Patents by Inventor Masahide Tadokoro
Masahide Tadokoro 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: 11809091Abstract: A substrate processing apparatus which processes includes a thermal processor that performs thermal processing on the substrate; an imager that images the substrate; and a controller that executes adjustment processing of adjusting conditions of processing on the substrate.Type: GrantFiled: July 10, 2020Date of Patent: November 7, 2023Assignee: Tokyo Electron LimitedInventors: Masahide Tadokoro, Masashi Enomoto, Kentaro Yamamura
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Patent number: 11703459Abstract: Various embodiments of systems and methods for calibrating wafer inspection system modules are disclosed herein. More specifically, the present disclosure provides various embodiments of systems and methods to calibrate the multiple spectral band values obtained from a substrate by a camera system included within a WIS module. In one embodiment, multiple spectral band values are red, green, and blue (RGB) values. As described in more detail below, the calibration methods disclosed herein may use a test wafer having a predetermined pattern of thickness changes or color changes to generate multiple spectral band offset values. The multiple spectral band offset values can be applied to the multiple spectral band values obtained from the substrate to generate calibrated RGB values, which compensate for spectral responsivity differences between camera systems included within a plurality of WIS modules.Type: GrantFiled: September 29, 2020Date of Patent: July 18, 2023Assignee: Tokyo Electron LimitedInventors: Michael Carcasi, Hiroyuki Iwaki, Toyohisa Tsuruda, Masahide Tadokoro
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Patent number: 11637031Abstract: Camera images may be utilized to detect substrate edges and provide information regarding the centering of the substrate within the fluid dispense system. Camera images may also be utilized to monitoring the location of a cup within the fluid dispense system. The signal processing techniques utilized may include data smoothing, analyzing only certain wavelengths of reflected energy, transforming the data (in one embodiment utilizing a Fourier transform), and/or analyzing a sub-set of the collected pixels of data. The camera image data collected herein may be combined with a wide variety of other data so as to better monitor, characterize and/or control a substrate processing process flow.Type: GrantFiled: September 29, 2020Date of Patent: April 25, 2023Assignee: Tokyo Electron LimitedInventors: Michael Carcasi, Joshua Hooge, Mark Somervell, Hiroyuki Iwaki, Masahide Tadokoro, Masashi Enomoto, Joel Estrella, Yuichiro Kunugimoto
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Patent number: 11474028Abstract: A substrate inspection system is provided to monitor characteristics of a substrate, while the substrate is disposed within (or being transferred into/out of) a processing unit of a liquid dispense substrate processing system. The inspection system is integrated within a liquid dispense substrate processing system and includes one or more optical sensors of a reflectometer (such as a spectrometer or laser-based transceiver) configured to obtain spectral data from a substrate. A controller is coupled to receive the spectral data from the optical sensors(s). The one or more optical sensors (or one or more optical fibers coupled to the rest of the optical sensor hardware) are coupled at locations within the substrate processing system. The controller analyzes the spectral data received from the optical sensors(s) to detect characteristic(s) of the substrate including, but not limited to, film thickness (FT), refractive index changes, and associated critical dimension (CD) changes.Type: GrantFiled: September 29, 2020Date of Patent: October 18, 2022Assignee: TOKYO ELECTRON LIMITEDInventors: Michael Carcasi, Mark Somervell, Joshua Hooge, Masahide Tadokoro
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Publication number: 20220269177Abstract: A method of processing a plurality of substrates includes loading a substrate onto a coating track, moving the substrate into a module of the coating track, performing a process to modify a film formed over the substrate, and obtaining, at a controller, optical sensor data from an optical sensor. The optical sensor data includes a measurement of a property of the film. The method includes determining a drying metric based on the property of the film, and adjusting a process parameter of the process based on the determined drying metric.Type: ApplicationFiled: February 23, 2021Publication date: August 25, 2022Inventors: Michael Carcasi, Joshua Hooge, Masashi Enomoto, Masahide Tadokoro, Kazuhiro Shiba
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Publication number: 20220252992Abstract: A substrate processing apparatus which processes a substrate, includes: a thermal processor configured to perform thermal processing on the substrate; an imager configured to image the substrate; and a controller, wherein: the controller is configured to execute adjustment processing of adjusting conditions of processing on the substrate; and the adjustment processing includes: a pre-exposure imaging step of controlling the imager to image an unexposed adjustment substrate on which a resist film is formed; a thermal processing step of controlling the thermal processor to perform the thermal processing on the adjustment substrate subjected to uniform exposure processing of exposing each region of a substrate surface with a fixed exposure amount after the pre-exposure imaging step; a post-heating imaging step of controlling the imager to image the adjustment substrate after the thermal processing step; a temperature distribution estimation step of estimating an in-plane temperature distribution of the adjustmenType: ApplicationFiled: July 10, 2020Publication date: August 11, 2022Inventors: Masahide TADOKORO, Masashi ENOMOTO, Kentaro YAMAMURA
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Publication number: 20210387224Abstract: A substrate processing apparatus includes a periphery removal unit configured to remove a peripheral portion of a film formed on a surface of a substrate; a profile acquisition unit configured to acquire a removal width profile indicating a relationship between a position in a circumferential direction of the substrate and a width of a portion of the substrate from which the film is removed; and a factor estimation unit configured to output factor information indicating a factor of an error in the width based on the removal width profile.Type: ApplicationFiled: June 14, 2021Publication date: December 16, 2021Inventors: Hiroshi Nakamura, Masahide Tadokoro, Masashi Enomoto
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Publication number: 20210285822Abstract: Various embodiments of systems and methods for monitoring thermal characteristics of substrates, substrate processes and/or substrate processing module components are disclosed herein. More specifically, the present disclosure provides various embodiments of a thermal imaging sensor within various substrate processing modules (e.g., a liquid dispense module, a baking module or combined bake module, an interface block, a wafer inspection system (WIS) module, a plating dispense module or another processing module) of a substrate processing system. By positioning the thermal imaging sensor at various locations within the substrate processing system, the present disclosure enables thermal data to be remotely collected from the substrate surface, a liquid dispensed onto the substrate surface, a processing space surrounding the substrate, or a component included within a substrate processing module (e.g.Type: ApplicationFiled: March 4, 2021Publication date: September 16, 2021Inventors: Michael Carcasi, Kazuhiro Shiba, Masahide Tadokoro, Masashi Enomoto, Toyohisa Tsuruda
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Publication number: 20210262781Abstract: An information processing apparatus includes a prediction unit configured to calculate, based on a film thickness model representing a relationship between a state of a substrate processing apparatus and a film thickness of a coating film formed on a front surface of a substrate by the substrate processing apparatus and pre-data representing the state of the substrate processing apparatus before the substrate is processed by the substrate processing apparatus, a predicted film thickness when the substrate is processed by the substrate processing apparatus; and an output unit configured to output, based on the predicted film thickness, instruction information on a processing of the substrate before the substrate is processed by the substrate processing apparatus.Type: ApplicationFiled: February 17, 2021Publication date: August 26, 2021Inventors: Masahide Tadokoro, Masashi Enomoto, Toyohisa Tsuruda, Hiroshi Nakamura, Kazuhiro Shiba
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Patent number: 11062899Abstract: There is provided a coated film removing apparatus for removing, with a removal liquid, a peripheral portion of a coated film formed by supplying a coating liquid to a surface of a circular substrate, including: a rotary holding part configured to hold the substrate and rotate together with the substrate; a removal liquid nozzle configured to discharge the removal liquid on a peripheral portion of the surface of the substrate held by the rotary holding part so that the removal liquid is oriented toward a downstream side in a rotational direction of the substrate; and a control part configured to output a control signal so as to rotate the substrate at a rotation speed of 2,300 rpm or more when discharging the removal liquid.Type: GrantFiled: January 22, 2018Date of Patent: July 13, 2021Assignee: TOKYO ELECTRON LIMITEDInventors: Takafumi Hasimoto, Masahide Tadokoro, Taku Nagakane, Koji Takayanagi
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Publication number: 20210131977Abstract: Various embodiments of systems and methods for calibrating wafer inspection system modules are disclosed herein. More specifically, the present disclosure provides various embodiments of systems and methods to calibrate the multiple spectral band values obtained from a substrate by a camera system included within a WIS module. In one embodiment, multiple spectral band values are red, green, and blue (RGB) values. As described in more detail below, the calibration methods disclosed herein may use a test wafer having a predetermined pattern of thickness changes or color changes to generate multiple spectral band offset values. The multiple spectral band offset values can be applied to the multiple spectral band values obtained from the substrate to generate calibrated RGB values, which compensate for spectral responsivity differences between camera systems included within a plurality of WIS modules.Type: ApplicationFiled: September 29, 2020Publication date: May 6, 2021Inventors: Michael Carcasi, Hiroyuki Iwaki, Toyohisa Tsuruda, Masahide Tadokoro
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Publication number: 20210129166Abstract: In a liquid dispense system, camera images may be utilized to identify puddle edges of a liquid dispensed on a substrate. The camera image may be used to determine the percentage of puddle coverage and puddling non-idealities. The camera within a fluid dispense system may also be utilized to monitor the intensity of wavelengths reflected from a substrate during a spin coating step. The reflected intensity as a function of time as a substrate is spin coated may be used to monitor and characterize a spin coating process. The reflected intensity as a function of time may be compared to other substrates to identify substrate to substrate film thickness variations. The analysis may be based upon peaks and/or troughs of the reflected intensity as a function of time.Type: ApplicationFiled: September 29, 2020Publication date: May 6, 2021Inventors: Michael Carcasi, Joshua Hooge, Mark Somervell, Hiroyuki Iwaki, Masahide Tadokoro, Masashi Enomoto, Joel Estrella, Yuichiro Kunugimoto
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Publication number: 20210134637Abstract: Camera images may be utilized to detect substrate edges and provide information regarding the centering of the substrate within the fluid dispense system. Camera images may also be utilized to monitoring the location of a cup within the fluid dispense system. The signal processing techniques utilized may include data smoothing, analyzing only certain wavelengths of reflected energy, transforming the data (in one embodiment utilizing a Fourier transform), and/or analyzing a sub-set of the collected pixels of data. The camera image data collected herein may be combined with a wide variety of other data so as to better monitor, characterize and/or control a substrate processing process flow.Type: ApplicationFiled: September 29, 2020Publication date: May 6, 2021Inventors: Michael Carcasi, Joshua Hooge, Mark Somervell, Hiroyuki Iwaki, Masahide Tadokoro, Masashi Enomoto, Joel Estrella, Yuichiro Kunugimoto
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Publication number: 20210109015Abstract: A substrate inspection system is provided to monitor characteristics of a substrate, while the substrate is disposed within (or being transferred into/out of) a processing unit of a liquid dispense substrate processing system. The inspection system is integrated within a liquid dispense substrate processing system and includes one or more optical sensors of a reflectometer (such as a spectrometer or laser-based transceiver) configured to obtain spectral data from a substrate. A controller is coupled to receive the spectral data from the optical sensors(s). The one or more optical sensors (or one or more optical fibers coupled to the rest of the optical sensor hardware) are coupled at locations within the substrate processing system. The controller analyzes the spectral data received from the optical sensors(s) to detect characteristic(s) of the substrate including, but not limited to, film thickness (FT), refractive index changes, and associated critical dimension (CD) changes.Type: ApplicationFiled: September 29, 2020Publication date: April 15, 2021Inventors: Michael Carcasi, Mark Somervell, Joshua Hooge, Masahide Tadokoro
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Patent number: 10649335Abstract: A substrate processing method, includes acquiring a height distribution along a radial direction of a substrate in a peripheral edge portion of a front surface of the substrate, forming an underlayer film on the entire front surface of the substrate so as to correct a drop of a height of the peripheral edge portion based on the height distribution, and forming a resist film on the entire surface of the underlayer film.Type: GrantFiled: August 26, 2016Date of Patent: May 12, 2020Assignee: TOKYO ELECTRON LIMITEDInventors: Teruhiko Kodama, Masashi Enomoto, Masahide Tadokoro, Takafumi Hashimoto
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Publication number: 20180253007Abstract: A substrate processing method, includes acquiring a height distribution along a radial direction of a substrate in a peripheral edge portion of a front surface of the substrate, forming an underlayer film on the entire front surface of the substrate so as to correct a drop of a height of the peripheral edge portion based on the height distribution, and forming a resist film on the entire surface of the underlayerType: ApplicationFiled: August 26, 2016Publication date: September 6, 2018Applicant: TOKYO ELECTRON LIMITEDInventors: Teruhiko KODAMA, Masashi ENOMOTO, Masahide TADOKORO, Takafumi HASHIMOTO
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Publication number: 20180211832Abstract: There is provided a coated film removing apparatus for removing, with a removal liquid, a peripheral portion of a coated film formed by supplying a coating liquid to a surface of a circular substrate, including: a rotary holding part configured to hold the substrate and rotate together with the substrate; a removal liquid nozzle configured to discharge the removal liquid on a peripheral portion of the surface of the substrate held by the rotary holding part so that the removal liquid is oriented toward a downstream side in a rotational direction of the substrate; and a control part configured to output a control signal so as to rotate the substrate at a rotation speed of 2,300 rpm or more when discharging the removal liquid.Type: ApplicationFiled: January 22, 2018Publication date: July 26, 2018Inventors: Takafumi HASIMOTO, Masahide TADOKORO, Taku NAGAKANE, Koji TAKAYANAGI
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Patent number: 9899243Abstract: A light irradiation apparatus includes: a rotary holding unit that rotates a substrate around a rotary axis while holding the substrate; a lighting unit positioned to face the rotary holding unit; a light shielding mask positioned between the rotary holding unit and the lighting unit, and widened along a direction orthogonal to the rotary axis; and a driving unit that linearly moves the lighting unit along the direction orthogonal to the rotary axis. The light shielding mask overlaps with the substrate when viewed in the direction of the rotary axis. The light shielding mask has an opening portion. An opening width of the opening portion at a side away from the rotary axis is larger than the opening with near the rotary axis. The lighting unit irradiates light through the opening portion toward the surface of the substrate while being moved above the opening portion by the driving unit.Type: GrantFiled: December 8, 2015Date of Patent: February 20, 2018Assignee: Tokyo Electron LimitedInventors: Masahide Tadokoro, Yuichi Terashita, Gousuke Shiraishi, Tomohiro Iseki, Masaru Tomono, Hironori Mizoguchi
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Publication number: 20160170316Abstract: A light irradiation apparatus includes: a rotary holding unit that rotates a substrate around a rotary axis while holding the substrate; a lighting unit positioned to face the rotary holding unit; a light shielding mask positioned between the rotary holding unit and the lighting unit, and widened along a direction orthogonal to the rotary axis; and a driving unit that linearly moves the lighting unit along the direction orthogonal to the rotary axis. The light shielding mask overlaps with the substrate when viewed in the direction of the rotary axis. The light shielding mask has an opening portion. An opening width of the opening portion at a side away from the rotary axis is larger than the opening with near the rotary axis. The lighting unit irradiates light through the opening portion toward the surface of the substrate while being moved above the opening portion by the driving unit.Type: ApplicationFiled: December 8, 2015Publication date: June 16, 2016Inventors: Masahide Tadokoro, Yuichi Terashita, Gousuke Shiraishi, Tomohiro Iseki, Masaru Tomono, Hironori Mizoguchi
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Patent number: 8927906Abstract: The disclosed heating device is to perform a heating process on an exposed substrate formed with a resist film before a developing process, the device including a heating part to perform a heating process on the exposed substrate, the heating part including a plurality of two-dimensionally arranged heating elements; a seating part provided at an upper side of the heating part, on which the substrate is disposed; and a control part to correct a setting temperature of the heating part based on temperature correction values, and to control the heating part based on the corrected setting temperature, during the heating process on one substrate by the heating part, wherein the temperature correction values being previously obtained from measured critical dimensions of the resist pattern in another substrate formed with the resist pattern through the heating process by the heating part and then the developing process.Type: GrantFiled: February 1, 2011Date of Patent: January 6, 2015Assignee: Tokyo Electron LimitedInventors: Masahide Tadokoro, Yoshihiro Kondo, Takashi Saito