semiconductor layer arranged over the buried insulator layer. The semiconductor device may include a capacitive structure including: the well region, at least one contact to the well region, at least a portion of the buried insulator layer over the well region, at least a portion of the second semiconductor layer, a source region and a drain region arranged over the second semiconductor layer, a gate dielectric layer arranged over the second semiconductor layer and arranged laterally between the source region and the drain region, and a gate layer arranged over the gate dielectric layer. The well region, the source region, and the drain region may have the same conductivity type.Type: GrantFiled: December 20, 2019Date of Patent: September 6, 2022Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.Inventors: Phyllis Shi Ya Lim, Handoko Linewih, Shu Zhong, Chor Shu Cheng
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Patent number: 11398392Abstract: An integrated circuit (IC) device includes a lower electrode including a main portion having a sidewall with at least one step portion, and a top portion having a width less than that of the main portion in a lateral direction. An upper support pattern contacts the top portion of the lower electrode. The upper support pattern includes a seam portion. To manufacture an IC device, a mold pattern and an upper sacrificial support pattern through which a plurality of holes pass are formed on a substrate. A plurality of lower electrodes are formed inside the plurality of holes. A peripheral space is formed on the mold pattern. An enlarged peripheral space is formed by reducing a width and a height of the top portion. An upper support pattern is formed to fill the enlarged peripheral space.Type: GrantFiled: May 24, 2020Date of Patent: July 26, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoungdeog Choi, Dongyoung Kim
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Patent number: 11329130Abstract: An IGBT chip having a mixed gate structure includes a plurality of mixed gate units. Each of the mixed gate units includes a source region (3) and a gate region. The gate region includes a planar gate region (1) and a trench gate region (2), which are respectively disposed at both sides of the source region (3). A planar gate and a trench gate are compositely disposed on the same cell (16), thereby greatly improving chip density while retaining both trench gate's features of low on-state energy loss and high current density and planar gate's feature of wide safe operating area.Type: GrantFiled: September 18, 2018Date of Patent: May 10, 2022Assignee: ZHUZHOU CRRC TIMES ELECTRIC CO., LTDInventors: Guoyou Liu, Chunlin Zhu, Liheng Zhu
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Patent number: 10320211Abstract: In regard to a hearing aid and a hearing aid charging system, frequent replacement of a battery is avoided even if power consumption is large, and the structure is simplified and waterproofness is improved. A Hearing aid includes a secondary battery having a nominal voltage higher than a nominal voltage of an air battery, a driving component driven by power supplied from the secondary battery, and a transformation unit configured to output the charging power of the secondary battery at a voltage suitable for driving the driving component.Type: GrantFiled: September 29, 2014Date of Patent: June 11, 2019Assignee: NITTO DENKO CORPORATIONInventors: Takezo Hatanaka, Hisashi Tsuda