Patents by Inventor Jer-Fu Wang
Jer-Fu Wang 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: 20250081622Abstract: Semiconductor structures and formation processes thereof are provided. A semiconductor structure of the present disclosure includes a semiconductor substrate, a plurality of transistors disposed on the semiconductor substrate and comprising a plurality of gate structures extending lengthwise along a first direction, a metallization layer disposed over the plurality of transistors, the metallization layer comprising a plurality of metal layers and a plurality of contact vias, a dielectric layer over the metallization layer, a plurality of dielectric fins extending parallel along the first direction and disposed over the dielectric layer, a semiconductor layer disposed conformally over the plurality of dielectric fins, a source contact and a drain contact disposed directly on the semiconductor layer, and a gate structure disposed over the semiconductor layer and between the source contact and the drain contact.Type: ApplicationFiled: December 6, 2023Publication date: March 6, 2025Inventors: Hung-Li Chiang, Tsung-En Lee, Jer-Fu Wang, Chao-Ching Cheng, Iuliana Radu, Cheng-Chi Chuang, Chih-Sheng Chang, Ching-Wei Tsai
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Patent number: 12243619Abstract: In some aspects of the present disclosure, a memory array structure is disclosed. In some embodiments, the memory array structure includes a word array. In some embodiments, the word array stores an N-bit word. In some embodiments, the word array includes a plurality of first memory structures and a plurality of second memory structures. In some embodiments, each first memory structure includes a first transistor and a first memory element. In some embodiments, each second memory structure includes a second transistor and a plurality of second memory elements, each second memory element includes a first end and a second end, the first end of each second memory element is coupled to a corresponding bit line, and the second end of each second memory element is coupled to a first end of the second transistor.Type: GrantFiled: July 12, 2022Date of Patent: March 4, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hung-Li Chiang, Jer-Fu Wang, Tzu-Chiang Chen, Meng-Fan Chang
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Publication number: 20250072058Abstract: A semiconductor device structure and a manufacturing method thereof are provided. The semiconductor device structure includes a substrate, complex two-dimensional material layers disposed over the substrate, a gate structure and source and drain regions. The complex two-dimensional material layers are arranged spaced apart from one each other and in parallel to one another. The gate structure is disposed across and wraps around and surrounds first portions of the complex two-dimensional material layers. The source and drain regions are disposed on opposite sides of the gate structure and wrap around and surround second portions of the complex two-dimensional material layers.Type: ApplicationFiled: August 21, 2023Publication date: February 27, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jer-Fu Wang, Hung-Li Chiang, Goutham Arutchelvan, Wei-Sheng Yun, Chao-Ching Cheng, Iuliana Radu
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Publication number: 20250031380Abstract: A memory device including a plurality of memory cells, at least one of the plurality of memory cells includes a first transistor, a second transistor, and a third transistor. The first transistor includes a first drain/source path and a first gate structure electrically coupled to a write word line. The second transistor includes a second drain/source path and a second gate structure electrically coupled to the first drain/source path of the first transistor. The third transistor includes a third drain/source path electrically coupled to the second drain/source path of the second transistor and a third gate structure electrically coupled to a read word line. Where, the first transistor, and/or the second transistor, and/or the third transistor is a ferroelectric field effect transistor or a negative capacitance field effect transistor.Type: ApplicationFiled: July 26, 2024Publication date: January 23, 2025Inventors: Hung-Li Chiang, Jer-Fu Wang, Tzu-Chiang Chen, Meng-Fan Chang
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Publication number: 20240412991Abstract: A method includes forming first bonding pads over a first substrate, wherein the first bonding pads include a layer of ferromagnetic material, wherein each first bonding pad produces a respective magnetic field having a first orientation; and bonding second bonding pads to the first bonding pads using metal-to-metal bonding.Type: ApplicationFiled: October 20, 2023Publication date: December 12, 2024Inventors: Tsung-En Lee, MingYuan Song, Hung-Li Chiang, Jer-Fu Wang, Chao-Ching Cheng, Iuliana Radu
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Publication number: 20240389299Abstract: A memory cell includes a write access transistor, a storage transistor, and a read access transistor. A gate of the write access transistor is connected to a write word line, a source of the write access transistor is connected to a write bit line, and a drain of the write access transistor is connected to a gate of the storage transistor. A source of the storage transistor is connected to a source line and a drain of the storage transistor is connected to a source of the read access transistor. A gate of the read access transistor is connected to a read bit line and a drain of the read access transistor is connected to read bit line. The memory cell further includes a capacitive element having a first connection to the gate of the storage transistor and a second connection to a reference voltage source.Type: ApplicationFiled: July 30, 2024Publication date: November 21, 2024Inventors: Hung-Li CHIANG, Jer-Fu WANG, Tzu-Chiang CHEN, Jui-Jen WU, Meng-Fan CHANG
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Publication number: 20240387277Abstract: A method includes forming a first gate dielectric, a second gate dielectric, and a third gate dielectric over a first semiconductor region, a second semiconductor region, and a third semiconductor region, respectively. The method further includes depositing a first lanthanum-containing layer overlapping the first gate dielectric, and depositing a second lanthanum-containing layer overlapping the second gate dielectric. The second lanthanum-containing layer is thinner than the first lanthanum-containing layer. An anneal process is then performed to drive lanthanum in the first lanthanum-containing layer and the second lanthanum-containing layer into the first gate dielectric and the second gate dielectric, respectively. During the anneal process, the third gate dielectric is free from lanthanum-containing layers thereon.Type: ApplicationFiled: July 25, 2024Publication date: November 21, 2024Inventors: Wen-Hung Huang, Kuo-Feng Yu, Jian-Hao Chen, Shan-Mei Liao, Jer-Fu Wang, Yung-Hsiang Chan
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Publication number: 20240381796Abstract: A resistive memory device includes a bottom electrode, a switching layer including a first horizontal portion, a second horizontal portion over an upper surface of the bottom electrode, and a first vertical portion over a side surface of the bottom electrode, a top electrode including a first horizontal portion over the first horizontal portion of the switching layer, a second horizontal portion over the second horizontal portion of the switching layer, and a first vertical portion over the first vertical portion of the switching layer, and a conductive via contacting the first horizontal portion, the second horizontal portion and the first vertical portion of the top electrode. By providing a switching layer and a top electrode which conform to a non-planar profile of the bottom electrode, charge crowding and a localized increase in electric field may facilitate resistance-state switching and provide a reduced operating voltage.Type: ApplicationFiled: July 25, 2024Publication date: November 14, 2024Inventors: Hung-Li Chiang, Jung-Piao Chiu, Jer-Fu Wang, Tzu-Chiang Chen, Meng-Fan Chang
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Publication number: 20240365689Abstract: The disclosure provides a memory device, a memory array, and an N-bit memory unit. The memory device includes a memory array including an N-bit memory unit, wherein N is a positive integer. The N-bit memory unit includes a first memory cell, used to characterize at least two first bits of a plurality of least significant bits of the N-bit memory unit.Type: ApplicationFiled: July 4, 2024Publication date: October 31, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Tzu-Chiang Chen, Meng-Fan Chang
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Publication number: 20240324228Abstract: A memory array and a structure of the memory array are provided. The memory array includes flash transistors, word lines and bit lines. The flash transistors are arranged in columns and rows. The flash transistors in each column are in serial connection with one another. The word lines are respectively coupled to gate terminals of a row of the flash transistors. The bit lines are respectively coupled to opposite ends of a column of the flash transistors. Band-to-band tunneling current at a selected flash transistor is utilized as read current during a read operation. The BTB tunneling current flows from one of the source/drain terminals of the selected flash transistor to the substrate, rather than flowing from one of the source/drain terminals to the other. As a result, charges stored in multiple programming sites of each flash transistor can be respectively sensed.Type: ApplicationFiled: May 30, 2024Publication date: September 26, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Chao-Ching Cheng, Tzu-Chiang Chen, Chih-Chieh Yeh
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Publication number: 20240315152Abstract: A method of forming a memory device includes the following operations. A first conductive plug is formed within a first dielectric layer over a substrate. A treating process is performed to transform a portion of the first conductive plug into a buffer layer, and the buffer layer caps the remaining portion of the first conductive plug. A phase change layer and a top electrode are sequentially formed over the buffer layer. A second dielectric layer is formed to encapsulate the top electrode and the underlying phase change layer. A second conductive plug is formed within the second dielectric layer and in physical contact with the top electrode. A filamentary bottom electrode is formed within the buffer layer.Type: ApplicationFiled: May 21, 2024Publication date: September 19, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Chao-Ching Cheng, Tzu-Chiang Chen
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Patent number: 12069970Abstract: The disclosure provides a memory device, a method for configuring a first memory cell in an N-bit memory unit of a memory array, and a memory array. The memory device includes a memory array including an N-bit memory unit, wherein N is a positive integer. The N-bit memory unit includes a first memory cell, used to characterize at least two first bits of a plurality of least significant bits of the N-bit memory unit.Type: GrantFiled: February 16, 2022Date of Patent: August 20, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Tzu-Chiang Chen, Meng-Fan Chang
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Publication number: 20240257866Abstract: A semiconductor device includes a memory cell including a first transistor, a second transistor, and a third transistor. The first transistor has a first gate terminal and the second transistor has a second gate terminal, the first gate terminal and the second gate terminal being connected to a first word line and a second word line, respectively. The first transistor has a pair of first source/drain terminals and the second transistor has a pair of second source/drain terminals, one of the pair of first source/drain terminals and one of the pair of second source/drain terminals being connected to a common bit line. The third transistor has a third gate terminal connected to the other of the pair of first source/drain terminals, and a pair of third source/drain terminals connected to the other of the pair of second source/drain terminals and a supply voltage, respectively.Type: ApplicationFiled: January 31, 2023Publication date: August 1, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jen-Chieh Liu, Jui-Jen Wu, Meng-Fan Chang, Jer-FU Wang, Iuliana Radu
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Patent number: 12035532Abstract: A memory array and a structure of the memory array are provided. The memory array includes flash transistors, word lines and bit lines. The flash transistors are arranged in columns and rows. The flash transistors in each column are in serial connection with one another. The word lines are respectively coupled to gate terminals of a row of the flash transistors. The bit lines are respectively coupled to opposite ends of a column of the flash transistors. Band-to-band tunneling current at a selected flash transistor is utilized as read current during a read operation. The BTB tunneling current flows from one of the source/drain terminals of the selected flash transistor to the substrate, rather than flowing from one of the source/drain terminals to the other. As a result, charges stored in multiple programming sites of each flash transistor can be respectively sensed.Type: GrantFiled: January 15, 2021Date of Patent: July 9, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Chao-Ching Cheng, Tzu-Chiang Chen, Chih-Chieh Yeh
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Patent number: 12022752Abstract: A method of forming a memory device includes the following operations. A first conductive plug is formed within a first dielectric layer over a substrate. A treating process is performed to transform a portion of the first conductive plug into a buffer layer, and the buffer layer caps the remaining portion of the first conductive plug. A phase change layer and a top electrode are sequentially formed over the buffer layer. A second dielectric layer is formed to encapsulate the top electrode and the underlying phase change layer. A second conductive plug is formed within the second dielectric layer and in physical contact with the top electrode. A filamentary bottom electrode is formed within the buffer layer.Type: GrantFiled: August 2, 2023Date of Patent: June 25, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Chao-Ching Cheng, Tzu-Chiang Chen
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Publication number: 20240185913Abstract: A memory device and a semiconductor die are provided. The memory device includes: a non-volatile storage device, with a first terminal coupled to a bit line; and an access transistor, configured to control electrical connection between a second terminal of the non-volatile storage device and a source line, and comprising an N-type field effect transistor (NFET) and a P-type field effect transistor (PFET) stacked on the NFET. A common source/drain terminal of the NFET and the PFET is coupled to the second terminal of the non-volatile storage device. Another common source/drain terminal of the NFET and the PFET is coupled to the source line. Further, gate terminals of the NFET and the PFET are coupled to different word lines.Type: ApplicationFiled: February 16, 2023Publication date: June 6, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Iuliana Radu
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Publication number: 20240178228Abstract: A semiconductor device and a logic device formed of the semiconductor device are provided. The semiconductor device includes a first field effect transistor (FET), disposed on a semiconductor substrate, and including vertically separated first channel structures formed as thin sheets each having opposite major planar surfaces facing toward and away from the semiconductor substrate; and a second FET, disposed on the semiconductor substrate and overlapped with the first FET. A conductive type of the second FET is complementary to a conductive type of the first FET. Second channel structures of the second FET are separately arranged along a lateral direction, and formed as thin walls.Type: ApplicationFiled: February 7, 2023Publication date: May 30, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Iuliana Radu
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Publication number: 20240130100Abstract: A memory device is provided. The memory device includes a write pass-gate transistor, a read pass-gate transistor, a write word line, and a read word line. The write pass-gate transistor is disposed in a first layer. The read pass-gate transistor is disposed in a second layer above the first layer. The write word line is disposed in a metallization layer above the first layer and electrically coupled to the write pass-gate transistor through a write path. The read word line is disposed in the metallization layer and electrically coupled to the read pass-gate transistor through a read path. The write path is different from the read path.Type: ApplicationFiled: February 1, 2023Publication date: April 18, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Li Chiang, Jer-Fu Wang, Yi-Tse Hung, Chao-Ching Cheng, Iuliana Radu
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Publication number: 20240113197Abstract: An electronic device and a method for manufacturing the same are provided. The electronic device includes a substrate and a gate structure. The substrate includes a fin. The fin includes a source region and a drain region spaced apart from the source region. The gate structure is located between the source region and the drain region. The gate structure includes a work function layer. The work function layer includes a compound of a metal material and a Group VIA material.Type: ApplicationFiled: January 16, 2023Publication date: April 4, 2024Inventors: JER-FU WANG, CHAO-CHING CHENG, HUNG-LI CHIANG, IULIANA RADU
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Patent number: 11929115Abstract: A memory device and an operation method thereof are provided. The memory device includes memory cells, each having a static random access memory (SRAM) cell and a non-volatile memory cell. The SRAM cell is configured to store complementary data at first and second storage nodes. The non-volatile memory cell is configured to replicate and retain the complementary data before the SRAM cell loses power supply, and to rewrite the replicated data to the first and second storage nodes of the SRAM cell after the power supply of the SRAM cell is restored.Type: GrantFiled: April 8, 2022Date of Patent: March 12, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jer-Fu Wang, Hung-Li Chiang, Yi-Tse Hung, Tzu-Chiang Chen, Meng-Fan Chang