Patents by Inventor Cheng-Hua Yang
Cheng-Hua Yang 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: 11958789Abstract: A method for determining a consistency coefficient of a power-law cement grout includes: determining a water-cement ratio of the power-law cement grout; according to engineering practice requirements, determining a time required to determine the consistency coefficient of the power-law cement grout; and obtaining the consistency coefficient of the power-law cement grout. The method is accurate and reliable, requires less calculation, etc.; and has very high practical value and popularization value in environmental protection and ecological restoration.Type: GrantFiled: December 12, 2023Date of Patent: April 16, 2024Assignee: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Zhi-quan Yang, Jun-fan Xiong, Ying-yan Zhu, Yi Yang, Yong-shun Han, Muhammad Asif Khan, Jian-bin Xie, Tian-bing Xiang, Bi-hua Zhang, Han-hua Xu, Jie Zhang, Shen-zhang Liu, Qi-jun Jia, Cheng-yin Ye, Gang Li
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Publication number: 20230268437Abstract: A power device includes a substrate, an ion well in the substrate, a body region in the ion well, a source doped region in the body region, a drain doped region in the ion well, and gates on the substrate between the source doped region and the drain doped region. The gates include a first gate adjacent to the source doped region, a second gate adjacent to the drain doped region, and a stacked gate structure between the first gate and the second gate.Type: ApplicationFiled: March 24, 2022Publication date: August 24, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Chih-Chien Chang, Shen-De Wang, Cheng-Hua Yang, LINGGANG FANG, JIANJUN YANG, Wei Ta
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Publication number: 20230215946Abstract: A semiconductor device includes a semiconductor substrate, a gate structure, a source region, a drain region, a first oxide layer, a field plate, and a second oxide layer. The gate structure is disposed on the semiconductor substrate. The source region and the drain region are disposed in the semiconductor substrate and located at two opposite sides of the gate structure respectively. The first oxide layer includes a first portion disposed between the gate structure and the semiconductor substrate and a second portion disposed between the gate structure and the drain region. The field plate is partly disposed above the gate structure and partly disposed above the second portion of the first oxide layer. The second oxide layer includes a first portion disposed between the field plate and the gate structure and a second portion disposed between the field plate and the second portion of the first oxide layer.Type: ApplicationFiled: March 13, 2023Publication date: July 6, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Cheng-Hua Yang, Chih-Chien Chang, Shen-De Wang
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Patent number: 11631766Abstract: A semiconductor device includes a semiconductor substrate, a gate structure, a source region, a drain region, a first oxide layer, a field plate, and a second oxide layer. The gate structure is disposed on the semiconductor substrate. The source region and the drain region are disposed in the semiconductor substrate and located at two opposite sides of the gate structure respectively. The first oxide layer includes a first portion disposed between the gate structure and the semiconductor substrate and a second portion disposed between the gate structure and the drain region. The field plate is partly disposed above the gate structure and partly disposed above the second portion of the first oxide layer. The second oxide layer includes a first portion disposed between the field plate and the gate structure and a second portion disposed between the field plate and the second portion of the first oxide layer.Type: GrantFiled: April 12, 2021Date of Patent: April 18, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Cheng-Hua Yang, Chih-Chien Chang, Shen-De Wang
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Publication number: 20220310839Abstract: A semiconductor device includes a semiconductor substrate, a gate structure, a source region, a drain region, a first oxide layer, a field plate, and a second oxide layer. The gate structure is disposed on the semiconductor substrate. The source region and the drain region are disposed in the semiconductor substrate and located at two opposite sides of the gate structure respectively. The first oxide layer includes a first portion disposed between the gate structure and the semiconductor substrate and a second portion disposed between the gate structure and the drain region. The field plate is partly disposed above the gate structure and partly disposed above the second portion of the first oxide layer. The second oxide layer includes a first portion disposed between the field plate and the gate structure and a second portion disposed between the field plate and the second portion of the first oxide layer.Type: ApplicationFiled: April 12, 2021Publication date: September 29, 2022Inventors: Cheng-Hua Yang, Chih-Chien Chang, Shen-De Wang
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Patent number: 10692720Abstract: Embodiments of the present disclosure may be used for patterning a layer in a 5 nm node or beyond fabrication to achieve an end-to-end distance below 35 nm. Compared to the state of the art technology, embodiments of the present disclosure reduce cycle time and cost of production from three lithographic processes and four etching processes to one lithographic process and three etch processes.Type: GrantFiled: November 11, 2019Date of Patent: June 23, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yu-Lien Huang, Tsai-Chun Li, Huan-Just Lin, Huang-Ming Chen, Yang-Cheng Wu, Cheng-Hua Yang
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Patent number: 10651183Abstract: A manufacturing method of a semiconductor device includes: providing a substrate having memory and high voltage regions; sequentially forming a floating gate layer and a hard mask layer on the substrate; patterning the hard mask layer to form a first opening exposing a portion of the floating gate layer in the range of the memory region; patterning the hard mask layer and the floating gate layer to form a second opening overlapped with the high voltage region; performing a first thermal growth process to simultaneously form a first oxide structure on the portion of the floating gate layer exposed by the first opening, and to form a second oxide structure on a portion of the substrate overlapped with the second opening; removing the hard mask layer; and patterning the floating gate layer by using the first oxide structure as a mask.Type: GrantFiled: December 14, 2018Date of Patent: May 12, 2020Assignee: United Microelectronics Corp.Inventors: Jianjun Yang, Cheng-Hua Yang, Fan-Chi Meng, Chih-Chien Chang, Shen-De Wang
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Publication number: 20200083046Abstract: Embodiments of the present disclosure may be used for patterning a layer in a 5 nm node or beyond fabrication to achieve an end-to-end distance below 35 nm. Compared to the state of the art technology, embodiments of the present disclosure reduce cycle time and cost of production from three lithographic processes and four etching processes to one lithographic process and three etch processes.Type: ApplicationFiled: November 11, 2019Publication date: March 12, 2020Inventors: Yu-Lien Huang, Tsai-Chun Li, Huan-Just Lin, Huang-Ming Chen, Yang-Cheng Wu, Cheng-Hua Yang
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Patent number: 10504729Abstract: Embodiments of the present disclosure may be used for patterning a layer in a 5 nm node or beyond fabrication to achieve an end-to-end distance below 35 nm. Compared to the state of the art technology, embodiments of the present disclosure reduce cycle time and cost of production from three lithographic processes and four etching processes to one lithographic process and three etch processes.Type: GrantFiled: May 3, 2019Date of Patent: December 10, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yu-Lien Huang, Tsai-Chun Li, Huan-Just Lin, Huang-Ming Chen, Yang-Cheng Wu, Cheng-Hua Yang
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Publication number: 20190259613Abstract: Embodiments of the present disclosure may be used for patterning a layer in a 5 nm node or beyond fabrication to achieve an end-to-end distance below 35 nm. Compared to the state of the art technology, embodiments of the present disclosure reduce cycle time and cost of production from three lithographic processes and four etching processes to one lithographic process and three etch processes.Type: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Inventors: Yu-Lien Huang, Tsai-Chun Li, Huan-Just Lin, Huang-Ming Chen, Yang-Cheng Wu, Cheng-Hua Yang
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Patent number: 10312089Abstract: Embodiments of the present disclosure may be used for patterning a layer in a 5 nm node or beyond fabrication to achieve an end-to-end distance below 35 nm. Compared to the state of the art technology, embodiments of the present disclosure reduce cycle time and cost of production from three lithographic processes and four etching processes to one lithographic process and three etch processes.Type: GrantFiled: March 16, 2018Date of Patent: June 4, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yu-Lien Huang, Tsai-Chun Li, Huan-Just Lin, Huang-Ming Chen, Yang-Cheng Wu, Cheng-Hua Yang
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Publication number: 20190164759Abstract: Embodiments of the present disclosure may be used for patterning a layer in a 5 nm node or beyond fabrication to achieve an end-to-end distance below 35 nm. Compared to the state of the art technology, embodiments of the present disclosure reduce cycle time and cost of production from three lithographic processes and four etching processes to one lithographic process and three etch processes.Type: ApplicationFiled: March 16, 2018Publication date: May 30, 2019Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yu-Lien HUANG, Tsai-Chun LI, Huan-Just LIN, Huang-Ming CHEN, Yang-Cheng WU, Cheng-Hua YANG
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Patent number: 10276652Abstract: A schottky diode includes a schottky junction, an ohmic junction, a first isolation structure and a plurality of doped regions. The schottky junction includes a first well in a substrate and a first electrode contacting the first well. The ohmic junction includes a junction region in the first well and a second electrode contacting the junction region. The first isolation structure is disposed in the substrate and separates the schottky junction from the ohmic junction. The doped regions are located in the first well and under the schottky junction, wherein the doped regions separating from each other constitute a top-view profile of concentric circles.Type: GrantFiled: June 11, 2018Date of Patent: April 30, 2019Assignee: UNITED MICROELECTRONICS CORP.Inventors: Cheng-Hua Yang, Ke-Feng Lin, Ming-Tsung Lee, Shih-Teng Huang, Chih-Chung Wang, Chiu-Te Lee, Shu-Wen Lin
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Patent number: 10050149Abstract: A method of forming a semiconductor device includes forming a source/drain region and spacers on a substrate. The method further includes forming an etch stop layer on the spacers and the source/drain region and forming a gate structure between the spacers. The method further includes etching back the gate structure, etching back the spacers and the etch back layer, and forming a gate capping structure on the etched back gate structure, spacers, and etch stop layer.Type: GrantFiled: May 18, 2017Date of Patent: August 14, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yu-Lien Huang, Tsai-Chun Li, Ching-Feng Fu, Ming-Huan Tsai, D. T. Lee, Cheng-Hua Yang, Yi-Chen Lo
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Patent number: 9391197Abstract: A semiconductor device includes a substrate; a deep well region disposed in the substrate; an element region disposed in the substrate and in the deep well region; a drain region disposed in the substrate, in the deep well region, and surrounding the element region; a gate structure disposed on the surface of the substrate, adjacent to the deep well region, and surrounding the drain region; a well region disposed in the substrate, in the deep well region, and surrounding the gate structure; a source region disposed in the substrate, in the well region, and surrounding the gate structure; a body contact region disposed separately from the source region in the well region and surrounding the source region; and an annular doped region disposed separately from the deep well region in the substrate and surrounding the deep well region.Type: GrantFiled: August 11, 2015Date of Patent: July 12, 2016Assignee: UNITED MICROELECTRONICS CORPORATIONInventors: Shih Chieh Pu, Ming-Tsung Lee, Cheng-Hua Yang, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
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Patent number: 9224859Abstract: A high voltage metal-oxide-semiconductor (HV MOS) device includes a substrate including a first conductivity type, a gate positioned on the substrate, a drain region formed in the substrate, the drain region including a second conductivity type, and a source region formed in the substrate, where the source region includes at least one first part and at least one second part, the first part includes the second conductivity type, the second part includes the first conductivity type, and the first conductivity type and the second conductivity type are complementary.Type: GrantFiled: January 6, 2015Date of Patent: December 29, 2015Assignee: UNITED MICROELECTRONICS CORP.Inventors: Shih-Chieh Pu, Ming-Tsung Lee, Cheng-Hua Yang, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
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Patent number: 9105493Abstract: A layout pattern of a high voltage metal-oxide-semiconductor transistor device includes a first doped region having a first conductivity type, a second doped region having the first conductivity type, and an non-continuous doped region formed in between the first doped region and the second doped region. The non-continuous doped region further includes a plurality of third doped regions, a plurality of gaps, and a plurality of fourth doped regions. The gaps and the third doped regions s are alternately arranged, and the fourth doped regions are formed in the gaps. The third doped regions include a second conductivity type complementary to the first conductivity type, and the fourth doped regions include the first conductivity type.Type: GrantFiled: May 21, 2012Date of Patent: August 11, 2015Assignee: UNITED MICROELECTRONICS CORP.Inventors: Ming-Tsung Lee, Cheng-Hua Yang, Wen-Fang Lee, Chih-Chung Wang, Te-Yuan Wu
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Patent number: 8937352Abstract: A layout pattern of an implant layer includes at least a linear region and at least a non-linear region. The linear region includes a plurality of first patterns to accommodate first dopants and the non-linear region includes a plurality of second patterns to accommodate the first dopants. The linear region abuts the non-linear region. Furthermore, a pattern density of the first patterns in the linear region is smaller than a pattern density of the second patterns in the non-linear region.Type: GrantFiled: February 17, 2014Date of Patent: January 20, 2015Assignee: United Microelectronics Corp.Inventors: Ming-Tsung Lee, Cheng-Hua Yang, Wen-Fang Lee, Chih-Chung Wang, Chih-Wei Hsu, Po-Ching Chuang
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Publication number: 20140159155Abstract: A layout pattern of an implant layer includes at least a linear region and at least a non-linear region. The linear region includes a plurality of first patterns to accommodate first dopants and the non-linear region includes a plurality of second patterns to accommodate the first dopants. The linear region abuts the non-linear region. Furthermore, a pattern density of the first patterns in the linear region is smaller than a pattern density of the second patterns in the non-linear region.Type: ApplicationFiled: February 17, 2014Publication date: June 12, 2014Applicant: UNITED MICROELECTRONICS CORP.Inventors: Ming-Tsung Lee, Cheng-Hua Yang, Wen-Fang Lee, Chih-Chung Wang, Chih-Wei Hsu, Po-Ching Chuang
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Patent number: 8692326Abstract: A layout pattern of a high voltage metal-oxide-semiconductor transistor device includes a first doped region having a first conductivity type, a second doped region having the first conductivity type, and an non-continuous doped region formed in between the first doped region and the second doped region. The non-continuous doped region includes a plurality of gaps formed therein. The non-continuous doped region further includes a second conductivity type complementary to the first conductivity type.Type: GrantFiled: February 28, 2012Date of Patent: April 8, 2014Assignee: United Microelectronics Corp.Inventors: Ming-Tsung Lee, Cheng-Hua Yang, Wen-Fang Lee, Chih-Chung Wang, Chih-Wei Hsu, Po-Ching Chuang