Patents Assigned to Anelva Corporation
  • Patent number: 9082803
    Abstract: A mask alignment method for a substrate holding apparatus. A first engaging portion is formed in one of a substrate holder and a mask and has two protruding portions. A second engaging portion is formed in the other one of the substrate holder and the mask and has at least one protruding portion. First groove portions formed in the other one of the substrate holder and the mask engage with the protruding portions of the first engaging portion. A second groove portion formed in the other one of the substrate holder and the mask engages with the protruding portion of the second engaging portion.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: July 14, 2015
    Assignee: CANON ANELVA CORPORATION
    Inventors: Yoshimitu Shimane, Nobuo Yamaguchi
  • Patent number: 9058962
    Abstract: A magnet unit has a first magnet element and a second magnet element. The first magnet element includes a first magnet which is provided to stand upright on a yoke plate, a second magnet which is provided to stand upright on the yoke plate and has a magnetic pole unlike the first magnet, and a third magnet which is provided with a tilt between the first magnet and the second magnet. The second magnet element includes a fourth magnet which is provided to stand upright on the yoke plate, a fifth magnet which is arranged to stand upright on the yoke plate and has a magnetic pole unlike the fourth magnet, and a sixth magnet which is provided with a tilt between the fourth magnet and the fifth magnet. The first magnet element and the second magnet element are alternately arranged in an endless shape.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: June 16, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Tetsuya Endo, Einstein Noel Abarra
  • Patent number: 9054142
    Abstract: A control device of a transfer module and a process module in a vacuum processing apparatus collects state data from the modules. The control device has a state data set including data on the entire module, updates its own state data in the set of its own state data acquired at acquisition timing and transmits it to a data collection device at transmission timing. A plurality of control devices is connected in a loop or in a chain to the data collection device; a data transmission interval is shorter than a data collection interval, and entire transmission synchronization is set to be less than twice an interval of acquisition timing.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: June 9, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Yugui Zhen, Kiyohisa Katsumata, Toshiaki Sumitani, Yoshinori Azuma
  • Patent number: 9053926
    Abstract: Embodiments include methods of forming dielectric layers. According to an exemplary embodiment, a dielectric layer may be formed by determining a desired thickness of the dielectric layer, forming a first dielectric sub-layer having a thickness less than the desired thickness by depositing a first metal layer above a substrate and oxidizing the first metal layer, and forming n (where n is greater than 1) additional dielectric sub-layers having a thickness less than the desired thickness above the first dielectric sub-layer by the same method of the first dielectric sub-layer so that a combined thickness of all dielectric sub-layers is approximately equal to the desired thickness.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: June 9, 2015
    Assignees: International Business Machines Corporation, Canon Anelva Corporation
    Inventors: Paul Jamison, Juntao Li, Vamsi Paruchuri, Tuan A. Vo, Takaaki Tsunoda, Sanjay Shinde
  • Patent number: 9039873
    Abstract: The present invention provides a manufacturing apparatus which can realize so-called sequential substrate transfer and can improve throughput, even when one multi-layered thin film includes plural layers of the same film type. A manufacturing apparatus according to an embodiment of the present invention includes a transfer chamber, three sputtering deposition chambers each including one sputtering cathode, two sputtering deposition chambers each including two or more sputtering cathodes, and a process chamber for performing a process other than sputtering, and the three sputtering deposition chambers, the two sputtering deposition chambers, and the process chamber are arranged around the transfer chamber so that each is able to perform delivery and receipt of the substrate with the transfer chamber.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: May 26, 2015
    Assignee: CANON ANELVA CORPORATION
    Inventor: Koji Tsunekawa
  • Patent number: 9034152
    Abstract: A reactive sputtering apparatus includes a chamber, a substrate holder provided in the chamber, a target holder which is provided in the chamber and configured to hold a target, a deposition shield plate which is provided in the chamber so as to form a sputtering space between the target holder and the substrate holder, and prevents a sputter particle from adhering to an inner wall of the chamber, a reactive gas introduction pipe configured to introduce a reactive gas into the sputtering space, an inert gas introduction port which introduces an inert gas into a space that falls outside the sputtering space and within the chamber, and a shielding member which prevents a sputter particle from the target mounted on the target holder from adhering to an introduction port of the reactive gas introduction pipe upon sputtering.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: May 19, 2015
    Assignee: CANON ANELVA CORPORATION
    Inventors: Nobuo Yamaguchi, Kazuaki Matsuo, Susumu Akiyama, Satoshi Uchino, Yoshimitsu Shimane
  • Patent number: 9017535
    Abstract: Provided is a high-quality magnetoresistive thin film by using a method of controlling self bias of a high-frequency sputtering device. In order to control the self bias for the substrate by adjusting a substrate potential, the high-frequency sputtering device according to the present invention includes: a chamber; evacuation means for evacuating the inside of the chamber; gas introduction means for supplying a gas into the chamber; a substrate holder provided with a substrate mounting table; rotation drive means capable of rotating the substrate holder; a sputtering cathode provided with a target mounting table and arranged such that the surface of the target mounting table is non-parallel to the surface of the substrate mounting table; an electrode disposed inside the substrate holder; and a variable impedance mechanism electrically connected to the electrode, for adjusting the substrate potential on the substrate holder.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: April 28, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Yoshinori Nagamine, Kanto Nakamura, Koji Tsunekawa
  • Patent number: 8999121
    Abstract: The present invention provides a sputtering apparatus and a film-forming method capable of forming a magnetic film having a reduced variation in the orientation of the magnetic anisotropy. The sputtering apparatus of the present invention is equipped with a rotatable cathode and a rotatable stage. The stage can have an electrostatic chuck. Moreover, the stage may electrically be connected with a bias power source capable of applying a bias voltage to the stage. Furthermore, the stage may have the electrostatic chuck and electrically be connected with the bias power source.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: April 7, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Kyosuke Sugi, Tetsuya Endo, Einstein Noel Abarra
  • Patent number: 8992743
    Abstract: This invention provides a sputtering method which can generate an electric discharge under practical conditions and maintain the pressure in a plasma space uniform, and a sputtering apparatus used for the same. The sputtering method includes a first gas introduction step (step S403) of introducing a process gas from a first gas introduction port formed in a sputtering space defined by a deposition shield plate, a substrate holder, and the target which are disposed in a process chamber, a voltage application step (step S407) of applying a voltage to the target after the first gas introduction step, and a second gas introduction step (step S405) of introducing a process gas from a second gas introduction port formed outside the sputtering space.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: March 31, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Nobuo Yamaguchi, Kazuaki Matsuo
  • Publication number: 20150083586
    Abstract: A deposition apparatus comprises a source unit having a function of generating a plasma by an arc discharge; and a filter unit configured to transport the plasma generated by the source unit toward a material to be deposited, wherein the filter unit includes a duct configured to transport the plasma, a magnetic field formation unit configured to form, in the duct, a magnetic field for transporting the plasma, and a magnetic field bending unit configured to generate a magnetic force for bending the magnetic field formed by the magnetic field formation unit.
    Type: Application
    Filed: September 12, 2014
    Publication date: March 26, 2015
    Applicant: CANON ANELVA CORPORATION
    Inventors: Teruaki ONO, Masahiro SHIBAMOTO
  • Patent number: 8989889
    Abstract: The present invention provides an identification information setting device and an identification information setting method that can easily set identification information for a transfer chamber. In an embodiment of the present invention, a storage portion (31) stores field identification information that is previously set for each position where a transfer chamber having a transfer robot can be arranged. A reception portion (32) receives, as specification information, information on the position where the transfer chamber is actually arranged and the transfer chamber. The storage portion (31) stores correspondence between the actually arranged transfer chamber and identification information.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: March 24, 2015
    Assignee: Canon Anelva Corporation
    Inventor: Hirohito Kobayashi
  • Patent number: 8986522
    Abstract: A wafer holder including a wafer stage and a wafer stage outer-ring surrounding the wafer stage wherein the wafer stage has a diameter smaller than the diameter of a wafer loaded on the wafer stage, the wafer stage outer-ring has an inner diameter at the upper side of the outer-ring which is larger than the diameter of the wafer loaded on the wafer stage, and the upper surface of the outer-ring lies above the upper surface of the wafer loaded on the wafer stage.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: March 24, 2015
    Assignee: Canon Anelva Corporation
    Inventor: Sunil Wickramanayaka
  • Patent number: 8974648
    Abstract: The present invention provides a reactive sputtering method and a reactive sputtering apparatus which suppress a film quality change caused by a temperature variation in continuous substrate processing. An embodiment of the present invention performs reactive sputtering while adjusting a flow rate of reactive gas according to the temperature of a constituent member facing a sputtering space. Specifically, a temperature sensor is provided on a shield and the flow rate is adjusted according to the temperature. Thereby, even when a degassing amount of a film adhering to the shield changes, a partial pressure of reactive gas can be set to a predetermined value. For a resistance change layer constituting a ReRAM, a perovskite material such as PrCaMn03 (PCMO), LaSrMnO3 (LSMO), and GdBaCoxOy (GBCO), a two-element type transition metal oxide material which has a composition shifted from a stoichiometric one, such as nickel oxide (NiO), vanadium oxide (V2O5), and the like are used.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: March 10, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Yuichi Otani, Takashi Nakagawa
  • Patent number: 8968538
    Abstract: A magnetic film having excellent uniformity in in-plane distribution of film thickness or sheet resistance is formed when the film is formed by forming a magnetic field on a processing surface of a substrate (21) and performing oblique incidence sputtering by using high discharge power. A sputtering apparatus (1) is provided with a substrate holder (22) for holding rotatably the substrate (21) in the surface direction of the processing surface of the substrate; a substrate magnetic field forming device (30) which is disposed to surround the substrate (21) and forms a magnetic field on the processing surface of the substrate (21); cathodes (41) which are arranged diagonally above the substrate (21) and are supplied with electric discharge power; a position detecting device (23) for detecting a rotation position of the substrate (21); and a control device (50) which adjusts the rotation speed of the substrate (21) in accordance with the rotation position detected by the position detecting device (23).
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: March 3, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Toru Kitada, Naoki Watanabe, Motonobu Nagai, Masahiro Suenaga, Takeo Konno
  • Patent number: 8970213
    Abstract: In a method for manufacturing the functional element, a protective film covering an underlayer, a patterned multilayer film, and a patterned cap layer are formed, and the underlayer is then processed without newly forming a resist. Thereby, an electrode can be formed in steps less than ever before. Since the protective film formed on the patterned multilayer film and the patterned cap layer is used as a mask, the problem of the misregistration can be prevented.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: March 3, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Tomohiko Toyosato, Mihoko Nakamura, Kazuhiro Kimura, Masayoshi Ikeda
  • Patent number: 8956515
    Abstract: Provided is a sputtering apparatus which can form a multilayer film giving high productivity and with less spiral pattern by effective use of targets, and a method of forming multilayer film using the apparatus. An embodiment is a multilayer-film sputtering apparatus comprising: a rotatable cathode unit (30) having cathodes (7a and 7b) arranged on the same circumference with respect to the rotational center, and having a power-supply mechanism for supplying power to each cathode; a sensor (14) for detecting the position of cathode; and a rotation mechanism for rotating the cathode unit (30).
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: February 17, 2015
    Assignee: Canon Anelva Corporation
    Inventor: Masahiro Shibamoto
  • Patent number: 8934290
    Abstract: A magnetoresistance effect device including a multilayer structure having a pair of ferromagnetic layers and a barrier layer positioned between them, wherein at least one ferromagnetic layer has at least the part contacting the barrier layer made amorphous and the barrier layer is an MgO layer having a highly oriented texture structure.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: January 13, 2015
    Assignees: Canon Anelva Corporation, National Institute of Advanced Industrial Science Nad Technology
    Inventors: David D. Djayaprawira, Koji Tsunekawa, Motonobu Nagai, Hiroki Maehara, Shinji Yamagata, Naoki Watanabe, Shinji Yuasa
  • Patent number: 8932438
    Abstract: The magnetic anisotropy of a magnetic layer in a spin valve tunnel magnetoresistive element or giant magnetoresistive element is enhanced. Deposition of the magnetic layer is performed by making sputtering particles obliquely incident on a substrate from a certain incident direction at a certain incident angle.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: January 13, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Koji Tsunekawa, Hiroyuki Hosoya, Yoshinori Nagamine, Shinji Furukawa, Naoki Watanabe
  • Patent number: 8926807
    Abstract: To uniformly perform processing such as deposition on a processing object such as a large, heavy substrate for optics, the large, heavy substrate for optics is accurately, reliably attached to a holder.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: January 6, 2015
    Assignee: Canon Anelva Corporation
    Inventor: Yuji Kajihara
  • Patent number: 8926258
    Abstract: A substrate supporting apparatus includes a substrate support that supports a substrate. A first connecting member is connected to the substrate support and includes a first magnet. A second connecting member faces the first connecting member and is connectable to a transport robot for transporting the substrate to a substrate holder. The second connecting member includes a second magnet magnetically coupled with the first magnet. A spacer is configured to hold an interval between the first connecting member and the second connecting member. The first connecting member and the second connecting member are relatively movable in a plane direction of the substrate via the spacer.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: January 6, 2015
    Assignee: Canon Anelva Corporation
    Inventors: Koichi Yoshizuka, Satoshi Yamada