Patents by Inventor Muhannad MUSTAFA
Muhannad MUSTAFA 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: 11732358Abstract: Process chamber lids, processing chambers and methods using the lids are described. The lid includes a pumping liner with a showerhead, blocker plate and gas funnel positioned therein. A liner heater is positioned on the pumping liner to control temperature in the pumping liner. Gas is flowed into the gas funnel using a dead-volume free one-way valve with a remote plasma source.Type: GrantFiled: August 17, 2022Date of Patent: August 22, 2023Assignee: APPLIED MATERIALS, INC.Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Srinivas Gandikota, Wei V. Tang
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Patent number: 11719255Abstract: Pumping liners for process chambers including a first ring-shaped body and a second ring-shaped body are described. The first ring-shaped body has a first plurality of openings and the second ring-shaped body has a second plurality of openings. The first ring-shaped body and the second ring-shaped body are rotatable relative to each other around a central axis to at least partially overlap the first plurality of openings and the second plurality of openings to change the area of conductance through the openings. Methods of removing gases from a processing chamber are also described.Type: GrantFiled: July 26, 2022Date of Patent: August 8, 2023Assignee: Applied Materials, Inc.Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez
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Patent number: 11708850Abstract: A self-tightening fastening apparatus for vibrating work-parts includes a male fastener, a main female fastener, a locking female fastener, an anti-rotation female fastener, and a first compression body. The main female fastener is threadedly engaged around a first threaded-shaft section of the male fastener, wherein a head of the male fastener and the main female fastener compress the vibrating work-parts together. The locking female fastener is threadedly engaged around a second threaded-shaft section of the male fastener. The first compression body is compressed in between the main female fastener and the locking female fastener. The anti-rotation female fastener is threadedly engaged around a third threaded-shaft section of the male fastener.Type: GrantFiled: March 30, 2021Date of Patent: July 25, 2023Inventors: Muhannad Mustafa, Nusrat Jahan Chhanda
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Publication number: 20230207345Abstract: Embodiments of the disclosure advantageously provide base plates with decreased metal contamination. Some embodiments of the disclosure advantageously provide base plates with increased edge purge channel uniformity. Some embodiments provide methods of forming base plates. Embodiments of the disclose are directed to a heater pedestal configured to support a substrate during processing. In some embodiments, the heater pedestal includes the base plate described herein.Type: ApplicationFiled: December 23, 2021Publication date: June 29, 2023Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Mario D. Silvetti, Michael Jerry Duret, Sanjeev Baluja, Satish Radhakrishnan, Yuan Xiaoxiong
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Publication number: 20230146837Abstract: Pedestal heater radiators, pedestal assemblies including the pedestal heater radiators and methods of decreasing deposition non-uniformity are described. The pedestal heater radiator has a first radiator body and a second radiator body with different emissivities. The first radiator body and second radiator body are sized and positioned to decrease the heat loss differential between sides of the pedestal.Type: ApplicationFiled: November 9, 2021Publication date: May 11, 2023Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Mario D. Silvetti, Mandyam Sriram, Sanjeev Baluja
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Patent number: 11598454Abstract: Connector assemblies for holding two tubes together and methods of use are described. The connector assemblies have an inner bolt, a split outer bolt comprising at least two outer bolt sections and a clamp bolt. The clamp bolt holds the outer bolt sections together to form the split outer bolt and the inner bolt is screwed into the outer bolt to enclose the two tube ends.Type: GrantFiled: January 23, 2020Date of Patent: March 7, 2023Assignee: APPLIED MATERIALS, INC.Inventors: Muhannad Mustafa, Muhammad M. Rasheed
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Publication number: 20230059232Abstract: Pedestal assemblies, purge rings for pedestal assemblies, and processing methods for increasing residence time of an edge purge gas in heated pedestal assemblies are described. Purge rings have an inner diameter face and an outer diameter face defining a thickness of the purge ring, a top surface and a bottom surface defining a height of the purge ring, and a thermal expansion feature. Purge rings comprise a plurality of apertures extending through the thickness and aligned circumferentially with a plurality of circumferentially spaced purge outlets in a substrate support.Type: ApplicationFiled: August 19, 2021Publication date: February 23, 2023Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Mario D. Silvetti, Kevin Griffin
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Publication number: 20230015613Abstract: Gas distribution assemblies and process chambers comprising gas distribution assemblies are described. The gas distribution assembly includes a gas distribution plate, a lid and a primary O-ring. The primary O-ring is positioned between a purge channel of a first contact surface of the gas distribution plate and a second contact surface. Methods of sealing a process chamber using the disclosed gas distribution assemblies are also described.Type: ApplicationFiled: September 20, 2022Publication date: January 19, 2023Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Muhammad M. Rasheed
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Publication number: 20220389585Abstract: Process chamber lids, processing chambers and methods using the lids are described. The lid includes a pumping liner with a showerhead, blocker plate and gas funnel positioned therein. A liner heater is positioned on the pumping liner to control temperature in the pumping liner. Gas is flowed into the gas funnel using a dead-volume free one-way valve with a remote plasma source.Type: ApplicationFiled: August 17, 2022Publication date: December 8, 2022Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Srinivas Gandikota, Wei V. Tang
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Publication number: 20220364575Abstract: Pumping liners for process chambers including a first ring-shaped body and a second ring-shaped body are described. The first ring-shaped body has a first plurality of openings and the second ring-shaped body has a second plurality of openings. The first ring-shaped body and the second ring-shaped body are rotatable relative to each other around a central axis to at least partially overlap the first plurality of openings and the second plurality of openings to change the area of conductance through the openings. Methods of removing gases from a processing chamber are also described.Type: ApplicationFiled: July 26, 2022Publication date: November 17, 2022Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez
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Publication number: 20220367236Abstract: Some embodiments of the disclosure relate to methods of modifying a heater pedestal to improve temperature and thickness uniformity. Some embodiments of the disclosure relate to the modified heater pedestals with improved temperature and thickness uniformity. In some embodiments, the height of support mesas in different regions of the pedestal are modified to increase temperature uniformity. In some embodiments, the heater elements are moved above the vacuum channel and purge channel to increase temperature uniformity. In some embodiments, the edge ring is modified to be coplanar with the top of a supported substrate.Type: ApplicationFiled: October 8, 2021Publication date: November 17, 2022Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Yongjing Lin, Satish Radhakrishnan, Haoyan Sha, Shih Chung Chen, Mario D. Silvetti, Mandyam Sriram, Vijay D. Parkhe
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Publication number: 20220356572Abstract: Pump liners and process chambers with the pump liners are described. The pump liner has a ring-shaped body with an annular wall enclosing a process region. A plurality of circumferentially spaced openings provide fluid communication through the annular wall between the process region and a region outside of the ring-shaped body. Each of the plurality of circumferentially spaced openings has a self-adjusting valve assembly. Self-adjusting valves and processing methods are also described.Type: ApplicationFiled: May 9, 2022Publication date: November 10, 2022Applicant: Applied Materials, Inc.Inventors: Muhannad Mustafa, Muhammad M. Rasheed
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Patent number: 11495932Abstract: Embodiments of a slip ring for use in a rotatable substrate support are provided herein. In some embodiments a slip ring includes a main body having a top wall, a bottom wall, and a sidewall extending between the top and bottom walls, wherein the top wall, bottom wall, and sidewall define an inner volume within the main body, wherein a central opening is formed through the top wall; a plurality of annular containers disposed within the inner volume and coaxially with the main body, wherein the plurality of annular containers are vertically spaced apart from one another, and wherein each of the plurality of annular containers contains a first volume of an electrically conductive liquid; an upper cylindrical body rotatably disposed in the central opening; a lower cylindrical body fixedly coupled to the lower wall of the main body.Type: GrantFiled: June 6, 2018Date of Patent: November 8, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Muhannad Mustafa, Yu Chang, William Kuang, Muhammad M. Rasheed, Xiping Huo
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Publication number: 20220344134Abstract: Methods and apparatus for processing substrates are provided herein. In some embodiments, a process kit for a substrate support includes: an upper edge ring made of quartz and having an upper surface and a lower surface, wherein the upper surface is substantially planar and the lower surface includes a stepped lower surface to define a radially outermost portion and a radially innermost portion of the upper edge ring.Type: ApplicationFiled: July 11, 2022Publication date: October 27, 2022Applicant: Applied Materials, Inc.Inventors: Muhannad MUSTAFA, Muhammad M. RASHEED, Yu LEI, Avgerinos V. GELATOS, Vikash BANTHIA, Victor H. CALDERON, Shi Wei TOH, Yung-Hsin LEE, Anindita SEN
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Patent number: 11479859Abstract: Gas distribution assemblies and process chamber comprising gas distribution assemblies are described. The gas distribution assembly includes a gas distribution plate, a lid and a primary O-ring. The primary O-ring is positioned between a purge channel of a first contact surface of the gas distribution plate and a second contact surface. Methods of sealing a process chamber using the disclosed gas distribution assemblies are described.Type: GrantFiled: April 9, 2020Date of Patent: October 25, 2022Assignee: Applied Materials, Inc.Inventors: Muhannad Mustafa, Muhammad M. Rasheed
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Patent number: 11447866Abstract: Process chamber lids, processing chambers and methods using the lids are described. The lid includes a pumping liner with a showerhead, blocker plate and gas funnel positioned therein. A liner heater is positioned on the pumping liner to control temperature in the pumping liner. Gas is flowed into the gas funnel using a dead-volume free one-way valve with a remote plasma source.Type: GrantFiled: June 17, 2021Date of Patent: September 20, 2022Assignee: Applied Materials, Inc.Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Srinivas Gandikota, Wei V. Tang
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Patent number: 11427912Abstract: Embodiments of substrate processing equipment and rotatable substrate supports incorporating the same are provided herein. In some embodiments, the substrate support may include a pedestal having a substrate receiving surface, a shaft having an upper end, a lower end, and a central opening, where the shaft is coupled to the pedestal at the upper end, a hub circumscribing the shaft, where the shaft is rotatable with respect to the hub, and where the hub includes a first port that extends from an outer surface of the hub to a volume between the hub and the shaft, and a ferrofluid sealing assembly disposed between the hub and the shaft.Type: GrantFiled: June 25, 2018Date of Patent: August 30, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Muhannad Mustafa, Muhammad M. Rasheed
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Patent number: 11420217Abstract: Embodiments of showerheads for use in a process chamber are provided herein. In some embodiments, a showerhead includes a first spiral channel extending from a central region to a peripheral region of the showerhead; a second spiral channel extending from a central region to a peripheral region of the showerhead, wherein the second spiral channel is interleaved with the first spiral channel and fluidly independent from the first spiral channel; a plurality of first channels extending from the first spiral channel to a plurality of first gas distribution holes on a lower surface of the showerhead, wherein each first channel is a singular channel extending at an angle; and a plurality of second channels extending from the second spiral channel to a plurality of second gas distribution holes on the lower surface of the showerhead, wherein each second channel is a singular channel extending at an angle.Type: GrantFiled: December 19, 2019Date of Patent: August 23, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Muhannad Mustafa, Muhammad M. Rasheed
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Patent number: 11415147Abstract: Pumping liners for process chambers including a first ring-shaped body and a second ring-shaped body are described. The first ring-shaped body has a first plurality of openings and the second ring-shaped body has a second plurality of openings. The first ring-shaped body and the second ring-shaped body are rotatable relative to each other around a central axis to at least partially overlap the first plurality of openings and the second plurality of openings to change the area of conductance through the openings. Methods of removing gases from a processing chamber are also described.Type: GrantFiled: May 28, 2020Date of Patent: August 16, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez
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Patent number: 11408530Abstract: Embodiments described herein relate to a valve for semiconductor processing. The valve includes a valve body having an inlet conduit and an outlet conduit separated by a diaphragm body. The diaphragm body includes a motor, a transmission link coupled to the motor, a rotatable ring surrounding a fixed plate and separated by a dynamic seal, the rotatable ring coupled to the transmission link, and one or more shutter plates movably coupled to the rotatable ring by a respective pivotable fastener, wherein the fixed plate includes an opening and the one or more shutter plates are movable relative to the opening.Type: GrantFiled: August 5, 2020Date of Patent: August 9, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Muhannad Mustafa, Muhammad M. Rasheed