Patents by Inventor Shih-Han Lin
Shih-Han Lin 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: 20250120167Abstract: A semiconductor device includes a plurality of semiconductor layers vertically separated from one another, a gate structure that comprises a lower portion and an upper portion, a gate spacer that extends along a sidewall of the upper portion of the gate structure and has a bottom surface, and an etch stop layer extends between the portion of the bottom surface of the gate spacer and the top surface of the topmost semiconductor layer.Type: ApplicationFiled: December 16, 2024Publication date: April 10, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Kuei-Yu Kao, Chao-Cheng Chen, Chih-Han Lin, Chen-Ping Chen, Ming-Ching Chang, Shih-Yao Lin, Chih-Chung Chiu
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Publication number: 20250120151Abstract: A method of fabricating a semiconductor structure includes forming a recess in an active channel structure by removing a portion thereof, filling the recess with a dielectric material, forming a cladding layer adjacent the active channel structure but not adjacent the dielectric material, and forming a gate structure comprising a first gate structure and a second gate structure around the active channel structure. A width of the dielectric material in the recess is greater than a width of the first gate structure and a width of the second gate structure.Type: ApplicationFiled: December 16, 2024Publication date: April 10, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: KUEI-YU KAO, Shih-Yao LIN, Chen-Ping Chen, Chih-Han Lin, MING-CHING CHANG, CHAO-CHENG CHEN
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Publication number: 20250107721Abstract: A pulse pressure measuring apparatus including a plurality of pressing elements, a plurality of pressure sensors, and a processing unit is provided. The pressing elements are used to press the site to be measured, and each pressing element has a position coordinate Pi (i=1, 2, 3 . . . ). The pressure sensors are configured to respectively measure pressure on the pressing elements to generate measured values of pressure intensity Ii (i=1, 2, 3 . . . ) at the position coordinates Pi (i=1, 2, 3 . . . ). The processing unit utilizes the position coordinates Pi (i=1, 2, 3 . . . ) and the measured values of pressure intensity Ii (i=1, 2, 3 . . . ) to determine the blood vessel locus.Type: ApplicationFiled: March 28, 2024Publication date: April 3, 2025Applicant: GUANGZHOU LUXVISIONS INNOVATION TECHNOLOGY LIMITEDInventors: Chih-Ju Lin, Shih-Chieh Yen, Yi-Wei Liu, Wei-Han Wu
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Patent number: 12266715Abstract: A method of fabricating a semiconductor device is disclosed. The method includes forming semiconductor fins on a substrate. A first dummy gate is formed over the semiconductor fins. A recess is formed in the first dummy gate, and the recess is disposed between the semiconductor fins. A dummy fin material is formed in the recess. A portion of the dummy fin material is removed to expose an upper surface of the first dummy gate and to form a dummy fin. A second dummy gate is formed on the exposed upper surface of the first dummy gate.Type: GrantFiled: August 10, 2023Date of Patent: April 1, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shih-Yao Lin, Chen-Ping Chen, Kuei-Yu Kao, Hsiao Wen Lee, Chih-Han Lin
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Publication number: 20250102771Abstract: An imaging lens assembly includes three lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element and a third lens element. Each of the three lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The object-side surface of the second lens element is concave in a paraxial region thereof. At least one surface of at least one lens element in the imaging lens assembly has at least one inflection point.Type: ApplicationFiled: November 3, 2023Publication date: March 27, 2025Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu Jui LIN, Shih-Han CHEN, Guang-Yan LIU, Yu-Han SHIH, Hsin-Hsuan HUANG
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Publication number: 20250107207Abstract: A semiconductor structure includes a semiconductor substrate; fin active regions protruded above the semiconductor substrate; and a gate stack disposed on the fin active regions; wherein the gate stack includes a high-k dielectric material layer, and various metal layers disposed on the high-k dielectric material layer. The gate stack has an uneven profile in a sectional view with a first dimension D1 at a top surface, a second dimension D2 at a bottom surface, and a third dimension D3 at a location between the top surface and the bottom surface, and wherein each of D1 and D2 is greater than D3.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Inventors: Chi-Sheng LAI, Wei-Chung SUN, Yu-Bey WU, Yuan-Ching PENG, Yu-Shan LU, Li-Ting CHEN, Shih-Yao LIN, Yu-Fan PENG, Kuei-Yu KAO, Chih-Han LIN, Jing Yi YAN, Pei-Yi LIU
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Patent number: 12261172Abstract: A method of fabricating a semiconductor device is described. A substrate is provided. A plurality of fins is formed extending from the substrate, the fins including a first group of active fins arranged in an active region, and including an inactive fin having at least a portion in an inactive region, the active fins separated by first trench regions between adjacent of the active regions, the inactive fin separated from its closest active fin by a second trench region, the second trench region having a greater width than that of a trench region of the first trench regions. A dummy fin is formed on the isolation dielectric in the second trench region, the dummy fin disposed between the first group of active fins and the inactive fin. A dummy gate is formed over the fins. The gate isolation structure is disposed between the dummy fin and the inactive fin and separates regions of the dummy gate.Type: GrantFiled: August 28, 2021Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ya-Yi Tsai, Shih-Yao Lin, Chi-Hsiang Chang, Wei-Han Chen, Shu-Yuan Ku
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Patent number: 12261213Abstract: A method includes simultaneously forming a first dummy gate stack and a second dummy gate stack on a first portion and a second portion of a protruding fin, simultaneously removing a first gate electrode of the first dummy gate stack and a second gate electrode of the second dummy gate stack to form a first trench and a second trench, respectively, forming an etching mask, wherein the etching mask fills the first trench and the second trench, patterning the etching mask to remove the etching mask from the first trench, removing a first dummy gate dielectric of the first dummy gate stack, with the etching mask protecting a second dummy gate dielectric of the second dummy gate stack from being removed, and forming a first replacement gate stack and a second replacement gate stack in the first trench and the second trench, respectively.Type: GrantFiled: July 25, 2022Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shih-Yao Lin, Kuei-Yu Kao, Chen-Ping Chen, Chih-Han Lin
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Publication number: 20250089328Abstract: Semiconductor devices and methods for forming the semiconductor devices using a cap layer are provided. The semiconductor devices include a plurality of semiconductor layers vertically separated from one another, a gate structure that comprises a lower portion and an upper portion, wherein the lower portion wraps around each of the plurality of semiconductor layers, and a gate spacer that extends along a sidewall of the upper portion of the gate structure. In some examples, a gap dimension measured between the gate spacer and an adjacent one of the plurality of semiconductor layers is sufficiently small such that the gate structure does not contact the source/drain structures. In some examples, the gate spacer and an adjacent one of the one or more semiconductor layers of the fin structure are separated by a cap layer.Type: ApplicationFiled: September 8, 2023Publication date: March 13, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Kuei-Yu Kao, Shih-Yao Lin, Chiung-Yu Cho, Chih-Han Lin, Ming-Ching Chang
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Publication number: 20250085873Abstract: A memory control circuit includes an access control circuit, a connection pad circuit, and a pad control circuit. The connection pad circuit includes a transceiver circuit and a receiver circuit. The transceiver circuit and the receiver circuit are connected to a memory through an external pad. The pad control circuit is connected between the access control circuit and the receiver circuit. The pad control circuit executes a read command, and receives data from the memory. The pad control circuit executes a write command or receives the data, the pad control circuit turns off the output of the receiver circuit. The access control circuit executes a power save command that the receiver circuit enters a power save mode. The pad control circuit decreases an operating current of the receiver circuit to minimum and forces an internal signal level of the receiver circuit. The receiver circuit enters a deep power save state.Type: ApplicationFiled: September 4, 2024Publication date: March 13, 2025Applicant: REALTEK SEMICONDUCTOR CORP.Inventors: Kuo-Lun Huang, Shih-Han Lin
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Patent number: 12243748Abstract: A method of forming a semiconductor device includes: forming a fin protruding above a substrate; forming isolation regions on opposing sides of the fin; forming a dummy gate over the fin; reducing a thickness of a lower portion of the dummy gate proximate to the isolation regions, where after reducing the thickness, a distance between opposing sidewalls of the lower portion of the dummy gate decreases as the dummy gate extends toward the isolation regions; after reducing the thickness, forming a gate fill material along at least the opposing sidewalls of the lower portion of the dummy gate; forming gate spacers along sidewalls of the dummy gate and along sidewalls of the gate fill material; and replacing the dummy gate with a metal gate.Type: GrantFiled: July 20, 2022Date of Patent: March 4, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shih-Yao Lin, Kuei-Yu Kao, Chih-Han Lin, Ming-Ching Chang, Chao-Cheng Chen
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Patent number: 12230545Abstract: A semiconductor device includes a plurality of channel layers vertically separated from one another. The semiconductor device also includes an active gate structure comprising a lower portion and an upper portion. The lower portion wraps around each of the plurality of channel layers. The semiconductor device further includes a gate spacer extending along a sidewall of the upper portion of the active gate structure. The gate spacer has a bottom surface. Moreover, a dummy gate dielectric layer is disposed between the gate spacer and a topmost channel layer of plurality of channel layers. The dummy gate dielectric layer is in contact with a top surface of the topmost channel layer, the bottom surface of the gate spacer, and the sidewall of the gate structure.Type: GrantFiled: November 30, 2023Date of Patent: February 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Kuei-Yu Kao, Chen-Yui Yang, Hsien-Chung Huang, Chao-Cheng Chen, Shih-Yao Lin, Chih-Chung Chiu, Chih-Han Lin, Chen-Ping Chen, Ke-Chia Tseng, Ming-Ching Chang
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Publication number: 20250051441Abstract: This disclosure relates to protein complexes targeting CD47 and 4-1BB, and methods of use thereof. In one aspect, the protein complexes include one or more CD47-binding domains including all or a portion of the SIRP? extracellular regions, and one or more 4-1BB-binding domains including all or a portion of the 4-1BBL extracellular region.Type: ApplicationFiled: December 9, 2022Publication date: February 13, 2025Inventors: Chun-Yu Lin, Shih-Han Huang, Yi-Chun HSIEH, Chi-Ling Tseng
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Publication number: 20250048678Abstract: A semiconductor device includes plurality of fin structures extending in first direction on semiconductor substrate. Fin structure's lower portion is embedded in first insulating layer. First gate electrode and second gate electrode structures extend in second direction substantially perpendicular to first direction over of fin structures and first insulating layer. The first and second gate electrode structures are spaced apart and extend along line in same direction. First and second insulating sidewall spacers are arranged on opposing sides of first and second gate electrode structures. Each of first and second insulating sidewall spacers contiguously extend along second direction. A second insulating layer is in region between first and second gate electrode structures. The second insulating layer separates first and second gate electrode structures. A third insulating layer is in region between first and second gate electrode structures.Type: ApplicationFiled: October 21, 2024Publication date: February 6, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Han LIN, Shih-Chang TSAI, Wen-Shuo HSIEH, Te-Yung LIU
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Publication number: 20250035890Abstract: An optical lens system includes six lens elements from an object side to an image side, the six lens elements are, in order from the object side to the image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. Each of the six lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The image-side surface of the second lens element is concave in a paraxial region thereof. The third lens element has positive refractive power. The image-side surface of the fourth lens element is concave in a paraxial region thereof. The image-side surface of the sixth lens element includes at least one inflection point.Type: ApplicationFiled: May 31, 2024Publication date: January 30, 2025Inventors: Kuan-Ting YEH, Shih-Han CHEN, Yi-Cheng LIN, Hsin-Hsuan HUANG, Yu-Han SHIH
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Publication number: 20250040214Abstract: A semiconductor fabrication method includes: forming an epitaxial stack including at least one sacrificial epitaxial layer and at least one channel epitaxial layer; forming a plurality of fins in the epitaxial stack; performing tuning operations to prevent a width of the sacrificial epitaxial layer expanding beyond a width of the channel epitaxial layer during operations to form isolation features; forming the isolation features between the plurality of fins, wherein the width of the sacrificial epitaxial layer does not expand beyond the width of the channel epitaxial layer; forming a sacrificial gate stack; forming gate sidewall spacers on sidewalls of the sacrificial gate stack; forming inner spacers around the sacrificial epitaxial layer and the channel epitaxial layer; forming source/drain features; removing the sacrificial gate stack and sacrificial epitaxial layer; and forming a replacement metal gate, wherein the metal gate is shielded from the source/drain features.Type: ApplicationFiled: July 27, 2023Publication date: January 30, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Kuei-Yu Kao, Shih-Yao Lin, Chiung-Yu Cho, Po-Yuan Tseng, Min-Chiao Lin, Chen-Ping Chen, Chih-Han Lin, Ming-Ching Chang
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Patent number: 12211927Abstract: A semiconductor device and method for fabricating a semiconductor device includes etch selectivity tuning to enlarge epitaxy process windows. Through modification of etching processes and careful selection of materials, improvements in semiconductor device yield and performance can be delivered. Etch selectivity is controlled by using dilute gas, using assistive etch chemicals, controlling a magnitude of bias power used in the etching process, and controlling an amount of passivation gas used in the etching process, among other approaches. A recess is formed in a dummy fin in a region of the semiconductor where epitaxial growth occurs to further enlarge the epitaxy process window.Type: GrantFiled: July 26, 2023Date of Patent: January 28, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shih-Yao Lin, Te-Yung Liu, Chih-Han Lin
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Patent number: 12211919Abstract: A semiconductor device includes a plurality of semiconductor layers vertically separated from one another. Each of the plurality of semiconductor layers extends along a first lateral direction. The semiconductor device includes a gate structure that extends along a second lateral direction and comprises at least a lower portion that wraps around each of the plurality of semiconductor layers. The lower portion of the gate structure comprises a plurality of first gate sections that are laterally aligned with the plurality of semiconductor layers, respectively, and wherein each of the plurality of first gate sections has ends that each extend along the second lateral direction and present a first curvature-based profile.Type: GrantFiled: March 7, 2024Date of Patent: January 28, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shih-Yao Lin, Chih-Han Lin, Hsiao Wen Lee
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Patent number: 12206011Abstract: A method includes forming a dummy gate stack, etching the dummy gate stack to form an opening, depositing a first dielectric layer extending into the opening, and depositing a second dielectric layer on the first dielectric layer and extending into the opening. A planarization process is then performed to form a gate isolation region including the first dielectric layer and the second dielectric layer. The dummy gate stack is then removed to form trenches on opposing sides of the gate isolation region. The method further includes performing a first etching process to remove sidewall portions of the first dielectric layer, performing a second etching process to thin the second dielectric layer, and forming replacement gates in the trenches.Type: GrantFiled: July 19, 2023Date of Patent: January 21, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shih-Yao Lin, Chih-Han Lin, Shu-Uei Jang, Ya-Yi Tsai, Shu-Yuan Ku
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Patent number: 12205998Abstract: A device includes a substrate. A first channel region of a first transistor overlies the substrate and a source/drain region is in contact with the first channel region. The source/drain region is adjacent to the first channel region along a first direction, and the source/drain region has a first surface opposite the substrate and side surfaces extending from the first surface. A dielectric fin structure is adjacent to the source/drain region along a second direction that is transverse to the first direction, and the dielectric fin structure has an upper surface, a lower surface, and an intermediate surface that is disposed between the upper and lower surfaces. A silicide layer is disposed on the first surface and the side surfaces of the source/drain region and on the intermediate surface of the dielectric fin structure.Type: GrantFiled: January 14, 2022Date of Patent: January 21, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shih-Cheng Chen, Zhi-Chang Lin, Jung-Hung Chang, Chien-Ning Yao, Tsung-Han Chuang, Kuo-Cheng Chiang, Chih-Hao Wang