Patents by Inventor Chun Yuan Chang
Chun Yuan 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: 20250069881Abstract: Embodiments are directed to a method for minimizing electrostatic charges in a semiconductor substrate. The method includes depositing photoresist on a semiconductor substrate to form a photoresist layer on the semiconductor substrate. The photoresist layer is exposed to radiation. The photoresist layer is developed using a developer solution. The semiconductor substrate is cleaned with a first cleaning liquid to wash the developer solution from the photoresist layer. A tetramethylammonium hydroxide (TMAH) solution is applied to the semiconductor substrate to reduce charges accumulated in the semiconductor substrate.Type: ApplicationFiled: November 7, 2024Publication date: February 27, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-Lin CHANG, Chih-Chien WANG, Chihy-Yuan CHENG, Sz-Fan CHEN, Chien-Hung LIN, Chun-Chang CHEN, Ching-Sen KUO, Feng-Jia SHIU
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Publication number: 20250057313Abstract: A slide rail assembly includes a first rail, a second rail, an elastic member, a movable member and an electronic module. The second rail is movable relative to the first rail. When the second rail is located at a retracted position relative to the first rail and when the movable member is in a locking state, the elastic member is configured to be locked to accumulate the elastic force. The electronic module includes a driving device configured to drive the movable member to switch from the locking state to an unlocking state, in order to release the elastic force of the elastic member, such that the second rail is moved from the retracted position along an opening direction relative to the first rail in response to the elastic force of the elastic member.Type: ApplicationFiled: February 7, 2024Publication date: February 20, 2025Inventors: KEN-CHING CHEN, CHUN-TA LIU, HSIN-CHENG SU, CHIH-YUAN CHANG, SHU-CHEN LIN
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Patent number: 12227865Abstract: A plating apparatus for electroplating a wafer includes a housing defining a plating chamber for housing a plating solution. A voltage source of the apparatus has a first terminal having a first polarity and a second terminal having a second polarity different than the first polarity. The first terminal is electrically coupled to the wafer. An anode is within the plating chamber, and the second terminal is electrically coupled to the anode. A membrane support is within the plating chamber and over the anode. The membrane support defines apertures, wherein in a first zone of the membrane support a first aperture-area to surface-area ratio is a first ratio, and in a second zone of the membrane support a second aperture-area to surface-area ratio is a second ratio, different than the first ratio.Type: GrantFiled: July 25, 2022Date of Patent: February 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Che-Min Lin, Hung-San Lu, Chao-Lung Chen, Chao Yuan Chang, Chun-An Kung, Chin-Hsin Hsiao, Wen-Chun Hou, Szu-Hung Yang, Ping-Ching Jiang
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Patent number: 12229553Abstract: A software developer proxy tool accesses microservice applications for a software development project by connecting the developer proxy tool to a common port on a computer network. The tool implements software and hardware to register a plurality of the microservice applications on connection ports that connect to the developer proxy tool at an address for the common port. Data requests among the microservices are handled by the developer proxy tool via the common port. The tool sequentially queries selected microservice applications on the respective connection ports to determine availability for completing a request. The tool receives responses back from microservices and directs the responses back to the requesting program. Failed requests trigger use of remote or third party microservice applications that may be available over an internet connection.Type: GrantFiled: October 28, 2022Date of Patent: February 18, 2025Assignee: Change Healthcare Holdings, LLCInventors: Henry Spivey, Chun-Fu Chang, Wei-Yuan Lo
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Publication number: 20250048710Abstract: An integrated circuit includes a substrate having a semiconductor layer. The integrated circuit includes a transistor. The transistor includes stacked channels above the semiconductor layer, a first source/drain region in contact with the channels, and a second source/drain region in contact with the channels. A backside source/drain contact is positioned in the substrate directly below and electrically coupled to the first source/drain region. A frontside source/drain contact is directly above and electrically coupled to the first source/drain region. A bottom semiconductor structure is positioned below the second source/drain region and in contact with the semiconductor layer.Type: ApplicationFiled: January 12, 2024Publication date: February 6, 2025Inventors: Lo-Heng CHANG, Huan-Chieh SU, Chun-Yuan CHEN, Kuo-Cheng CHIANG, Chih-Hao WANG
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Patent number: 11234993Abstract: The present invention provides an alcohol extract of Ajuga taiwanensis Nakai ex Murata exhibits significant effects on inhibiting the senescence in human WI-38 lung fibroblasts and human dermal fibroblasts. Moreover, the alcohol extract of A. taiwanensis is able to suppress the expression of the cofilin-1, a protein involved in actin dynamics and cell morphology and found to be increased in senescent cells. Suppression effect of cell senescence by this herb extract is more efficient in mild concentration without over-inhibition of cell viability and growth.Type: GrantFiled: May 26, 2020Date of Patent: February 1, 2022Assignee: NATIONAL YANG-MING UNIVERSITYInventors: Yi-Jang Lee, Yun-Lian Lin, Chung-Sheng Huang, Cheng-Han Tsai, Chun-Yuan Chang, Bing-Ze Lin, Yuan-Heng Tu, Wei-Hsiang Hsu, Pin-Ho Lo
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Publication number: 20200368264Abstract: The present invention provides an alcohol extract of Ajuga taiwanensis Nakai ex Murata exhibits significant effects on inhibiting the senescence in human WI-38 lung fibroblasts and human dermal fibroblasts. Moreover, the alcohol extract of A. taiwanensis is able to suppress the expression of the cofilin-1, a protein involved in actin dynamics and cell morphology and found to be increased in senescent cells. Suppression effect of cell senescence by this herb extract is more efficient in mild concentration without over-inhibition of cell viability and growth.Type: ApplicationFiled: May 26, 2020Publication date: November 26, 2020Inventors: Yi-Jang Lee, Yun-Lian Lin, Chung-Sheng Huang, Cheng-Han Tsai, Chun-Yuan Chang, Bing-Ze Lin, Yuan-Heng Tu, Wei-Hsiang Hsu, Pin-Ho Lo
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Patent number: 9494983Abstract: A fixing apparatus of expansion board includes a supporting printed circuit board (PCB), a securing shelf, and a motherboard expansion slot. The supporting PCB is fixed on the securing shelf and is inserted into the motherboard expansion slot. The supporting PCB defines at least one slot to connect at least one expansion card.Type: GrantFiled: February 28, 2014Date of Patent: November 15, 2016Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Chun-Yuan Chang
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Patent number: 9312551Abstract: A passive anode gas recovery system for fuel cells is revealed. The system includes a fuel cell, a fuel supply device, an electronically controlled regulator, a first ejection module, a second ejection module, a hydrogen recovery module, and a controller. The system is a passive fuel recovery system disposed on an outlet end of an anode of the fuel cell. By the controller, the hydrogen recovery module recovers unconsumed hydrogen gas in the fuel cell provided by the fuel supply device into two ejection modules with different orifice diameters for recycling and reuse. The system has advantages of low cost, no extra energy consumed, and no external controller required. The system can be applied to developing fuel cell systems with high efficiency and low cost.Type: GrantFiled: October 1, 2014Date of Patent: April 12, 2016Assignee: National University of TainanInventors: Jenn-Jiang Hwang, Chun-Yuan Chang, Yen-Hsun Lu, Jenn-Kun Kuo
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Publication number: 20160099477Abstract: A passive anode gas recovery system for fuel cells is revealed. The system includes a fuel cell, a fuel supply device, an electronically controlled regulator, a first ejection module, a second ejection module, a hydrogen recovery module, and a controller. The system is a passive fuel recovery system disposed on an outlet end of an anode of the fuel cell. By the controller, the hydrogen recovery module recovers unconsumed hydrogen gas in the fuel cell provided by the fuel supply device into two ejection modules with different orifice diameters for recycling and reuse. The system has advantages of low cost, no extra energy consumed, and no external controller required. The system can be applied to developing fuel cell systems with high efficiency and low cost.Type: ApplicationFiled: October 1, 2014Publication date: April 7, 2016Inventors: JENN-JIANG HWANG, CHUN-YUAN CHANG, YEN-HSUN LU, JENN-KUN KUO
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Patent number: 9179582Abstract: An exemplary electronic device with connectors and fasteners for alignment of the connectors includes a panel, a printed circuit board, and a shell. The printed circuit board includes a number of connectors arranged thereon. A number of holes are defined in the shell for expose the connectors. The printed circuit board defines a number of through holes therein. The panel defines a number of positioning holes therein. The shell forms a number of positioning posts thereon, and each positioning post defines an engaging hole therein. The present disclosure also includes a number of fasteners. Each fastener includes a first and a second positioning part. The first positioning part inserts through a corresponding through hole and a corresponding positioning hole to connect the printed circuit board and the panel. The second positioning part is engagingly received in the engaging hole of a corresponding positioning post of the shell.Type: GrantFiled: November 29, 2013Date of Patent: November 3, 2015Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Chun-Yuan Chang
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Patent number: 9161100Abstract: A cable tidying device includes a bracket mounted to a cabinet, a bobbin for wrapping cables inserted into the cabinet, and a locating member for locating the bobbin. The bracket includes a positioning plate defining a positioning hole and a first groove surrounding the positioning hole. The bobbin includes a wrapping axis extending through the first groove, and a driving portion extending from the wrapping axis. The locating member includes a spine plate, a fixing portion, and a spring resisting between the fixing portion and the positioning plate. The spine plate includes a main body, a protruding post protruding from the main body, and a plurality of ratchets spaced from each other. The fixing portion is attached to the protruding post. The driving portion engages with a different ratchet to locate the bobbin in a different position of the first groove.Type: GrantFiled: October 21, 2012Date of Patent: October 13, 2015Assignee: HON HAI PECISION INDUSTRY CO., LTD.Inventor: Chun-Yuan Chang
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Publication number: 20150258840Abstract: A positioning structure for a clipboard contains a first cover, a second cover, and two connecting grooves. The first cover includes a first retaining slot, a second retaining slot and a plurality of second recesses. The second cover includes a third retaining slot, a fourth retaining slot and a plurality of second recesses. At least one clamper is used to clamp at least one paper, and each of the at least one clamper includes a press block, an actuating segment, an inserting piece extending downwardly from a rear end of the press block, a side plate connected with two sides of the inserting piece, a recessed portion defined on the inserting piece, a reinforcement sheet extending outwardly from a front end of the inserting piece, and a locking piece extending downwardly from a bottom end of the reinforcement sheet in front of the inserting piece.Type: ApplicationFiled: March 13, 2014Publication date: September 17, 2015Inventor: Chun Yuan Chang
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Publication number: 20150239143Abstract: A punching machine contains a base, a bottom cover, a pressing seat, a slot with two stop fringes, a stopping recess, a holder, and a limiting groove with a press device having a first positioning piece, at least one spacing block, a second positioning piece, and a third positioning piece. The holder has at least one opening, the first positioning piece, the second positioning piece and the third positioning piece has at least one first pore, at least one second pore, and at least one third pore. A respective one of at least one column has cross section of various shapes so as to match with a shape of each second pore and each third pore. The first positioning piece has a first mouth, the second positioning piece has a second mouth, the third positioning piece has a third mouth; between the first mouth and the second mouth is defined an affixing post.Type: ApplicationFiled: February 25, 2014Publication date: August 27, 2015Inventor: Chun Yuan Chang
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Publication number: 20150205333Abstract: A fixing apparatus of expansion board includes a supporting printed circuit board (PCB), a securing shelf, and a motherboard expansion slot. The supporting PCB is fixed on the securing shelf and is inserted into the motherboard expansion slot. The supporting PCB defines at least one slot to connect at least one expansion card.Type: ApplicationFiled: February 28, 2014Publication date: July 23, 2015Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: CHUN-YUAN CHANG
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Publication number: 20150109743Abstract: An exemplary electronic device with connectors and fasteners for alignment of the connectors includes a panel, a printed circuit board, and a shell. The printed circuit board includes a number of connectors arranged thereon. A number of holes are defined in the shell for expose the connectors. The printed circuit board defines a number of through holes therein. The panel defines a number of positioning holes therein. The shell forms a number of positioning posts thereon, and each positioning post defines an engaging hole therein. The present disclosure also includes a number of fasteners. Each fastener includes a first and a second positioning part. The first positioning part inserts through a corresponding through hole and a corresponding positioning hole to connect the printed circuit board and the panel. The second positioning part is engagingly received in the engaging hole of a corresponding positioning post of the shell.Type: ApplicationFiled: November 29, 2013Publication date: April 23, 2015Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: CHUN-YUAN CHANG
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Patent number: 8973477Abstract: A paper cutting machine contains a base, a holder, a connecting member, a driving member, a cutting member, and a protective cover covered on the holder. The base includes four first holes, a second hole, a first slot, and a second slot. The holder includes two first orifices, two second orifices, and a covering seat. The connecting member connects with a first bolt of the holder and includes a press bar, a reinforcement bar, and a handle. The driving member includes a first aperture, a seat, a recess, and a second aperture. The cutting member includes an inserting piece and a cutout and is placed into the recess and is fixed by screwing the positioning rod into the cutout. The first bolt has two torsion springs, one end of each torsion spring abuts against the press bar, another end of the each torsion spring pushes against the second bolt.Type: GrantFiled: February 26, 2013Date of Patent: March 10, 2015Inventor: Chun Yuan Chang
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Publication number: 20140318343Abstract: A punching machine contains a base, a bottom cover, a pressing seat, a slot, and a stopping recess. The punching machine also contains a holder, and a limiting groove has a press device mounted therein and fixed in an imitation notch of the holder, the press device has a first positioning piece, at least one spacing block, a second positioning piece, and a third positioning piece. The holder has at least one opening, the first positioning piece has at least one first pore, the second positioning piece has at least one second pore, and the third positioning piece has at least one third pore. A respective one of at least one column has a shape-varying cross section so as to matching with a shape of each second pore and each third pore. Also, the forcing controller further has a locating element.Type: ApplicationFiled: April 24, 2013Publication date: October 30, 2014Inventor: Chun Yuan Chang
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Patent number: D1062545Type: GrantFiled: May 7, 2023Date of Patent: February 18, 2025Assignees: Acer Incorporated, Acer Gadget Inc.Inventors: Yun Cheng, Ker-Wei Lin, Hao-Ming Chang, Chun-Ta Chen, Wei-Chen Lee, Chih-Yuan Chang
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Patent number: D1063712Type: GrantFiled: May 7, 2023Date of Patent: February 25, 2025Assignees: Acer Incorporated, Acer Gadget Inc.Inventors: Yun Cheng, Ker-Wei Lin, Hao-Ming Chang, Chun-Ta Chen, Wei-Chen Lee, Chih-Yuan Chang