Patents Assigned to ULVAC, Inc.
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Publication number: 20240069519Abstract: An information processing device of the present invention includes a first acquisition unit, a second acquisition unit, and a machine learning processing unit. The first acquisition unit acquires total event status information. The second acquisition unit acquires time-series detection result information. The machine learning processing unit performs one or both of learning processing and determination processing. In the learning processing, a learning model is generated by performing machine learning with the time-series detection result information acquired by the second acquisition unit as an input for each piece of the total event status information acquired by the first acquisition unit. In the determination processing, a determination is performed on the generated learning model by inputting the time-series detection result information acquired by the second acquisition unit for each piece of the total event status information acquired by the first acquisition unit.Type: ApplicationFiled: August 24, 2023Publication date: February 29, 2024Applicant: ULVAC, Inc.Inventor: Yoshinori FUJII
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Publication number: 20240055239Abstract: In a method in which inside a vacuum chamber, a silicon target and a to-be-deposited object are disposed in a positional relationship to face each other; a sputtering gas, containing therein nitrogen gas, is introduced into the vacuum chamber which is in a vacuum atmosphere; a negative potential is applied to the silicon target such that a silicon nitride film having a tensile stress is deposited in a reactive sputtering on a surface of the to-be-deposited object that is placed in an electrically floated state. The method includes steps: in which the to-be-deposited object is made to a state in which a bias potential is free from being applied thereto; and at least one of a flow ratio of the nitrogen gas to the sputtering gas, and the potential to be applied to the silicon target is controlled such that the surface of the silicon target can be maintained in a transition mode.Type: ApplicationFiled: September 27, 2022Publication date: February 15, 2024Applicant: ULVAC, INC.Inventors: Yuta Ando, Akira Igari, Naoki Morimoto
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Patent number: 11901162Abstract: A vacuum processing apparatus of the present invention is a vacuum processing apparatus which performs plasma processing. The vacuum processing apparatus includes an electrode flange, a shower plate, an insulating shield, a processing chamber in which a processing-target substrate is to be disposed, an electrode frame, and a slide plate. The electrode frame and the slide plate are slidable in response to thermal deformation that occurs when a temperature of the shower plate is raised or lowered. The shower plate is supported by the electrode frame using a support member penetrating through an elongated hole. The elongated hole is formed so that the support member is relatively movable in the elongated hole in response to thermal deformation that occurs when a temperature of the shower plate is raised or lowered.Type: GrantFiled: December 27, 2019Date of Patent: February 13, 2024Assignee: ULVAC, INC.Inventors: Takehisa Miyaya, Yosuke Jimbo, Yoshiaki Yamamoto, Kenji Eto, Yoichi Abe
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Patent number: 11891685Abstract: The vacuum processing apparatus for performing predetermined vacuum processing on a processing surface of a to-be-processed substrate is made up of: a vacuum chamber having disposed therein a to-be-processed substrate and having formed, on an upper wall of the vacuum chamber, a mounting opening facing the processing surface where a direction in which the processing surface looks is defined as an upper side; a processing unit for performing therein vacuum processing; and a communication pipe having a predetermined length and being interposed between the vacuum chamber and the processing unit such that predetermined processing is performed, through the communication pipe, on the to-be-processed substrate inside the vacuum chamber. The processing unit has an engaging means to which is coupled a swing arm for swinging about a rotary shaft extending perpendicularly to a vertical direction for selectively engaging the vacuum chamber and the communication pipe or the processing unit and the communication pipe.Type: GrantFiled: March 11, 2020Date of Patent: February 6, 2024Assignee: ULVAC, INC.Inventors: Yukihito Tashiro, Shigeru Sugiyama
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Patent number: 11869791Abstract: The present invention provides a technology capable of inhibiting, in a vacuum processing apparatus that conveys a plurality of substrate holders along a conveying path formed to have a projected shape on a vertical surface, the projected shape being a continuous ring shape, dust from being generated during conveyance of a substrate holder. The present invention includes, in a vacuum chamber 2, an anti-sag member 35 assembled to a first drive unit 36 provided on an outer side with respect to a conveying direction of the conveying path, the vacuum chamber 2 including a conveying path formed to have a projected shape on the vertical surface, the projected shape being a continuous ring shape, a single vacuum atmosphere being formed in the vacuum chamber 2.Type: GrantFiled: September 2, 2019Date of Patent: January 9, 2024Assignee: Ulvac, Inc.Inventors: Dai Takagi, Yuu Mizushima, Toshiyuki Koizumi
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Publication number: 20230420220Abstract: A plasma processing apparatus according to the invention includes a chamber, an inner electrode, an outer electrode, a plasma generating power source, and a gas introduction part. The plasma generating power source applies alternating-current power to the outer electrode. The outer electrode includes a first electrode, a second electrode, and a third electrode. The plasma generating power source includes a first high-frequency power source, a second high-frequency power source, and a power splitter. The first high-frequency power source applies alternating-current power having a first frequency ?1 to the first electrode and the second electrode. The second high-frequency power source applies alternating-current power having a second frequency ?2 to the third electrode. A relationship of ?1>?2 is satisfied. The power splitter is configured to split the alternating-current power into the first electrode and the second electrode with a predetermined split ratio.Type: ApplicationFiled: June 22, 2023Publication date: December 28, 2023Applicant: ULVAC, Inc.Inventors: Taichi SUZUKI, Yasuhiro MORIKAWA, Kenta DOI, Toshiyuki NAKAMURA
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Patent number: 11842887Abstract: A film formation apparatus of the present invention is a film formation apparatus which performs deposition on a substrate to be processed, and includes a supply device that is disposed in an evacuable vacuum chamber and supplies a deposition material, and a holding device that holds the substrate to be processed during deposition. The holding device includes a deposition preventing plate that covers a region to which the deposition material is adhered in the holding device, a holder that holds the substrate to be processed, and a position setter that sets a position of the substrate to be processed when the deposition preventing plate and the holder sandwich and hold the substrate to be processed. The position setter includes a roller that comes into contact with a peripheral edge end surface portion of the substrate to be processed.Type: GrantFiled: June 28, 2018Date of Patent: December 12, 2023Assignee: ULVAC, INC.Inventors: Toshinori Kaneko, Tetsuhiro Ohno
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Publication number: 20230357919Abstract: There is provided an evaporation source adapted for use in a vapor deposition apparatus in which by heating, in an induction heating method, a crucible filled with a vapor deposition material, the entire crucible including a cap body attains a top-heat state. An evaporation source is provided with: a crucible filled with the vapor deposition material; a cap body to close an upper surface opening of the crucible; and an induction heating coil disposed around the crucible and the cap body. Further, the cap body is provided with a discharge part which allows the passage of the vapor deposition material evaporated or sublimated by heating. The cap body is provided on an external surface thereof with projections each having a corner part.Type: ApplicationFiled: December 21, 2021Publication date: November 9, 2023Applicant: ULVAC, INC.Inventors: Masashi Umehara, Hironori Wakamatsu, Toshimitsu Nakamura, Fumitsugu Yanagihori
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Publication number: 20230279536Abstract: A vapor deposition source for a vacuum vapor deposition apparatus according to the present invention disposed in a vacuum chamber to evaporate a solid vapor deposition material to be vapor-deposited on an object to be subjected to vapor deposition includes: a crucible configured to accommodate the vapor deposition material therein and having a discharge port through which the evaporated vapor deposition material is discharged toward the object to be subjected to vapor deposition; and a heating means configured to heat the vapor deposition material in the crucible. In the crucible, an evaporation facilitator is provided, a partial portion of the evaporation facilitator being immersed in the vapor deposition material liquefied by heating, with a gap between the remaining portion of the evaporation facilitator and an inner surface of the crucible.Type: ApplicationFiled: December 7, 2021Publication date: September 7, 2023Applicant: ULVAC, INC.Inventors: Toshimitsu Nakamura, Jungo Onoda
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Patent number: 11732965Abstract: A freeze-drying device includes a controller configured to control depressurization of containers filled with a liquid including a raw material and a medium to freeze the liquid from a liquid surface. The freeze-drying device also includes a gas capture pump configured to exhaust a freeze-drying chamber accommodating the containers, and a positive-displacement pump configured to discharge gas from a space accommodating the gas capture pump. The controller executes an exhaust mitigation process that performs the depressurization at an exhaust capability that is less than a rated exhaust capability of the freeze-drying device. The controller uses a partial pressure value of the medium to determine when the exhaust mitigation process ends. The controller maintains an exhaust speed of the gas capture pump and decreases an exhaust speed of the positive-displacement pump in the exhaust mitigation process.Type: GrantFiled: September 27, 2022Date of Patent: August 22, 2023Assignee: ULVAC, INC.Inventors: Tsuyoshi Yoshimoto, Yoichi Ohinata, Tomomitsu Ozeki
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Publication number: 20230207295Abstract: A cathode unit includes first and second magnet units that are driven to rotate around an axis on a side opposed to a sputtering surface of a target. The first magnet unit is configured to cause a first leakage magnetic field to act on a space in front of the sputtering surface including a target center inward. The second magnet unit is configured to cause a second leakage magnetic field to act locally in the space in front of the sputtered surface located between the target center and the outer edge of the target and to enable self-holding discharge under low pressure of plasma confined by the second leakage magnetic field.Type: ApplicationFiled: March 18, 2022Publication date: June 29, 2023Applicant: ULVAC, INC.Inventors: Toshiya Aoyagi, Makoto Arai, Satoru Takasawa
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Patent number: 11674217Abstract: A method of the invention which manufactures a substrate with a transparent conductive film, includes: preparing a base body that has a top surface and a back surface and has an a-Si film coating at least one of the top surface and the back surface; and setting temperatures of the base body and the a-Si film to be in the range of 70 to 220° C. in a film formation space having a processing gas containing hydrogen, applying a sputtering voltage to a target, carrying out DC sputtering, and thereby forming the a-Si film on a transparent conductive film.Type: GrantFiled: March 23, 2017Date of Patent: June 13, 2023Assignee: ULVAC, INC.Inventors: Junsuke Matsuzaki, Hirohisa Takahashi
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Patent number: 11665809Abstract: A high-frequency power circuit includes a first antenna circuit and a second antenna circuit that are connected in parallel to a matching box connected to a high-frequency power supply. The first antenna circuit include a first antenna, a first distribution capacitor, and a first variable capacitor. The second antenna circuit includes a second antenna, a second distribution capacitor, and a second variable capacitor. A controller sets a capacitance of the first variable capacitor based on a detection result of a phase difference between current and voltage in a series-connected portion of the first antenna and the first variable capacitor during plasma production to reduce this phase difference and sets a capacitance of the second variable capacitor based on a detection result of a phase difference between current and voltage in a series-connected portion of the second antenna and the second variable capacitor during plasma production to reduce this phase difference.Type: GrantFiled: August 24, 2021Date of Patent: May 30, 2023Assignee: ULVAC, INC.Inventors: Kenta Doi, Toshiyuki Nakamura
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Patent number: 11646199Abstract: Embodiments of the present invention are directed to forming a sub-stoichiometric metal-oxide film using a modified atomic layer deposition (ALD) process. In a non-limiting embodiment of the invention, a first precursor and a second precursor are selected. The first precursor can include a metal and a first ligand. The second precursor can include the same metal and a second ligand. A substrate can be exposed to the first precursor during a first pulse of an ALD cycle. The substrate can be exposed to the second precursor during a second pulse of the ALD cycle. The second pulse can occur directly after the first pulse without an intervening thermal oxidant. The substrate can be exposed to the thermal oxidant during a third pulse of the ALD cycle.Type: GrantFiled: May 18, 2021Date of Patent: May 9, 2023Assignees: International Business Machines Corporation, ULVAC. Inc.Inventors: John Rozen, Martin Michael Frank, Yohei Ogawa
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Publication number: 20230138552Abstract: A cathode unit for a magnetron sputtering apparatus includes a backing plate joined to an upper side opposed to a sputtering surface of a target set in a posture facing an inside of a vacuum chamber and a magnet unit disposed above the backing plate at an interval, a refrigerant passage through which a refrigerant can flow being formed in the backing plate, in which a surface pressure applying unit is provided, the surface pressure applying unit applying, toward an upper outer surface of the backing plate from above the backing plate, a surface pressure equivalent to pressure applied to an upper inner surface of the backing plate when the refrigerant is circulated.Type: ApplicationFiled: August 19, 2022Publication date: May 4, 2023Applicant: ULVAC, INC.Inventors: Koji Suzuki, Hideto Nagashima, Katsuya Hara, Hideki Mataga
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Patent number: 11629400Abstract: A sputtering target according to an embodiment of the present invention includes: a plate-shaped target body formed of a metal material. The target body includes a target portion and a base portion. The target portion has a sputtering surface. The base portion has a cooling surface and includes a gradient strength layer, the cooling surface being positioned on a side opposite to the sputtering surface and having hardness higher than that of the sputtering surface, the gradient strength layer having tensile strength that gradually decreases from the cooling surface toward the target portion.Type: GrantFiled: May 16, 2019Date of Patent: April 18, 2023Assignee: ULVAC, INC.Inventors: Akira Nakamura, Hisashi Iwashige, Seiya Nishi, Hideto Nagashima, Koji Suzuki
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Patent number: 11628565Abstract: A substrate transport device includes an arm, an end effector coupled to the arm, a driver configured to lift the arm so that the end effector receives a substrate, and a controller configured to control an output of the driver to change a lifting speed of the arm. While lifting the arm at a first speed to lift the end effector toward the substrate, the controller changes the lifting speed to a second speed that is lower than the first speed when the end effector starts to raise a height position of the substrate.Type: GrantFiled: September 29, 2020Date of Patent: April 18, 2023Assignee: ULVAC, Inc.Inventors: Kazuhiro Musha, Hirofumi Minami, Takayuki Suzuki
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Patent number: 11559889Abstract: A substrate transport device includes an arm, an end effector coupled to the arm, a driver configured to lift the arm so that the end effector receives a substrate, and a controller configured to control an output of the driver to set a lifting speed of the arm. A difference in height between the end effector and the arm is a position difference. A period from when the end effector contacts the substrate until the end effector completes reception of the substrate is a transition period. The controller sets an upper limit value of the lifting speed that decreases an amplitude of one of acceleration or jerk of the position difference in the transition period as compared to before the transition period to an upper limit value of the lifting speed for the transition period.Type: GrantFiled: October 12, 2020Date of Patent: January 24, 2023Assignee: Ulvac, Inc.Inventors: Kazuhiro Musha, Hirofumi Minami, Takayuki Suzuki
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Publication number: 20230018222Abstract: A freeze-drying device includes a controller configured to control depressurization of containers filled with a liquid including a raw material and a medium to freeze the liquid from a liquid surface. The freeze-drying device also includes a gas capture pump configured to exhaust a freeze-drying chamber accommodating the containers, and a positive-displacement pump configured to discharge gas from a space accommodating the gas capture pump. The controller executes an exhaust mitigation process that performs the depressurization at an exhaust capability that is less than a rated exhaust capability of the freeze-drying device. The controller uses a partial pressure value of the medium to determine when the exhaust mitigation process ends. The controller maintains an exhaust speed of the gas capture pump and decreases an exhaust speed of the positive-displacement pump in the exhaust mitigation process.Type: ApplicationFiled: September 27, 2022Publication date: January 19, 2023Applicant: ULVAC, INC.Inventors: Tsuyoshi Yoshimoto, Yoichi Ohinata, Tomomitsu Ozeki
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Patent number: 11549173Abstract: Provided is a sputtering apparatus which is capable of suppressing a local temperature rise at an outer peripheral part of a to-be-processed substrate. The sputtering apparatus SM has: a vacuum chamber in which a target and the to-be-processed substrate Sw are disposed face-to-face with each other; a shield plate for enclosing a film forming space between the target and the to-be-processed substrate; and a cooling unit for cooling the shield plate. The shield plate has a first shield plate part which is disposed around the to-be-processed substrate and which has a first opening equivalent in contour to the to-be-processed substrate. The cooling unit includes a first coolant passage which is disposed in the first shield plate part and which has a passage portion extending all the way to the first shield plate part positioned around the first opening.Type: GrantFiled: October 18, 2021Date of Patent: January 10, 2023Assignee: ULVAC, INC.Inventors: Koji Suzuki, Hideto Nagashima, Yukihito Tashiro