Patents by Inventor David Masayuki ISHIKAWA

David Masayuki ISHIKAWA 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: 20240141478
    Abstract: The present disclosure relates to vapor deposition systems and methods. In one embodiment, a drum for vapor deposition is provided. The drum includes a shell having gas slits and a cooling drum. The cooling drum includes an exterior region, an interior region, a first fluid channel partially defined by the exterior region and the interior region, and a first inlet. The first fluid channel forms a helical channel around a central axis of the cooling drum. The first inlet is in fluid communication with a first outlet by the first fluid channel.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 2, 2024
    Inventors: Timothy KLEINER, David Masayuki Ishikawa, Kenneth Moyers, Sumedh Dattatraya Acharya, Visweswaren Sivaramakrishnan
  • Patent number: 11953390
    Abstract: Exemplary backpressure monitoring apparatuses may include a fluid supply source having a fluid port. The backpressure monitoring apparatuses may include a flow control mechanism fluidly coupled with the fluid port. The backpressure monitoring apparatuses may include a delivery tube fluidly coupled with the flow control mechanism and the fluid port. The backpressure monitoring apparatuses may include a pressure differential gauge fluidly coupled with the delivery tube. The pressure differential gauge may include an interface mechanism that is engageable with an outlet of a fluid flow device.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 9, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Sukti Chatterjee, David Masayuki Ishikawa, Yuriy V. Melnik, David A. Britz, Lance A. Scudder
  • Patent number: 11901484
    Abstract: Exemplary processing methods of forming an LED structure may include depositing an aluminum nitride layer on a substrate via a physical vapor deposition process. The methods may include heating the aluminum nitride layer to a temperature greater than or about 1500° C. The methods may include forming an ultraviolet light emitting diode structure overlying the aluminum nitride layer utilizing a metal-organic chemical vapor deposition or molecular beam epitaxy.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: February 13, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Zihao Yang, Mengnan Zou, Mingwei Zhu, David Masayuki Ishikawa, Nag Patibandla
  • Publication number: 20230390886
    Abstract: A chemical mechanical polishing apparatus, including a platen supporting a polishing pad; a carrier head to hold a surface of a substrate against the polishing pad; a motor to generate relative motion between the platen and the carrier head so as to polish an overlying layer on the substrate; an array of acoustic sensors arranged within the carrier head to receive acoustic signals from the surface of the substrate; and a controller configured to detect a position of an acoustic event on the surface of the substrate based on received acoustic signals from the array of acoustic sensors.
    Type: Application
    Filed: June 2, 2023
    Publication date: December 7, 2023
    Inventors: Upendra Ummethala, Nicholas A. Wiswell, David Masayuki Ishikawa, Sohrab Pourmand, Benjamin Cherian, Thomas H. Osterheld, Jeonghoon Oh, Jianshe Tang
  • Publication number: 20230360890
    Abstract: A method of processing an optical device is provided, including: positioning an optical device on a substrate support in an interior volume of a process chamber, the optical device including an optical device substrate and a plurality of optical device structures formed over the optical device substrate, each optical device structure including a bulk region formed of silicon carbide and one or more surface regions formed of silicon oxycarbide. The method further includes providing one or more process gases to the interior volume of the process chamber, and generating a plasma of the one or more process gases in the interior volume for a first time period when the optical device is on the substrate support, and stopping the plasma after the first time period. A carbon content of the one or more surface regions of each optical device structure is reduced by at least 50% by the plasma.
    Type: Application
    Filed: April 7, 2023
    Publication date: November 9, 2023
    Inventors: Yue CHEN, Jinyu LU, Yongmei CHEN, Jinxin FU, Zihao YANG, Mingwei ZHU, Takashi KURATOMI, Rami HOURANI, Ludovic GODET, Qun JING, Jingyi YANG, David Masayuki ISHIKAWA
  • Publication number: 20230197922
    Abstract: Embodiments of the present disclosure generally relate to electrode coatings and methods of coating electrodes. In an embodiment, a method of depositing a structure on a lithium ion battery (LIB) anode is provided. The method includes accelerating particles in a working gas through a convergent-divergent nozzle to a process velocity that is from a critical velocity of the particles to an erosion velocity of the LIB anode, the particles comprising a metal and/or a Group III-VI element; heating or cooling the particles in the working gas at a softening temperature; ejecting the particles in the working gas from a nozzle outlet of the convergent-divergent nozzle, the particles ejected at the process velocity, wherein at least a portion of the particles are in solid phase when ejected from the convergent-divergent nozzle; and depositing a first structure on the LIB anode, the first structure comprising the metal and/or the Group III-VI element.
    Type: Application
    Filed: November 15, 2022
    Publication date: June 22, 2023
    Inventors: Sonal, David Masayuki ISHIKAWA, Sumedh Dattatraya ACHARYA, Ezhiylmurugan RANGASAMY, Subramanya P. HERLE
  • Publication number: 20230168139
    Abstract: Exemplary backpressure monitoring apparatuses may include a fluid supply source having a fluid port. The backpressure monitoring apparatuses may include a flow control mechanism fluidly coupled with the fluid port. The backpressure monitoring apparatuses may include a delivery tube fluidly coupled with the flow control mechanism and the fluid port. The backpressure monitoring apparatuses may include a pressure differential gauge fluidly coupled with the delivery tube. The pressure differential gauge may include an interface mechanism that is engageable with an outlet of a fluid flow device.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 1, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Sukti Chatterjee, David Masayuki Ishikawa, Yuriy V. Melnik, David A. Britz, Lance A. Scudder
  • Publication number: 20230127489
    Abstract: A reactor for coating particles includes a rotatable reactor assembly including a drum configured to hold a plurality of particles to be coated, an inlet tube, and an outlet tube, a stationary gas inlet line coupled to the inlet tube by a rotary inlet seal, a stationary gas outlet line coupled to the outlet tube by a rotary outlet seal, and a motor to rotate the rotatable reactor assembly.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 27, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Brian Hayes Burrows, Sekar Krishnasamy, Ayyanagouda Raravi, Monika Mudalkar, Govindraj Desai, Hemantha Kumar Raju, Basavaraj Pattanshetty, David Masayuki Ishikawa, Visweswaren Sivaramakrishnan, Shrikant Swaminathan, Mario Cambron, Robert Navasca, Miaojun Wang, Jonathan Frankel
  • Publication number: 20230128094
    Abstract: A reactor for coating particles includes a rotatable reactor assembly includes a reactor drum configured to hold a plurality of particles to be coated, an inlet tube, and an outlet tube. The drum includes a cylindrical tube, and an inlet-side endplate secured to cover an inlet-side opening of the cylindrical tube and/or an outlet-side endplate secured to cover an outlet-side opening of the cylindrical tube. A stationary gas inlet line is coupled to the inlet tube by a rotary inlet seal, a stationary gas outlet line is coupled to the outlet tube by a rotary outlet seal, and a motor rotates the rotatable reactor assembly. The inlet tube is releasably mechanically secured to the inlet-side endplate and the outlet tube is releasably mechanically secured to the outlet-side endplate.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 27, 2023
    Inventors: Brian Hayes Burrows, Sekar Krishnasamy, Ayyanagouda Raravi, Monika Mudalkar, Govindraj Desai, Hemantha Kumar Raju, Basavaraj Pattanshetty, David Masayuki Ishikawa, Visweswaren Sivaramakrishnan, Shrikant Swaminathan, Mario Cambron, Robert Navasca, Miaojun Wang, Jonathan Frankel
  • Publication number: 20230132290
    Abstract: A deposition system includes an isolator or fume hood and a reactor for coating particles, the reactor including a rotatable reactor assembly positioned within the isolator or fume hood and including a reactor drum configured to hold a plurality of particles to be coated, an inlet tube, and an outlet tube. The reactor drum is configured to be detached from the inlet tube and the outlet tube by an operator while the reactor drum remains within the isolator or fume hood.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 27, 2023
    Inventors: Brian Hayes Burrows, Sekar Krishnasamy, Ayyanagouda Raravi, Monika Mudalkar, Govindraj Desai, Hemantha Kumar Raju, Basavaraj Pattanshetty, David Masayuki Ishikawa, Visweswaren Sivaramakrishnan, Shrikant Swaminathan, Mario Cambron, Robert Navasca, Miaojun Wang, Jonathan Frankel
  • Publication number: 20230056566
    Abstract: Methods for forming anode structures are provided and include transferring a flexible substrate a first deposition chamber arranged downstream from a first spool chamber, the first deposition chamber containing a first coating drum capable of guiding the flexible substrate past a first plurality of deposition units, and guiding the flexible substrate past the first plurality of deposition units while depositing a lithium metal film on the flexible substrate via the first plurality of deposition units. The method also includes transferring the flexible substrate from the first deposition chamber to a second deposition chamber, the second deposition chamber containing a second coating drum capable of guiding the flexible substrate past a second deposition unit containing a crucible capable of depositing ceramic on the lithium metal film, and guiding the flexible substrate past the crucible while depositing a ceramic protective film on the lithium metal film via the evaporation crucible.
    Type: Application
    Filed: October 28, 2022
    Publication date: February 23, 2023
    Inventors: Subramanya P. HERLE, David Masayuki ISHIKAWA
  • Patent number: 11578004
    Abstract: Methods and apparatus for depositing material on a continuous substrate are provided herein. In some embodiments, an apparatus for processing a continuous substrate includes: a first chamber having a first volume; a second chamber having a second volume fluidly coupled to the first volume; and a plurality of process chambers, each having a process volume defining a processing path between the first chamber and the second chamber, wherein the process volume of each process chamber is fluidly coupled to each other, to the first volume, and to the second volume, and wherein the first chamber, the second chamber, and the plurality of process chambers are configured to process a continuous substrate that extends from the first chamber, through the plurality of process chambers, and to the second chamber.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: February 14, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: David Masayuki Ishikawa, Brian H. Burrows
  • Publication number: 20230011303
    Abstract: An evaporation system for providing a gas for a reactive deposition process, reactive deposition apparatuses, and methods of reactive deposition are provided. The evaporation system in includes a multi-zone diffuser assembly for single or double-sided continuous roll-to-roll or batch coating of web substrates. The diffuser assembly is sized to accommodate at least a portion of a coating drum. The diffuser assembly includes a plurality of interchangeable solid plates and diffuser plates for delivering an evaporated material toward a web substrate. The diffuser plates are fluidly coupled with an evaporation source.
    Type: Application
    Filed: May 26, 2022
    Publication date: January 12, 2023
    Inventors: David Masayuki ISHIKAWA, Sumedh Dattatraya ACHARYA, Visweswaren SIVARAMAKRISHNAN
  • Publication number: 20220399474
    Abstract: Exemplary processing methods of forming an LED structure may include depositing an aluminum nitride layer on a substrate via a physical vapor deposition process. The methods may include heating the aluminum nitride layer to a temperature greater than or about 1500° C. The methods may include forming an ultraviolet light emitting diode structure overlying the aluminum nitride layer utilizing a metal-organic chemical vapor deposition or molecular beam epitaxy.
    Type: Application
    Filed: June 11, 2021
    Publication date: December 15, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Zihao Yang, Mengnan Zou, Mingwei Zhu, David Masayuki Ishikawa, Nag Patibandla
  • Publication number: 20220372620
    Abstract: Exemplary methods of forming a coating of material on a substrate may include forming a plasma of a first precursor and an oxygen-containing precursor. The first precursor and the oxygen-containing precursor may be provided in a first flow rate ratio. The methods may include depositing a first layer of material on the substrate. While maintaining the plasma, the methods may include adjusting the first flow rate ratio to a second flow rate ratio. The methods may include depositing a second layer of material on the substrate.
    Type: Application
    Filed: May 10, 2022
    Publication date: November 24, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Lance A. Scudder, Sukti Chatterjee, David Masayuki Ishikawa, Yuriy V. Melnik, Vibhas Singh
  • Publication number: 20220375723
    Abstract: Exemplary methods of forming a coating of material on a substrate may include forming a plasma of a first precursor and an oxygen-containing precursor. The first precursor and the oxygen-containing precursor may be provided in a first flow rate ratio. The methods may include depositing a first layer of material on the substrate. While maintaining the plasma, the methods may include adjusting the first flow rate ratio to a second flow rate ratio. The methods may include depositing a second layer of material on the substrate.
    Type: Application
    Filed: May 10, 2022
    Publication date: November 24, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Lance A. Scudder, Sukti Chatterjee, David Masayuki Ishikawa, Yuriy V. Melnik, Vibhas Singh
  • Publication number: 20220285140
    Abstract: Apparatus and systems for temperature probe integration on pedestal heaters of a processing chamber including a cooling assembly for cooling temperature probes disposed within. Cooling assemblies can be actively water-cooled, passively cooled by fin stacks. Further cooling assemblies include a mechanical arm assembly for lowering or raising the temperature probes.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 8, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Marcus Blake Freitas, David Masayuki Ishikawa, Vijay D. Parkhe, Visweswaren Sivaramakrishnan
  • Publication number: 20220190306
    Abstract: Metrology systems and processing methods for continuous lithium ion battery (LIB) anode pre-lithiation and solid metal anode protection are provided. In some embodiments, the metrology system integrates at least one complementary non-contact sensor to measure at least one of surface composition, coating thickness, and nanoscale roughness. The metrology system and processing methods can be used to address anode edge quality. The metrology system and methods can facilitate high quality and high yield closed loop anode pre-lithiation and anode protection layer deposition, alloy-type anode pre-lithiation stage control improves LIB coulombic efficiency, and anode coating with pinhole free and electrochemically active protection layers resist dendrite formation.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 16, 2022
    Inventors: David Masayuki ISHIKAWA, Girish Kumar GOPALAKRISHNAN NAIR, Ezhiylmurugan RANGASAMY, David ALVAREZ, Kent Qiujing ZHAO
  • Publication number: 20220181601
    Abstract: A method and system for forming lithium anode devices are provided. In one embodiment, the methods and systems form pre-lithiated Group-IV alloy-type nanoparticles (NP's), for example, Li—Z where Z is Ge, Si, or Sn. In another embodiment, the methods and systems synthesize Group-IV nanoparticles and alloy the Group-IV nanoparticles with lithium. The Group-IV nanoparticles can be made on demand and premixed with anode materials or coated on anode materials. In yet another embodiment, the methods and systems form lithium metal-free silver carbon (“Ag—C”) nanocomposites (NC's). In yet another embodiment, a method utilizing silver (PVD) and carbon (PECVD) co-deposition to make anode coatings that can regulate lithium nucleation energy to minimize dendrite formation is provided.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 9, 2022
    Inventors: Alejandro SEVILLA, Ezhiylmurugan RANGASAMY, Subramanya P. HERLE, David Masayuki ISHIKAWA
  • Publication number: 20220181599
    Abstract: Exemplary processing methods may include translating a lithium film beneath a first showerhead. The methods may include introducing an oxidizer gas through the first showerhead onto the lithium film. The methods may include forming an oxide monolayer on the lithium film. The oxide monolayer may be or include the oxidizer gas adsorbed on the lithium film. The methods may include translating the lithium film beneath a second showerhead after forming the oxide monolayer. The methods may include introducing a carbon source gas through the first showerhead onto the lithium film. The methods may also include converting the oxide monolayer into a carbonate passivation layer through reaction of the oxide monolayer with the carbon source gas.
    Type: Application
    Filed: November 22, 2021
    Publication date: June 9, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Alejandro Sevilla, Wei-Sheng Lei, Girishkumar Gopalakrishnannair, Ezhiylmurugan Rangasamy, David Masayuki Ishikawa, Subramanya P. Herle