Patents Examined by John A Bodnar
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Patent number: 12653018Abstract: A microelectronic device comprises a stack structure, a staircase structure, a first liner material, a liner structure, conductive contact structures, and barrier structures. The stack structure comprises vertically alternating conductive structures and insulative structures arranged in tiers. Each of the tiers individually comprises one of the conductive structures and one of the insulative structures. The staircase structure has steps comprising edges of at least some of the tiers of the stack structure. The first liner material is on the steps of the staircase structure, and the liner structure on the first liner material. The conductive contact structures extend through the first liner material and the liner structure and to the conductive structures of the stack structure. The barrier structures are between the conductive contact structures and the liner structure and vertically span substantially the same tiers of the stack structure as the liner structure.Type: GrantFiled: September 30, 2022Date of Patent: June 9, 2026Assignee: Micron Technology, Inc.Inventors: Collin Howder, Yiping Wang
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Patent number: 12648227Abstract: A semiconductor structure includes a substrate; a well region disposed in the substrate; first nanostructures suspended over and vertically arranged over the well region; second nanostructures suspended over and vertically arranged over the well region; and a gate structure wrapped around each of the first nanostructures and each of the second nanostructures. The semiconductor structure further includes a first source/drain feature and a second source/drain feature attached to opposite sides of the first nanostructures, wherein each of the first source/drain feature and the second source/drain feature includes a first bottom dielectric layer over the well region and a first doped epitaxial layer over the first bottom dielectric layer; and a third source/drain feature and a fourth source/drain feature attached to opposite sides of the second nanostructures, wherein each of the third source/drain feature and the fourth source/drain feature includes a second doped epitaxial layer over the well region.Type: GrantFiled: August 7, 2023Date of Patent: June 2, 2026Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventor: Jhon-Jhy Liaw
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Patent number: 12648308Abstract: According to one embodiment, a display device includes first and second lower electrodes, a rib including first and second pixel apertures, a first organic layer, a second organic layer, a first upper electrode, a second upper electrode, and a partition including a lower portion and an upper portion. The partition includes first and second portions. A first height from an upper surface of the first lower electrode overlapping the first pixel aperture to an upper surface of the first portion is different from a second height from an upper surface of the second lower electrode overlapping the second pixel aperture to an upper surface of the second portion.Type: GrantFiled: August 16, 2023Date of Patent: June 2, 2026Assignee: MAGNOLIA WHITE CORPORATIONInventor: Naoki Shiomi
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Patent number: 12635151Abstract: The present disclosure provides a digital isolator structure and a method for forming the same. The method includes: providing a substrate; forming a first electrode plate on a surface of the substrate and forming a dielectric layer on the first electrode plate; etching the dielectric layer until the first electrode plate is exposed to form a deep trench in the dielectric layer; forming a connect layer on a bottom and a side surface of the deep trench and forming an insulating layer on at least a part of a surface of the connect layer; forming a lead-out electrode layer and a second electrode plate on a surface of the dielectric layer. The lead-out electrode layer is also disposed on a top surface of the connect layer. The method can reduce process steps and save cost of conductive materials.Type: GrantFiled: April 4, 2023Date of Patent: May 19, 2026Assignee: Hua Hong Semiconductor (WUXI) LimitedInventors: Hongfeng Jin, Hongxu Yang, Hualun Chen
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Patent number: 12635140Abstract: An electronic device comprises a stack comprising tiers of alternating conductive structures and insulative structures adjacent to a source, and strings of memory cells extending vertically through the stack. The strings of memory cells individually comprising a channel material extending vertically through the stack. The electronic device comprises an additional stack adjacent to the stack and comprising tiers of alternating additional conductive structures and additional insulative structures, pillars extending through the additional stack and adjacent to the strings of memory cells, conductive contacts adjacent to the pillars, and isolation structures laterally intervening between neighboring pillars. The isolation structures exhibit a weave pattern, and portions of the isolation structures are laterally adjacent to and physically contact the conductive contacts. Related memory devices, systems, and methods are also described.Type: GrantFiled: September 6, 2022Date of Patent: May 19, 2026Assignee: Micron Technology, Inc.Inventors: Sidhartha Gupta, Matthew J. King, Jiewei Chen, Yi Hu
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Patent number: 12622005Abstract: Semiconductor devices including a capacitor and methods of fabricating the semiconductor devices are disclosed. A method of fabricating a semiconductor device including a capacitor includes forming an underlayer structure including a substrate onto which metal is patterned within a first dielectric material, wherein the patterned metal forms a first metal surface of the capacitor; forming a middle layer of a second dielectric material above the underlayer structure; forming an upper layer of a third dielectric material above the middle layer; etching a supervia though the upper layer and into the middle layer, wherein the supervia hangs in the second dielectric material of the middle layer above the patterned metal forming the first metal surface of the capacitor; and performing barrier deposition and metal electroplating in the supervia, wherein the supervia forms a second metal surface of the capacitor above the first metal surface.Type: GrantFiled: January 30, 2023Date of Patent: May 5, 2026Assignee: Samsung Electronics Co., LtdInventors: Sunil Kumar Singh, Sivashankar Sivasubramanian
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Patent number: 12616022Abstract: Some implementations described herein provide a semiconductor structure. The semiconductor structure includes a capacitor device within a recessed portion of a substrate. The recessed portion has sidewalls and a bottom surface below a top surface of the substrate. The semiconductor structure includes a dielectric material disposed below the capacitor device and within the recessed portion. The semiconductor structure includes a first conductive structure adjacent one or more of the sidewalls of the recessed portion. The first conductive structure may include a conductive portion of the substrate or a conductive material disposed within the recessed portion. The semiconductor structure includes a second conductive structure coupled to the first conductive structure, where the second conductive structure provides an electrical connection from the first conductive structure to a voltage source or a voltage drain.Type: GrantFiled: July 26, 2023Date of Patent: April 28, 2026Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jen-Yuan Chang, Chia-Ping Lai, Chien-Chang Lee
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Patent number: 12604488Abstract: The present invention provides a silicon capacitor structure, including a substrate, an interlayer dielectric (ILD) layer on the substrate, a capacitor recess extending from a surface of the ILD layer into the substrate, a capacitor in the capacitor recess, wherein the capacitor includes a bottom electrode on a surface of the capacitor recess, a capacitive dielectric layer on a surface of the bottom electrode, and a top electrode on a surface of the capacitive dielectric layer and filling up the capacitor recess.Type: GrantFiled: March 2, 2023Date of Patent: April 14, 2026Assignee: Powerchip Semiconductor Manufacturing CorporationInventors: Li-Peng Chang, Chih-Ling Hung, San-Jung Chang
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Patent number: 12604473Abstract: A semiconductor device may include a gate structure, a channel structure extending through the gate structure, a first hydrogen supply layer disposed on the gate structure, having a first hydrogen concentration, and comprising an oxygen vacancy, and a hydrogen blocking layer disposed on the first hydrogen supply layer and having a second hydrogen concentration lower than the first hydrogen concentration.Type: GrantFiled: February 1, 2023Date of Patent: April 14, 2026Assignee: SK hynix Inc.Inventors: Hyun Sub Kim, Sun Woo Kim, Jin Ho Bin
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Patent number: 12588277Abstract: One or more systems, devices, and/or methods of fabrication provided herein relate to reduced resistance between contacts and source/drain epis. According to one embodiment, a semiconductor device can comprise a source/drain region comprising a top portion, a sidewall portion and a bottom portion, a dielectric bar located adjacent to the source/drain region, and a contact in direct contact with the top portion, the sidewall portion and the bottom portion of the source/drain region and with the dielectric bar.Type: GrantFiled: January 18, 2023Date of Patent: March 24, 2026Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Shravana Kumar Katakam, Tao Li, Ruilong Xie, Nicholas Anthony Lanzillo
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Patent number: 12588516Abstract: A semiconductor device includes a substrate having first and second regions; a first stack structure including lower gate electrodes stacked in a first direction in the first region; a first channel structure penetrating through the first stack structure; a second stack structure on the first stack structure and the first channel structure and including upper gate electrodes stacked in the first direction; a second channel structure penetrating through the second stack structure; a first mold structure including lower horizontal sacrificial layers stacked in the second region; an alignment structure penetrating through the first mold structure; and a second mold structure on the first mold structure and the alignment structure and including upper horizontal sacrificial layers stacked, wherein the number of the lower horizontal sacrificial layers is less than the number of the lower gate electrodes.Type: GrantFiled: July 28, 2023Date of Patent: March 24, 2026Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jinhyuk Kim, Jeongyong Sung, Joongshik Shin, Jeehoon Han
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Patent number: 12588224Abstract: A method for making a metal-insulator-metal (MIM) capacitors by etching a dielectric layer to form a via or contact hole, a tub, and a trench in the dielectric layer; depositing conformal metal in the via or contact hole, the tub, and the trench, wherein deposited conformal metal forms a via or contact in the via or contact hole; depositing a bottom electrode metal in the tub to form a bottom electrode of a metal-to-metal (MIM) capacitor; removing bottom electrode metal from the bottom electrode to form a dish-shape upper surface; depositing an insulator material on the bottom electrode to form an insulator layer of the MIM capacitor; and depositing a top electrode metal on the insulator layer to form a top electrode of the MIM capacitor.Type: GrantFiled: February 1, 2023Date of Patent: March 24, 2026Assignee: Microchip Technology IncorporatedInventor: Yaojian Leng
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Patent number: 12588209Abstract: A method of forming a memory device includes forming an alternating stack of insulating layers and sacrificial material layers over a substrate, forming memory openings through the alternating stack, forming memory opening fill structures in the memory openings including respective vertical stack of memory elements and a respective vertical semiconductor channel, forming a lateral isolation trench through the alternating stack, forming lateral recesses by removing the sacrificial material layers selective to the insulating layers and the memory opening fill structures, depositing a first tungsten layer in the lateral recesses using a first tungsten deposition process in which a fluorine-containing tungsten precursor gas is used as a reactant, and depositing a second tungsten layer on the first tungsten layer in the lateral recesses using a second tungsten deposition process in which a fluorine-free tungsten precursor gas is used as a reactant.Type: GrantFiled: July 27, 2023Date of Patent: March 24, 2026Assignee: Sandisk Technologies, Inc.Inventors: Yusuke Mukae, Tatsuya Hinoue, Raghuveer S. Makala, Shungo Asaeda
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Patent number: 12581942Abstract: Structures for an electronic fuse and methods of forming an electronic fuse. The structure comprises an electronic fuse including a first terminal, a second terminal, and a fuse link extending from the first terminal to the second terminal. The first terminal, the second terminal, and the fuse link each include a semiconductor layer and a silicide layer. The silicide layer includes a first portion on the first terminal, a second portion on the second terminal, and a third portion on the fuse link. The fuse link includes an airgap between the semiconductor layer and the third portion of the silicide layer.Type: GrantFiled: November 14, 2022Date of Patent: March 17, 2026Assignee: GlobalFoundries Singapore Pte. Ltd.Inventors: Shyue Seng Tan, Zar Lwin Zin, Eng Huat Toh
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Patent number: 12581647Abstract: A method of manufacturing a memory device includes providing a substrate and sequentially forming a stack layer and a hard mask layer on the substrate. The method includes forming a first patterned mandrel and a plurality of second patterned mandrels on the hard mask layer, wherein the first patterned mandrel is adjacent to and spaced apart from an end of the second patterned mandrels in the first direction. The method further includes using the first patterned mandrel and the second patterned mandrels as masks, patterning the hard mask layer and the stack layer sequentially to form a dummy structure and a plurality of word lines separated from each other on the substrate. A portion of the stack layer corresponding to the first mandrel is formed into the dummy structure, and a portion of the stack layer corresponding to the second patterned mandrels is formed into the word lines.Type: GrantFiled: October 3, 2022Date of Patent: March 17, 2026Assignee: WINBOND ELECTRONICS CORP.Inventors: Tsung-Wei Lin, Kun-Che Wu, Chun-Yen Liao, Chun-Sheng Wu
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Patent number: 12557617Abstract: Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes a fin. An insulating structure is directly adjacent sidewalls of the lower fin portion of the fin. A first gate electrode is over the upper fin portion and over a first portion of the insulating structure. A second gate electrode is over the upper fin portion and over a second portion of the insulating structure. A first dielectric spacer is along a sidewall of the first gate electrode. A second dielectric spacer is along a sidewall of the second gate electrode, the second dielectric spacer continuous with the first dielectric spacer over a third portion of the insulating structure between the first gate electrode and the second gate electrode.Type: GrantFiled: October 4, 2023Date of Patent: February 17, 2026Assignee: Intel CorporationInventors: Heidi M. Meyer, Ahmet Tura, Byron Ho, Subhash Joshi, Michael L. Hattendorf, Christopher P. Auth
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Patent number: 12557303Abstract: A capacitor structure comprises a substrate having a first side and a second side opposite to the first side; a plurality of first trenches formed on the first side of the substrate; a plurality of second trenches formed on the second side of the substrate; a first capacitor extending along the first side and into the first trenches; and a second capacitor extending along the second side and into the second trenches, wherein a first depth of each of the first trenches or a second depth of each of the second trenches is greater than half of a thickness of the substrate.Type: GrantFiled: June 14, 2024Date of Patent: February 17, 2026Assignee: UNITED MICROELECTRONICS CORP.Inventors: Teng-Chuan Hu, Chu-Fu Lin, Chun-Hung Chen
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Patent number: 12557304Abstract: The present disclosure provides a method of manufacturing a semiconductor structure and a semiconductor structure. The method includes: providing a base; forming a plurality of support layers on the base, where the support layers are configured to support a plate capacitor structure, extend along a first direction, and are arranged at intervals along a second direction, and the first direction intersects the second direction; forming a bottom electrode layer, where the bottom electrode layer at least covers sidewalls of the support layers; and forming a dielectric layer, the dielectric layer covering the bottom electrode layer.Type: GrantFiled: January 3, 2023Date of Patent: February 17, 2026Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventors: Jie Bai, Kang You
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Patent number: 12550340Abstract: Disclosed herein are IC devices with three-dimensional metal-insulator-metal capacitor structures. An example IC device implementing such capacitor structures includes studs of a first insulator material, an insulator material surrounding and in contact with upper-most portions of sidewalls of the studs, a first electrically conductive material surrounding bottom-most portions of the sidewalls of the studs, and a second electrically conductive material surrounding middle portions of the sidewalls of the studs, wherein the insulator material further surrounds the second electrically conductive material over the middle portions of the sidewalls of the studs. The IC device further includes a third electrically conductive material surrounding the insulator material surrounding the middle portions and the upper-most portions of the studs.Type: GrantFiled: June 12, 2023Date of Patent: February 10, 2026Assignee: Intel CorporationInventor: Denzil Frost
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Patent number: 12550342Abstract: A method for fabricating a semiconductor device includes sequentially stacking a sacrificial layer and a support layer on a substrate, forming bottom electrodes penetrating the sacrificial layer and the support layer to come into contact with the substrate, patterning the support layer to form a support pattern that connects the bottom electrodes to each other, removing the sacrificial layer to expose surfaces of the bottom electrodes, depositing a conductive layer on the exposed surfaces of the bottom electrodes and a surface of the support pattern, and etching the conductive layer. The etching the conductive layer includes selectively removing the conductive layer on the support pattern to expose the surface of the support pattern. The depositing the conductive layer and the etching the conductive layer are alternately performed in a same chamber.Type: GrantFiled: April 4, 2023Date of Patent: February 10, 2026Assignee: Samsung Electronics Co., Ltd.Inventors: Jiye Baek, Yi Rang Lim