Patents by Inventor Li-Yen CHEN
Li-Yen CHEN 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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Patent number: 12002684Abstract: A method for CMP includes following operations. A metal stack is received. The metal layer stack includes at least a first metal layer and a second metal layer, and a top surface of the first metal layer and a top surface of the second metal layer are exposed. A protecting layer is formed over the second metal layer. A portion of the first metal layer is etched. The protecting layer protects the second metal layer during the etching of the portion of the first metal layer. A top surface of the etched first metal layer is lower than a top surface of the protecting layer. The protecting layer is removed from the second metal layer.Type: GrantFiled: November 21, 2022Date of Patent: June 4, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Ji Cui, Fu-Ming Huang, Ting-Kui Chang, Tang-Kuei Chang, Chun-Chieh Lin, Wei-Wei Liang, Liang-Guang Chen, Kei-Wei Chen, Hung Yen, Ting-Hsun Chang, Chi-Hsiang Shen, Li-Chieh Wu, Chi-Jen Liu
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Publication number: 20240167185Abstract: A composite metal foil and a method of manufacturing the same are provided. The composite metal foil includes at least a first metal layer and a second metal layer. The first metal layer is copper foil, nickel foil, stainless steel foil, or a combination thereof. The second metal layer is disposed on a surface of the first metal layer. A contact angle of a surface of the second metal layer to liquid lithium metal is lower than 90 degrees.Type: ApplicationFiled: January 18, 2023Publication date: May 23, 2024Applicant: Industrial Technology Research InstituteInventors: Chiu-Yen Chiu, Li-Ju Chen, Sheng-Hui Wu, Chia-Chen Fang
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Publication number: 20240161818Abstract: The invention provides a layout pattern of static random access memory (SRAM), which at least comprises a plurality of gate structures located on a substrate and spanning the plurality of fin structures to form a plurality of transistors distributed on the substrate, wherein the plurality of transistors comprise two pull-up transistors (PU), two pull-down transistors (PD) to form a latch circuit, and two access transistors (PG) connected to the latch circuit. In each SRAM memory cell, the fin structure included in the pull-up transistor (PU) is defined as a PU fin structure, the fin structure included in the pull-down transistor (PD) is defined as a PD fin structure, and the fin structure included in the access transistor (PG) is defined as a PG fin structure, wherein a width of the PD fin structure is wider than a width of the PG fin structure.Type: ApplicationFiled: November 30, 2022Publication date: May 16, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Chun-Hsien Huang, Yu-Tse Kuo, Shu-Ru Wang, Li-Ping Huang, Yu-Fang Chen, Chun-Yen Tseng, Tzu-Feng Chang, Chun-Chieh Chang
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Patent number: 11982944Abstract: A method of lithography process is provided. The method includes forming a conductive layer over a reticle. The method includes applying ionized particles to the reticle by a discharging device. The method includes forming a photoresist layer over a semiconductor substrate. The method includes securing the semiconductor substrate by a wafer electrostatic-clamp. The method also includes patterning the photoresist layer by emitting radiation from a radiation source via the reticle.Type: GrantFiled: May 31, 2023Date of Patent: May 14, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hsiao-Lun Chang, Chueh-Chi Kuo, Tsung-Yen Lee, Tzung-Chi Fu, Li-Jui Chen, Po-Chung Cheng, Che-Chang Hsu
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Publication number: 20240150592Abstract: Provided is a photocurable conductive black composition including: (a) at least one (meth)acrylate-functionalized urethane oligomer; (b) at least one photopolymerizable compound; (c) a photoinitiator; (d) a visible-light blocking system; (e) conductive fillers; and optionally (f) a thermal initiator. Also provided are a method for forming a cured product composed of the photocurable conductive black compositions, and an article comprising the cured product.Type: ApplicationFiled: October 24, 2023Publication date: May 9, 2024Inventors: Chien-Ho HUANG, Yi-Ting CHEN, Tsung-Han TSAI, Li-Yen LIN
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Patent number: 11955553Abstract: Embodiments disclosed herein relate to using an implantation process and a melting anneal process performed on a nanosecond scale to achieve a high surface concentration (surface pile up) dopant profile and a retrograde dopant profile simultaneously. In an embodiment, a method includes forming a source/drain structure in an active area on a substrate, the source/drain structure including a first region comprising germanium, implanting a first dopant into the first region of the source/drain structure to form an amorphous region in at least the first region of the source/drain structure, implanting a second dopant into the amorphous region containing the first dopant, and heating the source/drain structure to liquidize and convert at least the amorphous region into a crystalline region, the crystalline region containing the first dopant and the second dopant.Type: GrantFiled: February 24, 2023Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Su-Hao Liu, Kuo-Ju Chen, Wen-Yen Chen, Ying-Lang Wang, Liang-Yin Chen, Li-Ting Wang, Huicheng Chang
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Publication number: 20240088225Abstract: A method includes forming a gate stack on a first portion of a semiconductor substrate, removing a second portion of the semiconductor substrate on a side of the gate stack to form a recess, growing a semiconductor region starting from the recess, implanting the semiconductor region with an impurity, and performing a melt anneal on the semiconductor region. At least a portion of the semiconductor region is molten during the melt anneal.Type: ApplicationFiled: November 14, 2023Publication date: March 14, 2024Inventors: Su-Hao Liu, Wen-Yen Chen, Li-Heng Chen, Li-Ting Wang, Liang-Yin Chen, Huicheng Chang, Yee-Chia Yeo, Ying-Lang Wang
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Patent number: 11915755Abstract: A layout of a semiconductor memory device includes a substrate and a ternary content addressable memory (TCAM). The TCAM is disposed on the substrate and includes a plurality of TCAM bit cells, where at least two of the TCAM bit cells are mirror-symmetrical along an axis of symmetry, and each of the TCAM bit cells includes two storage units electrically connected to two word lines respectively, and a logic circuit electrically connected to the storage units. The logic circuit includes two first reading transistors, and two second reading transistors, where each of the second reading transistors includes a gate and source and drain regions, the source and drain regions of the second reading transistors are electrically connected to two matching lines and the first reading transistors, respectively, where the word lines are disposed parallel to and between the matching lines.Type: GrantFiled: January 20, 2022Date of Patent: February 27, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Chun-Yen Tseng, Yu-Tse Kuo, Shu-Ru Wang, Chun-Hsien Huang, Hsin-Chih Yu, Meng-Ping Chuang, Li-Ping Huang, Yu-Fang Chen
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Publication number: 20190249861Abstract: A pulsed shock light device includes an assembly of a body and a pulsed light module. The body is formed with a flat area and a curved area opposite to the flat area to facilitate gripping thereof by a user. The body includes an energy storage unit and an actuating module electrically connected with the pulsed light module. The pulsed light module includes a light emitting chipset for emitting light with different colors and dual-carrier frequencies and an optical lens assembled with the light emitting chipset. The optical lens allows light to be outputted to form a diameter of an illumination range of about 21 cm˜30 cm at a distance between about 200 cm˜300 cm, which may cover 150%˜200% of the area of a human head, thereby achieving more effective disorienting effects than the prior art.Type: ApplicationFiled: February 13, 2018Publication date: August 15, 2019Inventor: LI-YEN CHEN
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Patent number: 10184621Abstract: The present invention provides a flashlight, and more particularly a flashlight with two different color lights and flicker frequencies. The flashlight comprises an anterior main body having a lamp housing, a posterior main body having a battery holder, a connecting base used to connect with the battery holder, and a starter for turning on/off the flashlight. Wherein the lamp housing is primarily configured to include a light-emitting chipset and a lens, and the battery holder is configured to accommodate a battery for supplying power. The light-emitting chipset of the present invention comprises at least two LED light-emitting chips that can generate different color lights, and a flicker frequency difference between said two different color lights is at least about 50 Hz.Type: GrantFiled: March 4, 2016Date of Patent: January 22, 2019Inventor: Li-Yen Chen
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Publication number: 20180349796Abstract: The present disclosure relates to techniques for data classification. The techniques for data classification may include a machine learning (ML)-based classifier for classification of potentially objectionable content and differentiating responses based on a confidence score and classification category outputted by the ML-based classifier.Type: ApplicationFiled: June 2, 2017Publication date: December 6, 2018Inventors: Tanton Holt Gibbs, Li-yen Chen, Robert Charles Boyle, Betty Yee Man Cheng
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Patent number: 9886969Abstract: A gramophone record includes a main body and a cladding layer. The main body is made of a polymeric material, and has a base surface and an extending surface which extends downward from the base surface. The extending surface defines a continuous spiral groove in the main body. The cladding layer is formed on the extending surface, and has a Hardness Rockwell C (HRC) of not less than 37.Type: GrantFiled: March 22, 2016Date of Patent: February 6, 2018Assignee: ULVAC TAIWAN INC.Inventors: Yun-Hsiang Wei, Chiang-Yao Chen, Tung-Jung Wu, Li-Yen Chen
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Publication number: 20170067605Abstract: The present invention provides a flashlight, and more particularly a flashlight with two different color lights and flicker frequencies. The flashlight comprises an anterior main body having a lamp housing, a posterior main body having a battery holder, a connecting base used to connect with the battery holder, and a starter for turning on/off the flashlight. Wherein the lamp housing is primarily configured to include a light-emitting chipset and a lens, and the battery holder is configured to accommodate a battery for supplying power. The light-emitting chipset of the present invention comprises at least two LED light-emitting chips that can generate different color lights, and a flicker frequency difference between said two different color lights is at least about 50 Hz.Type: ApplicationFiled: March 4, 2016Publication date: March 9, 2017Inventors: SHENG-KUANG KUO, LI-YEN CHEN
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Publication number: 20170049196Abstract: Personal-size instantly-facile light-weight apparatus, configured without umbrella-typical eye-and-face injuring protrusions, the apparatus includes quasi-equatorial membrane structure capable of resting on a person's shoulders, when an attached-thereto arching tensile-supported membrane structure is over the person's head and torso. For use, apparatus unfolds from metastable-flat storage configuration to extended tensile-arched configuration, and user passes his/her head through quasi-equatorial membrane's opening; thereby covering user by overarching membrane structure. Material for overarching membrane may be for rain-shelter, sun-shade, UV-filter, and/or according to heat reflection, absorption, and insulation characteristics. For improved pedestrian safety, apparatus trim is preferably retro-reflective, or fluorescent colored; thus providing proximate motor-vehicle drivers with contrast enhanced visibility of apparatus-wearing children, pedestrians, road workers, traffic officers, and bicycle riders.Type: ApplicationFiled: August 16, 2016Publication date: February 23, 2017Inventors: Chaim Meyer Scheff, Li-Yen Chen
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Publication number: 20160322069Abstract: A gramophone record includes a main body and a cladding layer. The main body is made of a polymeric material, and has a base surface and an extending surface which extends downward from the base surface. The extending surface defines a continuous spiral groove in the main body. The cladding layer is formed on the extending surface, and has a Hardness Rockwell C (HRC) of not less than 37.Type: ApplicationFiled: March 22, 2016Publication date: November 3, 2016Applicant: ULVAC TAIWAN INCInventors: Yun-Hsiang WEI, Chiang-Yao CHEN, Tung-Jung WU, Li-Yen CHEN