Patents Assigned to Semiconductor Manufacturing
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Patent number: 11387233Abstract: A semiconductor device structure, along with methods of forming such, are described. The structure includes a source region, a drain region, and a gate electrode layer disposed between the source region and the drain region. The gate electrode layer includes a first surface facing the source region, and the first surface includes an edge portion having a first height. The gate electrode layer further includes a second surface opposite the first surface and facing the drain region. The second surface includes an edge portion having a second height. The second height is different from the first height.Type: GrantFiled: June 29, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Huan-Chieh Su, Chun-Yuan Chen, Pei-Yu Wang, Cheng-Chi Chuang, Chih-Hao Wang
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Patent number: 11385555Abstract: A particle removal method includes loading a particle attracting member with a coating layer into a processing chamber of a processing apparatus. The method also includes fixing the particle attracting member on a holder in the processing chamber in a cleaning cycle. The method also includes attracting particles in the processing chamber by the coating layer of the particle attracting member due to a potential difference between the particles and the coating layer. The particles are attracted to the surface of the coating layer. The method further includes loading the particle attracting member with the coating layer and the attracted particles out of the processing chamber, after the cleaning cycle. In addition, the method includes loading a semiconductor wafer into the processing chamber, and performing a semiconductor process on the semiconductor wafer in the processing chamber. The semiconductor process is performed after the cleaning cycle.Type: GrantFiled: May 6, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chih-Yuan Yao, Yu-Yu Chen, Hsiang-Lung Tsou
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Patent number: 11387114Abstract: A semiconductor device includes a substrate, a first well, a second well, a metal gate, a poly gate, a source region, and a drain region. The first well and the second well are within the substrate. The metal gate is partially over the first well. The poly gate is over the second well. The poly gate is separated from the metal gate, and a width ratio of the poly gate to the metal gate is in a range from about 0.1 to about 0.2. The source region and the drain region are respectively within the first well and the second well.Type: GrantFiled: February 20, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Alexander Kalnitsky, Wei-Cheng Wu, Harry-Hak-Lay Chuang
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Patent number: 11387177Abstract: A package structure and a method for forming the same are provided. The package structure includes a die, a first molding surrounding the die, a first redistribution layer (RDL), an interposer disposed over the first RDL, a second molding surrounding the interposer, a first via, and a second RDL. The first RDL includes a first dielectric layer disposed over the die and the first molding, and a first interconnect structure surrounded by the first dielectric layer and electrically connected to the die. The interposer is electrically connected to the die through the first interconnect structure. The first via extends through and within the second molding and is adjacent to the interposer. The second RDL includes a second dielectric layer disposed over the interposer and the second molding, and a second interconnect structure surrounded by the second dielectric layer and electrically connected to the via and the interposer.Type: GrantFiled: June 17, 2019Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Chin-Her Chien, Po-Hsiang Huang, Cheng-Hung Yeh, Tai-Yu Wang, Ming-Ke Tsai, Yao-Hsien Tsai, Kai-Yun Lin, Chin-Yuan Huang, Kai-Ming Liu, Fong-Yuan Chang, Chin-Chou Liu, Yi-Kan Cheng
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Patent number: 11387204Abstract: A semiconductor structure including a semiconductor substrate, an interconnect structure disposed over the semiconductor substrate, and a bonding structure disposed over the interconnect structure is provided. The bonding structure includes a dielectric layer covering the interconnect structure, signal transmission features penetrating through the dielectric layer, and a thermal conductive feature penetrating through the dielectric layer. The thermal conductive feature includes a thermal routing and thermal pads, and the thermal pads are disposed on and share the thermal routing.Type: GrantFiled: January 16, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jie Chen, Hsien-Wei Chen
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Patent number: 11387411Abstract: A memory cell and method including a first electrode formed through a first opening in a first dielectric layer, a resistive layer formed on the first electrode, a spacing layer formed on the resistive layer, a second electrode formed on the resistive layer, and a second dielectric layer formed on the second electrode, the second dielectric layer including a second opening. The first dielectric layer formed on a substrate including a first metal layer. The first electrode and the resistive layer collectively include a first lip region that extends a first distance beyond the first opening. The second electrode and the second dielectric layer collectively include a second lip region that extends a second distance beyond the first opening. The spacing layer extends from the second distance to the first distance. The second electrode is coupled to a second metal layer using a via that extends through the second opening.Type: GrantFiled: August 14, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chih-Yang Chang, Hsia-Wei Chen, Chin-Chieh Yang, Kuo-Chi Tu, Wen-Ting Chu, Yu-Wen Liao
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Patent number: 11387242Abstract: An integrated chip includes a first well region, second well region, and third well region disposed within a substrate. The second well region is laterally between the first and third well regions. An isolation structure is disposed within the substrate and laterally surrounds the first, second, and third well regions. A floating gate overlies the substrate and laterally extends from the first well region to the third well region. A dielectric structure is disposed under the floating gate. A bit line write region is disposed within the second well region and includes source/drain regions disposed on opposite sides of the floating gate. A bit line read region is disposed within the second well region, is laterally offset from the bit line write region by a non-zero distance, and includes source/drain regions disposed on the opposite sides of the floating gate.Type: GrantFiled: October 13, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shih-Hsien Chen, Chun-Yao Ko, Felix Ying-Kit Tsui
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Patent number: 11387167Abstract: Present disclosure provides a semiconductor structure, including a semiconductor substrate, a first metal layer, and a through substrate via (TSV). The semiconductor substrate has an active side. The first metal layer is closest to the active side of the semiconductor substrate, and the first metal layer has a first continuous metal feature. The TSV is extending from the semiconductor substrate to the first continuous metal feature. A width of the TSV at the first metal layer is wider than a width of the first continuous metal feature. Present disclosure also provides a method for manufacturing the semiconductor structure described herein.Type: GrantFiled: July 3, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Min-Feng Kao, Dun-Nian Yaung, Jen-Cheng Liu, Ching-Chun Wang, Kuan-Chieh Huang, Hsing-Chih Lin, Yi-Shin Chu
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Patent number: 11387362Abstract: A semiconductor device includes a gate-all-around field effect transistor (GAA FET). The GAA FET includes channel regions made of a first semiconductor material disposed over a bottom fin layer made of a second semiconductor material, and a source/drain region made of a third semiconductor material. The first semiconductor material is Si1-xGex, where 0.9?x?1.0, and the second semiconductor material is Si1-yGey, where y<x and 0.3?y?0.7.Type: GrantFiled: May 30, 2019Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Georgios Vellianitis, Gerben Doornbos, Marcus Van Dal
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Patent number: 11387344Abstract: A semiconductor device and method of manufacture are provided. In some embodiments a treatment process is utilized to treat a work function layer. The treatment prevents excessive oxidation of the work function layer during subsequent processing steps, such as application of a subsequent photoresist material, thereby allowing the work function layer to be thinner than otherwise.Type: GrantFiled: June 1, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chia-Ching Lee, Hung-Chin Chung, Chung-Chiang Wu, Hsuan-Yu Tung, Kuan-Chang Chiu, Chien-Hao Chen, Chi On Chui
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Patent number: 11387406Abstract: In an embodiment, a method includes: forming a first inter-metal dielectric (IMD) layer over a semiconductor substrate; forming a bottom electrode layer over the first IMD layer; forming a magnetic tunnel junction (MTJ) film stack over the bottom electrode layer; forming a first top electrode layer over the MTJ film stack; forming a protective mask covering a first region of the first top electrode layer, a second region of the first top electrode layer being uncovered by the protective mask; forming a second top electrode layer over the protective mask and the first top electrode layer; and patterning the second top electrode layer, the first top electrode layer, the MTJ film stack, the bottom electrode layer, and the first IMD layer with an ion beam etching (IBE) process to form a MRAM cell, where the protective mask is etched during the IBE process.Type: GrantFiled: January 17, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tai-Yen Peng, Hui-Hsien Wei, Han-Ting Lin, Sin-Yi Yang, Yu-Shu Chen, An-Shen Chang, Qiang Fu, Chen-Jung Wang
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Patent number: 11387363Abstract: A method includes forming a first channel region and a first gate structure formed over the first channel region. A first source/drain region is formed adjacent the first channel region and the first source/drain region includes a crystalline structure doped with a first dopant. A first silicide is formed over the first source/drain region. The first source/drain region includes a first concentration of the first dopant between 2.0×1021 atoms per centimeter cubed and 4.0×1021 atoms per centimeter cubed at a depth of 8 to 10 nanometers.Type: GrantFiled: July 20, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
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Patent number: 11387171Abstract: A method of packaging a semiconductor die includes connecting an interposer frame directly to a substrate, wherein the interposer frame has a plurality of conductive columns. The method further includes attaching the semiconductor die to the substrate in an opening of the interposer frame, wherein the semiconductor die directly contacts the substrate. The method further includes forming a molding compound to fill space between the semiconductor die and the interposer frame. The method further includes removing a portion of the molding compound to expose the plurality of conductive columns. The method further includes forming a redistribution layer directly contacting a top surface of the semiconductor die and a top surface of the interposer frame.Type: GrantFiled: June 4, 2018Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hui-Min Huang, Shou-Cheng Hu, Chih-Wei Lin, Ming-Da Cheng, Chung-Shi Liu, Chen-Shien Chen
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Patent number: 11387209Abstract: A package structure and method of forming the same are provided. The package structure includes a die, a first dielectric layer, a second dielectric layer and a conductive terminal. The first dielectric layer covers a bottom surface of the die and includes a first edge portion and a first center portion in contact with the bottom surface of the die. The first edge portion is thicker than the first center portion. The second dielectric layer is disposed on the first dielectric layer and laterally surrounding the die. The second dielectric layer includes a second edge portion on the first edge portion and a second center portion in contact with a sidewall of the die. The second edge portion is thinner than the second center portion. The conductive terminal is disposed over the die and the second dielectric layer and electrically connected to the die.Type: GrantFiled: September 8, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company Ltd.Inventors: Sung-Feng Yeh, Hsien-Wei Chen, Ming-Fa Chen
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Patent number: 11387360Abstract: The various described embodiments provide a transistor with a negative capacitance, and a method of creating the same. The transistor includes a gate structure having a ferroelectric layer. The ferroelectric layer is formed by forming a thick ferroelectric film, annealing the ferroelectric film to have a desired phase, and thinning the ferroelectric film to a desired thickness of the ferroelectric layer. This process ensures that the ferroelectric layer will have ferroelectric properties regardless of its thickness.Type: GrantFiled: May 14, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Feng Yuan, Ming-Shiang Lin, Chia-Cheng Ho, Jin Cai, Tzu-Chung Wang, Tung Ying Lee
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Patent number: 11387146Abstract: Semiconductor device and the manufacturing method thereof are disclosed herein. An exemplary semiconductor device comprises a first semiconductor fin and a second semiconductor fin formed over a substrate, wherein lower portions of the first semiconductor fin and the second semiconductor fin are separated by an isolation structure; a first gate stack formed over the first semiconductor fin and a second gate stack formed over the second semiconductor fin; and a separation feature separating the first gate stack and the second gate stack, wherein the separation feature includes a first dielectric layer and a second dielectric layer with an air gap defined therebetween, and a bottom portion of the separation feature being inserted into the isolation structure.Type: GrantFiled: July 17, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Wei-Lun Min, Xusheng Wu, Chang-Miao Liu
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Patent number: 11387168Abstract: A semiconductor device includes a first conductive layer, an organic layer and a silicon layer. The first conductive layer includes a first surface. The organic layer is disposed over the first surface of the first conductive layer. The silicon layer is disposed over the organic layer and extended onto and in contact with the first surface of the first conductive layer.Type: GrantFiled: July 9, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Cheng-Lung Yang, Chih-Hung Su, Chen-Shien Chen, Hon-Lin Huang, Kun-Ming Tsai, Wei-Je Lin
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Patent number: 11387105Abstract: First, second, and third trenches are formed in a layer over a substrate. The third trench is substantially wider than the first and second trenches. The first, second, and third trenches are partially filled with a first conductive material. A first anti-reflective material is coated over the first, second, and third trenches. The first anti-reflective material has a first surface topography variation. A first etch-back process is performed to partially remove the first anti-reflective material. Thereafter, a second anti-reflective material is coated over the first anti-reflective material. The second anti-reflective material has a second surface topography variation that is smaller than the first surface topography variation. A second etch-back process is performed to at least partially remove the second anti-reflective material in the first and second trenches. Thereafter, the first conductive material is partially removed in the first and second trenches.Type: GrantFiled: August 24, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Jin-Dah Chen, Ming-Feng Shieh, Han-Wei Wu, Yu-Hsien Lin, Po-Chun Liu, Stan Chen
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Patent number: 11387113Abstract: A method includes forming a material layer over a substrate, forming a first hard mask (HM) layer over the material layer, forming a first trench, along a first direction, in the first HM layer. The method also includes forming first spacers along sidewalls of the first trench, forming a second trench in the first HM layer parallel to the first trench, by using the first spacers to guard the first trench. The method also includes etching the material layer through the first trench and the second trench, removing the first HM layer and the first spacers, forming a second HM layer over the material layer, forming a third trench in the second HM layer. The third trench extends along a second direction that is perpendicular to the first direction and overlaps with the first trench. The method also includes etching the material layer through the third trench.Type: GrantFiled: October 26, 2020Date of Patent: July 12, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yung-Sung Yen, Chung-Ju Lee, Chun-Kuang Chen, Chia-Tien Wu, Ta-Ching Yu, Kuei-Shun Chen, Ru-Gun Liu, Shau-Lin Shue, Tsai-Sheng Gau, Yung-Hsu Wu
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Patent number: 11386936Abstract: A memory device for sensing memory cell in a memory array includes at least one first memory cell, a first sensing amplifier, a first multiplexer circuit, a plurality of first reference cells, and a controller. The first sensing amplifier is coupled to the at least one first memory cell. An output terminal of the first multiplexer circuit is coupled to the reference terminal of the first sensing amplifier. Each of the first reference cells is coupled to each input node of the first multiplexer circuit. The controller is coupled to a control terminal of the first multiplexer circuit. The first sensing amplifier comprises an output terminal and a reference terminal. The controller controls the first multiplexer circuit to select one of the first reference cells as a selected reference cell to couple to the reference terminal of the first sensing amplifier when each read operation to the at least one first memory cell is performed.Type: GrantFiled: July 9, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hiroki Noguchi, Ku-Feng Lin, Yih Wang