Patents by Inventor Min-Kun Dai
Min-Kun Dai 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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Patent number: 12167609Abstract: A method of forming a semiconductor structure includes following operations. A memory layer is formed over the first gate electrode. A channel layer is formed over the memory layer. A first SUT treatment is performed. A second dielectric layer is formed over the memory layer and the channel layer. A source electrode and a drain electrode are formed in the second dielectric layer. A temperature of the first SUT treatment is less than approximately 400° C.Type: GrantFiled: January 31, 2022Date of Patent: December 10, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Min-Kun Dai, Yen-Chieh Huang, Kuo-Chang Chiang, Han-Ting Tsai, Tsann Lin, Chung-Te Lin
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Publication number: 20240389343Abstract: A method for forming a semiconductor structure includes following operations. A substrate is received. The substrate includes a first dielectric layer and a conducive layer formed in the first dielectric layer. A ferroelectric layer is formed over the first dielectric layer and the conductive layer. A metal oxide semiconductor layer is formed over the ferroelectric layer. An SUT treatment is performed. A temperature of the SUT treatment is less than approximately 400° C.Type: ApplicationFiled: July 25, 2024Publication date: November 21, 2024Inventors: MIN-KUN DAI, YEN-CHIEH HUANG, KUO-CHANG CHIANG, HAN-TING TSAI, TSANN LIN, CHUNG-TE LIN
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Publication number: 20240389465Abstract: Semiconductor structures and methods of forming the same are provided. An exemplary semiconductor structure includes a substrate, a dielectric layer over the substrate, memory cells disposed in the dielectric layer, and a metal line above the memory cells. Each of the memory cells includes, from bottom to top, a bottom electrode, a memory material layer stack, and a top electrode. A bottom surface of the metal line has a continuously flat portion that directly interfaces each of the top electrodes of the memory cells.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Inventors: Yu-Feng Yin, Min-Kun Dai, Chien-Hua Huang, Chung-Te Lin
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Patent number: 12078607Abstract: A method of characterizing a wide-bandgap semiconductor material is provided. A substrate is provided, which includes a layer stack of a conductive material layer, a dielectric material layer, and a wide-bandgap semiconductor material layer. A mercury probe is disposed on a top surface of the wide-bandgap semiconductor material layer. Alternating-current (AC) capacitance of the layer stack is determined as a function of a variable direct-current (DC) bias voltage across the conductive material layer and the wide-bandgap semiconductor material layer. A material property of the wide-bandgap semiconductor material layer is extracted from a profile of the AC capacitance as a function of the DC bias voltage.Type: GrantFiled: January 6, 2022Date of Patent: September 3, 2024Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Chih-Yu Chang, Ken-Ichi Goto, Yen-Chieh Huang, Min-Kun Dai, Han-Ting Tsai, Sai-Hooi Yeong, Yu-Ming Lin, Chung-Te Lin
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Publication number: 20240162318Abstract: A thin film transistor includes a gate electrode embedded in an insulating layer that overlies a substrate, a gate dielectric overlying the gate electrode, an active layer comprising a compound semiconductor material and overlying the gate dielectric, and a source electrode and drain electrode contacting end portions of the active layer. The gate dielectric may have thicker portions over interfaces with the insulating layer to suppress hydrogen diffusion therethrough. Additionally or alternatively, a passivation capping dielectric including a dielectric metal oxide material may be interposed between the active layer and a dielectric layer overlying the active layer to suppress hydrogen diffusion therethrough.Type: ApplicationFiled: January 26, 2024Publication date: May 16, 2024Inventors: Min-Kun DAI, Wei-Gang CHIU, I-Cheng CHANG, Cheng-Yi WU, Han-Ting TSAI, Tsann LIN, Chung-Te LIN
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Publication number: 20240099149Abstract: Semiconductor structure and methods of forming the same are provided. An exemplary method includes receiving a workpiece including a magnetic tunneling junction (MTJ) and a conductive capping layer disposed on the MTJ, depositing a first dielectric layer over the workpiece, performing a first planarization process to the first dielectric layer, and after the performing of the first planarization process, patterning the first dielectric layer to form an opening exposing a top surface of the conductive capping layer, selectively removing the conductive capping layer. The method also includes depositing an electrode layer to fill the opening and performing a second planarization process to the workpiece such that a top surface of the electrode layer and a top surface of the first dielectric layer are coplanar.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Yu-Feng Yin, Min-Kun Dai, Chien-Hua Huang, Chung-Te Lin
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Patent number: 11935935Abstract: A thin film transistor includes a gate electrode embedded in an insulating layer that overlies a substrate, a gate dielectric overlying the gate electrode, an active layer comprising a compound semiconductor material and overlying the gate dielectric, and a source electrode and drain electrode contacting end portions of the active layer. The gate dielectric may have thicker portions over interfaces with the insulating layer to suppress hydrogen diffusion therethrough. Additionally or alternatively, a passivation capping dielectric including a dielectric metal oxide material may be interposed between the active layer and a dielectric layer overlying the active layer to suppress hydrogen diffusion therethrough.Type: GrantFiled: November 11, 2021Date of Patent: March 19, 2024Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Min-Kun Dai, Wei-Gang Chiu, I-Cheng Chang, Cheng-Yi Wu, Han-Ting Tsai, Tsann Lin, Chung-Te Lin
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Patent number: 11856854Abstract: Semiconductor structure and methods of forming the same are provided. An exemplary method includes receiving a workpiece including a magnetic tunneling junction (MTJ) and a conductive capping layer disposed on the MTJ, depositing a first dielectric layer over the workpiece, performing a first planarization process to the first dielectric layer, and after the performing of the first planarization process, patterning the first dielectric layer to form an opening exposing a top surface of the conductive capping layer, selectively removing the conductive capping layer. The method also includes depositing an electrode layer to fill the opening and performing a second planarization process to the workpiece such that a top surface of the electrode layer and a top surface of the first dielectric layer are coplanar.Type: GrantFiled: September 2, 2021Date of Patent: December 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Feng Yin, Min-Kun Dai, Chien-Hua Huang, Chung-Te Lin
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Patent number: 11837667Abstract: A planar insulating spacer layer is formed over a substrate, and a vertical stack of a gate electrode, a gate dielectric layer, and a first semiconducting metal oxide layer may be formed thereabove. The first semiconducting metal oxide layer includes atoms of a first n-type dopant at a first average dopant concentration. A second semiconducting metal oxide layer is formed over the first semiconducting metal oxide layer. Portions of the second semiconducting metal oxide layer are doped with the second n-type dopant to provide a source-side n-doped region and a drain-side n-doped region that include atoms of the second n-type dopant at a second average dopant concentration that is greater than the first average dopant concentration. Various dopants may be introduced to enhance performance of the thin film transistor.Type: GrantFiled: June 29, 2022Date of Patent: December 5, 2023Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Min-Kun Dai, I-Cheng Chang, Cheng-Yi Wu, Han-Ting Tsai, Tsann Lin, Chung-Te Lin, Wei-Gang Chiu
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Publication number: 20230363173Abstract: Provided is a method of forming a ferroelectric memory device including: forming a ferroelectric layer between a gate electrode and a channel layer by a first atomic layer deposition (ALD) process. The first ALD process includes: providing a first precursor during a first section; and providing a first mixed precursor during a second section, wherein the first mixed precursor includes a hafnium-containing precursor and a zirconium-containing precursor. In this case, the ferroelectric layer is directly formed as Hf0.5Zr0.5O2 with an orthorhombic phase (O-phase) to enhance the ferroelectric polarization and property.Type: ApplicationFiled: May 9, 2022Publication date: November 9, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Rainer Yen-Chieh Huang, Han-Ting Tsai, Tsann Lin, Kuo-Chang Chiang, Min-Kun Dai, Chung-Te Lin
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Publication number: 20230157032Abstract: The present disclosure relates integrated chip structure. The integrated chip structure includes a memory array having a plurality of memory devices arranged in a plurality of rows and a plurality of columns. A word-line is coupled to a first set of the plurality of memory devices disposed within a first row of the plurality of rows. A bit-line is coupled to a second set of the plurality of memory devices disposed within a first column of the plurality of columns. A local interconnect extends in parallel to the bit-line and is coupled to the bit-line and two or more of the second set of the plurality of memory devices. The local interconnect is coupled to the bit-line by a plurality of interconnect vias that are between the local interconnect and the bit-line.Type: ApplicationFiled: March 9, 2022Publication date: May 18, 2023Inventors: Yu-Feng Yin, Min-Kun Dai, Chien-Hua Huang, Chung-Te Lin
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Publication number: 20230050640Abstract: A method of characterizing a wide-bandgap semiconductor material is provided. A substrate is provided, which includes a layer stack of a conductive material layer, a dielectric material layer, and a wide-bandgap semiconductor material layer. A mercury probe is disposed on a top surface of the wide-bandgap semiconductor material layer. Alternating-current (AC) capacitance of the layer stack is determined as a function of a variable direct-current (DC) bias voltage across the conductive material layer and the wide-bandgap semiconductor material layer. A material property of the wide-bandgap semiconductor material layer is extracted from a profile of the AC capacitance as a function of the DC bias voltage.Type: ApplicationFiled: January 6, 2022Publication date: February 16, 2023Inventors: Chih-Yu CHANG, Ken-Ichi GOTO, Yen-Chieh HUANG, Min-Kun DAI, Han-Ting TSAI, Sai-Hooi YEONG, Yu-Ming LIN, Chung-Te LIN
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Publication number: 20230036606Abstract: A method of forming a semiconductor structure includes following operations. A memory layer is formed over the first gate electrode. A channel layer is formed over the memory layer. A first SUT treatment is performed. A second dielectric layer is formed over the memory layer and the channel layer. A source electrode and a drain electrode are formed in the second dielectric layer. A temperature of the first SUT treatment is less than approximately 400° C.Type: ApplicationFiled: January 31, 2022Publication date: February 2, 2023Inventors: MIN-KUN DAI, YEN-CHIEH HUANG, KUO-CHANG CHIANG, HAN-TING TSAI, TSANN LIN, CHUNG-TE LIN
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Publication number: 20220352333Abstract: A thin film transistor includes a gate electrode embedded in an insulating layer that overlies a substrate, a gate dielectric overlying the gate electrode, an active layer comprising a compound semiconductor material and overlying the gate dielectric, and a source electrode and drain electrode contacting end portions of the active layer. The gate dielectric may have thicker portions over interfaces with the insulating layer to suppress hydrogen diffusion therethrough. Additionally or alternatively, a passivation capping dielectric including a dielectric metal oxide material may be interposed between the active layer and a dielectric layer overlying the active layer to suppress hydrogen diffusion therethrough.Type: ApplicationFiled: November 11, 2021Publication date: November 3, 2022Inventors: Min-Kun DAI, Wei-Gang CHIU, I-Cheng CHANG, Cheng-Yi WU, Han-Ting TSAI, Tsann LIN, Chung-Te LIN
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Publication number: 20220336671Abstract: A planar insulating spacer layer is formed over a substrate, and a vertical stack of a gate electrode, a gate dielectric layer, and a first semiconducting metal oxide layer may be formed thereabove. The first semiconducting metal oxide layer includes atoms of a first n-type dopant at a first average dopant concentration. A second semiconducting metal oxide layer is formed over the first semiconducting metal oxide layer. Portions of the second semiconducting metal oxide layer are doped with the second n-type dopant to provide a source-side n-doped region and a drain-side n-doped region that include atoms of the second n-type dopant at a second average dopant concentration that is greater than the first average dopant concentration. Various dopants may be introduced to enhance performance of the thin film transistor.Type: ApplicationFiled: June 29, 2022Publication date: October 20, 2022Inventors: Min-Kun Dai, I-Cheng Chang, Cheng-Yi Wu, Han-Ting Tsai, Tsann Lin, Chung-Te Lin, Wei-Gang Chiu
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Publication number: 20220336733Abstract: Semiconductor structure and methods of forming the same are provided. An exemplary method includes providing a substrate having a first region and a second region, forming an array of memory cells over the first region of the substrate, and forming a memory-level dielectric layer around the array of memory cells. Each of the memory cells includes, from bottom to top, a bottom electrode, a memory material layer stack, and a top electrode. The exemplary method also includes forming a metal line directly interfacing a respective row of top electrodes of the array of memory cells. The metal line also directly interfaces a top surface of the memory-level dielectric layer.Type: ApplicationFiled: September 1, 2021Publication date: October 20, 2022Inventors: Yu-Feng Yin, Min-Kun Dai, Chien-Hua Huang, Chung-Te Lin
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Publication number: 20220328758Abstract: Semiconductor structure and methods of forming the same are provided. An exemplary method includes receiving a workpiece including a magnetic tunneling junction (MTJ) and a conductive capping layer disposed on the MTJ, depositing a first dielectric layer over the workpiece, performing a first planarization process to the first dielectric layer, and after the performing of the first planarization process, patterning the first dielectric layer to form an opening exposing a top surface of the conductive capping layer, selectively removing the conductive capping layer. The method also includes depositing an electrode layer to fill the opening and performing a second planarization process to the workpiece such that a top surface of the electrode layer and a top surface of the first dielectric layer are coplanar.Type: ApplicationFiled: September 2, 2021Publication date: October 13, 2022Inventors: Yu-Feng Yin, Min-Kun Dai, Chien-Hua Huang, Chung-Te Lin
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Publication number: 20220254930Abstract: A planar insulating spacer layer is formed over a substrate, and a vertical stack of a gate electrode, a gate dielectric layer, and a first semiconducting metal oxide layer may be formed thereabove. The first semiconducting metal oxide layer includes atoms of a first n-type dopant at a first average dopant concentration. A second semiconducting metal oxide layer is formed over the first semiconducting metal oxide layer. Portions of the second semiconducting metal oxide layer are doped with the second n-type dopant to provide a source-side n-doped region and a drain-side n-doped region that include atoms of the second n-type dopant at a second average dopant concentration that is greater than the first average dopant concentration. Various dopants may be introduced to enhance performance of the thin film transistor.Type: ApplicationFiled: February 11, 2021Publication date: August 11, 2022Inventors: Min-Kun DAI, I-Cheng CHANG, Cheng-Yi WU, Han-Ting TSAI, Tsann LIN, Chung-Te LIN, Wei-Gang CHIU
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Patent number: 11404586Abstract: A planar insulating spacer layer is formed over a substrate, and a vertical stack of a gate electrode, a gate dielectric layer, and a first semiconducting metal oxide layer may be formed thereabove. The first semiconducting metal oxide layer includes atoms of a first n-type dopant at a first average dopant concentration. A second semiconducting metal oxide layer is formed over the first semiconducting metal oxide layer. Portions of the second semiconducting metal oxide layer are doped with the second n-type dopant to provide a source-side n-doped region and a drain-side n-doped region that include atoms of the second n-type dopant at a second average dopant concentration that is greater than the first average dopant concentration. Various dopants may be introduced to enhance performance of the thin film transistor.Type: GrantFiled: February 11, 2021Date of Patent: August 2, 2022Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Min-Kun Dai, I-Cheng Chang, Cheng-Yi Wu, Han-Ting Tsai, Tsann Lin, Chung-Te Lin, Wei-Gang Chiu