Patents by Inventor PO-WEI WANG
PO-WEI WANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250234602Abstract: A semiconductor device and a method of fabricating the semiconductor device are disclosed. The method includes forming a nanostructured layer on a substrate, forming a gate structure surrounding the nanostructured layer, forming a S/D region adjacent to the nanostructured layer, forming a contact opening on the S/D region, depositing a first conductive layer in the contact opening using a first deposition process, performing a plasma etch process on the first conductive layer, depositing a second conductive layer on the first conductive layer using a second deposition process different from the first deposition process, and depositing a metal layer on the second conductive layer.Type: ApplicationFiled: January 12, 2024Publication date: July 17, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Cheng HUNG, Yen-Hsung HO, Shan Chun YANG, Yu-Ting LIN, Po-Wei WANG, Tai-Ting SU
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Patent number: 12252777Abstract: A physical vapor deposition (PVD) system is provided. The PVD system includes a PVD chamber defining a PVD volume within which a target material of a target is deposited onto a wafer. The PVD system includes the target in the PVD chamber. The target is configured to overlie the wafer. An edge of the target extends from a first surface of the target to a second surface of the target, opposite the first surface of the target. A first portion of the edge of the target has a first surface roughness. The first portion of the edge of the target extends at most about 6 millimeters from the first surface of the target to a second portion of the edge of the target. The second portion of the edge of the target has a second surface roughness less than the first surface roughness.Type: GrantFiled: May 7, 2021Date of Patent: March 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Sheng-Ying Wu, Ming-Hsien Lin, Po-Wei Wang, Hsiao-Feng Lu
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Publication number: 20250048649Abstract: A semiconductor device includes a sense amplifier, a first magnetic tunneling junction (MTJ) connected to the sense amplifier at a first distance, a second MTJ connected to the sense amplifier at a second distance, and a third MTJ connected to the sense amplifier at a third distance. Preferably, the first distance is less than the second distance, the second distance is less than the third distance, a critical dimension of the first MTJ is less than a critical dimension of the second MTJ, and the critical dimension of the second MTJ is less than a critical dimension of the third MTJ.Type: ApplicationFiled: October 17, 2024Publication date: February 6, 2025Applicant: UNITED MICROELECTRONICS CORP.Inventors: Po-Wei Wang, Yi-An Shih, Huan-Chi Ma
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Publication number: 20240413233Abstract: A GaN-based semiconductor device includes a substrate; a GaN channel layer disposed on the substrate; a AlGaN layer disposed on the GaN channel layer; a p-GaN gate layer disposed on the AlGaN layer; and a nitrogen-rich TiN hard mask layer disposed on the p-GaN gate layer. The nitrogen-rich TiN hard mask layer has a nitrogen-to-titanium (N/Ti) ratio that is greater than 1.0. A gate electrode layer is disposed on the nitrogen-rich TiN hard mask layer.Type: ApplicationFiled: July 13, 2023Publication date: December 12, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Yi-Chuan Chen, Po-Wei Wang, Huan-Chi Ma, Chien-Wen Yu
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Patent number: 12156408Abstract: A semiconductor device includes a sense amplifier, a first magnetic tunneling junction (MTJ) connected to the sense amplifier at a first distance, a second MTJ connected to the sense amplifier at a second distance, and a third MTJ connected to the sense amplifier at a third distance. Preferably, the first distance is less than the second distance, the second distance is less than the third distance, a critical dimension of the first MTJ is less than a critical dimension of the second MTJ, and the critical dimension of the second MTJ is less than a critical dimension of the third MTJ.Type: GrantFiled: November 21, 2023Date of Patent: November 26, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Po-Wei Wang, Yi-An Shih, Huan-Chi Ma
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Publication number: 20240376592Abstract: A physical vapor deposition (PVD) system is provided. The PVD system includes a PVD chamber defining a PVD volume within which a target material of a target is deposited onto a wafer. The PVD system includes the target in the PVD chamber. The target is configured to overlie the wafer. An edge of the target extends from a first surface of the target to a second surface of the target, opposite the first surface of the target. A first portion of the edge of the target has a first surface roughness. The first portion of the edge of the target extends at most about 6 millimeters from the first surface of the target to a second portion of the edge of the target. The second portion of the edge of the target has a second surface roughness less than the first surface roughness.Type: ApplicationFiled: July 25, 2024Publication date: November 14, 2024Inventors: Sheng-Ying WU, Ming-Hsien LIN, Po-Wei WANG, Hsiao-Feng LU
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Publication number: 20240371626Abstract: A method, comprising: providing an adjustable distributor assembly disposed within a showerhead configured to provide selectively adjustable openings through which a cleaning material passes; determining an initial value of a configurable parameter of an adjustable distributor assembly; performing an amount/thickness measurement of a layer including polymeric residues and metal oxide deposits at a cleaning surface of a wafer by a monitoring device; determining whether a variation in the amount/thickness measurement is within an acceptable range; and in response to the variation in the amount/thickness measurement that is not within the acceptable range, automatically adjusting the configurable parameter of the adjustable distributor assembly to set the variation in the amount/thickness measurement within the acceptable range so that the cleaning material that passes through the selectively adjustable openings of the adjustable distributor assembly reduces metal oxide deposits.Type: ApplicationFiled: July 15, 2024Publication date: November 7, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Po-Wei WANG, Chao-Hsing LAI, Hsiao-Feng LU
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Patent number: 12080545Abstract: A method, comprising: providing an adjustable distributor assembly disposed within a showerhead configured to provide selectively adjustable openings through which a cleaning material passes; determining an initial value of a configurable parameter of an adjustable distributor assembly; performing an amount/thickness measurement of a layer including polymeric residues and metal oxide deposits at a cleaning surface of a wafer by a monitoring device; determining whether a variation in the amount/thickness measurement is within an acceptable range; and in response to the variation in the amount/thickness measurement that is not within the acceptable range, automatically adjusting the configurable parameter of the adjustable distributor assembly to set the variation in the amount/thickness measurement within the acceptable range so that the cleaning material that passes through the selectively adjustable openings of the adjustable distributor assembly reduces metal oxide deposits.Type: GrantFiled: July 31, 2023Date of Patent: September 3, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Po-Wei Wang, Chao-Hsing Lai, Hsiao-Feng Lu
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Publication number: 20240183025Abstract: Embodiments of the present disclosure provide a substrate processing system. In one embodiment, the system includes a chamber, a target disposed within the chamber, a magnetron disposed proximate the target, a pedestal disposed within the chamber, and a first gas injector disposed at a sidewall of the chamber. The first gas injector includes a first gas channel extending through a body of the first gas injector, the first gas channel has a first gas outlet. The first gas injector also includes a second gas channel extending through the body of the first gas injector, wherein the second gas channel has a second gas outlet. The second gas channel includes a first portion, and a second portion branching off from an end of the first portion, wherein the second portion is disposed at an angle with respect to the first portion, and the first gas injector is operable to rotate about a longitudinal center axis of the body of the first gas injector.Type: ApplicationFiled: January 5, 2024Publication date: June 6, 2024Inventors: Po-Wei WANG, Chao-Hsing LAI
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Publication number: 20240090233Abstract: A semiconductor device includes a sense amplifier, a first magnetic tunneling junction (MTJ) connected to the sense amplifier at a first distance, a second MTJ connected to the sense amplifier at a second distance, and a third MTJ connected to the sense amplifier at a third distance. Preferably, the first distance is less than the second distance, the second distance is less than the third distance, a critical dimension of the first MTJ is less than a critical dimension of the second MTJ, and the critical dimension of the second MTJ is less than a critical dimension of the third MTJ.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Po-Wei Wang, Yi-An Shih, Huan-Chi Ma
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Patent number: 11885008Abstract: Embodiments of the present disclosure provide a substrate processing system. In one embodiment, the system includes a chamber, a target disposed within the chamber, a magnetron disposed proximate the target, a pedestal disposed within the chamber, and a first gas injector disposed at a sidewall of the chamber. The first gas injector includes a first gas channel extending through a body of the first gas injector, the first gas channel has a first gas outlet. The first gas injector also includes a second gas channel extending through the body of the first gas injector, wherein the second gas channel has a second gas outlet. The second gas channel includes a first portion, and a second portion branching off from an end of the first portion, wherein the second portion is disposed at an angle with respect to the first portion, and the first gas injector is operable to rotate about a longitudinal center axis of the body of the first gas injector.Type: GrantFiled: February 13, 2023Date of Patent: January 30, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Po-Wei Wang, Chao-Hsing Lai
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Patent number: 11871585Abstract: A semiconductor device includes a sense amplifier, a first magnetic tunneling junction (MTJ) connected to the sense amplifier at a first distance, a second MTJ connected to the sense amplifier at a second distance, and a third MTJ connected to the sense amplifier at a third distance. Preferably, the first distance is less than the second distance, the second distance is less than the third distance, a critical dimension of the first MTJ is less than a critical dimension of the second MTJ, and the critical dimension of the second MTJ is less than a critical dimension of the third MTJ.Type: GrantFiled: July 29, 2021Date of Patent: January 9, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Po-Wei Wang, Yi-An Shih, Huan-Chi Ma
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Publication number: 20230377871Abstract: A method, comprising: providing an adjustable distributor assembly disposed within a showerhead configured to provide selectively adjustable openings through which a cleaning material passes; determining an initial value of a configurable parameter of an adjustable distributor assembly; performing an amount/thickness measurement of a layer including polymeric residues and metal oxide deposits at a cleaning surface of a wafer by a monitoring device; determining whether a variation in the amount/thickness measurement is within an acceptable range; and in response to the variation in the amount/thickness measurement that is not within the acceptable range, automatically adjusting the configurable parameter of the adjustable distributor assembly to set the variation in the amount/thickness measurement within the acceptable range so that the cleaning material that passes through the selectively adjustable openings of the adjustable distributor assembly reduces metal oxide deposits.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Po-Wei WANG, Chao-Hsing LAI, Hsiao-Feng LU
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Patent number: 11769659Abstract: A device for cleaning a wafer in a semiconductor manufacturing apparatus includes a showerhead and an adjustable distributor assembly. The showerhead is disposed over a wafer stage within a cleaning chamber and configured to eject cleaning material through the showerhead towards a cleaning surface of a wafer. The adjustable distributor assembly is disposed within the showerhead through which the cleaning material passes. The adjustable distributor assembly includes a base sheet and a plurality of control sheets. The base sheet includes base openings, and the plurality of control sheets include control openings and are configured to slidably mate with the base sheet to provide selectively adjustable openings.Type: GrantFiled: August 27, 2021Date of Patent: September 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Po-Wei Wang, Chao-Hsing Lai, Hsiao-Feng Lu
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Patent number: 11748627Abstract: A system for applying a neural network to an input instance. The neural network includes an optimization layer for determining values of one or more output neurons from values of one or more input neurons by a joint optimization parametrized by one or more parameters. An input instance is obtained. The values of the one or more input neurons to the optimization layer are obtained and input vectors for the one or more input neurons are determined therefrom. Output vectors for the one or more output neurons are computed from the determined input vectors by jointly optimizing at least the output vectors with respect to the input vectors to solve a semidefinite program defined by the one or more parameters. The values of the one or more output neurons are determined from the respective computed output vectors.Type: GrantFiled: May 12, 2020Date of Patent: September 5, 2023Assignees: ROBERT BOSCH GMBH, CARNEGIE MELLON UNIVERSITYInventors: Csaba Domokos, Jeremy Zieg Kolter, Po-Wei Wang, Priya L. Donti
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Patent number: 11699076Abstract: A system and computer implemented method for learning rules from a data base including entities and relations between the entities, wherein an entity is either a constant or a numerical value, and a relation between a constant and a numerical value is a numerical relation and a relation between two constants is a non-numerical relation. The method includes: deriving aggregate values from said numerical and/or non-numerical relations; deriving non-numerical relations from said aggregate values; adding said derived non-numerical relations to the data base; constructing differentiable operators, wherein a differentiable operator refers to a non-numerical or a derived non-numerical relation of the data base, and extracting rules from said differentiable operators.Type: GrantFiled: August 14, 2020Date of Patent: July 11, 2023Assignees: ROBERT BOSCH GMBH, CARNEGIE MELLON UNIVERSITYInventors: Csaba Domokos, Daria Stepanova, Jeremy Zieg Kolter, Po-Wei Wang
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Publication number: 20230183855Abstract: Embodiments of the present disclosure provide a substrate processing system. In one embodiment, the system includes a chamber, a target disposed within the chamber, a magnetron disposed proximate the target, a pedestal disposed within the chamber, and a first gas injector disposed at a sidewall of the chamber. The first gas injector includes a first gas channel extending through a body of the first gas injector, the first gas channel has a first gas outlet. The first gas injector also includes a second gas channel extending through the body of the first gas injector, wherein the second gas channel has a second gas outlet. The second gas channel includes a first portion, and a second portion branching off from an end of the first portion, wherein the second portion is disposed at an angle with respect to the first portion, and the first gas injector is operable to rotate about a longitudinal center axis of the body of the first gas injector.Type: ApplicationFiled: February 13, 2023Publication date: June 15, 2023Inventors: PO-WEI WANG, Chao-Hsing LAI
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Patent number: 11608566Abstract: A high resistance virtual anode for an electroplating cell includes a first layer and a second layer. The first layer includes a plurality of first holes through the first layer. The second layer is over the first layer and includes a plurality of second holes through the second layer.Type: GrantFiled: June 29, 2020Date of Patent: March 21, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Po-Wei Wang, Chun-Lin Chang
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Publication number: 20230060764Abstract: A device for cleaning a wafer in a semiconductor manufacturing apparatus includes a showerhead and an adjustable distributor assembly. The showerhead is disposed over a wafer stage within a cleaning chamber and configured to eject cleaning material through the showerhead towards a cleaning surface of a wafer. The adjustable distributor assembly is disposed within the showerhead through which the cleaning material passes. The adjustable distributor assembly includes a base sheet and a plurality of control sheets. The base sheet includes base openings, and the plurality of control sheets include control openings and are configured to slidably mate with the base sheet to provide selectively adjustable openings.Type: ApplicationFiled: August 27, 2021Publication date: March 2, 2023Inventors: Po-Wei WANG, Chao-Hsing LAI, Hsiao-Feng LU
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Patent number: 11587237Abstract: A system for controlling a physical system via segmentation of an image includes a controller. The controller may be configured to receive an image of n pixels from a first sensor, and an annotation of the image from a second sensor, form a coupling matrix, k class vectors each of length n, and a bias coefficient based on the image and the annotation, generate n pixel vectors each of length n based on the coupling matrix, class vectors, and bias coefficient create a single segmentation vector of length n from the pixel vectors wherein each entry in the segmentation vector identifies one of the k class vectors, output the single segmentation vector; and operate the physical system based on the single segmentation vector.Type: GrantFiled: November 30, 2020Date of Patent: February 21, 2023Inventors: Devin T. Willmott, Chirag Pabbaraju, Po-Wei Wang, Jeremy Kolter