Patents Examined by Andre? C. Stevenson
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Patent number: 12293916Abstract: A method includes forming a dummy gate stack on a semiconductor fin, forming gate spacers on sidewalls of the dummy gate stack, forming a first inter-layer dielectric, with the gate spacers and the dummy gate stack being in the first inter-layer dielectric, removing the dummy gate stack to form a trench between the gate spacers, forming a replacement gate stack in the trench, and depositing a dielectric capping layer. A bottom surface of the dielectric capping layer contacts a first top surface of the replacement gate stack and a second top surface of the first inter-layer dielectric. A second inter-layer dielectric is deposited over the dielectric capping layer. A source/drain contact plug is formed and extends into the second inter-layer dielectric, the dielectric capping layer, and the first inter-layer dielectric.Type: GrantFiled: August 7, 2023Date of Patent: May 6, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Pei-Yu Chou, Tze-Liang Lee
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Patent number: 12289920Abstract: A semiconductor device includes a first and a second nitride-based semiconductor layers, a first and a second electrodes, a first and a second gate electrodes, a first and a second passivation layers and a conductive layer. The first passivation layer has a first portion covered with a first end portion of the first field plate and a second portion free from coverage of the first field plate. The second passivation layer has a first portion covered by the conductive layer and a second portion free from coverage of the conductive layer. A thickness difference between the first and the second portions of the first passivation layer is less than a thickness difference between the first and the second portions of the second passivation layer.Type: GrantFiled: August 11, 2021Date of Patent: April 29, 2025Assignee: INNOSCIENCE (SUZHOU) TECHNOLOGY CO., LTD.Inventors: Qiyue Zhao, Yu Shi
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Patent number: 12272666Abstract: A method of manufacturing a semiconductor package includes forming an insulating layer; forming a seed layer on the insulating layer; forming a photoresist layer on the seed layer; forming a plurality of line pattern holes by patterning the photoresist layer, a horizontal length of a middle portion of each of the plurality of line pattern holes being less than a horizontal length of an upper portion of each of the plurality of line pattern holes and a horizontal length of a lower portion of each of the plurality of line pattern holes; and forming a redistribution line pattern by performing a plating process using a portion of the seed layer exposed by the plurality of line pattern holes.Type: GrantFiled: May 16, 2022Date of Patent: April 8, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Eunsil Kim, Seunghan Sim, Gun Lee
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Patent number: 12274063Abstract: Some embodiments include an integrated assembly having a second deck over a first deck. The first deck has first memory cell levels, and the second deck has second memory cell levels. A pair of cell-material-pillars pass through the first and second decks. Memory cells are along the first and second memory cell levels. The cell-material-pillars are a first pillar and a second pillar. An intermediate level is between the first and second decks. The intermediate level includes a region between the first and second pillars. The region includes a first segment adjacent the first pillar, a second segment adjacent the second pillar, and a third segment between the first and second segments. The first and second segments include a first composition, and the third segment includes a second composition different from the first composition. Some embodiments include methods of forming integrated assemblies.Type: GrantFiled: October 27, 2023Date of Patent: April 8, 2025Inventors: Jordan D. Greenlee, John D. Hopkins
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Patent number: 12266540Abstract: A method for fabricating a layer structure having a target topology profile in a step which has a side face and a lateral face, includes processes of: (a) depositing a dielectric layer on a preselected area of the substrate under first deposition conditions, wherein the dielectric layer has a portion whose resistance to fluorine and/or chlorine radicals under first dry-etching conditions is tuned; and (b) exposing the dielectric layer obtained in process (a) to the fluorine and/or chlorine radicals under the first dry-etching conditions, thereby removing at least a part of the portion of the dielectric layer, thereby forming a layer structure having the target topology profile on the substrate.Type: GrantFiled: December 6, 2023Date of Patent: April 1, 2025Assignee: ASM IP Holding B.V.Inventors: Eiichiro Shiba, Yoshinori Ota, René Henricus Jozef Vervuurt, Nobuyoshi Kobayashi, Akiko Kobayashi
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Patent number: 12261062Abstract: Embodiments of the present disclosure generally relate to apparatus and methods for semiconductor processing, more particularly, to a thermal process chamber. In one or more embodiments, a process chamber comprises a first window, a second window, a substrate support disposed between the first window and the second window, and a motorized rotatable radiant spot heating source disposed over the first window and configured to provide radiant energy through the first window.Type: GrantFiled: July 19, 2023Date of Patent: March 25, 2025Assignee: Applied Materials, Inc.Inventors: Shu-Kwan Danny Lau, Toshiyuki Nakagawa, Zhiyuan Ye
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Patent number: 12261122Abstract: Contact over active gate (COAG) structures with etch stop layers, and methods of fabricating contact over active gate (COAG) structures using etch stop layers, are described. In an example, an integrated circuit structure includes a plurality of gate structures above substrate, each of the gate structures including a gate insulating layer thereon. A plurality of conductive trench contact structures is alternating with the plurality of gate structures, each of the conductive trench contact structures including a trench insulating layer thereon. A first dielectric etch stop layer is directly on and continuous over the trench insulating layers and the gate insulating layers. A second dielectric etch stop layer is directly on and continuous over the first dielectric etch stop layer, the second dielectric etch stop layer distinct from the first dielectric etch stop layer. An interlayer dielectric material is on the second dielectric etch stop layer.Type: GrantFiled: September 19, 2023Date of Patent: March 25, 2025Assignee: Intel CorporationInventors: Atul Madhavan, Nicholas J. Kybert, Mohit K. Haran, Hiten Kothari
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Patent number: 12255150Abstract: The current disclosure describes techniques for making an alignment mark on a wafer. A recess is etched in a first surface region of a wafer. A device structure is formed in a second surface region of the wafer. A dielectric layer is deposited on the first surface of the wafer and filling the recess. A first planarization procedure is conducted to planarize the dielectric layer. After the first planarization procedure, a second planarization procedure is conducted to device structures on the second surface region of the wafer.Type: GrantFiled: July 7, 2021Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Huang-Jen Hsu, Jheng-Si Su, Kung-Ming Liu, Tzuyi Hsieh, Feng-Inn Wu
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Patent number: 12255241Abstract: Embodiments of the present disclosure relate to a method of forming a low-k dielectric material, for example, a low-k gate spacer layer in a FinFET device. The low-k dielectric material may be formed using a precursor having a general chemical structure comprising at least one carbon atom bonded between two silicon atoms. A target k-value of the dielectric material may be achieved by controlling carbon concentration in the dielectric material.Type: GrantFiled: April 18, 2023Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wan-Yi Kao, Chung-Chi Ko
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Patent number: 12255064Abstract: A method of forming a semiconductor device includes the following operations. A substrate is provided with a device and an insulating layer disposed over the device. A silicon-containing heterocyclic compound precursor and a first oxygen-containing compound precursor are introduced to the substrate, so as to form a zeroth dielectric layer on the insulating layer. A zeroth metal layer is formed in the zeroth dielectric layer. A silicon-containing linear compound precursor and a second oxygen-containing compound precursor are introduced to the substrate to form a first dielectric layer on the zeroth dielectric layer. A first metal layer is formed in the first dielectric layer.Type: GrantFiled: September 22, 2023Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventor: Chi-Chang Liu
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Patent number: 12256582Abstract: The present disclosure provides a display panel, a manufacturing method thereof and a display device. The display panel includes: a base substrate including a display region, a wiring region surrounding the display region and a bonding region located at a side of the display region; a light-emitting element arranged in the display region and including a cathode; and a first line and at least one second line in the wiring region, the first line being coupled to the cathode of the light-emitting element, two ends of the second line being coupled to the first line in the bonding region, and the first line and the second line being coupled through at least two via holes at an opposite side of the bonding region.Type: GrantFiled: June 10, 2021Date of Patent: March 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Rui Cheng, Yunpeng Zhang, Lele Sun
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Patent number: 12234145Abstract: Methods for improving wafer bonding performance are disclosed herein. In some embodiments, a method for bonding a pair of semiconductor substrates is disclosed. The method includes: processing at least one of the pair of semiconductor substrates, and bonding the pair of semiconductor substrates together. Each of the pair of semiconductor substrates is processed by: performing at least one chemical vapor deposition (CVD), and performing at least one chemical mechanical polishing (CMP). One of the at least one CVD is performed after all CMP performed before bonding.Type: GrantFiled: November 18, 2023Date of Patent: February 25, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chien-Wei Chang, Ya-Jen Sheuh, Ren-Dou Lee, Yi-Chih Chang, Yi-Hsun Chiu, Yuan-Hsin Chi
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Patent number: 12238924Abstract: Disclosed herein is an apparatus that includes a semiconductor substrate including first and second circuit regions a first trench extending in a first direction and formed between the first and second circuit regions, wherein the first trench includes a first inner wall positioned on the first circuit region side and a second inner van positioned on the second circuit region side, and a plurality of second trenches extending in a second direction different from the first direction and firmed in the first circuit region such that the second trench communicates with the first trench at the first inner wall; and a first insulating film formed on the first and second inner walls such that the second inner wall is covered with the first insulating film without being exposed.Type: GrantFiled: March 15, 2021Date of Patent: February 25, 2025Assignee: Micron Technology, Inc.Inventor: Kunihiro Tsubomi
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Patent number: 12238997Abstract: A display substrate and a display device are provided. The display substrate includes repeating units, each repeating unit includes one first color sub-pixel, one second color sub-pixel pair and one third color sub-pixel, the second color sub-pixel pair includes two second color sub-pixels. In each repeating unit, a distance, along the first direction, between a center of the third color sub-pixel and a center of the second color sub-pixel pair is a first distance; two adjacent repeating units located in a same repeating unit group include a first repeating unit and a second repeating unit, a distance between a center of a second color sub-pixel pair in a third repeating unit adjacent to both the first repeating unit and the second repeating unit and a center of a third color sub-pixel in the first repeating unit is a second distance, and the first distance is different from the second distance.Type: GrantFiled: March 19, 2020Date of Patent: February 25, 2025Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Tinghua Shang, Yi Zhang, Tingliang Liu, Yang Zhou, Linhong Han, Pengfei Yu
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Patent number: 12230497Abstract: Methods for forming a topographically selective silicon oxide film by a cyclical plasma-enhanced deposition process are provided. The methods may include: forming a topographically selective silicon oxide film by a plasma enhanced atomic layer deposition (PEALD) process or a cyclical plasma-enhanced chemical vapor deposition (cyclical PECVD) process. The methods may also include: forming a silicon oxide film either selectivity over the horizontal surfaces of a non-planar substrate or selectively over the vertical surfaces of a non-planar substrate.Type: GrantFiled: December 31, 2022Date of Patent: February 18, 2025Assignee: ASM IP Holding B.V.Inventors: Aurélie Kuroda, Atsuki Fukazawa
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Patent number: 12224214Abstract: A method of fabricating a semiconductor device is disclosed. The method may include forming a parent pattern, forming an upper thin film on the parent pattern, forming a child pattern on the upper thin film, measuring a diffraction light from the parent and child patterns to obtain an intensity difference curve of the diffraction light versus its wavelength, and performing an overlay measurement process on the parent and child patterns using the diffraction light, which has the same wavelength as a peak of the intensity difference curve located near a peak of reflectance of the parent and child patterns, to obtain an overlay measurement value.Type: GrantFiled: January 18, 2024Date of Patent: February 11, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Seongkeun Cho, Eunhee Jeang, Jihun Lee, Gyumin Jeong, Hyunjae Kang, Taemin Earmme
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Patent number: 12224295Abstract: A method of manufacturing an image sensor includes forming a first dopant region having a second conductivity type in a semiconductor substrate including first and second surfaces. The semiconductor substrate has a first conductivity type different from the second conductivity type. The method further includes forming a pixel isolation structure defining pixel regions in the semiconductor substrate, forming a vertical trench by patterning the first surface in each of the pixel regions, forming a mask pattern exposing each of the pixel regions on the first surface, in which the mask pattern includes a residual mask pattern filling at least a portion of the vertical trench, forming a second dopant region having the second conductivity type in the semiconductor substrate by using the mask pattern as an ion-implantation mask, in which the second dopant region is adjacent to the vertical trench, and forming a transfer gate electrode in the vertical trench.Type: GrantFiled: November 17, 2021Date of Patent: February 11, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hakyu Choi, Yongsuk Choi, Keo-Sung Park, Dongwook Won
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Patent number: 12219798Abstract: Disclosed are a display substrate and a display apparatus. The display substrate includes: a base substrate, including a display region and a non-display region; an encapsulation dam, disposed on the base substrate and located in the non-display region, and annularly surrounding the display region; and an overflow detection structure, disposed on the base substrate and located in the non-display region, and annularly surrounding the display region, where the overflow detection structure is located between a region where the encapsulation dam is located and the display region. The overflow detection structure includes: at least one convex part; and a reflection part on a side, facing away from the base substrate, of the convex part and at least partially covering the at least one convex part.Type: GrantFiled: September 20, 2021Date of Patent: February 4, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Tao Wang, Tao Sun, Yue Cui
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Patent number: 12218273Abstract: A micro light-emitting diode (?LED) chip includes a first electrode layer, a second semiconductor layer located on a surface of the first electrode layer, and a first semiconductor layer located on a side of the second semiconductor layer away from the first electrode layer, and a light-emitting layer located between the first semiconductor layer and the second semiconductor layer. The second semiconductor is electrically connected to the first electrode layer, and is configured to transmit first carriers. The first semiconductor layer is configured to transmit second carriers. The light-emitting layer is configured to be excited to emit light upon combination of the first carriers and the second carriers. A surface of the first semiconductor layer away from the light-emitting layer is a concave-convex microstructure, and convex portions of the concave-convex microstructure are configured to receive an electron beam.Type: GrantFiled: March 18, 2021Date of Patent: February 4, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yuju Chen
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Patent number: 12218300Abstract: The present disclosure relates to an LED display device, and more particularly, to an LED display device including a repair structure for a deteriorated pixel. In the present disclosure, a subLED electrically connected to first and second connecting electrodes for applying a voltage to a LED is disposed on a deteriorated LED. Thus, deterioration of a display quality due to a deteriorated pixel is prevented. Since it is not required to remove a deteriorated LED, a fabrication cost is reduced and a process efficiency is improved.Type: GrantFiled: September 2, 2020Date of Patent: February 4, 2025Assignee: LG DISPLAY CO., LTD.Inventors: Kyu Oh Kwon, Jae Min Sim, Seung Jun Lee, Jung Hun Choi