Patents by Inventor Anwar Husain
Anwar Husain 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).
-
Publication number: 20230187182Abstract: A method includes depositing a first layer of a first material onto a surface of a chamber component of a processing chamber. The first material comprises a polymer, the polymer having a dielectric strength of at least 40 MV/m. The method further includes depositing a second layer of a second material onto the first layer. The second material comprises a first ceramic material impregnated into the first polymer or a second polymer. The method further includes depositing a third layer. The third layer is of a third material. The third material includes the first ceramic material or a second ceramic material. The third material does not adhere to the first polymer or the second polymer. The third material does adhere to the first ceramic material or the second ceramic material of the second layer.Type: ApplicationFiled: December 10, 2021Publication date: June 15, 2023Inventors: Joseph Frederick Sommers, Joseph Frederick Behnke, Xue Yang Chang, Anwar Husain, Alexander Alhajj Sulyman, Timothy Joseph Franklin, David J. Coumou
-
Publication number: 20230170241Abstract: Porous plugs for gas delivery in substrate supports and substrate supports and substrate processing chambers incorporating same are provided herein. In some embodiments, a porous plug for use in a substrate support includes: a porous central passageway; and a solid outer shell bonded to and surrounding the porous central passageway such that there is no continuous gap between the porous central passageway and the solid outer shell along an entire length of the porous plug, wherein the solid outer shell includes sealing surfaces disposed on ends of the solid outer shell to facilitate forming a seal along the sealing surface and surrounding the porous central passageway. In some embodiments, one or more o-ring retaining grooves can be formed about the outer surface of the solid outer shell.Type: ApplicationFiled: November 29, 2021Publication date: June 1, 2023Inventors: Alexander SULYMAN, Xue Yang CHANG, Anwar HUSAIN, Timothy Joseph FRANKLIN, Joseph F. SOMMERS
-
Publication number: 20230118651Abstract: Embodiments of the present disclosure herein include an apparatus for processing a substrate. More specifically, embodiments of this disclosure provide a substrate support assembly that includes an electrostatic chuck (ESC) assembly. The ESC assembly comprises a cooling base having a top surface and an outer diameter sidewall, an ESC having a substrate support surface, a bottom surface and an outer diameter sidewall, the bottom surface of the ESC coupled to the top surface of the cooling base by an adhesive layer. The substrate support assembly includes a blocking ring disposed around the outer diameter sidewalls of the cooling base and ESC, the blocking ring shielding an interface between the bottom surface of the ESC and the top surface of the cooling base.Type: ApplicationFiled: August 31, 2022Publication date: April 20, 2023Inventors: Timothy Joseph FRANKLIN, Jaeyong CHO, Alexander SULYMAN, Xue CHANG, Kartik RAMASWAMY, Steven E. BABAYAN, Anwar HUSAIN, David COUMOU
-
Patent number: 11551960Abstract: Embodiments of a plug for use in an electrostatic chuck are provided herein. In some embodiments, a plug for use in an electrostatic chuck includes a polymer sleeve having a central opening; and a core disposed in the central opening of the polymer sleeve, the core having a central protrusion and a peripheral ledge, wherein an outer surface of the core includes a helical channel extending from a lower surface of the core towards the peripheral ledge to at least partially define a gas flow path through the plug, and wherein the peripheral ledge is disposed between an upper surface of the polymer sleeve and the lower surface of the core.Type: GrantFiled: January 30, 2020Date of Patent: January 10, 2023Assignee: APPLIED MATERIALS, INC.Inventors: Reyn T. Wakabayashi, Hamid Noorbakhsh, Anwar Husain
-
Patent number: 11551916Abstract: Embodiments of substrate supports are provided herein. In some embodiments, a substrate support for use in a substrate processing chamber includes a ceramic plate having a first side configured to support a substrate and a second side opposite the first side, wherein the ceramic plate includes an electrode embedded in the ceramic plate; a ceramic ring disposed about the ceramic plate and having a first side and a second side opposite the first side, wherein the ceramic ring includes a chucking electrode and a heating element embedded in the ceramic ring; and a cooling plate coupled to the second side of the ceramic plate and the second side of the ceramic ring, wherein the cooling plate includes a radially inner portion, a radially outer portion, and a thermal break disposed therebetween.Type: GrantFiled: April 20, 2020Date of Patent: January 10, 2023Assignee: APPLIED MATERIALS, INC.Inventors: Jaeyong Cho, Rajinder Dhindsa, James Rogers, Anwar Husain
-
Patent number: 11543954Abstract: A method for displaying additional relevant content involves detecting a change to the scrolling pattern of a viewer of content and adapting displayed content as a result of the change. When a pause in scrolling is detected, and the content visible on the display during the pause is determined. A determination is made whether additional content related to the displayed content, such as a promotion, is available. If related content is available, it is displayed when the user resumes scrolling or begins scrolling in another direction. The display of related content may take the form of a promotion on a fixed portion of the display, and may be hidden when the user engages a user interface element for removal of the promotion.Type: GrantFiled: August 19, 2020Date of Patent: January 3, 2023Assignee: SMASHTECH, LLCInventor: Anwar Husain
-
Patent number: 11488852Abstract: Methods and apparatus for preventing or reducing arcing of an electrostatic chuck in a process chamber. In some embodiments, a method of preventing or reducing arcing of an electrostatic chuck includes forming a first recess in at least a portion of a sidewall of the electrostatic chuck and filling the first recess with a conformable dielectric material that remains conformable (elastic) over a temperature range of at least approximately zero degrees Celsius to approximately 80 degrees Celsius. In some embodiments, the first recess is filled with the conformable dielectric material such that the conformable dielectric material does not bond to at least one surface of the first recess. The conformable dielectric material may also be used to fill a second recess in a dielectric sleeve adjacent to the electrostatic chuck.Type: GrantFiled: May 13, 2020Date of Patent: November 1, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Anwar Husain, Hamid Noorbakhsh, Kartik Ramaswamy
-
Publication number: 20220293451Abstract: Methods and apparatus for lift pin assemblies for substrate processing chambers are provided. In some embodiments, a lift pin assembly includes a lift pin comprising a shaft, a head, and a coupling end, the head configured to rest against an electrostatic chuck; an upper guide comprising a top end, a bottom end, and a first opening extending from the top end to the bottom end, wherein the shaft is disposed and axially movable through the first opening; a lower guide comprising a top end, a bottom end, and a second opening and a third opening extending from the top end to the bottom end, wherein the third opening is larger than the second opening, and wherein the shaft is disposed and axially movable through the second opening and the third opening; and a biasing mechanism coupled to the shaft and configured to bias the lift pin against the electrostatic chuck.Type: ApplicationFiled: March 7, 2022Publication date: September 15, 2022Inventors: Alexander SULYMAN, Anwar HUSAIN, Timothy Joseph FRANKLIN, Carlaton WONG, Xue Yang CHANG
-
Publication number: 20220293452Abstract: Methods and apparatus for a lift pin mechanism for substrate processing chambers are provided herein. In some embodiments, the lift pin mechanism includes a lift pin comprising a shaft with a top end, a bottom end, and a coupling end at the bottom end; a bellows assembly disposed about the shaft. The bellows assembly includes an upper bellows flange having an opening for axial movement of the shaft; a bellows having a first end coupled to a lower surface of the upper bellows flange such that the shaft extends into a central volume surrounded by the bellows; and a bellows guide assembly coupled to a second end of the bellows to seal the central volume. The shaft is coupled to the bellows guide assembly at the coupling end. The bellows guide assembly is axially movable to move the lift pin with respect to the upper bellows flange.Type: ApplicationFiled: March 7, 2022Publication date: September 15, 2022Inventors: Alexander SULYMAN, Carlaton WONG, Rajinder DHINDSA, Timothy Joseph FRANKLIN, Steven BABAYAN, Anwar HUSAIN, James Hugh ROGERS, Xue Yang CHANG
-
Patent number: 11424096Abstract: Embodiments of process kits for use in substrate processing chambers are provided herein. In some embodiments, a process kit for use in a substrate processing chamber includes an annular electrode configured to surround an electrostatic chuck, wherein the annular electrode includes an upper portion bonded to a lower portion and an annular channel disposed at an interface between the upper portion and the lower portion; wherein the annular electrode includes a first channel extending from a lower surface of the lower portion to the annular channel and a second channel extending from the lower surface of the lower portion to the annular channel; wherein the annular electrode is configured to flow a coolant from the first channel to the second channel via the annular channel to cool the annular electrode; and wherein the annular electrode includes at least one of a dielectric coating or a ceramic cap to reduce or prevent arcing between the annular electrode and the electrostatic chuck.Type: GrantFiled: November 5, 2019Date of Patent: August 23, 2022Assignee: APPLIED MATERIALS, INC.Inventors: Hamid Noorbakhsh, Kartik Ramaswamy, Anwar Husain
-
Patent number: 11171030Abstract: Methods and apparatus for dechucking a wafer from a surface of an electrostatic chuck (ESC). In some embodiments, a method comprises reducing a pressure of a gas applied to a backside of the wafer to approximately zero psi; reducing a downward pressure in a cylinder bore of a lifting actuator to approximately atmospheric pressure while a processing volume of the processing chamber is in a vacuum state to create a constant upward force on the wafer, the constant upward force less than a breaking force of the wafer; and sweeping a voltage applied to the ESC to dechuck the wafer; and monitoring a sensor on the lifting actuator that is interposed between a chucking position of the lifting actuator and a transfer position of the lifting actuator to detect when the wafer is dechucked.Type: GrantFiled: May 6, 2019Date of Patent: November 9, 2021Assignee: APPLIED MATERIALS, INC.Inventors: Hamid Noorbakhsh, Anwar Husain, Haitao Wang, Sergio F Shoji
-
Publication number: 20210296098Abstract: Embodiments of substrate supports are provided herein. In some embodiments, a substrate support for use in a substrate processing chamber includes a ceramic plate having a first side configured to support a substrate and a second side opposite the first side, wherein the ceramic plate includes an electrode embedded in the ceramic plate; a ceramic ring disposed about the ceramic plate and having a first side and a second side opposite the first side, wherein the ceramic ring includes a chucking electrode and a heating element embedded in the ceramic ring; and a cooling plate coupled to the second side of the ceramic plate and the second side of the ceramic ring, wherein the cooling plate includes a radially inner portion, a radially outer portion, and a thermal break disposed therebetween.Type: ApplicationFiled: April 20, 2020Publication date: September 23, 2021Inventors: Jaeyong CHO, Rajinder DHINDSA, James ROGERS, Anwar HUSAIN
-
Publication number: 20210242063Abstract: Embodiments of a plug for use in an electrostatic chuck are provided herein. In some embodiments, a plug for use in an electrostatic chuck includes a polymer sleeve having a central opening; and a core disposed in the central opening of the polymer sleeve, the core having a central protrusion and a peripheral ledge, wherein an outer surface of the core includes a helical channel extending from a lower surface of the core towards the peripheral ledge to at least partially define a gas flow path through the plug, and wherein the peripheral ledge is disposed between an upper surface of the polymer sleeve and the lower surface of the core.Type: ApplicationFiled: January 30, 2020Publication date: August 5, 2021Inventors: REYN T. WAKABAYASHI, HAMID NOORBAKHSH, ANWAR HUSAIN
-
Publication number: 20210134554Abstract: Embodiments of process kits for use in substrate processing chambers are provided herein. In some embodiments, a process kit for use in a substrate processing chamber includes an annular electrode configured to surround an electrostatic chuck, wherein the annular electrode includes an upper portion bonded to a lower portion and an annular channel disposed at an interface between the upper portion and the lower portion; wherein the annular electrode includes a first channel extending from a lower surface of the lower portion to the annular channel and a second channel extending from the lower surface of the lower portion to the annular channel; wherein the annular electrode is configured to flow a coolant from the first channel to the second channel via the annular channel to cool the annular electrode; and wherein the annular electrode includes at least one of a dielectric coating or a ceramic cap to reduce or prevent arcing between the annular electrode and the electrostatic chuck.Type: ApplicationFiled: November 5, 2019Publication date: May 6, 2021Inventors: HAMID NOORBAKHSH, KARTIK RAMASWAMY, ANWAR HUSAIN
-
Publication number: 20210055842Abstract: A method for displaying additional relevant content involves detecting a change to the scrolling pattern of a viewer of content and adapting displayed content as a result of the change. When a pause in scrolling is detected, and the content visible on the display during the pause is determined. A determination is made whether additional content related to the displayed content, such as a promotion, is available. If related content is available, it is displayed when the user resumes scrolling or begins scrolling in another direction. The display of related content may take the form of a promotion on a fixed portion of the display, and may be hidden when the user engages a user interface element for removal of the promotion.Type: ApplicationFiled: August 19, 2020Publication date: February 25, 2021Inventor: Anwar Husain
-
Patent number: 10930540Abstract: Embodiments include an electrostatic chuck assembly having an electrostatic chuck mounted on an insulator. The electrostatic chuck and insulator may be within a chamber volume of a process chamber. In an embodiment, a ground shield surrounds the electrostatic chuck and the insulator, and a gap between the ground shield and the electrostatic chuck provides an environment at risk for electric field emission. A dielectric filler can be placed within the gap to reduce a likelihood of electric field emission. The dielectric filler can have a flexible outer surface that covers or attaches to the electrostatic chuck, or an interface between the electrostatic chuck and the insulator Other embodiments are also described and claimed.Type: GrantFiled: November 5, 2019Date of Patent: February 23, 2021Assignee: Applied Materials, Inc.Inventors: Kartik Ramaswamy, Anwar Husain, Haitao Wang, Evans Yip Lee, Jaeyong Cho, Hamid Noorbakhsh, Kenny L. Doan, Sergio Fukuda Shoji, Chunlei Zhang
-
Publication number: 20210043428Abstract: The present disclosure generally relates to apparatuses and methods for controlling a plasma sheath near a substrate edge. The apparatus relates to a processing chamber and/or a substrate support that includes an edge ring assembly with an edge ring electrode and an electrostatic chuck with a chucking electrode. The edge ring assembly is positioned adjacent the electrostatic chuck, such as with the edge ring assembly positioned exterior to or about the electrostatic chuck. The edge ring assembly includes a base and a cap positioned above the base with the edge ring electrode positioned between the cap and the base. The base of the edge ring electrode may include an inner recess and/or an outer recess with the cap including one or more lips that extend into the inner recess and/or the outer recess. One or more silicon rings and/or insulating rings are positioned adjacent the edge ring assembly.Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Inventors: Hamid NOORBAKHSH, Anwar HUSAIN, Reyn WAKABAYASHI
-
Publication number: 20200411355Abstract: Embodiments of a plug for use in an electrostatic chuck are provided herein. In some embodiments, a plug for use in an electrostatic chuck includes a polymer sleeve having a central opening; a core press-fit in the central opening of the polymer sleeve and having a gas flow channel disposed therethrough; a cap disposed on the polymer sleeve and covering the core, the cap having a through hole through the cap; and an annular channel disposed between the core and the cap, wherein the core, the cap, and the annular channel define a gas flow path through the plug.Type: ApplicationFiled: June 12, 2020Publication date: December 31, 2020Inventors: Hamid NOORBAKHSH, Anwar HUSAIN, Kartik RAMASWAMY, Sergio Fukuda SHOJI, Reyn Tetsuro WAKABAYASHI
-
Publication number: 20200381282Abstract: Methods and apparatus for preventing or reducing arcing of an electrostatic chuck in a process chamber. In some embodiments, a method of preventing or reducing arcing of an electrostatic chuck includes forming a first recess in at least a portion of a sidewall of the electrostatic chuck and filling the first recess with a conformable dielectric material that remains conformable (elastic) over a temperature range of at least approximately zero degrees Celsius to approximately 80 degrees Celsius. In some embodiments, the first recess is filled with the conformable dielectric material such that the conformable dielectric material does not bond to at least one surface of the first recess. The conformable dielectric material may also be used to fill a second recess in a dielectric sleeve adjacent to the electrostatic chuck.Type: ApplicationFiled: May 13, 2020Publication date: December 3, 2020Inventors: Anwar HUSAIN, Hamid NOORBAKHSH, Kartik RAMASWAMY
-
Patent number: 10847347Abstract: The present disclosure generally relates to apparatuses and methods for controlling a plasma sheath near a substrate edge. The apparatus relates to a processing chamber and/or a substrate support that includes an edge ring assembly with an edge ring electrode and an electrostatic chuck with a chucking electrode. The edge ring assembly is positioned adjacent the electrostatic chuck, such as with the edge ring assembly positioned exterior to or about the electrostatic chuck. The edge ring assembly includes a base and a cap positioned above the base with the edge ring electrode positioned between the cap and the base. The base of the edge ring electrode may include an inner recess and/or an outer recess with the cap including one or more lips that extend into the inner recess and/or the outer recess. One or more silicon rings and/or insulating rings are positioned adjacent the edge ring assembly.Type: GrantFiled: May 17, 2019Date of Patent: November 24, 2020Assignee: APPLIED MATERIALS, INC.Inventors: Hamid Noorbakhsh, Anwar Husain, Reyn Wakabayashi