Patents by Inventor Ching-Wei Tsai
Ching-Wei Tsai 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: 20250120166Abstract: Semiconductor device and the manufacturing method thereof are disclosed. An exemplary method comprises forming a first stack structure and a second stack structure in a first area over a substrate, wherein each of the stack structures includes semiconductor layers separated and stacked up; depositing a first interfacial layer around each of the semiconductor layers of the stack structures; depositing a gate dielectric layer around the first interfacial layer; forming a dipole oxide layer around the gate dielectric layer; removing the dipole oxide layer around the gate dielectric layer of the second stack structure; performing an annealing process to form a dipole gate dielectric layer for the first stack structure and a non-dipole gate dielectric layer for the second stack structure; and depositing a first gate electrode around the dipole gate dielectric layer of the first stack structure and the non-dipole gate dielectric layer of the second stack structure.Type: ApplicationFiled: December 16, 2024Publication date: April 10, 2025Inventors: Chung-Wei Hsu, Kuo-Cheng Chiang, Kuan-Lun Cheng, Hou-Yu Chen, Ching-Wei Tsai, Chih-Hao Wang, Lung-Kun Chu, Mao-Lin Huang, Jia-Ni Yu
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Patent number: 12274180Abstract: A method for fabricating a semiconductor device includes the steps of forming a magnetic tunneling junction (MTJ) on a MRAM region of a substrate, forming a first inter-metal dielectric (IMD) layer around the MTJ, forming a patterned mask on a logic region of the substrate, performing a nitridation process to transform part of the first IMD layer to a nitride layer, forming a first metal interconnection on the logic region, forming a stop layer on the first IMD layer, forming a second IMD layer on the stop layer, and forming a second metal intercom in the second IMD layer to connect to the MTJ.Type: GrantFiled: March 17, 2023Date of Patent: April 8, 2025Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Chen-Yi Weng, Si-Han Tsai, Che-Wei Chang, Po-Kai Hsu, Jing-Yin Jhang, Yu-Ping Wang, Ju-Chun Fan, Ching-Hua Hsu, Yi-Yu Lin, Hung-Yueh Chen
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Patent number: 12272751Abstract: A semiconductor device includes a substrate. The semiconductor device includes a dielectric layer disposed over a portion of the substrate. The semiconductor device includes a diffusion blocking layer disposed over the dielectric layer. The diffusion blocking layer and the dielectric layer have different material compositions. The semiconductor device includes a ferroelectric layer disposed over the diffusion blocking layer.Type: GrantFiled: February 13, 2023Date of Patent: April 8, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chi-Hsing Hsu, Ching-Wei Tsai, Kuan-Lun Cheng, Chih-Hao Wang, Sai-Hooi Yeong
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Publication number: 20250110307Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.Type: ApplicationFiled: December 12, 2024Publication date: April 3, 2025Inventors: Chao-Chang HU, Chih-Wei WENG, Chia-Che WU, Chien-Yu KAO, Hsiao-Hsin HU, He-Ling CHANG, Chao-Hsi WANG, Chen-Hsien FAN, Che-Wei CHANG, Mao-Gen JIAN, Sung-Mao TSAI, Wei-Jhe SHEN, Yung-Ping YANG, Sin-Hong LIN, Tzu-Yu CHANG, Sin-Jhong SONG, Shang-Yu HSU, Meng-Ting LIN, Shih-Wei HUNG, Yu-Huai LIAO, Mao-Kuo HSU, Hsueh-Ju LU, Ching-Chieh HUANG, Chih-Wen CHIANG, Yu-Chiao LO, Ying-Jen WANG, Shu-Shan CHEN, Che-Hsiang CHIU
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Patent number: 12266594Abstract: A method of making a semiconductor device includes manufacturing a first transistor over a first side of a substrate. The method further includes depositing a spacer material against a sidewall of the first transistor. The method further includes recessing the spacer material to expose a first portion of the sidewall of the first transistor. The method further includes manufacturing a first electrical connection to the transistor, a first portion of the electrical connection contacts a surface of the first transistor farthest from the substrate, and a second portion of the electrical connect contacts the first portion of the sidewall of the first transistor. The method further includes manufacturing a self-aligned interconnect structure (SIS) extending along the spacer material, wherein the spacer material separates a portion of the SIS from the first transistor, and the first electrical connection directly contacts the SIS.Type: GrantFiled: November 22, 2023Date of Patent: April 1, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chih-Yu Lai, Chih-Liang Chen, Chi-Yu Lu, Shang-Syuan Ciou, Hui-Zhong Zhuang, Ching-Wei Tsai, Shang-Wen Chang
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Publication number: 20250107104Abstract: A semiconductor structure includes a semiconductor-on-insulator (SOI) substrate including a handle substrate, a buried insulating layer, and a top semiconductor layer; a first deep trench isolation structure that vertically extends through the top semiconductor layer and the buried insulating layer, and includes a first inner insulating liner laterally surrounding a first portion of the top semiconductor layer that is located in a first device region in a plan view, a first non-insulating moat structure laterally surrounding the first inner insulating liner, and a first outer insulating liner that laterally surrounds the first non-insulating moat structure; and a resistive memory array located on the first portion of the top semiconductor layer, and located entirely within the first device region in the plan view.Type: ApplicationFiled: January 11, 2024Publication date: March 27, 2025Inventors: Kao-Chao Lin, Chi-Wei Ho, Yu-Ting Tsai, Ching-Tzer Weng, Chia-Ta Hsieh
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Publication number: 20250105218Abstract: A display light engine which includes a light source module, a spectrum conversion array disposed on the light source module and a lens array is provided. The light source module includes a plurality of light-emitting components which emit light toward the spectrum conversion array. The spectrum conversion array includes a plurality of spectrum conversion components and a metal bank material. The spectrum conversion components are spaced from each other and are disposed on the light-emitting components respectively. The metal bank material is distributed between two adjacent spectrum conversion components and separates the spectrum conversion components from each other. The lens array which includes a plurality of lenses arranged in an array is disposed between the spectrum conversion array and the light source module. Those lenses are disposed on and align to the spectrum conversion components respectively.Type: ApplicationFiled: August 22, 2024Publication date: March 27, 2025Inventors: Chun-Hsiang Chan, Ching-Liang Huang, Ting-Wei Tsai, Sheng-Ming Huang
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Publication number: 20250105138Abstract: Methods of forming decoupling capacitors in interconnect structures formed on backsides of semiconductor devices and semiconductor devices including the same are disclosed. In an embodiment, a device includes a device layer including a first transistor; a first interconnect structure on a front-side of the device layer; a second interconnect structure on a backside of the device layer, the second interconnect structure including a first dielectric layer on the backside of the device layer; a contact extending through the first dielectric layer to a source/drain region of the first transistor; a first conductive layer including a first conductive line electrically connected to the source/drain region of the first transistor through the contact; and a second dielectric layer adjacent the first conductive line, the second dielectric layer including a material having a k-value greater than 7.0, a first decoupling capacitor including the first conductive line and the second dielectric layer.Type: ApplicationFiled: December 11, 2024Publication date: March 27, 2025Inventors: Yu-Xuan Huang, Hou-Yu Chen, Ching-Wei Tsai, Kuan-Lun Cheng, Chung-Hui Chen
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Patent number: 12262550Abstract: A method of manufacturing a semiconductor structure is provided. A substrate including a first silicon carbide layer and a second silicon carbide layer under the first silicon carbide layer is formed. The substrate includes a unit region and a termination region surrounding the unit region. A first guard ring structure is formed in the termination region and the first silicon carbide layer, adjoining a top surface of the first silicon carbide layer. A second guard ring structure is formed in the termination region and the second silicon carbide layer. Second guard ring well regions of the second guard ring structure correspond one-on-one to first guard ring well regions of the first guard ring structure. Each of the second guard ring well regions overlaps with a corresponding one of the first guard ring well regions in a vertical direction perpendicular to the top surface of the substrate.Type: GrantFiled: December 12, 2024Date of Patent: March 25, 2025Assignee: Diodes IncorporatedInventors: Ching-Wen Wang, Jie Li, Ming-Wei Tsai, Chiao-Shun Chuang
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Patent number: 12261046Abstract: Various methods for manufacturing semiconductor structures are provided. An embodiment method includes forming a first patterned hard mask and epitaxial layer on a semiconductor substrate, and forming a first doped region in the epitaxial layer by performing a first implantation through the first patterned hard mask. A second doped region is formed in the epitaxial layer by performing a second implantation through the first patterned hard mask, with the first doped region at least partially overlapping the second doped region. A second patterned hard mask is formed, which surrounds the first patterned hard mask and covers at least a portion of the first doped region. A third doped region is formed in the epitaxial layer by performing a third implantation through the first patterned hard mask and the second patterned hard mask.Type: GrantFiled: April 4, 2024Date of Patent: March 25, 2025Assignee: Diodes IncorporatedInventors: Jie Li, Ming-Wei Tsai, Chiao-Shun Chuang, Ching-Wen Wang
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Publication number: 20250087632Abstract: A semiconductor package includes a first semiconductor die and a second semiconductor die bonded over the first semiconductor die. The second semiconductor die includes a first backside interconnect structure having a first power rail structure. An integrated voltage regulator die is bonded over the second semiconductor die such that the integrated voltage regulator die is electrically connected to the first power rail structure. A through via is on the first semiconductor die and is electrically coupled to the first semiconductor die. The through via is disposed outside of and adjacent to the second semiconductor die. The through via also electrically couples the first semiconductor die to the second semiconductor die through the integrated voltage regulator die.Type: ApplicationFiled: January 5, 2024Publication date: March 13, 2025Inventors: Chih-Chao Chou, Ching-Wei Tsai, Yi-Hsun Chiu
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Publication number: 20250081694Abstract: A display device includes a substrate, a reflective structure, and a pixel unit. The pixel unit is disposed on the substrate. The pixel unit includes a sub-pixel. The sub-pixel includes a light-emitting element. A light emitted by the light-emitting element has a color. The reflective structure is disposed on the substrate. The reflective structure includes a first portion and a second portion. The first portion of the reflective structure surrounds the light-emitting element. A projection area of the first portion of the reflective structure on the substrate is less than a projection area of the second portion of the reflective structure on the substrate.Type: ApplicationFiled: June 6, 2024Publication date: March 6, 2025Applicant: AUO CorporationInventors: Ching-Liang Huang, Chun-Hsiang Chan, Ting-Wei Tsai, Sheng-Ming Huang
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Publication number: 20250080756Abstract: A method and apparatus for inter prediction in video coding system are disclosed. According to the method, one or more model parameters of one or more cross-color models for the second-color block are determined. Then, cross-color predictors for the second-color block are determined, wherein one cross-color predictor value for the second-color block is generated for each second-color pixel of the second-color block by applying said one or more cross-color models to corresponding reconstructed or predicted first-color pixels. The input data associated with the second-color block is encoded using prediction data comprising the cross-color predictors for the second-color block at the encoder side, or the input data associated with the second-color block is decoded using the prediction data comprising the cross-color predictors for the second-color block at the decoder side.Type: ApplicationFiled: December 20, 2022Publication date: March 6, 2025Inventors: Man-Shu CHIANG, Olena CHUBACH, Yu-Ling HSIAO, Chia-Ming TSAI, Chun-Chia CHEN, Chih-Wei HSU, Tzu-Der CHUANG, Ching-Yeh CHEN, Yu-Wen HUANG
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Publication number: 20250081594Abstract: A semiconductor device structure, along with methods of forming such, are described. The structure includes a first and second gate electrode layers, and a dielectric feature disposed between the first and second gate electrode layers. The dielectric feature has a first surface. The structure further includes a first conductive layer disposed on the first gate electrode layer. The first conductive layer has a second surface. The structure further includes a second conductive layer disposed on the second gate electrode layer. The second conductive layer has a third surface, and the first, second, and third surfaces are coplanar. The structure further includes a third conductive layer disposed over the first conductive layer, a fourth conductive layer disposed over the second conductive layer, and a dielectric layer disposed on the first surface of the dielectric feature. The dielectric layer is disposed between the third conductive layer and the fourth conductive layer.Type: ApplicationFiled: November 20, 2024Publication date: March 6, 2025Inventors: Kuan-Ting PAN, Kuo-Cheng CHIANG, Shang-Wen CHANG, Ching-Wei TSAI, Kuan-Lun CHENG, Chih-Hao WANG
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Patent number: 12243780Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a gate stack over a substrate. The substrate has a base and a multilayer structure over the base, and the gate stack wraps around the multilayer structure. The method includes partially removing the multilayer structure, which is not covered by the gate stack. The multilayer structure remaining under the gate stack forms a multilayer stack, and the multilayer stack includes a sacrificial layer and a channel layer over the sacrificial layer. The method includes partially removing the sacrificial layer to form a recess in the multilayer stack. The method includes forming an inner spacer layer in the recess and a bottom spacer over a sidewall of the channel layer. The method includes forming a source/drain structure over the bottom spacer. The bottom spacer separates the source/drain structure from the channel layer.Type: GrantFiled: September 13, 2021Date of Patent: March 4, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ching-Wei Tsai, Yu-Xuan Huang, Kuan-Lun Cheng, Chih-Hao Wang, Min Cao, Jung-Hung Chang, Lo-Heng Chang, Pei-Hsun Wang, Kuo-Cheng Chiang
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Publication number: 20250071331Abstract: A method and apparatus for video coding are disclosed. According to the method for the decoder side, a first syntax, related to whether the current block is coded in a CCLM related mode, is parsed from a bitstream comprising the encoded data for the current block. If the first syntax indicates the current block being coded in the CCLM related mode, a second syntax is parsed from the bitstream, wherein the second syntax is related to whether a multiple model CCLM mode is used or whether one or more model parameters are explicitly signalled or implicitly derived. The model parameters for the second-colour block are determined if the first syntax indicates the current block being coded in a CCLM related mode. The encoded data associated with the second-colour block is then decoded using prediction data comprising the cross-colour predictor for the second-colour block.Type: ApplicationFiled: January 18, 2023Publication date: February 27, 2025Inventors: Chia-Ming TSAI, Chun-Chia CHEN, Chih-Wei HSU, Ching-Yeh CHEN, Tzu-Der CHUANG
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Publication number: 20250071288Abstract: A method and apparatus for video coding are disclosed. According to the method for the decoder side, encoded data associated with a current block comprising a first-colour block and a second-colour block are received. An inherited model parameter set is determined from a previously coded block coded in a first CCLM related mode, wherein the inherited model parameter set comprises a first scaling parameter associated with the first CCLM related mode. A final inherited model parameter set is derived if an update value for the inherited model parameter set is determined, where the final inherited model parameter set is determined based on the first scaling parameter and the update value. Then, the encoded data associated with the second-colour block are decoded using prediction data based on an updated CCLM related model associated with the final inherited model parameter set. A method and apparatus for the encoder side are also disclosed.Type: ApplicationFiled: January 18, 2023Publication date: February 27, 2025Inventors: Chia-Ming TSAI, Chun-Chia CHEN, Chih-Wei HSU, Ching-Yeh CHEN, Tzu-Der CHUANG
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Publication number: 20250070011Abstract: A method includes forming first integrated circuit devices and second integrated circuit devices on a semiconductor substrate of a wafer, forming a metal layer as a part of the wafer, and forming a transistor comprising a first source/drain region connected to the first integrated circuit devices. The transistor is farther away from the semiconductor substrate than the metal layer. An electrical connector is formed on a surface of the wafer, and is electrically connected to a second source/drain region of the transistor.Type: ApplicationFiled: January 2, 2024Publication date: February 27, 2025Inventors: Chih-Chao Chou, Cheng-Chi Chuang, Chih-Hao Wang, Ching-Wei Tsai, Shang-Wen Chang
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Patent number: 12237233Abstract: Semiconductor devices and methods are provided which facilitate performing physical failure analysis (PFA) testing from a backside of the devices. In at least one example, a device is provided that includes a semiconductor device layer including a plurality of diffusion regions. A first interconnection structure is disposed on a first side of the semiconductor device layer, and the first interconnection structure includes at least one electrical contact. A second interconnection structure is disposed on a second side of the semiconductor device layer, and the second interconnection structure includes a plurality of backside power rails. Each of the backside power rails at least partially overlaps a respective diffusion region of the plurality of diffusion regions and defines openings which expose portions of the respective diffusion region at the second side of the semiconductor device layer.Type: GrantFiled: May 6, 2022Date of Patent: February 25, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chih-Chao Chou, Yi-Hsun Chiu, Shang-Wen Chang, Ching-Wei Tsai, Chih-Hao Wang
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Publication number: 20250063809Abstract: The present disclosure describes a structure including a fin field effect transistor (finFET) and a nano-sheet transistor on a substrate and a method of forming the structure. The method can include forming first and second vertical structures over a substrate, where each of the first and the second vertical structures can include a buffer region and a first channel layer formed over the buffer region. The method can further include disposing a masking layer over the first channel layer of the first and second vertical structures, removing a portion of the first vertical structure to form a first recess, forming a second channel layer in the first recess, forming a second recess in the second channel layer, and disposing an insulating layer in the second recess.Type: ApplicationFiled: November 7, 2024Publication date: February 20, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wang-Chun Huang, Chih-Hao Wang, Ching-Wei Tsai, Kuan-Lun Cheng