Patents by Inventor Mei-Yee Shek
Mei-Yee Shek 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: 11881411Abstract: The present disclosure provides methods for performing an annealing process on a metal containing layer in TFT display applications, semiconductor or memory applications. In one example, a method of forming a metal containing layer on a substrate includes supplying an oxygen containing gas mixture on a substrate in a processing chamber, the substrate comprising a metal containing layer disposed on an optically transparent substrate, maintaining the oxygen containing gas mixture in the processing chamber at a process pressure between about 2 bar and about 50 bar, and thermally annealing the metal containing layer in the presence of the oxygen containing gas mixture.Type: GrantFiled: May 4, 2021Date of Patent: January 23, 2024Assignee: Applied Materials, Inc.Inventors: Kaushal K. Singh, Mei-Yee Shek, Srinivas D. Nemani, Ellie Y. Yieh
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Publication number: 20230187276Abstract: Embodiments herein provide for oxygen based treatment of low-k dielectric layers deposited using a flowable chemical vapor deposition (FCVD) process. Oxygen based treatment of the FCVD deposited low-k dielectric layers desirably increases the Ebd to capacitance and reliability of the devices while removing voids.Type: ApplicationFiled: February 10, 2023Publication date: June 15, 2023Inventors: Shi YOU, He REN, Naomi YOSHIDA, Nikolaos BEKIARIS, Mehul NAIK, Jay Martin SEAMONS, Jingmei LIANG, Mei-Yee SHEK
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Patent number: 11615984Abstract: Embodiments herein provide for oxygen based treatment of low-k dielectric layers deposited using a flowable chemical vapor deposition (FCVD) process. Oxygen based treatment of the FCVD deposited low-k dielectric layers desirably increases the Ebd to capacitance and reliability of the devices while removing voids.Type: GrantFiled: April 14, 2020Date of Patent: March 28, 2023Assignee: APPLIED MATERIALS, INC.Inventors: Shi You, He Ren, Naomi Yoshida, Nikolaos Bekiaris, Mehul Naik, Martin Jay Seamons, Jingmei Liang, Mei-Yee Shek
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Publication number: 20230066497Abstract: Methods for plasma enhanced chemical vapor deposition (PECVD) of silicon carbonitride films are described. A flowable silicon carbonitride film is formed on a substrate surface by exposing the substrate surface to a precursor and a reactant, the precursor having a structure of general formula (I) or general formula (II) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 are independently selected from hydrogen (H), substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted vinyl, silane, substituted or unsubstituted amine, or halide; purging the processing chamber of the silicon precursor, and then exposing the substrate to an ammonia plasma.Type: ApplicationFiled: November 1, 2022Publication date: March 2, 2023Applicant: Applied Materials, Inc.Inventors: Mei-Yee Shek, Bhargav S. Citla, Joshua Rubnitz, Jethro Tannos, Chentsau Chris Ying, Srinivas D. Nemani, Ellie Y. Yieh
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Patent number: 11581183Abstract: Embodiments described herein provide for post deposition anneal of a substrate, having an amorphous carbon layer deposited thereon, to desirably reduce variations in local stresses thereacross. In one embodiment, a method of processing a substrate includes positioning a substrate, having an amorphous carbon layer deposited thereon, in a first processing volume, flowing an anneal gas into the first processing volume, heating the substrate to an anneal temperature of not more than about 450° C., and maintaining the substrate at the anneal temperature for about 30 seconds or more. Herein, the amorphous carbon layer was deposited on the substrate using a method which included positioning the substrate on a substrate support disposed in a second processing volume, flowing a processing gas into the second processing volume, applying pulsed DC power to a carbon target disposed in the second processing volume, forming a plasma of the processing gas, and depositing the amorphous carbon layer on the substrate.Type: GrantFiled: March 4, 2021Date of Patent: February 14, 2023Assignee: Applied Materials, Inc.Inventors: Bhargav S. Citla, Mei-Yee Shek, Srinivas D. Nemani
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Patent number: 11566325Abstract: Methods for plasma enhanced chemical vapor deposition (PECVD) of silicon carbonitride films are described. A flowable silicon carbonitride film is formed on a substrate surface by exposing the substrate surface to a precursor and a reactant, the precursor having a structure of general formula (I) or general formula (II) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 are independently selected from hydrogen (H), substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted vinyl, silane, substituted or unsubstituted amine, or halide; purging the processing chamber of the silicon precursor, and then exposing the substrate to an ammonia plasma.Type: GrantFiled: December 14, 2020Date of Patent: January 31, 2023Assignee: Applied Materials, Inc.Inventors: Mei-Yee Shek, Bhargav S. Citla, Joshua Rubnitz, Jethro Tannos, Chentsau Chris Ying, Srinivas D. Nemani, Ellie Y. Yieh
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Publication number: 20210317580Abstract: Embodiments herein provide for oxygen based treatment of low-k dielectric layers deposited using a flowable chemical vapor deposition (FCVD) process. Oxygen based treatment of the FCVD deposited low-k dielectric layers desirably increases the Ebd to capacitance and reliability of the devices while removing voids.Type: ApplicationFiled: April 14, 2020Publication date: October 14, 2021Inventors: Shi YOU, He REN, Naomi YOSHIDA, Nikolaos BEKIARIS, Mehul NAIK, Martin Jay SEAMONS, Jingmei LIANG, Mei-Yee SHEK
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Publication number: 20210257221Abstract: The present disclosure provides methods for performing an annealing process on a metal containing layer in TFT display applications, semiconductor or memory applications. In one example, a method of forming a metal containing layer on a substrate includes supplying an oxygen containing gas mixture on a substrate in a processing chamber, the substrate comprising a metal containing layer disposed on an optically transparent substrate, maintaining the oxygen containing gas mixture in the processing chamber at a process pressure between about 2 bar and about 50 bar, and thermally annealing the metal containing layer in the presence of the oxygen containing gas mixture.Type: ApplicationFiled: May 4, 2021Publication date: August 19, 2021Inventors: Kaushal K. SINGH, Mei-Yee SHEK, Srinivas D. NEMANI, Ellie Y. YIEH
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Publication number: 20210189555Abstract: Methods for plasma enhanced chemical vapor deposition (PECVD) of silicon carbonitride films are described. A flowable silicon carbonitride film is formed on a substrate surface by exposing the substrate surface to a precursor and a reactant, the precursor having a structure of general formula (I) or general formula (II) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 are independently selected from hydrogen (H), substituted or unsubstituted alkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted vinyl, silane, substituted or unsubstituted amine, or halide; purging the processing chamber of the silicon precursor, and then exposing the substrate to an ammonia plasma.Type: ApplicationFiled: December 14, 2020Publication date: June 24, 2021Applicant: Applied Materials, Inc.Inventors: Mei-Yee Shek, Bhargav S. Citla, Joshua Rubnitz, Jethro Tannos, Chentsau Chris Ying, Srinivas D. Nemani, Ellie Y. Yieh
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Publication number: 20210193461Abstract: Embodiments described herein provide for post deposition anneal of a substrate, having an amorphous carbon layer deposited thereon, to desirably reduce variations in local stresses thereacross. In one embodiment, a method of processing a substrate includes positioning a substrate, having an amorphous carbon layer deposited thereon, in a first processing volume, flowing an anneal gas into the first processing volume, heating the substrate to an anneal temperature of not more than about 450° C., and maintaining the substrate at the anneal temperature for about 30 seconds or more. Herein, the amorphous carbon layer was deposited on the substrate using a method which included positioning the substrate on a substrate support disposed in a second processing volume, flowing a processing gas into the second processing volume, applying pulsed DC power to a carbon target disposed in the second processing volume, forming a plasma of the processing gas, and depositing the amorphous carbon layer on the substrate.Type: ApplicationFiled: March 4, 2021Publication date: June 24, 2021Inventors: Bhargav S. CITLA, Mei-Yee SHEK, Srinivas D. NEMANI
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Patent number: 10998200Abstract: The present disclosure provides methods for performing an annealing process on a metal containing layer in TFT display applications, semiconductor or memory applications. In one example, a method of forming a metal containing layer on a substrate includes supplying an oxygen containing gas mixture on a substrate in a processing chamber, the substrate comprising a metal containing layer disposed on an optically transparent substrate, maintaining the oxygen containing gas mixture in the processing chamber at a process pressure between about 2 bar and about 50 bar, and thermally annealing the metal containing layer in the presence of the oxygen containing gas mixture.Type: GrantFiled: January 30, 2019Date of Patent: May 4, 2021Assignee: Applied Materials, Inc.Inventors: Kaushal K. Singh, Mei-Yee Shek, Srinivas D. Nemani, Ellie Y. Yieh
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Patent number: 10950429Abstract: Embodiments described herein provide for post deposition anneal of a substrate, having an amorphous carbon layer deposited thereon, to desirably reduce variations in local stresses thereacross. In one embodiment, a method of processing a substrate includes positioning a substrate, having an amorphous carbon layer deposited thereon, in a first processing volume, flowing an anneal gas into the first processing volume, heating the substrate to an anneal temperature of not more than about 450° C., and maintaining the substrate at the anneal temperature for about 30 seconds or more. Herein, the amorphous carbon layer was deposited on the substrate using a method which included positioning the substrate on a substrate support disposed in a second processing volume, flowing a processing gas into the second processing volume, applying pulsed DC power to a carbon target disposed in the second processing volume, forming a plasma of the processing gas, and depositing the amorphous carbon layer on the substrate.Type: GrantFiled: April 26, 2019Date of Patent: March 16, 2021Assignee: APPLIED MATERIALS, INC.Inventors: Bhargav S. Citla, Mei-Yee Shek, Srinivas D. Nemani
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Patent number: 10916433Abstract: Methods for forming low resistivity metal silicide interconnects using one or a combination of a physical vapor deposition (PVD) process and an anneal process are described herein. In one embodiment, a method of forming a plurality of wire interconnects includes flowing a sputtering gas into a processing volume of a processing chamber, applying a power to a target disposed in the processing volume, forming a plasma in a region proximate to the sputtering surface of the target, and depositing the metal and silicon layer on the surface of the substrate. Herein, the first target comprises a metal silicon alloy and a sputtering surface thereof is angled with respect to a surface of the substrate at between about 10° and about 50°.Type: GrantFiled: March 27, 2019Date of Patent: February 9, 2021Assignee: APPLIED MATERIALS, INC.Inventors: He Ren, Maximillian Clemons, Mei-Yee Shek, Minrui Yu, Bencherki Mebarki, Mehul B. Naik, Chentsau Ying, Srinivas D. Nemani
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Patent number: 10714331Abstract: A method for forming a thermally stable spacer layer is disclosed. The method includes first disposing a substrate in an internal volume of a processing chamber. The substrate has a film formed thereon, the film including silicon, carbon, nitrogen, and hydrogen. Next, high pressure steam is introduced into the processing chamber. The film is exposed to the high pressure steam to convert the film to reacted film, the reacted film including silicon, carbon, oxygen, and hydrogen.Type: GrantFiled: March 15, 2019Date of Patent: July 14, 2020Assignee: APPLIED MATERIALS, INC.Inventors: Mihaela Balseanu, Srinivas D. Nemani, Mei-Yee Shek, Ellie Y. Yieh
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Publication number: 20190348283Abstract: Embodiments described herein provide for post deposition anneal of a substrate, having an amorphous carbon layer deposited thereon, to desirably reduce variations in local stresses thereacross. In one embodiment, a method of processing a substrate includes positioning a substrate, having an amorphous carbon layer deposited thereon, in a first processing volume, flowing an anneal gas into the first processing volume, heating the substrate to an anneal temperature of not more than about 450° C., and maintaining the substrate at the anneal temperature for about 30 seconds or more. Herein, the amorphous carbon layer was deposited on the substrate using a method which included positioning the substrate on a substrate support disposed in a second processing volume, flowing a processing gas into the second processing volume, applying pulsed DC power to a carbon target disposed in the second processing volume, forming a plasma of the processing gas, and depositing the amorphous carbon layer on the substrate.Type: ApplicationFiled: April 26, 2019Publication date: November 14, 2019Inventors: Bhargav S. CITLA, Mei-Yee SHEK, Srinivas D. NEMANI
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Publication number: 20190311908Abstract: Methods for forming low resistivity metal silicide interconnects using one or a combination of a physical vapor deposition (PVD) process and an anneal process are described herein. In one embodiment, a method of forming a plurality of wire interconnects includes flowing a sputtering gas into a processing volume of a processing chamber, applying a power to a target disposed in the processing volume, forming a plasma in a region proximate to the sputtering surface of the target, and depositing the metal and silicon layer on the surface of the substrate. Herein, the first target comprises a metal silicon alloy and a sputtering surface thereof is angled with respect to a surface of the substrate at between about 10° and about 50°.Type: ApplicationFiled: March 27, 2019Publication date: October 10, 2019Inventors: He REN, Maximillian CLEMONS, Mei-Yee SHEK, Minrui YU, Bencherki MEBARKI, Mehul B. NAIK, Chentsau YING, Srinivas D. NEMANI
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Publication number: 20190311896Abstract: A method for forming a thermally stable spacer layer is disclosed. The method includes first disposing a substrate in an internal volume of a processing chamber. The substrate has a film formed thereon, the film including silicon, carbon, nitrogen, and hydrogen. Next, high pressure steam is introduced into the processing chamber. The film is exposed to the high pressure steam to convert the film to reacted film, the reacted film including silicon, carbon, oxygen, and hydrogen.Type: ApplicationFiled: March 15, 2019Publication date: October 10, 2019Inventors: Mihaela BALSEANU, Srinivas D. NEMANI, Mei-Yee SHEK, Ellie Y. YIEH
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Publication number: 20190279879Abstract: The present disclosure provides methods for performing an annealing process on a metal containing layer in TFT display applications, semiconductor or memory applications. In one example, a method of forming a metal containing layer on a substrate includes supplying an oxygen containing gas mixture on a substrate in a processing chamber, the substrate comprising a metal containing layer disposed on an optically transparent substrate, maintaining the oxygen containing gas mixture in the processing chamber at a process pressure between about 2 bar and about 50 bar, and thermally annealing the metal containing layer in the presence of the oxygen containing gas mixture.Type: ApplicationFiled: January 30, 2019Publication date: September 12, 2019Inventors: Kaushal K. SINGH, Mei-Yee SHEK, Srinivas D. NEMANI, Ellie Y. YIEH
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Publication number: 20190258153Abstract: The present disclosure provides methods for forming a material layer in a film stack for manufacturing a photomask in EUV applications and phase shift and binary photomask applications. In one example, a method for forming a dielectric material on a substrate includes supplying an oxygen containing gas mixture on a substrate in a processing chamber, the substrate comprising a dielectric material disposed on an optically transparent silicon containing material, maintaining the oxygen containing gas mixture in the processing chamber at a process pressure at greater than 2 bar, and thermally treating the dielectric material in the presence of the oxygen containing gas mixture.Type: ApplicationFiled: January 30, 2019Publication date: August 22, 2019Inventors: Srinivas D. NEMANI, Ellie Y. YIEH, Mei-Yee SHEK
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Patent number: 10008448Abstract: An interconnect structure for use in semiconductor devices and a method for fabricating the same is described. The method includes positioning a substrate in a vacuum processing chamber, wherein the substrate comprises a copper layer having an exposed surface and a low-k dielectric layer having an exposed surface, forming a metal layer over the exposed surface of the copper layer, wherein the exposed surface of the low-k dielectric layer is free from the metal layer, and forming a metal-based dielectric layer over the metal layer and over at least part of the exposed low-k dielectric surface, wherein the metal-based dielectric layer comprises an aluminum compound.Type: GrantFiled: February 22, 2017Date of Patent: June 26, 2018Assignee: Applied Materials, Inc.Inventors: He Ren, Mehul B. Naik, Yong Cao, Mei-yee Shek