Patents by Inventor Steven M. Zuniga

Steven M. Zuniga 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: 20220143780
    Abstract: Embodiments of the present disclosure generally relate to chemical mechanical polishing (CMP) systems, and more particular, to modular polishing systems used in the manufacturing of semiconductor devices. In one embodiment, a polishing system includes a first portion having a plurality of polishing stations disposed therein, and a second portion coupled to the first portion, the second portion comprising a substrate cleaning system. The substrate cleaning system comprises a wet-in/dry-out substrate cleaning module comprising a chamber housing which defines a chamber volume. The polishing system further includes a substrate handler located in the second portion, where the substrate handler is positioned to transfer substrates to or from the wet-in/dry-out substrate cleaning module through one or more openings formed in one or more sidewalls of the chamber housing.
    Type: Application
    Filed: March 15, 2021
    Publication date: May 12, 2022
    Inventors: Brian J. BROWN, Ekaterina MIKHAYLICHENKO, Jin JI, Jagan RANGARAJAN, Steven M. ZUNIGA
  • Publication number: 20220143779
    Abstract: A polishing system includes a carriage arm having an actuator disposed on a lower surface thereof. The actuator includes a piston and a roller coupled to a distal end of the piston. The polishing system includes a polishing pad and a substrate carrier suspended from the carriage arm and configured to apply a pressure between a substrate and the polishing pad. The substrate carrier includes a housing, a retaining ring, and a membrane. The substrate carrier includes an upper load ring disposed in the housing. The roller of the actuator is configured to contact the upper load ring during relative rotation between the substrate carrier and the carriage arm. The actuator is configured to apply a load to a portion of the upper load ring thereby altering the pressure applied between the substrate and the polishing pad.
    Type: Application
    Filed: October 27, 2021
    Publication date: May 12, 2022
    Inventors: Andrew NAGENGAST, Steven M. ZUNIGA, Jay GURUSAMY, Charles C. GARRETSON, Vladmir GALBURT
  • Patent number: 11325223
    Abstract: A carrier head for a chemical mechanical polishing apparatus includes a carrier body, an outer membrane assembly, an annular segmented chuck, and an inner membrane assembly. The outer membrane assembly is supported from the carrier body and defines a first plurality of independently pressurizable outer chambers. The annular segmented chuck supported below the outer membrane assembly, and includes a plurality of concentric rings that are independently vertically movable by respective pressurizable chambers of the outer membrane assembly. At least two of the rings having passages therethrough to suction-chuck a substrate to the chuck. The inner membrane assembly is supported from the carrier body and is surrounded by an innermost ring of the plurality of concentric rings of the chuck. The inner membrane assembly defines a second plurality of independently pressurizable inner chambers and has a lower surface to contact the substrate.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: May 10, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Steven M. Zuniga, Jay Gurusamy
  • Publication number: 20220134505
    Abstract: A horizontal pre-clean (HPC) module for a chemical mechanical polishing (CMP) processing system is disclosed. The HPC module includes a chamber having a basin and a lid which collectively define a processing area. The module includes a rotatable vacuum table disposed in the processing area, the rotatable vacuum table including an array of channels defined in a supporting surface thereof. The module includes a pad conditioning station disposed proximate to the rotatable vacuum table. The module includes a pad carrier positioning arm coupled to a pad carrier assembly. The module includes an actuator coupled to the pad carrier positioning arm and configured to position the pad carrier assembly between a first position over the rotatable vacuum table and a second position over the pad conditioning station.
    Type: Application
    Filed: October 25, 2021
    Publication date: May 5, 2022
    Inventors: Edward GOLUBOVSKY, Clinton SAKATA, Jagan RANGARAJAN, Ekaterina A. MIKHAYLICHENKO, Steven M. ZUNIGA
  • Publication number: 20220111484
    Abstract: Embodiments herein generally relate to chemical mechanical polishing (CMP) systems used in the manufacturing of electronic devices. In one embodiment, a substrate carrier for polishing a surface of a substrate includes a retaining ring configured to surround a substrate during a polishing process. The retaining ring includes a first surface that is configured to contact a surface of a polishing pad during the polishing process, a second surface that is on a side of the retaining ring that is opposite to the first surface, and an array of recesses formed in the second surface.
    Type: Application
    Filed: October 14, 2021
    Publication date: April 14, 2022
    Inventors: Andrew NAGENGAST, Steven M. ZUNIGA, Jay GURUSAMY
  • Publication number: 20220111483
    Abstract: Embodiments of the present disclosure generally relate to chemical mechanical polishing (CMP) systems used in the manufacturing of semiconductor devices. In one embodiment, the apparatus includes a polishing module, a retaining ring, wherein the retaining ring includes a protrusion on a radially outward edge, and a plurality of load pins disposed through the retaining ring.
    Type: Application
    Filed: November 3, 2020
    Publication date: April 14, 2022
    Inventors: Andrew NAGENGAST, Steven M. ZUNIGA, Jay GURUSAMY
  • Publication number: 20220111482
    Abstract: An apparatus for chemical mechanical polishing (CMP) of a substrate is described herein. The apparatus includes an extension disposed between a retaining ring and a chucking membrane. The extension is disposed radially outward from the edge of the substrate and is configured to contact the retaining ring during substrate processing. The extension provides a repeatable and controlled point of contact between the retaining ring and the chucking membrane. The extension may have multiple configurations, such that the contact point between the retaining ring and the chucking membrane is set at a pre-determined location or such that the contact point is moveable by an adjustable stop.
    Type: Application
    Filed: October 6, 2021
    Publication date: April 14, 2022
    Inventors: Steven M. ZUNIGA, Andrew NAGENGAST, Jay GURUSAMY
  • Patent number: 11289347
    Abstract: A cleaning module for cleaning a wafer comprises a wafer gripping device configured to support a wafer in a vertical orientation and comprises a catch cup and a gripper assembly. The catch cup comprises a wall that has an annular inner surface that defines a processing region and has an angled portion that is symmetric about a central axis of the wafer gripping device. The gripper assembly comprises a first plate assembly, a second plate assembly, a plurality of gripping pin, and a plurality of loading pin. The gripping pins are configured to grip a wafer during a cleaning process and the loading pins are configured to grip the wafer during a loading and unloading process. The cleaning module further comprises a sweep arm coupled to a nozzle mechanism configured to deliver liquids to the front and back side of the wafer.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: March 29, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Jagan Rangarajan, Adrian Blank, Edward Golubovsky, Balasubramaniam Coimbatore Jaganathan, Steven M. Zuniga, Ekaterina Mikhaylichenko, Michael A. Anderson, Jonathan P. Domin
  • Patent number: 11260500
    Abstract: A retaining ring can be shaped by machining or lapping the bottom surface of the ring to form a shaped profile in the bottom surface. The bottom surface of the retaining ring can include flat, sloped and curved portions. The lapping can be performed using a machine that dedicated for use in lapping the bottom surface of retaining rings. During the lapping the ring can be permitted to rotate freely about an axis of the ring. The bottom surface of the retaining ring can have curved or flat portions.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: March 1, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Jian Lin, Stacy Meyer, Sidney P. Huey, Jeonghoon Oh, Trung T. Doan, Jeffrey P. Schmidt, Martin S. Wohlert, Kerry F. Hughes, James C. Wang, Danny Cam Toan Lu, Romain Beau De Lamenie, Venkata R. Balagani, Aden Martin Allen, Michael Jon Fong
  • Publication number: 20220044946
    Abstract: A cleaning module for cleaning a wafer comprises a wafer gripping device configured to support a wafer in a vertical orientation and comprises a catch cup and a gripper assembly. The catch cup comprises a wall that has an annular inner surface that defines a processing region and has an angled portion that is symmetric about a central axis of the wafer gripping device. The gripper assembly comprises a first plate assembly, a second plate assembly, a plurality of gripping pin, and a plurality of loading pin. The gripping pins are configured to grip a wafer during a cleaning process and the loading pins are configured to grip the wafer during a loading and unloading process. The cleaning module further comprises a sweep arm coupled to a nozzle mechanism configured to deliver liquids to the front and back side of the wafer.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Inventors: Jagan RANGARAJAN, Adrian BLANK, Edward GOLUBOVSKY, Balasubramaniam Coimbatore JAGANATHAN, Steven M. ZUNIGA, Ekaterina MIKHAYLICHENKO, Michael A. ANDERSON, Jonathan P. DOMIN
  • Publication number: 20210402549
    Abstract: A carrier head for a polishing system includes a housing, a flexible membrane, a first plurality of pressure supply lines, a second plurality of pressure supply lines, and a valve assembly. The flexible membrane defines a multiplicity of independently pressurizable chambers. The valve assembly has a multiplicity of valves with each respective valve of the multiplicity of valves coupled to a respective pressure chamber from the multiplicity of independently pressurizable chambers. Each respective valve is configured to selectively couple the respective pressure chamber to one pressure supply line from a pair of pressure supply lines that include a pressure supply line from the first plurality of pressure supply lines and a pressure supply line from the second plurality of pressure supply lines.
    Type: Application
    Filed: June 25, 2021
    Publication date: December 30, 2021
    Inventors: Steven M. Zuniga, Jay Gurusamy, Andrew J. Nagengast, Vladimir Galburt
  • Publication number: 20210402558
    Abstract: A carrier head for a polishing system includes a housing, a flexible membrane, a first plurality of pressure supply lines, a second plurality of pressure supply lines, and a valve assembly. The flexible membrane defines a multiplicity of independently pressurizable chambers. The valve assembly has a multiplicity of valves with each respective valve of the multiplicity of valves coupled to a respective pressure chamber from the multiplicity of independently pressurizable chambers. Each respective valve is configured to selectively couple the respective pressure chamber to one pressure supply line from a pair of pressure supply lines that include a pressure supply line from the first plurality of pressure supply lines and a pressure supply line from the second plurality of pressure supply lines.
    Type: Application
    Filed: June 25, 2021
    Publication date: December 30, 2021
    Inventors: Steven M. Zuniga, Jay Gurusamy, Andrew J. Nagengast, Vladimir Galburt
  • Publication number: 20210402557
    Abstract: A carrier head includes a housing, a support assembly having a support plate flexibly connected to the housing so as to be vertically movable, a plurality of fluid-impermeable barriers projecting from a bottom of the support plate to define a plurality of recesses that are open at bottom sides thereof, and pneumatic control lines. A volume between the support plate and the housing includes one or more independently pressurizable first chambers to apply pressure on a top surface of the support plate in one or more first zones. The barriers are positioned and configured such that when a planar substrate is loaded into the carrier head the barriers contact the substrate and divide a volume between the support plate and the substrate into a plurality of second chambers. The pneumatic control lines are coupled to the plurality of recesses to provide a plurality of independently pressurizable second zones.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 30, 2021
    Inventors: Steven M. Zuniga, Jay Gurusamy, Andrew J. Nagengast
  • Patent number: 11158524
    Abstract: A cleaning module for cleaning a wafer comprises a wafer gripping device configured to support a wafer in a vertical orientation and comprises a catch cup and a gripper assembly. The catch cup comprises a wall that has an annular inner surface that defines a processing region and has an angled portion that is symmetric about a central axis of the wafer gripping device. The gripper assembly comprises a first plate assembly, a second plate assembly, a plurality of gripping pin, and a plurality of loading pin. The gripping pins are configured to grip a wafer during a cleaning process and the loading pins are configured to grip the wafer during a loading and unloading process. The cleaning module further comprises a sweep arm coupled to a nozzle mechanism configured to deliver liquids to the front and back side of the wafer.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: October 26, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Jagan Rangarajan, Adrian Blank, Edward Golubovsky, Balasubramaniam Coimbatore Jaganathan, Steven M. Zuniga, Ekaterina Mikhaylichenko, Michael A. Anderson, Jonathan P. Domin
  • Publication number: 20210323118
    Abstract: Embodiments herein include high throughput density chemical mechanical polishing (CMP) modules and customizable modular CMP systems formed thereof. In one embodiment, a polishing module features a carrier support module, a carrier loading station, and a polishing station. The carrier support module features a carrier platform and one or more carrier assemblies. The one or more carrier assemblies each comprise a corresponding carrier head suspended from the carrier platform. The carrier loading station is used to transfer substrates to and from the carrier heads. The polishing station comprises a polishing platen. The carrier support module, the substrate loading station, and the polishing station comprise a one-to-one-to-one relationship within each of the polishing modules. The carrier support module is positioned to move the one or more carrier assemblies between a substrate polishing position disposed above the polishing platen and a substrate transfer position disposed above the substrate loading station.
    Type: Application
    Filed: May 11, 2020
    Publication date: October 21, 2021
    Inventors: Jagan RANGARAJAN, Edward GOLUBOVSKY, Jay GURUSAMY, Steven M. ZUNIGA
  • Publication number: 20210323119
    Abstract: Embodiments herein include high throughput density chemical mechanical polishing (CMP) modules and customizable modular CMP systems formed thereof. In one embodiment, a polishing module features a carrier support module, a carrier loading station, and a polishing station. The carrier support module features a carrier platform and one or more carrier assemblies. The one or more carrier assemblies each comprise a corresponding carrier head suspended from the carrier platform. The carrier loading station is used to transfer substrates to and from the carrier heads. The polishing station comprises a polishing platen. The carrier support module, the substrate loading station, and the polishing station comprise a one-to-one-to-one relationship within each of the polishing modules. The carrier support module is positioned to move the one or more carrier assemblies between a substrate polishing position disposed above the polishing platen and a substrate transfer position disposed above the substrate loading station.
    Type: Application
    Filed: October 21, 2020
    Publication date: October 21, 2021
    Inventors: Jagan RANGARAJAN, Edward GOLUBOVSKY, Jay GURUSAMY, Steven M. ZUNIGA
  • Publication number: 20210323117
    Abstract: Embodiments herein include high throughput density chemical mechanical polishing (CMP) modules and customizable modular CMP systems formed thereof. In one embodiment, a polishing module features a carrier support module, a carrier loading station, and a polishing station. The carrier support module features a carrier platform and one or more carrier assemblies. The one or more carrier assemblies each comprise a corresponding carrier head suspended from the carrier platform. The carrier loading station is used to transfer substrates to and from the carrier heads. The polishing station comprises a polishing platen. The carrier support module, the substrate loading station, and the polishing station comprise a one-to-one-to-one relationship within each of the polishing modules. The carrier support module is positioned to move the one or more carrier assemblies between a substrate polishing position disposed above the polishing platen and a substrate transfer position disposed above the substrate loading station.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 21, 2021
    Inventors: Jagan RANGARAJAN, Edward GOLUBOVSKY, Jay GURUSAMY, Steven M. ZUNIGA
  • Publication number: 20210249276
    Abstract: A retaining ring comprises a generally annular body. The body comprises a top surface, a bottom surface, an outer surface connected to the top surface at an outer top perimeter and the bottom surface at an outer bottom perimeter, and an inner surface connected to the top surface at an inner top perimeter and the bottom surface at an inner bottom perimeter. The inner surface comprises seven or more planar facets. Adjacent planar facets are connected at corners. The inner bottom perimeter comprises straight edges of the planar facets connected at the corners.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    Inventors: Jeonghoon Oh, Steven M. Zuniga, Andrew J. Nagengast, Samuel Chu-Chiang Hsu, Gautam Shashank Dandavate
  • Patent number: 11056350
    Abstract: A retaining ring comprises a generally annular body. The body comprises a top surface, a bottom surface, an outer surface connected to the top surface at an outer top perimeter and the bottom surface at an outer bottom perimeter, and an inner surface connected to the top surface at an inner top perimeter and the bottom surface at an inner bottom perimeter. The inner surface comprises seven or more planar facets. Adjacent planar facets are connected at corners. The inner bottom perimeter comprises straight edges of the planar facets connected at the corners.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: July 6, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Jeonghoon Oh, Steven M. Zuniga, Andrew J. Nagengast, Samuel Chu-Chiang Hsu, Gautam Shashank Dandavate
  • Publication number: 20210060726
    Abstract: A carrier head includes a base assembly, a substrate mounting surface connected to the base assembly, and a plurality of segments disposed circumferentially around the substrate mounting surface to provide a retaining ring to surround a substrate mounted on the substrate mounting surface. An inner surface of each of the plurality of segments is configured to engage the substrate, and each segment of the plurality of segments of the retaining ring is pivotally connected to the base assembly such that a lower portion of each segment of the retaining ring is swingable toward and away from the substrate.
    Type: Application
    Filed: November 20, 2019
    Publication date: March 4, 2021
    Inventors: Steven M. Zuniga, Jay Gurusamy, Andrew J. Nagengast