Patents Examined by Jason Berman
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Patent number: 11961722Abstract: A method and apparatus are for controlling stress variation in a material layer formed via pulsed DC physical vapour deposition. The method includes the steps of providing a chamber having a target from which the material layer is formed and a substrate upon which the material layer is formable, and subsequently introducing a gas within the chamber. The method further includes generating a plasma within the chamber and applying a first magnetic field proximate the target to substantially localise the plasma adjacent the target. An RF bias is applied to the substrate to attract gas ions from the plasma toward the substrate and a second magnetic field is applied proximate the substrate to steer gas ions from the plasma to selective regions upon the material layer formed on the substrate.Type: GrantFiled: December 4, 2022Date of Patent: April 16, 2024Assignee: SPTS TECHNOLOGIES LIMITEDInventors: Anthony Wilby, Steve Burgess, Ian Moncrieff, Clive Widdicks, Scott Haymore, Rhonda Hyndman
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Patent number: 11955367Abstract: A film deposition apparatus reduces hillock formation while yielding uniform film thickness distribution. A film deposition apparatus of a present embodiment includes: a chamber; a rotary table that circulates and carries a workpiece W along a circumferential transfer path L; multiple targets that contain a film deposition material, and that are provided in positions at different radial distances from a center of rotation of the rotary table; a shield member that forms a film deposition chamber surrounding a region where the film deposition material scatters, and that has an opening on the side facing the circulated and carried workpiece; and a plasma generator that includes a sputter gas introduction unit for introducing a sputter gas into the film deposition chamber, and a power supply unit for applying power to the target, and that generates plasma in the sputter gas G1 in the film deposition chamber.Type: GrantFiled: September 14, 2021Date of Patent: April 9, 2024Assignee: SHIBAURA MECHATRONICS CORPORATIONInventors: Shohei Tanabe, Koji Yoshimura, Ryo Matsuhashi
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Patent number: 11946132Abstract: In one embodiment, a physical vapor deposition device includes a phase change material sputtering target includes a primary matrix and at least one additional phase. The primary matrix includes at least one element from Group VI of the periodic table excluding oxygen and one or more elements from Group IV or Group V of the periodic table. The additional phase is substantially homogenously dispersed in the primary matrix.Type: GrantFiled: December 7, 2020Date of Patent: April 2, 2024Assignee: Honeywell International Inc.Inventor: Michael R. Pinter
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Patent number: 11939663Abstract: Provided is a sputtering target, the sputtering target containing 0.05 at % or more of Bi and having a total content of metal oxides of from 10 vol % to 60 vol %, the balance containing at least Co and Pt.Type: GrantFiled: March 2, 2023Date of Patent: March 26, 2024Assignee: JX Metals CorporationInventors: Manami Masuda, Masayoshi Shimizu, Yasuyuki Iwabuchi
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Patent number: 11942311Abstract: In order to improve the etching depth and/or the etching homogeneity at a substrate, a plasma source with one or more single electrodes or one or more magnets is proposed. The magnet generates a magnetic field in the vicinity of the electrodes, which may be rear-side or front-side.Type: GrantFiled: December 5, 2019Date of Patent: March 26, 2024Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKONInventor: Jörg Vetter
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Patent number: 11932950Abstract: A method includes machining a raw surface of a metal component to remove first native oxide from a metal base of the metal component to generate an as-machined surface of the metal component. A second native oxide is formed on the metal base of the as-machined surface of the metal component subsequent to the machining. The method further includes, subsequent to the machining, performing operations to generate a finished surface of the metal component. The operations include a surface machining of the as-machined surface of the metal component to remove the second native oxide.Type: GrantFiled: January 13, 2023Date of Patent: March 19, 2024Assignee: Applied Materials, Inc.Inventors: Yuanhong Guo, Sheng Michael Guo, Marek W. Radko, Steven Victor Sansoni, Nagendra Madiwal, Matvey Farber, Pingping Gou, Song-Moon Suh, Jeffrey C. Hudgens, Yuji Murayama, Anurag Bansal, Shaofeng Chen, Michael Kuchar
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Patent number: 11932932Abstract: A magnetron sputtering system includes a substrate mounted within a vacuum chamber. A plurality of cathode assemblies includes a first set of cathode assemblies and a second set of cathode assemblies, and is configured for reactive sputtering. Each cathode assembly includes a target comprising sputterable material and has an at least partially exposed planar sputtering surface. A target support is configured to support the target in the vacuum chamber and rotate the target relative to the vacuum chamber about a target axis. A magnetic field source includes a magnet array. A cathode assemblies controller assembly is operative to actuate the first set of cathode assemblies without actuating the second set of cathode assemblies, and to actuate the second set of cathode assemblies without actuating the first set of cathode assemblies.Type: GrantFiled: October 24, 2022Date of Patent: March 19, 2024Assignee: Alluxa, Inc.Inventors: Michael A. Scobey, Shaun Frank McCaffery
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Patent number: 11935773Abstract: Apparatus and methods for calibrating a height-adjustable edge ring are described herein. In one example, a calibration jig for positioning an edge ring relative to a reference surface is provided that includes a transparent plate, a plurality of sensors coupled to a first side of the transparent plate, and a plurality of contact pads coupled to an opposing second side of the transparent plate.Type: GrantFiled: May 9, 2019Date of Patent: March 19, 2024Assignee: Applied Materials, Inc.Inventors: Andrew Myles, Denis M. Koosau, Peter Muraoka, Phillip A. Criminale
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Patent number: 11920238Abstract: A method of making a sealing article that includes a body and a coating layer disposed on at least one surface of the body. The body comprises a polymeric elastomer such as perfluoroelastomer or fluoroelastomer. The coating layer comprises at least one metal. The sealing article may be a seal, a gasket, an O-ring, a T-ring or any other suitable product. The sealing article is resistant to ultra-violet (UV) light and plasma, and may be used for sealing a semiconductor processing chamber.Type: GrantFiled: July 22, 2022Date of Patent: March 5, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Peng-Cheng Hong, Jun-Liang Pu, W. L. Hsu, Chung-Hao Kao, Chia-Chun Hung, Cheng-Yi Wu, Chin-Szu Lee
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Patent number: 11908700Abstract: In some embodiments of the present disclosure, a method of manufacturing a semiconductor structure includes the following operations. A substrate including a first atom and a second atom is provided. An etchant is dispatched from an ionizer. A compound is formed over the substrate by bonding the first atom with the etchant. A particle is released from an implanter. The compound is removed by bombarding the compound with the particle having an energy smaller than a bonding energy between the first atom and the second atom, wherein the particle is different from the etchant.Type: GrantFiled: July 29, 2022Date of Patent: February 20, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Nai-Han Cheng, Chi-Ming Yang
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Patent number: 11897811Abstract: A processing system for forming an optical coating on a substrate is provided, wherein the optical coating including an anti-reflective coating and an oleophobic coating, the system comprising: a linear transport processing section configured for processing and transporting substrate carriers individually and one at a time in a linear direction; at least one evaporation processing system positioned in the linear transport processing system, the evaporation processing system configured to form the oleophobic coating; a batch processing section configured to transport substrate carriers in unison about an axis; at least one ion beam assisted deposition processing chamber positioned in the batch processing section, the ion beam assisted deposition processing chamber configured to deposit layer of the anti-reflective coating; a plurality of substrate carriers for mounting substrates; and, means for transferring the substrate carriers between the linear transport processing section and the batch processing sectionType: GrantFiled: January 31, 2022Date of Patent: February 13, 2024Assignee: INTEVAC, INC.Inventors: Terry Bluck, Wendell Thomas Blonigan
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Patent number: 11903116Abstract: A filter (104a, 104b, 108) for a cathode arc source comprises: a filter duct having at least one bend (104a, 104b), and a first magnetic field source for steering plasma through the filter duct for removal of macroparticles from the plasma; wherein the apparatus comprises a second magnetic field source (108) which is rotatably mounted surrounding a portion of the filter duct. Cathode arc sources (102) and cathode arc deposition apparatuses (106) comprise the filters described herein, and methods of filtering macroparticles from a beam of plasma emitted from a cathode arc source use the filters.Type: GrantFiled: June 18, 2021Date of Patent: February 13, 2024Assignee: Nanofilm Technologies International LimitedInventors: Xu Shi, Ming Chu Yang, Kok How Tan
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Patent number: 11894222Abstract: A film forming apparatus for forming a film on a substrate by using a magnetron sputtering method. The film forming apparatus includes: a substrate holder configured to hold a substrate; a target holder configured to hold a target made of a ferromagnetic material to face the substrate holder; a magnet provided on a surface of the target holder opposite to the substrate holder, and configured to leak a magnetic field to a front surface of the target held by the target holder that is a surface close to the substrate holder; and a magnetic field strength measurement device configured to measure a strength of the magnetic field.Type: GrantFiled: June 22, 2021Date of Patent: February 6, 2024Assignee: TOKYO ELECTRON LIMITEDInventors: Atsushi Takeuchi, Toru Kitada, Kanto Nakamura, Atsushi Gomi
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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: 11887826Abstract: A semiconductor manufacturing apparatus according to an embodiment includes a stage, a backing plate and an earth shield. The stage is configured to hold a substrate that a film is to be deposited on. The backing plate faces the stage and is configured such that a target containing a film deposition material is to be joined. The earth shield has an opening configured to enclose the target, and a plurality of through holes provided over a whole circumference of a circumferential part of the opening.Type: GrantFiled: June 16, 2021Date of Patent: January 30, 2024Assignee: Kioxia CorporationInventors: Takashi Izumi, Akitsugu Hatazaki
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Patent number: 11875969Abstract: A processing system comprises a chamber body, a substrate support and a lid assembly. The substrate support is located in the chamber body and comprises a first electrode. The lid assembly is positioned over the chamber body and defines a processing volume. The lid assembly comprises a faceplate, a second electrode positioned between the faceplate and the chamber body, and an insulating member positioned between the second electrode and the processing volume. A power supply system is coupled to the first electrode and the faceplate and is configured to generate a plasma in the processing volume.Type: GrantFiled: April 23, 2020Date of Patent: January 16, 2024Assignee: Applied Materials, Inc.Inventors: Fei Wu, Abdul Aziz Khaja, Sungwon Ha, Vinay K. Prabhakar, Ganesh Balasubramanian
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Patent number: 11851750Abstract: An apparatus for performing a sputtering process on a substrate is provided. The apparatus includes a processing chamber having a substrate support on which the substrate is placed, a target for emitting target particles to be adhered to the substrate by plasma formed in the processing chamber, a magnet, provided on a rear surface of the target, for adjusting a state of the plasma on the surface of the target, and a magnet moving mechanism for repeatedly moving the magnet between a position on one side and a position on the other side set across a center portion on the rear surface of the target. The apparatus further includes a collimator having two regulating plates for limiting an incident angle of the target particles to the substrate, and an arrangement position adjustment mechanism adjusting positions of the two regulating plates according to the movement of the magnet.Type: GrantFiled: July 23, 2021Date of Patent: December 26, 2023Assignee: Tokyo Electron LimitedInventors: Masato Shinada, Einstein Noel Abarra, Hiroyuki Toshima, Shota Ishibashi
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Patent number: 11842890Abstract: Methods and apparatus for reducing burn-in time of a physical vapor deposition shield, including: sputtering a dielectric target having a first dielectric constant to form a dielectric layer upon an inner surface of a shield, wherein the shield includes an aluminum oxide coating having a second dielectric constant in an amount sufficient to reduce the burn-in time, and wherein the first dielectric constant and second dielectric constant are substantially similar.Type: GrantFiled: August 16, 2020Date of Patent: December 12, 2023Assignee: APPLIED MATERIALS, INC.Inventors: Jothilingam Ramalingam, William Fruchterman
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Patent number: 11830710Abstract: Apparatus and methods for forming and using internally divisible physical vapor deposition (PVD) process chambers using shutter disks are provided herein. In some embodiments, an internally divisible process chamber may include an upper chamber portion having a conical shield, a conical adaptor, a cover ring, and a target, a lower chamber portion having a substrate support having inner and outer deposition rings, and wherein the substrate support is vertically movable, and a shutter disk assembly configured to internally divide the process chamber and create a separate sealed deposition cavity and a separate sealed oxidation cavity, wherein the shutter disk assembly includes one or more seals disposed along its outer edges and configured to contact at least one of the conical shield, the conical adaptor, or the deposition rings to form the separate sealed deposition and oxidation cavities.Type: GrantFiled: June 24, 2022Date of Patent: November 28, 2023Assignee: APPLIED MATERIALS, INC.Inventors: John Joseph Mazzocco, Anantha K. Subramani, Yang Guo
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Patent number: 11827972Abstract: An object of the present invention is to provide an IGZO sputtering target capable of improving uniformity for at least one property selected from the number of microcracks in the structure, the number of pores in the sintered body structure, and surface roughness. The IGZO sputtering target according to the present invention has an oxide sintered body, the oxide sintered body comprising indium (In), gallium (Ga), zinc (Zn) and unavoidable impurities, wherein, on a surface of the oxide sintered body, a lightness difference ?L* satisfies ?L*<3.0, in which the ?L* is obtained by subtracting lightness Lc*at a central portion on the surface from lightness Le* at a position of 10 mm from an end portion to the central portion side on the surface, and wherein the oxide sintered body has a relative density of 97.0% or more.Type: GrantFiled: December 28, 2021Date of Patent: November 28, 2023Assignee: JX Metals CorporationInventors: Yuhei Kuwana, Kozo Osada, Jun Kajiyama, Kazutaka Murai