Patents by Inventor Po-Cheng Chang
Po-Cheng Chang 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: 20250048764Abstract: An image sensor includes a substrate. The image sensor includes a first photodiode (PD) having a first size in the substrate. The image sensor further includes a second PD having a second size in the substrate, wherein the first size is different from the second size. The image sensor further includes a first layer, wherein the first layer comprises a metal material or a dielectric material, and the first layer defines sidewalls of a first recess aligned with the first PD. The image sensor further includes a second layer in the first recess, wherein a portion of the first layer aligned with the second PD is free of the second layer, and the second layer overhangs the first layer.Type: ApplicationFiled: October 22, 2024Publication date: February 6, 2025Inventors: Po-Han CHEN, Chen-Chu CHEN, Fu-Cheng CHANG, Kuo-Cheng LEE
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Publication number: 20250022943Abstract: A semiconductor device includes a 2-D material channel layer, a gate structure, and source/drain electrodes. The gate structure is over a channel region of the 2-D material channel layer. The source/drain electrodes are over source/drain regions of the 2-D material channel layer, respectively. Each of the source/drain electrodes includes a 2-D material electrode and a metal electrode. The 2-D material electrode is below a bottom surface of a corresponding one of the source/drain regions of the 2-D material channel layer. The metal electrode is over a top surface of the corresponding one of the source/drain regions of the 2-D material channel layer.Type: ApplicationFiled: July 14, 2023Publication date: January 16, 2025Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., NATIONAL TAIWAN UNIVERSITYInventors: Shih-Yen LIN, Po-Cheng TSAI, Che-Jia CHANG
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Publication number: 20250022802Abstract: An integrated circuit (IC) with conductive structures and a method of fabricating the IC are disclosed. The method includes depositing a first dielectric layer on a semiconductor device, forming a conductive structure in the first dielectric layer, removing a portion of the first dielectric layer to expose a sidewall of the conductive structure, forming a barrier structure surrounding the sidewall of the conductive structure, depositing a conductive layer on the barrier structure, and performing a polishing process on the barrier structure and the conductive layer.Type: ApplicationFiled: July 13, 2023Publication date: January 16, 2025Applicant: Taiwan Semiconductor Manufacturing Co., LtdInventors: Tzu Pei Chen, Sung-Li Wang, Shin-Yi Yang, Po-Chin Chang, Yuting Cheng, Chia-Hung Chu, Chun-Hung Liao, Harry CHIEN, Chia-Hao Chang, Pinyen LIN
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Patent number: 11304626Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: GrantFiled: July 10, 2020Date of Patent: April 19, 2022Assignee: Chang Gung UniversityInventors: Wen-Yen Lin, Ming-Yih Lee, Po-Cheng Chang, Wen-Zheng Zhou
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Patent number: 11299629Abstract: A silane-modified polyphenylene ether resin and a preparation method thereof are provided. A polyphenylene ether resin having hydroxyl groups at both ends is reacted with a silane having at least one alkoxy group and at least one vinyl group at the end, so as to obtain the silane-modified polyphenylene ether resin with a vinyl group at the end.Type: GrantFiled: August 19, 2020Date of Patent: April 12, 2022Assignee: Prior Company LimitedInventors: Hong-Hsin Wu, Po-Cheng Chang, Ying-Chen Chen, Cheng-Hsin Tsai
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Patent number: 11013429Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: GrantFiled: December 20, 2018Date of Patent: May 25, 2021Assignee: Chang Gung UniversityInventors: Wen-Yen Lin, Ming-Yih Lee, Po-Cheng Chang, Wen-Zheng Zhou
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Publication number: 20210054207Abstract: A silane-modified polyphenylene ether resin and a preparation method thereof are provided. A polyphenylene ether resin having hydroxyl groups at both ends is reacted with a silane having at least one alkoxy group and at least one vinyl group at the end, so as to obtain the silane-modified polyphenylene ether resin with a vinyl group at the end.Type: ApplicationFiled: August 19, 2020Publication date: February 25, 2021Applicant: Prior Company LimitedInventors: Hong-Hsin Wu, Po-Cheng Chang, Ying-Chen Chen, Cheng-Hsin Tsai
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Publication number: 20200405190Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: ApplicationFiled: July 10, 2020Publication date: December 31, 2020Inventors: WEN-YEN LIN, MING-YIH LEE, PO-CHENG CHANG, WEN-ZHENG ZHOU
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Patent number: 10799151Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: GrantFiled: February 27, 2019Date of Patent: October 13, 2020Assignee: Chang Gung UniversityInventors: Wen-Yen Lin, Ming-Yih Lee, Po-Cheng Chang, Wen-Zheng Zhou
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Publication number: 20190192050Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: ApplicationFiled: February 27, 2019Publication date: June 27, 2019Inventors: WEN-YEN LIN, MING-YIH LEE, PO-CHENG CHANG, WEN-ZHENG ZHOU
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Publication number: 20190125217Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: ApplicationFiled: December 20, 2018Publication date: May 2, 2019Inventors: WEN-YEN LIN, MING-YIH LEE, PO-CHENG CHANG, WEN-ZHENG ZHOU
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Patent number: 10238319Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG. The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: GrantFiled: September 27, 2017Date of Patent: March 26, 2019Assignee: Chang Gung UniversityInventors: Wen-Yen Lin, Ming-Yih Lee, Po-Cheng Chang, Wen-Zheng Zhou
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Publication number: 20180254316Abstract: The invention provides a manufacturing method of a metal-insulator-metal device, including: forming a first metal layer, an insulation layer, and a second metal layer sequentially on a base to form a metal-insulator-metal structure; forming a patterned mask layer on at least a portion of the second metal layer, etching the second metal layer and the insulation layer on which the patterned mask layer is not formed using an etchant without carbon; and cleaning the etched metal-insulator-metal structure using a mixed solution containing oxidants and metal oxide etchants to remove excess polymer remaining on the metal-insulator-metal structure.Type: ApplicationFiled: June 14, 2017Publication date: September 6, 2018Applicant: Powerchip Technology CorporationInventors: Hsin Tai, Po-Cheng Chang, Hui-Chin Huang, Pei-Ting Tou, Ming-Chen Lu
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Publication number: 20180014753Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG. The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: ApplicationFiled: September 27, 2017Publication date: January 18, 2018Inventors: WEN-YEN LIN, MING-YIH LEE, PO-CHENG CHANG, WEN-ZHENG ZHOU
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Patent number: 9833172Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG. The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: GrantFiled: January 12, 2016Date of Patent: December 5, 2017Assignee: Chang Gung UniversityInventors: Wen-Yen Lin, Ming-Yih Lee, Po-Cheng Chang, Wen-Zheng Zhou
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Publication number: 20160235342Abstract: A method to identify feature points associated with the heart valve movement, heart contraction or cardiac hemodynamics is revealed. The mechanocardiography (MCG) is a technology that makes use of vibrational waveforms acquired using at least one gravity sensor attached on one of the four heart valve auscultation sites on the body surface. The data of the electrocardiography (ECG) is recorded simultaneously with the MCG. The feature points are identified by comparing P, R and T points of synchronized ECG with the MCG spectrum. By the time sequences and amplitudes of the feature points, the method provides additional clinical information of cardiac cycle abnormalities for diagnosis.Type: ApplicationFiled: January 12, 2016Publication date: August 18, 2016Inventors: WEN-YEN LIN, MING-YIH LEE, PO-CHENG CHANG, WEN-ZHENG ZHOU
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Publication number: 20160111295Abstract: A method for fabricating a semiconductor device is provided. The method includes the following steps. A substrate including a memory cell region and a peripheral region is provided, and a plurality of isolation structures are formed in the substrate. Each of the isolation structures contains an exposed portion protruding beyond the surface of the substrate. A first dielectric layer is formed on the substrate. A protective layer is formed on a sidewall of the exposed portion of each of the isolation structures. The first dielectric layer on the peripheral region is removed. A second dielectric layer is formed on the substrate of the peripheral region.Type: ApplicationFiled: December 11, 2014Publication date: April 21, 2016Inventors: Kai-Yao Shih, Ssu-Ting Wang, Te-Yuan Yin, Po-Cheng Chang, Hsin Tai
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Publication number: 20100163713Abstract: An electromagnetic wave sensing device and an operating method for the same are disclosed. The claimed device integrates signal transformation, operation and a sensing range configuration. Particularly, the sensing apparatus at least has two sensing units that respectively sense the ambient light and the electromagnetic wave with a specific range of spectrum. Moreover, a temperature sensor is further introduced to compensate the sensed signals by eliminating the temperature influence. Since the output of the sensing device can have a stable characteristic, the downstream manufacturers don't need to use different hardware or software to adapt different product conditions. The preferred embodiment is to provide one electromagnetic wave sensing device having at least two sensing units for respectively sensing different ranges of electromagnetic waves. After signal transformation, the signals are outputted according to the working mode configured by a control unit.Type: ApplicationFiled: January 7, 2010Publication date: July 1, 2010Applicant: LITE-ON SEMICONDUCTOR CORP.Inventors: CHIA-CHU CHENG, PO-CHENG CHANG, MENG-KUN CHEN, CHIA-CHENG LEI, HSING-YEN WU
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Publication number: 20090225306Abstract: An electromagnetic wave sensing device and an operating method for the same are disclosed. The claimed device integrates signal transformation, operation and a sensing range configuration. Particularly, the sensing apparatus at least has two sensing units that respectively sense the ambient light and the electromagnetic wave with a specific range of spectrum. Since the output of the sensing device can have a stable characteristic, the downstream manufacturers don't need to use different hardware or software to adapt different product conditions. The preferred embodiment is to provide one electromagnetic wave sensing device having at least two sensing units for respectively sensing different ranges of electromagnetic waves including ambient light or a specific range electromagnetic wave. Further, the respective sensed signals are produced and received by a sensing-signal processing means which performs a photoelectric transformation.Type: ApplicationFiled: March 10, 2008Publication date: September 10, 2009Inventors: Chia-Chu Cheng, Po-Cheng Chang, Meng-Kun Chen, Chia-Cheng Lei, Hsing-Yen Wu
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Patent number: D1063925Type: GrantFiled: January 21, 2021Date of Patent: February 25, 2025Assignee: COMPAL ELECTRONICS, INC.Inventors: Po-Yang Chien, Hao-Jen Fang, Wei-Yi Chang, Chun-Chieh Chen, Chen-Cheng Wang, Chih-Wen Chiang, Sheng-Hung Lee