Patents by Inventor Masaaki Ueno
Masaaki Ueno 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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Publication number: 20110207339Abstract: A heat treatment apparatus capable of achieving high-accuracy processing and high safety and a method of manufacturing a substrate are provided. The heat treatment apparatus 10 includes a reaction tube 42 for processing a substrate, a manifold 44 for supporting the reaction tube 42, a heater 46 installed around the reaction tube 42 to heat an inner part of the reaction tube 42, a circumferential portion 500 installed to surround a side portion of the reaction tube 42 arranged in a lower portion than the heater 46; an exhaust device 301 for forcibly exhausting a gap 506 between the circumferential portion 500 and the reaction tube 42; and a sealing member 150 installed in a contacting portion between the reaction tube 42 and the manifold 44. Here, an inlet port 501 through which the exhaust device inhales an atmosphere outside the circumferential portion 500 to the gap 506 is installed in the circumferential portion 500.Type: ApplicationFiled: February 24, 2011Publication date: August 25, 2011Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Keishin YAMAZAKI, Akira HAYASHIDA, Masaaki UENO, Manabu IZUMI, Katsuaki NOGAMI
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Patent number: 7930059Abstract: A semiconductor manufacturing method includes a determination of, when the heater is controlled using a first output control pattern, an output amount by differential operation, and an output amount by a proportional operation such that a temperature detected by the first thermometer becomes a target temperature from a temperature at a ramp-up start time, patterning a part of an operation amount of the heater by using a first heat amount to determine a second output control pattern, the second heat amount being determined based on a temperature detected by the second thermometer and being defined at a period from the ramp-up start time to a time of maximum temperature, the operation amount of the heater being defined at the period, and a processing of the substrate while controlling the heater by using the second output control pattern.Type: GrantFiled: March 18, 2009Date of Patent: April 19, 2011Assignee: Hitachi Kokusai Electric Inc.Inventors: Masashi Sugishita, Masaaki Ueno
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Publication number: 20110021039Abstract: Provided are a heating device, a substrate processing apparatus, and a method of manufacturing a semiconductor device. The heating device comprises: a heating element including a mountain part and a valley part that are alternately connected in plurality in a meander shape with both ends being fixed; holding body receiving parts respectively installed at ends of the valley parts and formed as cutout parts having a width larger than a width of the valley part; an insulating body installed at an outer circumference of the heating element; a holding body disposed in the holding body receiving part and fixed to the insulating body; the heating element having a ring shape; the insulating body installed in a manner of surrounding the outer circumference of the heating element; and a fixation part configured to fix the heating element to an inner wall of the insulating body.Type: ApplicationFiled: July 19, 2010Publication date: January 27, 2011Applicant: HITACHI-KOKUSAI ELECTRIC INC.Inventors: Hitoshi MURATA, Tetsuya KOSUGI, Shinobu Sugiura, Masaaki UENO
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Publication number: 20100154711Abstract: Films are formed on a plurality of substrates through a batch process while preventing formation of films on the rear surfaces of the substrates. For this, a substrate processing apparatus comprises a reaction vessel, supports, a support holder, and an induction heating device. The reaction vessel is configured to process substrates therein. The supports are made of a conductive material and having a disk shape, and each of the supports is configured to accommodate a substrate in its concave part in a state where the substrate is horizontally positioned with a top surface of the substrate being exposed. The concave part is formed concentrically with a circumference of the support, and a difference between radii of the support and the concave part is greater than a distance between neighboring two of the supports held by the support holder. The support holder is configured to hold at least the supports horizontally in multiple stages.Type: ApplicationFiled: December 22, 2009Publication date: June 24, 2010Applicant: HITACHI-KOKUSAI ELECTRIC INC.Inventors: Kiyohisa ISHIBASHI, Fumihide IKEDA, Masaaki UENO, Takahiro MAEDA, Yasuhiro INOKUCHI, Yasuo KUNII, Hidehiro YANAGAWA
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Patent number: 7727780Abstract: A semiconductor manufacturing apparatus and substrate processing method includes a step of acquiring a measurement value based on a first detecting and a second detecting section and determining a first difference of measurement values between the first detecting section and the second detecting section, comparing between a previously stored second difference between measurement values concerning the first detecting section and the second detecting section, calculating a correction value for a pressure in a cooling-gas passage provided between a process chamber and a heating device depending upon the first difference when the first difference is different from the second difference, and correcting the pressure value based on the pressure correction value, and a step of processing the substrate by flowing a cooling gas through the cooling-gas passage while heating the process chamber, and placing the heating device and the cooling device under a control section depending upon a pressure value corrected.Type: GrantFiled: January 23, 2008Date of Patent: June 1, 2010Assignee: Hitachi Kokusai Electric Inc.Inventors: Masashi Sugishita, Masaaki Ueno, Akira Hayashida
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Publication number: 20100124726Abstract: Provided are a substrate processing apparatus, a semiconductor device manufacturing method, and a temperature controlling method, which are adapted to improve equipment operational rate. A calculation parameter computing unit computes a calculation parameter using at least a first calculation parameter correction value determined by a first calculation parameter setting unit based on an accumulated film thickness on a reaction vessel, a second calculation parameter correction value determined by a second calculation parameter setting unit based on an accumulated film thickness on a filler wafer, and a third calculation parameter correction value determined by a third calculation parameter setting unit based on the number of filler wafers.Type: ApplicationFiled: October 30, 2009Publication date: May 20, 2010Inventors: Masashi Sugishita, Masaaki Ueno, Tsukasa Iida, Susumu Nishiura, Masao Aoyama, Kenichi Fujimoto, Yoshihiko Nakagawa, Hiroyuki Mitsui
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Patent number: 7700054Abstract: An object of the present invention is to improve substrate processing efficiency. A substrate processing apparatus has a reaction tube that processes a substrate inside, and a heating apparatus disposed so as to surround an external periphery of the reaction tube, so that at least a gas inlet tube is disposed on a side surface in an area in which the substrate is processed inside the reaction tube, and the heating apparatus has a heat insulator that surrounds the reaction tube, an inlet opening formed in the shape of a groove in the heat insulator from the lower end of the heating apparatus so as to avoid the gas inlet tube, and a heating element disposed between the heat insulator and the reaction tube.Type: GrantFiled: November 30, 2007Date of Patent: April 20, 2010Assignee: Hitachi Kokusai Electric Inc.Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Yukinori Aburatani, Tomoyuki Yamada, Seiyo Nakashima, Masashi Sugishita
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Publication number: 20090291566Abstract: A substrate processing apparatus comprises a processing chamber for storing a boat supporting multiple substrates and for processing the multiple substrates, a heater unit installed around the processing chamber for heating the substrates, and a coolant gas supply nozzle including a pipe section extending perpendicular to a main surface of the substrate supported in the boat stored in the processing chamber, and a spray hole formed on the pipe section for spraying coolant gas to at least two of the multiple substrates, wherein the coolant gas supply nozzle is formed so that the cross sectional area of the pipe section in the area where the spray hole is formed is larger than the total opening area of the spray hole.Type: ApplicationFiled: July 19, 2006Publication date: November 26, 2009Inventors: Masaaki Ueno, Akira Hayashida, Masakazu Shimada, Takenori Oka
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Patent number: 7577493Abstract: A temperature regulating method in a thermal processing system includes controlling a heating means by performing integral operation, differential operation and proportional operation by means of a heating control section in a manner a detection temperature by a temperature detecting means becomes a predetermined target temperature, determining a first output control pattern by patterning a first operation amount for the heating control section to control the heating means depending upon a detection temperature detected by a first temperature detecting means, in controlling the heating means controlling the heating means by means of the heating control section depending upon the first output control pattern determined, and determining a second output control pattern by patterning at least a part of a second operation amount for the heating control section to control the heating means depending upon a detection temperature detected by a second temperature detecting means, in controlling the heating means.Type: GrantFiled: November 28, 2005Date of Patent: August 18, 2009Assignee: Hitachi Kokusai Electric Inc.Inventors: Masashi Sugishita, Masaaki Ueno
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Publication number: 20090197352Abstract: A substrate processing method in a processing chamber, has: accommodating a substrate into a processing chamber; and processing the substrate in the processing chamber on the basis of a correlation of a preset temperature of a heating device, a flow rate of fluid supplied by a cooling device and a temperature deviation between the center side of the substrate accommodated in the processing chamber and the outer peripheral side of the substrate while the substrate accommodated in the processing chamber is optically heated from an outer periphery side of the substrate at a corrected preset temperature by the heating device and the fluid is supplied to the outside of the processing chamber at the flow rate based on the correlation concerned to cool the outer peripheral side of the substrate by the cooling device.Type: ApplicationFiled: March 13, 2009Publication date: August 6, 2009Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Masaaki Ueno, Masakazu Shimada, Takeo Hanashima, Haruo Morikawa, Akira Hayashida
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Publication number: 20090187268Abstract: A temperature regulating method in a thermal processing system has heating means for heating an interior of a process chamber to process a substrate, a heating control section for controlling the heating means, and first and second temperature detecting means for detecting a temperature in the process chamber. The first temperature detecting means is arranged in a position closer to the substrate than the second temperature detecting means while the second temperature detecting means is arranged in a position closer to the heating means than the first temperature detecting means.Type: ApplicationFiled: March 18, 2009Publication date: July 23, 2009Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Masashi Sugishita, Masaaki Ueno
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Publication number: 20090107978Abstract: A temperature adjustment method is provided to improve operating efficiency and reduce costs. Control of a heating unit in a thermal processing system including a heating control section is performed based on a first output control pattern obtained by subjecting a detection temperature provided by a first temperature detecting unit to an integral operation, a differential operation, and a proportional operation under a condition of a first set of temperature-setting conditions, a second output control pattern obtained by determining a first heat quantity in a period from the start of an increase in temperature detected by a second temperature detecting unit until the temperature inside the processing chamber reaches a maximum temperature, and using a second heat quantity obtained by subtracting the part of the output provided by the proportional operation from the first heat quantity.Type: ApplicationFiled: March 5, 2007Publication date: April 30, 2009Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Masashi Sugishita, Masaaki Ueno
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Publication number: 20090095422Abstract: Provided are a semiconductor manufacturing apparatus and a substrate processing method that can reduce a temperature difference along the circumference of a substrate and continue substrate processing even when a temperature sensor becomes defective. The semiconductor manufacturing apparatus includes a reaction tube configured to process a wafer, a heater configured to heat the reaction tube, an exhaust pipe, a control unit configured to control a cooling gas exhaust device, the heater, and a pressure sensor that detects a pressure inside the exhaust pipe when cooling gas flows through the exhaust pipe. The control unit previously acquires an average value of second temperature detecting units that detect states of a peripheral part of a wafer, and a measure value of a first temperature detecting unit that detects a state of a center part of the wafer so as to control the heat and the cooling device based on the acquired values.Type: ApplicationFiled: September 5, 2008Publication date: April 16, 2009Inventors: Masashi SUGISHITA, Masaaki Ueno, Akira Hayashida
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Publication number: 20090029486Abstract: A substrate processing apparatus has: a process chamber in which a substrate is processed; a heating device that optically heats the substrate accommodated in the process chamber from an outer periphery side of the substrate; a cooling device that cools the outer periphery side of the substrate by flowing a fluid in a vicinity of an outer periphery of the substrate optically heated by the heating device; a temperature detection portion that detects a temperature inside the process chamber; and a heating control portion that controls the heating device and the cooling device in such a manner so as to provide a temperature difference between a center portion of the substrate and an end portion of the substrate while maintaining a temperature at the center portion at a pre-determined temperature according to the temperature detected by the temperature detection portion.Type: ApplicationFiled: February 21, 2007Publication date: January 29, 2009Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Masaaki Ueno, Masakazu Shimada, Takeo Hanashima, Haruo Morikawa, Akira Hayashida
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Heating apparatus, substrate processing apparatus, and method of manufacturing semiconductor devices
Publication number: 20090016706Abstract: A heating apparatus comprises a wall for surrounding and defining a heating space, a heating element mounted on the inner side of the wall, reflecting members for reflecting the heat emitted from the heating element. Also, a moving unit joined to one end of each of the reflecting members for moving the reflecting members. Moreover, pivotal members joined to the reflecting members beside more their respective other side than one side of the reflecting members for controlling as pivots the movement of the reflecting member driven by the moving unit.Type: ApplicationFiled: June 25, 2008Publication date: January 15, 2009Applicants: Hitachi Kokusai Electric Inc., Teitokusha Co., Ltd.Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Masashi Sugishita, Toshimitsu Miyata, Kimio Kitamura, Kenji Tanaka, Jyunichi Nishihara -
Publication number: 20090014428Abstract: A heating apparatus comprises heating elements arranged of a sheet form and having notches or through holes provided therein, a side wall member made of an electrically conductive material and arranged to surround and define the heating space, and holding members disposed at the heating space side of the side wall member for holding at one end the heating elements. Also, extending members are provided, each member comprising an extending-through portion arranged to project from the heating space side of the side wall member and extend through the notch or through hole between both ends in the heating element and projected portions arranged to project at both, front and back, sides of the heating element from the extending-through portion in a direction, which is orthogonal to the extending direction of the extending-through portion, thus to inhibit the displacement of the heating elements along the extending direction.Type: ApplicationFiled: June 25, 2008Publication date: January 15, 2009Applicants: Hitachi Kokusai Electric Inc., Teitokusha Co., Ltd.Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Kimio Kitamura, Kenji Tanaka, Jyunichi Nishihara
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Publication number: 20090014435Abstract: A heating apparatus comprises a heating element, an inner shell for supporting the heating element, an outer shell disposed along the outer boundary of the inner shell, a cooling medium passage for conveying a cooling medium between the inner shell and the outer shell, a first opening provided in the inner shell, a second opening provided in the outer shell, and a partition arranged to extend from the first opening to the second opening for developing at least a space separated from the cooling medium passage and between the inner shell and the outer shell. The heating apparatus further comprises an insulator for shutting up a gap provided between the partition and the second opening.Type: ApplicationFiled: June 25, 2008Publication date: January 15, 2009Applicants: Hitachi Kokusai Electric Inc., Teitokusha Co., Ltd.Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Masashi Sugishita, Toshimitsu Miyata, Kimio Kitamura, Kenji Tanaka, Jyunichi Nishihara
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Publication number: 20080182345Abstract: A semiconductor manufacturing apparatus and substrate processing method is provided with which the film formed on a substrate can be controlled in thickness and quality.Type: ApplicationFiled: January 23, 2008Publication date: July 31, 2008Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Masashi Sugishita, Masaaki Ueno, Akira Hayashida
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Publication number: 20080153314Abstract: An object of the present invention is to improve substrate processing efficiency. A substrate processing apparatus has a reaction tube that processes a substrate inside, and a heating apparatus disposed so as to surround an external periphery of the reaction tube, so that at least a gas inlet tube is disposed on a side surface in an area in which the substrate is processed inside the reaction tube, and the heating apparatus has a heat insulator that surrounds the reaction tube, an inlet opening formed in the shape of a groove in the heat insulator from the lower end of the heating apparatus so as to avoid the gas inlet tube, and a heating element disposed between the heat insulator and the reaction tube.Type: ApplicationFiled: November 30, 2007Publication date: June 26, 2008Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Yukinori Aburatani, Tomoyuki Yamada, Sieyo Nakashima, Masashi Sugishita
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Patent number: 7346273Abstract: It is an object of the invention to provide a substrate processing equipment that can predict a temperature of a substrate and easily control temperature of the substrate. Formed in a reactor (processing chamber) 3 are four temperature adjustment zones, of which setting and adjustment of temperature can be made by zone heaters 340-1 to 340-4. A temperature controller 4 mixes temperatures detected by inner thermocouples 302-1 to 302-4 and outer thermocouples 342-1 to 342-4 to calculate predicted temperatures of substrates by means of the first-order lag calculation on the basis of time constants of temperatures of substrates heated by the zone heaters 340-1 to 340-4. Also, the temperature controller 4 calculates electric power values (operating variables) for the zone heaters 340-1 to 340-4 with the use of predicted temperatures of substrates to output the same to the zone heaters 340-1 to 340-4.Type: GrantFiled: June 18, 2004Date of Patent: March 18, 2008Assignee: Hitachi Kokusai Electric IncInventors: Kazuo Tanaka, Masaaki Ueno, Masashi Sugishita