Patents by Inventor Masatoshi Shiraishi
Masatoshi Shiraishi 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: 11781215Abstract: A substrate processing method includes preparing a substrate, forming a plating inhibiting film and forming a plating film. In the preparing of the substrate, the substrate W which has a recess 101 formed on a front surface thereof and a seed layer 102 formed on the front surface and an inner surface of the recess is prepared. In the forming of the plating inhibiting film, the plating inhibiting film 103C is formed on an upper portion of the recess. In the forming of the plating film, the plating film 104 is formed in the recess by bringing the substrate into contact with a plating liquid after the forming of the plating inhibiting film, to thereby fill the recess with the plating film.Type: GrantFiled: June 8, 2020Date of Patent: October 10, 2023Assignee: TOKYO ELECTRON LIMITEDInventor: Masatoshi Shiraishi
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Publication number: 20230096305Abstract: A plating apparatus 1 includes a substrate holder 10, a first electrode, a second electrode and a voltage applying unit 30. The substrate holder 10 is configured to hold a substrate. The first electrode is electrically connected to the substrate. The second electrode is configured to scan with respect to a front surface of the substrate. The voltage applying unit 30 is configured to apply a voltage between the first electrode and the second electrode. A first discharge opening 23 configured to discharge a plating liquid L1 and a second discharge opening 24 configured to discharge a cleaning liquid L2 are formed in a bottom surface 22a of the second electrode.Type: ApplicationFiled: February 17, 2021Publication date: March 30, 2023Inventors: Masato Hamada, Masami Akimoto, Masatoshi Shiraishi, Kazuyuki Goto, Satoshi Kaneko, Kazuki Motomatsu
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Publication number: 20230042744Abstract: A plating method includes holding a substrate, supplying a plating liquid L1, supplying a conductive liquid L2 and applying a voltage. In the holding of the substrate, the substrate is held. In the supplying of the plating liquid L1, the plating liquid L1 is supplied onto the held substrate. In the supplying of the conductive liquid L2, the conductive liquid L2, which is different from the plating liquid L1 supplied on the substrate, is supplied onto the plating liquid L1. In the applying of the voltage, the voltage is applied between the substrate and the conductive liquid L2.Type: ApplicationFiled: February 1, 2021Publication date: February 9, 2023Inventors: Masato Hamada, Masami Akimoto, Masatoshi Shiraishi, Satoshi Kaneko, Kazuki Motomatsu, Kazuyuki Goto
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Publication number: 20220275502Abstract: A substrate processing method includes preparing a substrate, forming a plating inhibiting film and forming a plating film. In the preparing of the substrate, the substrate W which has a recess 101 formed on a front surface thereof and a seed layer 102 formed on the front surface and an inner surface of the recess is prepared. In the forming of the plating inhibiting film, the plating inhibiting film 103C is formed on an upper portion of the recess. In the forming of the plating film, the plating film 104 is formed in the recess by bringing the substrate into contact with a plating liquid after the forming of the plating inhibiting film, to thereby fill the recess with the plating film.Type: ApplicationFiled: June 8, 2020Publication date: September 1, 2022Inventor: Masatoshi Shiraishi
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Patent number: 10008419Abstract: A superposed wafer is separated to a processing target wafer and a supporting wafer while being heated. Then, an adhesive on a joint surface of the processing target wafer is removed by supplying an organic solvent onto the joint surface of the processing target wafer. Then, an oxide film formed on the predetermined pattern on the joint surface of the processing target wafer is removed by supplying acetic acid to the joint surface of the processing target wafer. Then, the joint surface of the processing target wafer is inspected. Then, based on an inspection result, the adhesive on the joint surface of the processing target wafer is removed and the oxide film formed on the predetermined pattern on the joint surface of the processing target wafer is removed.Type: GrantFiled: August 22, 2012Date of Patent: June 26, 2018Assignees: Tokyo Electron Limited, INTEL CORPORATIONInventors: Shinji Okada, Masatoshi Shiraishi, Masatoshi Deguchi, Xavier Francois Brun, Charles Wayne Singleton, Jr., Kabirkumar Mirpuri
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Patent number: 9484236Abstract: This joining method of joining a target substrate and a support substrate includes: an adhesive coating operation that includes coating the target substrate or the support substrate with an adhesive; an adhesive removing operation that includes supplying a solvent for removing the adhesive onto an outer peripheral portion of the target substrate or the support substrate, which is coated with the adhesive in the adhesive coating operation, to thereby remove the adhesive on the outer peripheral portion; and a joining operation that includes pressing and joining the target substrate and the support substrate together, in which the adhesive on the outer peripheral portion is removed in the adhesive removing operation, and the support substrate coated with no adhesive, or pressing and joining the support substrate, in which the adhesive on the outer peripheral portion is removed in the adhesive removing operation, and the target substrate coated with no adhesive.Type: GrantFiled: August 3, 2012Date of Patent: November 1, 2016Assignee: TOKYO ELECTRON LIMITEDInventors: Shinji Okada, Masatoshi Shiraishi, Masatoshi Deguchi
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Patent number: 9463612Abstract: The present disclosure is a joining method that joins a target substrate and a support substrate, wherein the method has: a joining operation that includes pressing and joining the target substrate and the support substrate by interposing an adhesive therebetween; and an adhesive removing operation that includes supplying a solvent of the adhesive to the outer adhesive that is the adhesive between the target substrate and the support substrate protruding in the joining operation from the outer lateral surface of the stacked substrate made by joining the target substrate and the support substrate, and to remove the surface of the outer adhesive so that the outer adhesive is formed at a predetermined size.Type: GrantFiled: August 30, 2012Date of Patent: October 11, 2016Assignee: TOKYO ELECTRON LIMITEDInventors: Shinji Okada, Masatoshi Shiraishi, Masatoshi Deguchi
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Patent number: 8899289Abstract: When joining a processing target substrate and a supporting substrate together by suction-holding the processing substrate and the supporting substrate respectively on a first holding unit and a second holding unit arranged to face each other and pressing the second holding unit toward the first holding unit while heating the substrates by heating mechanisms of the holding units, the present invention preheats at least the processing target substrate before suction-holding the processing target substrate on the first holding unit to suppress generation of particles when joining the processing target substrate and the supporting substrate together so as to properly perform the joining of the processing target substrate and the supporting substrate.Type: GrantFiled: September 13, 2012Date of Patent: December 2, 2014Assignee: Tokyo Electron LimitedInventors: Masatoshi Deguchi, Masatoshi Shiraishi, Shinji Okada
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Publication number: 20140335633Abstract: A superposed wafer is separated to a processing target wafer and a supporting wafer while being heated. Then, an adhesive on a joint surface of the processing target wafer is removed by supplying an organic solvent onto the joint surface of the processing target wafer. Then, an oxide film formed on the predetermined pattern on the joint surface of the processing target wafer is removed by supplying acetic acid to the joint surface of the processing target wafer. Then, the joint surface of the processing target wafer is inspected. Then, based on an inspection result, the adhesive on the joint surface of the processing target wafer is removed and the oxide film formed on the predetermined pattern on the joint surface of the processing target wafer is removed.Type: ApplicationFiled: August 22, 2012Publication date: November 13, 2014Applicant: TOKYO ELECTRON LIMITEDInventors: Shinji Okada, Masatoshi Shiraishi, Masatoshi Deguchi
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Publication number: 20140224414Abstract: The present disclosure is a joining method that joins a target substrate and a support substrate, wherein the method has: a joining operation that includes pressing and joining the target substrate and the support substrate by interposing an adhesive therebetween; and an adhesive removing operation that includes supplying a solvent of the adhesive to the outer adhesive that is the adhesive between the target substrate and the support substrate protruding in the joining operation from the outer lateral surface of the stacked substrate made by joining the target substrate and the support substrate, and to remove the surface of the outer adhesive so that the outer adhesive is formed at a predetermined size.Type: ApplicationFiled: August 30, 2012Publication date: August 14, 2014Applicant: TOKYO ELECTRON LIMITEDInventors: Shinji Okada, Masatoshi Shiraishi, Masatoshi Deguchi
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Publication number: 20140224763Abstract: This joining method of joining a target substrate and a support substrate includes: an adhesive coating operation that includes coating the target substrate or the support substrate with an adhesive; an adhesive removing operation that includes supplying a solvent of the adhesive onto an outer peripheral portion of the target substrate or the support substrate, which is coated with the adhesive in the adhesive coating operation, to thereby remove the adhesive on the outer peripheral portion; and a joining operation that includes pressing and joining the target substrate and the support substrate together, in which the adhesive on the outer peripheral portion is removed in the adhesive removing operation, and the support substrate coated with no adhesive, or pressing and joining the support substrate, in which the adhesive on the outer peripheral portion is removed in the adhesive removing operation, and the target substrate coated with no adhesive.Type: ApplicationFiled: August 3, 2012Publication date: August 14, 2014Applicant: TOKYO ELECTRON LIMITEDInventors: Shinji Okada, Masatoshi Shiraishi, Masatoshi Deguchi
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Publication number: 20130071996Abstract: When joining a processing target substrate and a supporting substrate together by suction-holding the processing substrate and the supporting substrate respectively on a first holding unit and a second holding unit arranged to face each other and pressing the second holding unit toward the first holding unit while heating the substrates by heating mechanisms of the holding units, the present invention preheats at least the processing target substrate before suction-holding the processing target substrate on the first holding unit to suppress generation of particles when joining the processing target substrate and the supporting substrate together so as to properly perform the joining of the processing target substrate and the supporting substrate.Type: ApplicationFiled: September 13, 2012Publication date: March 21, 2013Applicant: TOKYO ELECTRON LIMITEDInventors: Masatoshi DEGUCHI, Masatoshi SHIRAISHI, Shinji OKADA
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Publication number: 20130062013Abstract: A joint apparatus that joins a processing target substrate and a supporting substrate together, includes: a processing container that is capable of hermetically closing an inside thereof; a joint unit that joins the processing target substrate and the supporting substrate together by pressing the processing target substrate and the supporting substrate via an adhesive; and a superposed substrate temperature regulation unit that temperature-regulates a superposed substrate joined in the joint unit, wherein the joint unit and the superposed substrate temperature regulation unit are arranged in the processing container, A delivery unit for delivering the processing target substrate, the supporting substrate, or the superposed substrate to/from an outside of the processing container is provided in the processing container, and the superposed substrate temperature regulation unit is provided in the delivery unit.Type: ApplicationFiled: September 11, 2012Publication date: March 14, 2013Applicant: TOKYO ELECTRON LIMITEDInventors: Shinji OKADA, Masatoshi SHIRAISHI, Masatoshi DEGUCHI, Naoto YOSHITAKA, Shintaro SUGIHARA, Masataka MATSUNAGA
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Patent number: 7678532Abstract: The present invention provides a method of processing a substrate, comprising a reflow process for forming a desired pattern by dissolving a resist pattern, whereby occurrence of defectives, such as disconnection, can be prevented, and a pattern having an appropriate uniformity can be formed efficiently on each predetermined area desired to be masked. From a photoresist pattern 206 including thicker film portions and thinner film portions, the thinner film portions are removed by a re-developing process. Next, the photoresist so formed by the re-developing process on a backing layer 205 is dissolved such that it passes through a stepped portion 205a formed at each edge portion 205b of the backing layer 205, thereby masking a predetermined area Tg.Type: GrantFiled: March 1, 2007Date of Patent: March 16, 2010Assignee: Tokyo Electron LimitedInventors: Yutaka Asou, Masatoshi Shiraishi
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Patent number: 7670960Abstract: Disclosed is a substrate processing method that dissolves and deforms a photoresist film having a first pattern formed on a substrate to reshape the resist film into a second pattern. The method includes: evacuating a processing chamber, thereby reducing an internal pressure of the processing chamber from a standard pressure to a first target pressure lower than the standard pressure; introducing a solvent vapor-containing atmosphere into the processing chamber, thereby bringing the internal pressure back to the standard pressure; dissolving the resist film by a solvent contained in the solvent vapor-containing atmosphere; and evacuating a processing chamber, thereby reducing the internal pressure to a second target pressure higher than the first target pressure and lower than the standard pressure and discharging the solvent vapor-containing atmosphere from the processing chamber.Type: GrantFiled: March 2, 2007Date of Patent: March 2, 2010Assignee: Tokyo Electron LimitedInventors: Yutaka Asou, Masatoshi Shiraishi
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Patent number: 7550043Abstract: A processing chamber actually performs a heating process for a substrate. The processing chamber has an upper plate, a lower plate, and an exhaust opening. The upper plate heats a resist from a front surface of the substrate. The lower plate heats the resist from a rear surface of the substrate. The exhaust opening exhausts gas from the processing chamber. The upper plate is disposed in such a manner that it can be raised and lowered in the processing chamber by an upper air cylinder that composes an upper driving mechanism. The lower plate is disposed on a floor of the processing chamber. The exhaust opening is connected to a pump through a pipe. Heating temperature and heating time of the upper plate and the lower plate are controlled by a heating control portion. A pressure in the processing chamber is controlled by a pump. The pump is controlled by a pressure controlling portion.Type: GrantFiled: December 16, 2003Date of Patent: June 23, 2009Assignee: Tokyo Electron LimitedInventors: Masatoshi Shiraishi, Masatsugu Nakama, Hideyuki Takamori
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Publication number: 20070205181Abstract: Disclosed is a substrate processing method that dissolves and deforms a photoresist film having a first pattern formed on a substrate to reshape the resist film into a second pattern. The method includes: evacuating a processing chamber, thereby reducing an internal pressure of the processing chamber from a standard pressure to a first target pressure lower than the standard pressure; introducing a solvent vapor-containing atmosphere into the processing chamber, thereby bringing the internal pressure back to the standard pressure; dissolving the resist film by a solvent contained in the solvent vapor-containing atmosphere; and evacuating a processing chamber, thereby reducing the internal pressure to a second target pressure higher than the first target pressure and lower than the standard pressure and discharging the solvent vapor-containing atmosphere from the processing chamber.Type: ApplicationFiled: March 2, 2007Publication date: September 6, 2007Applicant: TOKYO ELECTRON LIMITEDInventors: Yutaka Asou, Masatoshi Shiraishi
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Publication number: 20070207405Abstract: The present invention provides a method of processing a substrate, comprising a reflow process for forming a desired pattern by dissolving a resist pattern, whereby occurrence of defectives, such as disconnection, can be prevented, and a pattern having an appropriate uniformity can be formed efficiently on each predetermined area desired to be masked. From a photoresist pattern 206 including thicker film portions and thinner film portions, the thinner film portions are removed by a re-developing process. Next, the photoresist so formed by the re-developing process on a backing layer 205 is dissolved such that it passes through a stepped portion 205a formed at each edge portion 205b of the backing layer 205, thereby masking a predetermined area Tg.Type: ApplicationFiled: March 1, 2007Publication date: September 6, 2007Applicant: TOKYO ELECTRON LIMITEDInventors: Yutaka Asou, Masatoshi Shiraishi
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Publication number: 20040126713Abstract: A processing chamber actually performs a heating process for a substrate. The processing chamber has an upper plate, a lower plate, and an exhaust opening. The upper plate heats a resist from a front surface of the substrate. The lower plate heats the resist from a rear surface of the substrate. The exhaust opening exhausts gas from the processing chamber. The upper plate is disposed in such a manner that it can be raised and lowered in the processing chamber by an upper air cylinder that composes an upper driving mechanism. The lower plate is disposed on a floor of the processing chamber. The exhaust opening is connected to a pump through a pipe. Heating temperature and heating time of the upper plate and the lower plate are controlled by a heating control portion. A pressure in the processing chamber is controlled by a pump. The pump is controlled by a pressure controlling portion.Type: ApplicationFiled: December 16, 2003Publication date: July 1, 2004Inventors: Masatoshi Shiraishi, Masatsugu Nakama, Hideyuki Takamori
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Patent number: 5939130Abstract: A coating film forming method for forming a resist coating film on an upper surface of a wafer held by a spin chuck in a chamber includes (a) the step of keeping preliminary correlation data representing correlation between a wafer rotating speed and the thickness of the resist coating film formed on the wafer in the chamber, (b) the step of conveying the wafer into the chamber and holding the wafer by the spin chuck, (c) the step of pouring the resist liquid onto the wafer and spin-rotating the wafer to form a resist coating film on the upper surface of the wafer, (d) the step of detecting the thickness of the formed resist coating film by a sensor, (e) the step of detecting a rotating speed of the spin chuck by a sensor, and (f) the step of, on the basis of the detected film thickness and the preliminary correlation data, correcting a set rotating speed of the spin chuck to feedback-control a resist coating process for a next wafer.Type: GrantFiled: May 27, 1997Date of Patent: August 17, 1999Assignee: Tokyo Electron LimitedInventors: Masatoshi Shiraishi, Yukio Kiba, Kunie Ogata