Patents by Inventor Ashur J. Atanos
Ashur J. Atanos 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).
-
Patent number: 12270752Abstract: A method and apparatus for determining a growth rate on a semiconductor substrate is described herein. The apparatus is an optical sensor, such as an optical growth rate sensor. The optical sensor is positioned in an exhaust of a deposition chamber. The optical sensor is self-heated using one or more internal heating elements, such as a resistive heating element. The internal heating elements are configured to heat a sensor coupon. A film is formed on the sensor coupon by exhaust gases flowed through the exhaust and is correlated to film growth on a substrate within a process volume of the deposition chamber.Type: GrantFiled: May 23, 2022Date of Patent: April 8, 2025Assignee: Applied Materials, Inc.Inventors: Zhepeng Cong, Tao Sheng, Ashur J. Atanos
-
Patent number: 12243761Abstract: An apparatus, method, and system for identifying and obtaining information related to a substrate support and/or a pre-heat ring in a process chamber via imaging and image processing. In an embodiment, a substrate support is provided. The substrate support generally includes a top surface configured to receive a substrate in a process chamber and a marking feature disposed on the top surface of the substrate support, the marking feature configured to be detectable by an imaging apparatus coupled to the process chamber to provide information related to the substrate support via imaging when the substrate support is disposed within the process chamber.Type: GrantFiled: October 27, 2022Date of Patent: March 4, 2025Assignee: Applied Materials, Inc.Inventors: Martin Jeffrey Salinas, Zhepeng Cong, Hui Chen, Xinning Luan, Ashur J. Atanos
-
Patent number: 12221696Abstract: The present disclosure relates to flow guides, process kits, and related methods for processing chambers to facilitate deposition process adjustability. In one implementation, a process kit for disposition in a processing chamber applicable for use in semiconductor manufacturing includes a plate having a first face and a second face opposing the first face. The process kit includes a liner. The liner includes an annular section, and one or more ledges extending inwardly relative to the annular section. The one or more ledges are configured to support one or more outer regions of the second face of the plate. The liner includes one or more inlet openings extending to an inner surface of the annular section on a first side of the liner, and one or more outlet openings extending to the inner surface of the annular section on a second side of the liner.Type: GrantFiled: July 22, 2022Date of Patent: February 11, 2025Assignee: APPLIED MATERIALS, INC.Inventors: Zhepeng Cong, Ala Moradian, Tao Sheng, Nimrod Smith, Ashur J. Atanos, Vinh N. Tran
-
Publication number: 20250037975Abstract: A flow apparatus and process chamber having the same are described herein. In one example, flow apparatus for use in semiconductor processing comprises an inject assembly and an inductive heater coupled to the inject assembly. The inject assembly comprises an inject body, a first gas inlet configured to flow a first gas through the inject body, and a plurality of flow channels disposed in the inject body, the plurality of flow channels coupled to the first gas inlet. The inductive heater is configured to heat a gas and comprises a heater housing, a graphite rod disposed in the heater housing, the graphite rod having a distal end and proximate end, an inductive coil disposed around the graphite rod, and a second gas inlet configured to flow a second gas between the heater housing and a graphite rod.Type: ApplicationFiled: July 28, 2023Publication date: January 30, 2025Applicant: Applied Materials, Inc.Inventors: Zhepeng CONG, Ashur J. ATANOS, Nimrod SMITH, Khokan C. PAUL, Tao SHENG
-
Publication number: 20250003806Abstract: The present disclosure relates to chamber kits, systems, and methods for calibrating temperature sensors for semiconductor manufacturing. In one or more embodiments, a chamber kit for processing chambers applicable for semiconductor manufacturing includes a plate formed of a transparent material. The plate includes an opening formed in an outer face of the plate. The chamber kit includes a first calibration substrate positioned at least partially in the opening of the plate, and the first calibration substrate is formed of a first material. The chamber kit includes a second calibration substrate positioned at least partially in the opening of the plate, and the second calibration substrate is formed of a second material that is different than the first material.Type: ApplicationFiled: June 27, 2023Publication date: January 2, 2025Inventors: Zhepeng CONG, Tao SHENG, Khokan C. PAUL, Ashur J. ATANOS, Nimrod SMITH, Vinh N. TRAN
-
Publication number: 20240363327Abstract: Embodiments of the disclosure provided herein include an apparatus and method for lamp heating in process chambers used to process semiconductor substrates. The apparatus includes a lamp for use in a processing chamber, the lamp having a lamp envelope with an interior volume, a first end of the lamp envelope coupled to a base, a second end of the lamp envelope opposing the first end, a filament disposed within the interior volume, and a radiation shield proximate to the second end. In another embodiment, the lamp assembly has at least one lamp, the at least one lamp having a lamp envelope having an interior volume, a first end of the lamp envelope coupled to a base, a second end of the lamp envelope opposing the first end, a filament disposed within the interior volume, and a radiation shield proximate to the second end.Type: ApplicationFiled: April 28, 2023Publication date: October 31, 2024Inventors: Zhepeng CONG, Ashur J. ATANOS, Nimrod SMITH, Tao SHENG
-
Publication number: 20240363448Abstract: Embodiments of the present disclosure relate to measuring systems, processing systems, and related apparatus and methods that include band gap materials for temperature measurement calibration. In one or more embodiments, a measurement system includes a substrate support assembly that includes an inner section and an outer section. The inner section includes a first face, a second face opposing the first face, one or more first support recesses formed in the first face, and one or more openings extending between the one or more first support recesses and the second face. The measurement system includes one or more calibration substrates sized and shaped for positioning at least partially in the one or more first support recesses. The measurement system includes a band edge calibration assembly that includes an energy source and a band edge detector.Type: ApplicationFiled: January 19, 2024Publication date: October 31, 2024Inventors: Zhepeng CONG, Zuoming ZHU, Ala MORADIAN, Tao SHENG, Khokan C. PAUL, Ashur J. ATANOS
-
Publication number: 20240337537Abstract: The present disclosure relates to systems, apparatus, and methods for monitoring plate temperature for semiconductor manufacturing. In one or more embodiments, a system for processing substrates and applicable for semiconductor manufacturing includes a chamber body including one or more sidewalls. The system includes a lid and a window, the one or more sidewalls, the window, and the lid at least partially defining an internal volume. The system includes one or more heat sources configured to heat the internal volume, a substrate support disposed in the internal volume, and a first optical sensor configured to detect energy having a first wavelength that is less than 4.0 microns. The system includes a second optical sensor configured to detect energy having a second wavelength that is less than the first wavelength.Type: ApplicationFiled: April 10, 2023Publication date: October 10, 2024Inventors: Zhepeng CONG, Nimrod SMITH, Ashur J. ATANOS, Tao SHENG
-
Publication number: 20240274448Abstract: The present disclosure relates to transfer chambers, systems, and related components and methods, for pre-heating and pre-cooling substrate transfer apparatus. In one or more embodiments, the transfer apparatus are pre-heated and pre-cooled in relation to transferring substrates for substrate processing operations as part of semiconductor manufacturing. In one or more embodiments, a transfer chamber applicable for use in semiconductor manufacturing includes an internal volume, one or more sidewalls at least partially defining the internal volume, and a transfer apparatus disposed in the internal volume. The transfer apparatus includes one or more links, one or more motors configured to pivot the one or more links, and one or more substrate holders coupled to the one or more links. The transfer chamber includes a window that includes a transparent material, and one or more heat sources configured to direct heat into the internal volume through the window.Type: ApplicationFiled: February 10, 2023Publication date: August 15, 2024Inventors: Zhepeng CONG, Masato ISHII, Ernesto J. ULLOA, Shu-Kwan LAU, Bharath Bopanna PUTTICHANDA, Ashur J. ATANOS, Andrew KRETZSCHMAR
-
Publication number: 20240254655Abstract: A method and apparatus for processing substrates suitable for use in semiconductor manufacturing. The method includes heating a substrate positioned on a substrate support. The method includes flowing a purge gas over an isolation plate disposed above the substrate, the flowing the purge gas including diverting a portion of the purge gas below the isolation plate through a plurality of perforations in the isolation plate. The method includes flowing one or more process gases over the substrate to deposit a material on the substrate, the flowing of the one or more process gases over the substrate comprising guiding the one or more process gases through one or more flow paths defined at least in part by a space between the isolation plate and the substrate.Type: ApplicationFiled: April 27, 2023Publication date: August 1, 2024Applicant: Applied Materials, Inc.Inventors: Zhepeng CONG, Tao SHENG, Errol Antonio C. SANCHEZ, Michael R. RICE, Nimrod SMITH, Ashur J. ATANOS
-
Publication number: 20240247404Abstract: Embodiments of the present disclosure generally relate to a pre-heat ring for use in a substrate processing chamber, and related methods. A pre-heat ring including black quartz (such as formed of black quartz) facilitates material properties that can facilitate heating benefits. In one or more embodiments, a pre-heat ring applicable for use in a semiconductor processing chamber includes one or more ring segments. The one or more ring segments include an inner edge defining an inner dimension, an outer edge defining an outer dimension, a first side surface between the inner edge and the outer edge, and a second side surface between the inner edge and the outer edge. The second side surface is opposing the first side surface. The one or more ring segments include black quartz. The black quartz includes silicon dioxide (SiO2) impregnated with undoped silicon (Si).Type: ApplicationFiled: January 25, 2023Publication date: July 25, 2024Inventors: Nimrod SMITH, Zhepeng CONG, Ashur J. ATANOS
-
Publication number: 20240234073Abstract: Embodiments of the present disclosure relates to methods, systems, and apparatus for monitoring radiation output of lamps of processing chambers. In some embodiments, a system contains a plurality of lamps coupled to a chamber, and one or more radiation sensors. Each lamp is identified with one or more zones, the radiation sensors are coupled to the chamber, where each radiation sensor is proximal at least one lamp. A controller contains instructions that, when executed, cause: the radiation sensors to convey, to the controller, information associated with radiation emitted by the lamps; the controller to analyze the information, the analyzing including: for each zone: determining a function of radiation over time; and monitoring the function for a condition associated with lamp aging; and the controller to, based on the analyzing the information, perform at least one of the following: vary input power delivered to the lamps; and generate an alert.Type: ApplicationFiled: October 17, 2023Publication date: July 11, 2024Inventors: Zhepeng CONG, Ashur J. ATANOS, Khokan C. PAUL, Tao SHENG
-
Publication number: 20240170321Abstract: The present disclosure relates to transfer apparatus, and related components and methods, for transferring substrates in relation to substrate processing operations for semiconductor manufacturing. In one implementation, a transfer apparatus for moving a substrate in relation to semiconductor manufacturing includes a body, and a plurality of substrate supports inserted at least partially into the body. Each of the plurality of substrate supports includes an inner segment, and one or more fins extending outwardly relative to the inner segment. Each of the inner segment and the one or more fins includes silicon carbide (SiC).Type: ApplicationFiled: November 21, 2022Publication date: May 23, 2024Inventors: Zhepeng CONG, Ashur J. ATANOS, Masato ISHII, Andrew KRETZSCHMAR
-
Publication number: 20240145281Abstract: An apparatus, method, and system for identifying and obtaining information related to a substrate support and/or a pre-heat ring in a process chamber via imaging and image processing. In an embodiment, a substrate support is provided. The substrate support generally includes a top surface configured to receive a substrate in a process chamber and a marking feature disposed on the top surface of the substrate support, the marking feature configured to be detectable by an imaging apparatus coupled to the process chamber to provide information related to the substrate support via imaging when the substrate support is disposed within the process chamber.Type: ApplicationFiled: October 27, 2022Publication date: May 2, 2024Inventors: Martin Jeffrey SALINAS, Zhepeng CONG, Hui CHEN, Xinning LUAN, Ashur J. ATANOS
-
Publication number: 20240145273Abstract: The present disclosure relates to methods, systems, and apparatus for monitoring temperature at multiple sites within a substrate processing chamber. A system for processing substrates includes: a process chamber comprising a processing volume, a first window at a first perimeter of the processing volume, a substrate support within the processing volume; and a first multi-wavelength pyrometer configured to measure: a first temperature at a first site proximal the first window, and a second temperature at a second site proximal the substrate support.Type: ApplicationFiled: October 17, 2023Publication date: May 2, 2024Inventors: Zhepeng CONG, Tao SHENG, Ashur J. ATANOS, Nimrod SMITH, Vinh N. TRAN, Khokan C. PAUL
-
Publication number: 20240141487Abstract: Embodiments disclosed herein generally provide improved control of gas flow in processing chambers. In at least one embodiment, a disk and liner assembly includes a quartz disk having an outer diameter, a plurality of holes or slots formed in the quartz disk, and a quartz ring having an inner diameter less than the outer diameter of the quartz disk.Type: ApplicationFiled: October 27, 2022Publication date: May 2, 2024Inventors: Zhepeng CONG, Ashur J. ATANOS, Khokan C. PAUL, Nimrod SMITH, Tao SHENG, Vinh TRAN
-
Publication number: 20240136140Abstract: Embodiments of the present disclosure relates to methods, systems, and apparatus for monitoring radiation output of lamps of processing chambers. In some embodiments, a system contains a plurality of lamps coupled to a chamber, and one or more radiation sensors. Each lamp is identified with one or more zones, the radiation sensors are coupled to the chamber, where each radiation sensor is proximal at least one lamp. A controller contains instructions that, when executed, cause: the radiation sensors to convey, to the controller, information associated with radiation emitted by the lamps; the controller to analyze the information, the analyzing including: for each zone: determining a function of radiation over time; and monitoring the function for a condition associated with lamp aging; and the controller to, based on the analyzing the information, perform at least one of the following: vary input power delivered to the lamps; and generate an alert.Type: ApplicationFiled: October 16, 2023Publication date: April 25, 2024Inventors: Zhepeng CONG, Ashur J. ATANOS, Khokan C. PAUL, Tao SHENG
-
Publication number: 20240038575Abstract: Embodiments described herein relate to a susceptor kit. The susceptor kit includes a susceptor support plate including a plurality of susceptor lift pin holes and a plurality of susceptor support holes, a plurality of susceptor supports recessed within the plurality of susceptor support holes and coupled to the susceptor support plate, and a lift pin assembly. The plurality of susceptor supports receive a plurality of susceptor support pins. The support body supports the support pin link in a spaced apart relation to the susceptor support plate. The lift pin assembly is received in the plurality of susceptor lift pin holes. The lift pin assembly includes a lift pin cap and a susceptor lift pin comprising a susceptor stop plate. The susceptor support plate stop is receivable within the susceptor lift pin holes.Type: ApplicationFiled: July 27, 2022Publication date: February 1, 2024Inventors: Zhepeng CONG, Ashur J. ATANOS, Nimrod SMITH, Richard O. COLLINS
-
Publication number: 20240035161Abstract: An apparatus for heating a gas is described. The apparatus is a pre-heat ring and heater assembly positioned in a deposition chamber, such as an epitaxial deposition chamber. The pre-heat ring has a first portion configured to be heated using one or more heaters. The one or more heaters are disposed through a sidewall of the process volume beneath the pre-heat ring and are configured to heat the pre-heat ring so that gas flowed over the pre-heat ring is also heated before being flowed over a substrate. The one or more heaters may include two heaters disposed at distal ends of the first portion of the pre-heat ring. One or more temperature sensors are also configured to measure a temperature of the pre-heat ring.Type: ApplicationFiled: July 26, 2022Publication date: February 1, 2024Inventors: Zhepeng CONG, Ashur J. ATANOS, Tao SHENG, Nimrod SMITH, Vinh N. TRAN
-
Publication number: 20230407478Abstract: The present disclosure relates to flow guides, process kits, and related methods for processing chambers to facilitate deposition process adjustability. In one implementation, a process kit for disposition in a processing chamber applicable for use in semiconductor manufacturing includes a plate having a first face and a second face opposing the first face. The process kit includes a liner. The liner includes an annular section, and one or more ledges extending inwardly relative to the annular section. The one or more ledges are configured to support one or more outer regions of the second face of the plate. The liner includes one or more inlet openings extending to an inner surface of the annular section on a first side of the liner, and one or more outlet openings extending to the inner surface of the annular section on a second side of the liner.Type: ApplicationFiled: July 22, 2022Publication date: December 21, 2023Inventors: Zhepeng CONG, Ala MORADIAN, Tao SHENG, Nimrod SMITH, Ashur J. ATANOS, Vinh N. TRAN