Patents by Inventor Wei-Hao Chang
Wei-Hao 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: 20230387251Abstract: A method for manufacturing a semiconductor device includes: forming a patterned structure on a substrate, the patterned structure including a dielectric layer and a dummy gate structure disposed in the dielectric layer; and subjecting the patterned structure to an ion implantation process so as to modulate a profile of the dummy gate structure.Type: ApplicationFiled: May 25, 2022Publication date: November 30, 2023Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Tien-Shun CHANG, Kuo-Ju CHEN, Sih-Jie LIU, Wei-Fu WANG, Yi-Chao WANG, Li-Ting WANG, Su-Hao LIU, Huicheng CHANG, Yee-Chia YEO
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Publication number: 20230384673Abstract: Manufacturing method includes forming photoresist layer including photoresist composition over substrate. Photoresist composition includes: photoactive compound, polymer, crosslinker. The polymer structure A1, A2, A3 independently C1-C30 aryl, alkyl, cycloalkyl, hydroxylalkyl, alkoxy, alkoxyl alkyl, acetyl, acetylalkyl, carboxyl, alkyl carboxyl, cycloalkyl carboxyl, hydrocarbon ring, heterocyclic, chain, ring, 3-D structure; R1 is C4-C15 chain, cyclic, 3-D structure alkyl, cycloalkyl, hydroxylalkyl, alkoxy, or alkoxyl alkyl; proportion of x, y, and z in polymer is 0?x/(x+y+z)?1, 0?y/(x+y+z)?1, and 0?z/(x+y+z)?1, x, y, and z all not 0 for same polymer.Type: ApplicationFiled: August 9, 2023Publication date: November 30, 2023Inventors: Yen-Hao CHEN, Wei-Han LAI, Ching-Yu CHANG
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Patent number: 11827477Abstract: A medium passage switching mechanism disposed on a casing of an image forming device, includes a medium tray, a guiding component and a resilient component. An entrance passage, a first exit passage and a second exit passage are formed inside the casing. The medium tray is pivoted to the casing and can pivot between a first position and a second position. The guiding component is pivoted to the casing and can pivot between a third position and a fourth position. The resilient component abuts against the guiding component and the casing. When the medium tray pivots between the first position and the second position, the guiding component can be driven by cooperation of the resilient component and the medium tray to pivot between the third position and the fourth position for guiding a medium to enter into the first exit passage or the second exit passage from the entrance passage.Type: GrantFiled: September 14, 2021Date of Patent: November 28, 2023Assignee: AVISION INC.Inventors: Wei-Lun Tsai, Min-Hao Chang
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Publication number: 20230369047Abstract: The present disclosure provides a method for semiconductor manufacturing in accordance with some embodiments. The method includes forming a hard mask layer over a substrate, the substrate having one or more regions to receive a treatment process, forming a resist layer over the hard mask layer, patterning the resist layer to form a plurality of openings in the resist layer, each of the openings free of concave corners, performing an opening expanding process to enlarge at least one of the openings in the resist layer, transferring the openings in the resist layer to the hard mask layer, and performing the treatment process to the one or more regions in the substrate through the openings in the hard mask layer.Type: ApplicationFiled: July 30, 2023Publication date: November 16, 2023Inventors: Yu-Tien Shen, Ya-Wen Yeh, Wei-Liang Lin, Ya Hui Chang, Yung-Sung Yen, Wei-Hao Wu, Li-Te Lin, Ru-Gun Liu, Kuei-Shun Chen
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Patent number: 11815970Abstract: System boot-up can be enabled in low temperature environments. A laptop or other battery-powered computing device can include multiple batteries and a battery architecture that allows the multiple batteries to simultaneously discharge to thereby provide adequate power to boot the system in low temperature environments. The battery architecture may also allow a battery with a higher relative state of charge to charge another battery with a lower relative state of charge to thereby equalize the batteries' relative states of charge.Type: GrantFiled: March 23, 2022Date of Patent: November 14, 2023Assignee: Dell Products L.P.Inventors: Yi-Hao Yeh, Gary Charles, John Robert Lerma, Cheng-Hung Yang, Wei-Che Chang
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Patent number: 11817253Abstract: A coil module is provided, including a second coil mechanism. The second coil mechanism includes a third coil assembly and a second base corresponding to the third coil assembly. The second base has a positioning assembly corresponding to a first coil mechanism.Type: GrantFiled: April 30, 2020Date of Patent: November 14, 2023Assignee: TDK TAIWAN CORP.Inventors: Feng-Lung Chien, Tsang-Feng Wu, Yuan Han, Tzu-Chieh Kao, Chien-Hung Lin, Kuang-Lun Lee, Hsiang-Hui Hsu, Shu-Yi Tsui, Kuo-Jui Lee, Kun-Ying Lee, Mao-Chun Chen, Tai-Hsien Yu, Wei-Yu Chen, Yi-Ju Li, Kuei-Yuan Chang, Wei-Chun Li, Ni-Ni Lai, Sheng-Hao Luo, Heng-Sheng Peng, Yueh-Hui Kuan, Hsiu-Chen Lin, Yan-Bing Zhou, Chris T. Burket
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Publication number: 20230361022Abstract: An electrical connection structure includes a dielectric layer stack of a plurality of dielectric layers including a first dielectric layer as an uppermost layer, and a second dielectric layer under the first dielectric layer, a plurality of metal layers in the plurality of dielectric layers, a via stack in the plurality of dielectric layers that connects the plurality of metal layers, an upper metal layer on the dielectric layer stack over the via stack, and an upper dielectric layer on the dielectric layer stack and including an upper dielectric layer opening over the upper metal layer and the via stack. A number of first vias in the first dielectric layer, may be less than or equal to a number of second vias in the second dielectric layer, and the number of second vias in the second dielectric layer may be less than or equal to 3.Type: ApplicationFiled: May 3, 2022Publication date: November 9, 2023Inventors: Chien Hao Hsu, Wei-Hsiang Tu, Yen-Kun Lai, Kuo-Chin Chang, Mirng-Ji Lii
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Publication number: 20230341317Abstract: The present disclosure provides a sensing package. The sensing package includes a carrier configured to face an object to be inspected and an emitter disposed adjacent to the carrier. The emitter is configured to emit a first light propagating in a first direction. The sensing package further includes a component configured to change the first light into a second light propagating in a second direction different from the first direction. An optical module and a method for detecting light are also provided.Type: ApplicationFiled: April 26, 2022Publication date: October 26, 2023Applicant: Advanced Semiconductor Engineering, Inc.Inventor: Wei-Hao CHANG
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Patent number: 11791161Abstract: The present disclosure provides a method for semiconductor manufacturing in accordance with some embodiments. The method includes providing a substrate and a patterning layer over the substrate and forming a plurality of openings in the patterning layer. The substrate includes a plurality of features to receive a treatment process. The openings partially overlap with the features from a top view while a portion of the features remains covered by the patterning layer. Each of the openings is free of concave corners. The method further includes performing an opening expanding process to enlarge each of the openings and performing a treatment process to the features through the openings. After the opening expanding process, the openings fully overlap with the features from the top view.Type: GrantFiled: December 7, 2020Date of Patent: October 17, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yu-Tien Shen, Ya-Wen Yeh, Wei-Liang Lin, Ya Hui Chang, Yung-Sung Yen, Wei-Hao Wu, Li-Te Lin, Ru-Gun Liu, Kuei-Shun Chen
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Publication number: 20230317708Abstract: Multiple chip module (MCM) structures are described. In an embodiment, a module includes a first and second components on the top side of a module substrate, a stiffener structure mounted on the top side of the module substrate, and a lid mounted on the stiffener structure and covering the first component and the second component. The stiffener is joined to the lid within a trench formed in a roof of the lid.Type: ApplicationFiled: March 31, 2023Publication date: October 5, 2023Inventors: Wei Chen, Jie-Hua Zhao, Jun Zhai, Po-Hao Chang, Hsien-Che Lin, Ying-Chieh Ke, Kunzhong Hu
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Publication number: 20230317641Abstract: A semiconductor die includes semiconductor devices located on a semiconductor substrate, metal-insulator-metal corner structures overlying the semiconductor devices and located in corner regions of the semiconductor die. Metal-insulator-metal corner structures are located in the corner regions of the semiconductor die. Each of the metal-insulator-metal corner structures has a horizontal cross-sectional shape selected from a triangular shape and a polygonal shape including a pair of laterally-extending strips extending along two horizontal directions that are perpendicular to each other and connected to each other by a connecting shape.Type: ApplicationFiled: March 31, 2022Publication date: October 5, 2023Inventors: Yen-Kun LAI, Chien Hao Hsu, Wei-Hsiang Tu, Kuo-Chin Chang, Mirng-Ji Lii
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Publication number: 20230305611Abstract: System boot-up can be enabled in low temperature environments. A laptop or other battery-powered computing device can include multiple batteries and a battery architecture that allows the multiple batteries to simultaneously discharge to thereby provide adequate power to boot the system in low temperature environments. The battery architecture may also allow a battery with a higher relative state of charge to charge another battery with a lower relative state of charge to thereby equalize the batteries' relative states of charge.Type: ApplicationFiled: March 23, 2022Publication date: September 28, 2023Inventors: Yi-Hao Yeh, Gary Charles, John Robert Lerma, Cheng-Hung Yang, Wei-Che Chang
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Publication number: 20230298657Abstract: A power control device includes a first switch and a second switch. A first terminal of the first switch is configured to receive a first voltage signal in a first voltage domain, and a first terminal of the second switch is configured to receive a second voltage signal in a second voltage domain different from the a first voltage domain. A second terminal of the second switch is coupled to a second terminal of the first switch, and a control circuit is coupled to control terminals of the first switch and the second switch. The control circuit is configured to turn on the first switch in response to a decrease of a voltage level of the first voltage signal.Type: ApplicationFiled: June 3, 2022Publication date: September 21, 2023Inventors: Zhi-Hao Chang, Wei-jer Hsieh, Yangsyu Lin
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Publication number: 20230290853Abstract: A semiconductor device with doped shallow trench isolation (STI) structures and a method of fabricating the same are disclosed. The method includes forming a fin structure on a substrate, forming a superlattice structure with first and second nanostructured layers arranged in an alternating configuration on the fin structure, depositing an oxide liner surrounding the superlattice structure and the fin structure in a first deposition process, forming a dopant source liner on the oxide liner, depositing an oxide fill layer on the dopant source liner in a second deposition process different from the first deposition process, performing a doping process to form a doped oxide liner and a doped oxide fill layer, removing portions of the doped oxide liner, the doped oxide fill layer, and the dopant source liner from sidewalls of the superlattice structure, and forming a gate structure on the fin structure and surrounding the first nanostructured layers.Type: ApplicationFiled: June 9, 2022Publication date: September 14, 2023Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Wei-Jin LI, Che-Hao CHANG, Zhen-Cheng WU, Chi On CHUI
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Patent number: 11752204Abstract: The present invention provides vaccines comprising carbohydrate antigen conjugated to a diphtheria toxin (DT) as a carrier protein, wherein the ratio of the number of carbohydrate antigen molecule to the carrier protein molecule is higher than 5:1. Also disclosed herein is a novel saponin adjuvant and methods to inhibit cancer cells, by administering an effective amount of the vaccine disclose herein.Type: GrantFiled: November 1, 2019Date of Patent: September 12, 2023Assignee: OBI PHARMA INC.Inventors: Wei-Han Lee, Nan-Hsuan Wang, Chung-Hao Chang, Yih-Huang Hsieh, Cheng-Der Tony Yu, Cheng-Chi Wang, Yu-Hsin Lin, Yu-Chen Lin, I-Ju Chen
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Patent number: 11736319Abstract: A wireless communication device for a transmission end of a wireless communication system is provided. The wireless communication device includes a wireless analog transmission unit, for transmitting a data packet on a data transmission channel; and a packet generating unit, for generating the data packet and at least one protection packet; wherein before transmitting the data packet on the data transmission channel, the wireless communication device transmits the at least one protection packet on at least one adjacent channel of the data transmission channel to indicate to at least one user of the at least one adjacent channel to stop using the at least one adjacent channel before transmission of the data packet is completed, and at least one frequency band of the at least one adjacent channel overlaps a frequency band of the data transmission channel.Type: GrantFiled: May 6, 2021Date of Patent: August 22, 2023Assignee: Realtek Semiconductor Corp.Inventors: Shen-Chung Lee, Wei-Hsuan Chang, Wen-Yung Lee, Yu-Nan Lin, Chih-Heng Tsai, Tzu-Hao Tai
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Publication number: 20230260836Abstract: A method includes forming a dielectric layer over a source/drain region. An opening is formed in the dielectric layer. The opening exposes a portion of the source/drain region. A conductive liner is formed on sidewalls and a bottom of the opening. A surface modification process is performed on an exposed surface of the conductive liner. The surface modification process forms a surface coating layer over the conductive liner. The surface coating layer is removed to expose the conductive liner. The conductive liner is removed from the sidewalls of the opening. The opening is filled with a conductive material in a bottom-up manner. The conductive material is in physical contact with a remaining portion of the conductive liner and the dielectric layer.Type: ApplicationFiled: May 13, 2022Publication date: August 17, 2023Inventors: Pei Shan Chang, Yi-Hsiang Chao, Chun-Hsien Huang, Peng-Hao Hsu, Kevin Lee, Shu-Lan Chang, Ya-Yi Cheng, Ching-Yi Chen, Wei-Jung Lin, Chih-Wei Chang, Ming-Hsing Tsai
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Publication number: 20230261011Abstract: Various embodiments of the present disclosure are directed towards an integrated chip. The integrated chip includes a first photodetector disposed in a first pixel region of a semiconductor substrate and a second photodetector disposed in a second pixel region of the semiconductor substrate. The second photodetector is laterally separated from the first photodetector. A first diffuser is disposed along a back-side of the semiconductor substrate and over the first photodetector. A second diffuser is disposed along the back-side of the semiconductor substrate and over the second photodetector. A first midline of the first pixel region and a second midline of the second pixel region are both disposed laterally between the first diffuser and the second diffuser.Type: ApplicationFiled: April 24, 2023Publication date: August 17, 2023Inventors: Keng-Yu Chou, Chun-Hao Chuang, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang
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Publication number: 20230260803Abstract: In a method of manufacturing a semiconductor device, an underlying structure is formed over a substrate. A film is formed over the underlying structure. Surface topography of the film is measured and the surface topography is stored as topography data. A local etching is performed by using directional etching and scanning the substrate so that an entire surface of the film is subjected to the directional etching. A plasma beam intensity of the directional etching is adjusted according to the topography data.Type: ApplicationFiled: April 25, 2023Publication date: August 17, 2023Inventors: Ya-Wen YEH, Yu-Tien SHEN, Shih-Chun HUANG, Po-Chin CHANG, Wei-Liang LIN, Yung-Sung YEN, Wei-Hao WU, Li-Te LIN, Pinyen LIN, Ru-Gun LIU
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Publication number: 20230260571Abstract: The present disclosure provides a memory circuit. The memory circuit includes: a plurality of word lines, a word line driver, and a first conductive line. The word line driver is electrically connected to the word lines. The word line driver includes: a plurality of first electronic components and a plurality of second electronic components. The plurality of first electronic components each electrically connected to the corresponding word line. The plurality of second electronic components each having a first terminal and a second terminal. The first terminal is electrically connected to the corresponding word line and the corresponding first electronic component. The first conductive line is electrically connected to the second terminal of the second electronic components. The first conductive line has a length proportional to the number of the word lines.Type: ApplicationFiled: February 17, 2022Publication date: August 17, 2023Inventors: ZHI-HAO CHANG, WEI-JER HSIEH