Patents Examined by Duy T Nguyen
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Patent number: 12237327Abstract: Devices and methods to manufacture a stack of FET switches in presence of a neighboring stack of FET switches are described. The stack of FET switches is designed or manufactured so that at least its top FET has a width that is smaller than the width of its bottom FET. Other voltage handling configurations and distributions of widths are described.Type: GrantFiled: November 10, 2021Date of Patent: February 25, 2025Assignee: pSemi CorporationInventors: Shashi Samal, Matt Allison
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Patent number: 12238916Abstract: Asymmetric, semiconductor memory cells, arrays, devices and methods are described. Among these, an asymmetric, bi-stable semiconductor memory cell is described that includes: a floating body region configured to be charged to a level indicative of a state of the memory cell; a first region in electrical contact with the floating body region; a second region in electrical contact with the floating body region and spaced apart from the first region; and a gate positioned between the first and second regions, such that the first region is on a first side of the memory cell relative to the gate and the second region is on a second side of the memory cell relative to the gate; wherein performance characteristics of the first side are different from performance characteristics of the second side.Type: GrantFiled: June 23, 2023Date of Patent: February 25, 2025Assignee: Zeno Semiconductor, Inc.Inventor: Yuniarto Widjaja
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Patent number: 12230603Abstract: A method of fabricating a semiconductor chip includes the following steps. A bonding material layer is formed on a first wafer substrate and is patterned to form a first bonding layer having a strength adjustment pattern. A semiconductor component layer and a first interconnect structure layer are formed on a second wafer substrate. The first interconnect structure layer is located. A second bonding layer is formed on the first interconnect structure layer. The second wafer substrate is bonded to the first wafer substrate by contacting the second bonding layer with the first bonding layer. A bonding interface of the second bonding layer and the first bonding layer is smaller than an area of the second bonding layer. A second interconnect structure layer is formed on the semiconductor component layer. A conductor terminal is formed on the second interconnect structure layer.Type: GrantFiled: July 26, 2023Date of Patent: February 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hong-Wei Chan, Jiing-Feng Yang, Yung-Shih Cheng, Yao-Te Huang, Hui Lee
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Patent number: 12232307Abstract: A fan-out package includes a redistribution structure having redistribution-side bonding structures, a plurality of semiconductor dies including a respective set of die-side bonding structures that is attached to a respective subset of the redistribution-side bonding structures through a respective set of solder material portions, and an underfill material portion laterally surrounding the redistribution-side bonding structures and the die-side bonding structures of the plurality of semiconductor dies. A subset of the redistribution-side bonding structures is not bonded to any of the die-side bonding structures of the plurality of semiconductor dies and is laterally surrounded by the underfill material portion, and is used to provide uniform distribution of the underfill material during formation of the underfill material portion.Type: GrantFiled: August 7, 2023Date of Patent: February 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Ming-Chih Yew, Shu-Shen Yeh, Chin-Hua Wang, Po-Yao Lin, Shin-Puu Jeng
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Patent number: 12224583Abstract: An electrical distribution grid energy management and router device, or GER device, may be installed in a distribution grid, and route power from power supply to one or more power consumers. The GER devices described herein may provide platforms to add one or more features to a distribution transformer, provide additional features and benefits to both the utility company and end consumer, and may serve as a platform for providing other features, such as multi-layer protection systems for detecting, among other things, one or more fault conditions, and responding to such conditions when detected. A GER device may include sensors to measure electrical properties of incoming and outgoing power, and may include an electrical circuit layer having a central DC power stage.Type: GrantFiled: May 15, 2023Date of Patent: February 11, 2025Assignee: Gridbridge, Inc.Inventors: Chad Eckhardt, Stephen Timothy Watts
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Patent number: 12224359Abstract: A sensor package structure includes a substrate, a sensor chip and a ring-shaped solder mask frame those are disposed on the substrate, a ring-shaped support disposed on a top side of the annular solder mask frame, and a light permeable member that is disposed on the ring-shaped support. The sensor chip is electrically coupled to the substrate. A top surface of the sensor chip has a sensing region, and the sensing region is spaced apart from an outer lateral side of the sensor chip by a distance less than 300 ?m. The ring-shaped solder mask frame surrounds and contacts the outer lateral side of the sensor chip. The light permeable member, the ring-shaped support, and the sensor chip jointly define an enclosed space.Type: GrantFiled: February 16, 2023Date of Patent: February 11, 2025Assignee: TONG HSING ELECTRONIC INDUSTRIES, LTD.Inventors: Fu-Chou Liu, Jui-Hung Hsu, Yu-Chiang Peng, Chien-Chen Lee, Ya-Han Chang, Li-Chun Hung
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Patent number: 12224272Abstract: A method for manufacturing micro-LED displays includes depositing a first material over a substrate having a plurality of micro-LEDs such that the plurality of micro-LEDs are covered by the first material and the first material fills gaps laterally separating the micro-LEDs, removing a portion of the first material from the gaps that laterally separate the plurality of micro-LEDs to form trenches that extend to or below light-emitting layers of the micro-LEDs, depositing a second material over the substrate such that the second material covers the first material and extends into the trenches, and removing a portion of the first and second material over the plurality of micro-LEDs to expose top surfaces of the plurality of micro-LEDs and such that isolation walls positioned in the gaps between the plurality of micro-LEDs extend vertically higher than the top surface of the first material.Type: GrantFiled: March 22, 2022Date of Patent: February 11, 2025Assignee: Applied Materials, Inc.Inventors: Lisong Xu, Byung Sung Kwak, Mingwei Zhu, Hou T. Ng, Nag B. Patibandla, Christopher Dennis Bencher
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Patent number: 12218139Abstract: A semiconductor device includes a substrate having a first active region disposed in a first region of a substrate and a second active region disposed in a second region of the substrate. A first gate stack is disposed over the first active region and a second gate stack is disposed over the second active region, the first and second gate stacks having elongated shapes oriented in a first direction. A first metal layer is disposed over the first gate stack and the second gate stack. The first metal layer includes first metal layer structures oriented in a second direction orthogonal to the first direction. A second metal layer disposed over the first metal layer. The second metal layer includes second metal layer structures oriented in the first direction. A third metal layer is disposed over the second metal layer. The third metal layer includes a third metal layer structures oriented in the second direction.Type: GrantFiled: December 30, 2021Date of Patent: February 4, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventor: Jhon Jhy Liaw
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Patent number: 12217049Abstract: A method of synchronizing container image lists is provided. A first container image list having first container images is accessed from a remote source. The first container images listed in the first container image list include a first tag and a first digest. A second container image list having second container images is accessed from a cloud-computing system registry. The second container images listed in the second container image list include a second tag and a second digest. Container images in the accessed container image lists are compared with each other. The comparison includes comparing the first tag with the second tag and, based on the tag comparison, the first digest with the second digest. The first container image list is synchronized with the second container image list based on the comparison of the container images.Type: GrantFiled: October 19, 2023Date of Patent: February 4, 2025Assignee: Confluent, Inc.Inventor: Greg Hensley
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Patent number: 12198973Abstract: Trenches of different depths in an integrated circuit are formed by a process utilizes a dry etch. A first stop layer is formed over first and second zones of the substrate. A second stop layer is formed over the first stop layer in only the second zone. A patterned mask defines the locations where the trenches are to be formed. The dry etch uses the mask to etch in the first zone, in a given time, through the first stop layer and then into the substrate down to a first depth to form a first trench. This etch also, at the same time, etch in the second zone through the second stop layer, and further through the first stop layer, and then into the substrate down to a second depth to form a second trench. The second depth is shallower than the first depth.Type: GrantFiled: March 29, 2023Date of Patent: January 14, 2025Assignee: STMicroelectronics (Rousset) SASInventors: Franck Julien, Abderrezak Marzaki
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Patent number: 12199149Abstract: An embodiment relates to a n-type planar gate DMOSFET comprising a Silicon Carbide (SiC) substrate. The SiC substrate includes a N+ substrate, a N? drift layer, a P-well region and a first N+ source region within each P-well region. A second N+ source region is formed between the P-well region and a source metal via a silicide layer. During third quadrant operation of the DMOSFET, the second N+ source region starts depleting when a source terminal is positively biased with respect to a drain terminal. The second N+ source region impacts turn-on voltage of body diode regions of the DMOSFET by establishing short-circuitry between the P-well region and the source metal when the second N+ source region is completely depleted.Type: GrantFiled: April 12, 2021Date of Patent: January 14, 2025Assignee: GENESIC SEMICONDUCTOR INC.Inventors: Siddarth Sundaresan, Ranbir Singh, Jaehoon Park
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Patent number: 12191280Abstract: Circuit boards, LED lighting systems and methods of manufacture are described. A circuit board includes a ceramic carrier and a body on the ceramic carrier. The body includes dielectric layers and slots formed completely through a thickness of the dielectric layers. The slots are filled with a dielectric material. A conductive pad is provided on a surface of each of the slots opposite the ceramic carrier.Type: GrantFiled: April 19, 2023Date of Patent: January 7, 2025Assignee: LUMILEDS, LLCInventors: Loon-Kwang Tan, Tze Yang Hin
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Patent number: 12191354Abstract: A transistor comprises a top source/drain region, a bottom source/drain region, a channel region vertically between the top and bottom source/drain regions, and a gate operatively laterally-adjacent the channel region. The channel region is crystalline and comprises a plurality of vertically-elongated crystal grains that individually are directly against both of the top source/drain region and the bottom source/drain region. Other embodiments, including methods, are disclosed.Type: GrantFiled: July 8, 2022Date of Patent: January 7, 2025Assignee: Micron Technology, Inc.Inventors: Manuj Nahar, Vassil N. Antonov, Kamal M. Karda, Michael Mutch, Hung-Wei Liu, Jeffery B. Hull
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Patent number: 12183592Abstract: A ceramic article. In some embodiments, the ceramic article includes a ceramic body composed of a ceramic material; and a first conductive trace, the first conductive trace having a first portion entirely within the ceramic material, the first portion having a length of 0.5 mm and transverse dimensions less than 500 microns, the ceramic material including a plurality of ceramic particles in a ceramic matrix.Type: GrantFiled: July 20, 2023Date of Patent: December 31, 2024Assignee: HRL LABORATORIES, LLCInventors: Tobias Schaedler, Kayleigh Porter, Phuong Bui
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Patent number: 12176443Abstract: In one example, an electronic device includes: an electronic component comprising a sensor and an electrical interconnect; a substrate comprising an electrically conductive material and a translucent mold compound, wherein the electrically conductive material is coupled to the translucent mold compound and wherein the electrical interconnect of the electronic component is coupled to the electrically conductive material of the substrate; and a translucent underfill contacting the electrical interconnect and between the translucent mold compound and the sensor. Other examples and related methods are also disclosed herein.Type: GrantFiled: August 16, 2022Date of Patent: December 24, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Ji Young Chung, Sung Hwan Yang, Jae Ho Lee
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Patent number: 12167583Abstract: A method includes: abutting a first logic cell having a first cell height to a first memory cell having the first cell height; forming a first conductive rail and a second conductive rail at opposite sides of the first memory cell, respectively; forming a plurality of first conductive rails between the first conductive rail and the second conductive rail; forming a third conductive rail and a fourth conductive rail at opposite sides of the first logic cell, respectively; and forming a plurality of second conductive rails between the third conductive rail and the fourth conductive rail. An amount of the plurality of second conductive rails is larger than an amount of the plurality of first conductive rails.Type: GrantFiled: December 12, 2022Date of Patent: December 10, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: You-Cheng Xiao, Jhih-Siang Hu, Ru-Yu Wang, Jung-Hsuan Chen, Ting-Wei Chiang
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Patent number: 12166073Abstract: The invention relates to a vertical compound semiconductor structure having a substrate with a first main surface and an opposite second main surface, a vertical channel opening extending completely through the substrate between the first main surface and the second main surface and a layer stack arranged within the vertical channel opening. The layer stack includes an electrically conductive layer arranged within the vertical channel opening and a compound semiconductor layer arranged within the vertical channel opening. The compound semiconductor layer includes a compound semiconductor layer arranged on the electrically conductive layer and connected galvanically to the electrically conductive layer. Further, the invention relates to a method for producing such a vertical compound semiconductor structure.Type: GrantFiled: February 17, 2023Date of Patent: December 10, 2024Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Peter Ramm, Armin Klumpp
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Patent number: 12166003Abstract: A transistor amplifier includes a semiconductor layer structure comprising first and second major surfaces and a plurality of unit cell transistors on the first major surface that are electrically connected in parallel, each unit cell transistor comprising a gate finger coupled to a gate manifold, a drain finger coupled to a drain manifold, and a source finger. The semiconductor layer structure is free of a via to the source fingers on the second major surface.Type: GrantFiled: September 11, 2020Date of Patent: December 10, 2024Assignee: MACOM Technology Solutions Holdings, Inc.Inventors: Basim Noori, Marvin Marbell, Scott Sheppard, Kwangmo Chris Lim, Alexander Komposch, Qianli Mu
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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: 12154940Abstract: A stacked staggered electrode capacitor in semiconductor devices and methods for fabrication. There are capacitor elements each with a cathode vertically disposed relative to an anode, an anode conductive plating on the anode and a cathode conductive plating on the anode. The anode conductive plating is in a laterally offset relationship to the cathode conductive plating. The plurality of capacitor elements are stacked onto another. One or more build-up layers are interposed between the capacitor elements. One or more anode connecting electrode segments are on a first side of the plurality of capacitor elements, and a cathode connecting electrode on an opposed second side of the plurality of capacitor elements is connected to the cathode conductive plating of each of the plurality of capacitor elements.Type: GrantFiled: February 16, 2024Date of Patent: November 26, 2024Assignee: Saras Micro Devices, Inc.Inventors: Richard P. Sheridan, Courtney Timms