Patents Assigned to Anelva Corporation
-
Patent number: 10359926Abstract: An information processing apparatus for processing a plurality of event data generated by a processing apparatus for processing a member, includes a determination unit which determines at least two event data existing at a preset interval in a time-series sequence of the plurality of event data, a specification unit which acquires a scroll request containing designation information for designating a position in the sequence from a scroll function incorporated in the information processing apparatus, and specify, as jump destination event data, event data at a position close to the position designated by the designation information in the sequence, among the at least two event data determined by the determination unit, and a control unit which causes the scroll function to start scrolling from or near the jump destination event data.Type: GrantFiled: February 5, 2014Date of Patent: July 23, 2019Assignee: Canon Anelva CorporationInventor: Hiroki Kayoiji
-
Patent number: 10236199Abstract: A substrate processing method comprises: an execution step of executing the first processing for the plurality of substrates, and executing the second processing for the substrates having undergone the first processing; a recovery step of recovering the plurality of substrates having undergone the first processing and the second processing to the retraction chamber; a conditioning step of, after completion of the first processing for the last substrate among the plurality of substrates, loading a dummy substrate into the first processing chamber, executing the third processing for the dummy substrate, and unloading the dummy substrate from the first processing chamber; and a second execution step of, after the dummy substrate is unloaded from the first processing chamber in the conditioning step, loading the substrates recovered in the recovery step into the first processing chamber, and executing the third processing for the substrates loaded into the first processing chamber.Type: GrantFiled: June 2, 2016Date of Patent: March 19, 2019Assignee: CANON ANELVA CORPORATIONInventors: Kiyoshi Ehara, Mitsuo Suzuki
-
Patent number: 10224179Abstract: Provided is an ion beam processing apparatus including an ion generation chamber, a processing chamber, and electrodes to form an ion beam by extracting ions generated in the ion generation chamber to the processing chamber. The electrodes includes a first electrode disposed close to the ion generation chamber and provided with an ion passage hole to allow passage of the ions, and a second electrode disposed adjacent to the first electrode and closer to the processing chamber than the first electrode is, and provided with an ion passage hole to allow passage of the ions. The apparatus also includes a power unit which applies different electric potentials to the first electrode and the second electrode, respectively, so as to accelerate the ions generated by an ion generator in the ion generation chamber. A material of the first electrode is different from a material of the second electrode.Type: GrantFiled: October 8, 2015Date of Patent: March 5, 2019Assignee: CANON ANELVA CORPORATIONInventors: Yasushi Yasumatsu, Naoyuki Okamoto, Masashi Tsujiyama, Fumihito Suzuki
-
Patent number: 10222287Abstract: Provided are an excellent cold cathode ionization gauge and an excellent cold cathode ionization gauge cartridge. The cold cathode ionization gauge includes: an anode; a cathode, which has a tubular shape, and is arranged to surround the anode; a seal for sealing one opening of the cathode; a first member, which faces the seal inside the cathode, and has a through hole formed therein; a partition for partitioning a space surrounded by the cathode, the seal, and the first member into a first space that the first member faces and a second space that the seal faces; and a light source, which is arranged in the partition or the second space, and is configured to emit an electromagnetic wave, in which a gap is formed between at least part of an outer peripheral portion of the partition and the cathode.Type: GrantFiled: October 30, 2017Date of Patent: March 5, 2019Assignee: CANON ANELVA CORPORATIONInventors: Yohsuke Kawasaki, Itaru Enomoto, Isao Mochizuki
-
Patent number: 10224463Abstract: An object of the present invention is to provide a film formation technique having high productivity by realizing a foundation layer having excellent crystallinity with a small film thickness of about 2 ?m. An embodiment of the present invention relates to a film forming method which includes the step of forming a buffer layer by sputtering on a sapphire substrate held by a substrate holder. The buffer layer includes an epitaxial film having a wurtzite structure prepared by adding at least one substance selected from the group consisting of C, Si, Ge, Mg, Zn, Mn, and Cr to AlxGa1?xN (where 0?x?1).Type: GrantFiled: July 6, 2015Date of Patent: March 5, 2019Assignee: CANON ANELVA CORPORATIONInventor: Yoshiaki Daigo
-
Patent number: 10157961Abstract: Provided are a method of manufacturing a magnetoresistive element and a manufacturing system which are capable of manufacturing a magnetoresistive element achieving further downscaling, i.e., further increase in the degree of integration of the magnetoresistive element while having high magnetic properties. The method includes: preparing a stacked film including one of the two magnetic layers, a layer to form the tunnel barrier layer, and the other of the two magnetic layers, on a substrate; forming multiple separated stacked films on the substrate by separating the stacked film into the multiple stacked films by etching; irradiating side portions of the multiple separated stacked films with ion beams in a pressure-reducible process chamber; and after the irradiation with the ion beams, forming oxide layers or nitride layers on surfaces of the multiple stacked films by introducing an oxidizing gas or a nitriding gas into the process chamber.Type: GrantFiled: May 15, 2017Date of Patent: December 18, 2018Assignee: CANON ANELVA CORPORATIONInventors: Marie Hayashi, Kiyotaka Sakamoto, Masayoshi Ikeda
-
Patent number: 10153426Abstract: This invention provides a manufacturing method of a magnetoresistive effect element having a higher MR ratio than a conventional element. A manufacturing method of a magnetoresistive effect element of an embodiment of the invention includes: a step of forming a tunnel barrier layer on a substrate, on a surface of which one of a magnetization free layer and a magnetization fixed layer is formed; a step of cooling the substrate after the step of forming a tunnel barrier layer; a step of forming an other one of the magnetization free layer and the magnetization fixed layer on the tunnel barrier layer after the step of cooling; and a step of raising a temperature of the substrate after the step of forming the other one of the magnetization free layer and the magnetization fixed layer.Type: GrantFiled: April 21, 2016Date of Patent: December 11, 2018Assignee: CANON ANELVA CORPORATIONInventors: Takuya Seino, Yuichi Otani, Kazumasa Nishimura
-
Patent number: 10141208Abstract: A vacuum processing apparatus includes a tilting unit configured to tilt, in a vacuum vessel, a substrate holder including a refrigerator, and a rotary joint provided in the tilting unit and including a coolant path configured to supply or exhaust a coolant gas to or from the refrigerator. The rotary joint includes a fixed portion fixed to the vacuum vessel, a pivotal portion provided so as to pivot with respect to the fixed portion and fixed to the substrate holder, and a grease supply passage.Type: GrantFiled: August 20, 2015Date of Patent: November 27, 2018Assignee: Canon Anelva CorporationInventors: Ryo Ishizaki, Daisuke Kobinata, Naoki Kubota, Kyosuke Sugi
-
Patent number: 10083830Abstract: It was found out that when radicals generated by plasma are fed to a treatment chamber via a plurality of holes (111) formed on a partition plate which separates a plasma-forming chamber (108) from the treatment chamber, and the radicals are mixed with a treatment gas which is separately fed to the treatment chamber, the excitation energy of the radicals is suppressed and thereby the substrate surface treatment at high Si-selectivity becomes possible, which makes it possible to conduct the surface treatment of removing native oxide film and organic matter without deteriorating the flatness of the substrate surface. The radicals in the plasma are fed to the treatment chamber via radical-passing holes (111) of a plasma-confinement electrode plate (110) for plasma separation, the treatment gas is fed to the treatment chamber (121) to be mixed with the radicals in the treatment chamber, and then the substrate surface is cleaned by the mixed atmosphere of the radicals and the treatment gas.Type: GrantFiled: May 23, 2016Date of Patent: September 25, 2018Assignee: CANON ANELVA CORPORATIONInventors: Takuya Seino, Manabu Ikemoto, Kimiko Mashimo
-
Publication number: 20180261440Abstract: A sputtering apparatus includes a shutter unit, a plurality of target holders, and a substrate holder which can rotate about an axis perpendicular to a surface on which a substrate is held. The shutter unit includes a first shutter having first and second apertures and a second shutter having third and fourth apertures. The plurality of target holders are arranged on a first virtual circle centered on the axis, with the arrangement intervals between the plurality of target holders on the first virtual circle including at least two types of arrangement intervals.Type: ApplicationFiled: May 11, 2018Publication date: September 13, 2018Applicant: CANON ANELVA CORPORATIONInventors: Shigenori Ishihara, Hiroyuki Toya, Yasushi Yasumatsu, Toshikazu Nakazawa, Eiji Nakamura, Shintaro Suda, Shin Imai, Yuu Fujimoto
-
Patent number: 10062553Abstract: A sputtering apparatus includes a space defining member defining a sputtering space for forming a film on a substrate. The space defining member includes a concave portion, and an opening portion is provided in the bottom portion of the concave portion. The sputtering apparatus includes a shield member configured to shield the opening portion from the sputtering space. The opening portion is formed so that a pressure gauge capable of measuring the pressure in the sputtering space can be attached, and the shield member is arranged so that at least a part of the shield member is buried in the concave portion.Type: GrantFiled: January 31, 2017Date of Patent: August 28, 2018Assignee: Canon Anelva CorporationInventors: Taichi Hiromi, Hidetoshi Shimokawa, Atsuyuki Ichikawa
-
Patent number: 10062545Abstract: A computer-readable recording medium encoded with a computer program for executing an ion etching method of etching a substrate arranged on a substrate holder using an ion beam etching apparatus. The computer program includes a decremental control program having a command according to which the first step is executed; and an incremental control program having a command according to which the second step is executed.Type: GrantFiled: March 7, 2016Date of Patent: August 28, 2018Assignee: CANON ANELVA CORPORATIONInventors: Yasushi Kamiya, Einstein Noel Abarra, Yuta Konno
-
Patent number: 10062551Abstract: A sputtering apparatus includes a chamber, a substrate holder, first to fourth target holders, a shutter unit, and a gate valve through which the substrate is conveyed. The first to fourth target holders are arranged on vertices of a virtual rectangle having long sides and short sides and inscribed in a virtual circle centered on the axis, the first target holder and the second target holder are respectively arranged on two vertices defining one short side of the virtual rectangle, and a distance to the gate valve is shorter than distances from the third target holder and the fourth target holder to the gate valve.Type: GrantFiled: May 28, 2015Date of Patent: August 28, 2018Assignee: CANON ANELVA CORPORATIONInventors: Shigenori Ishihara, Kazuya Konaga, Hiroyuki Toya, Shintaro Suda, Yasushi Yasumatsu, Yuu Fujimoto, Toshikazu Nakazawa, Eiji Nakamura, Shin Imai
-
Patent number: 10056273Abstract: A heating apparatus includes a heater, an electron reflection plate, a filament arranged between the heater and the electron reflection plate, a heating power supply configured to supply an AC voltage between a first terminal and a second terminal of the filament to emit thermoelectrons from the filament, an acceleration power supply configured to supply an acceleration voltage between the filament and the heater, and a resistor arranged so as to form a path which connects the electron reflection plate and the heating power supply.Type: GrantFiled: September 6, 2017Date of Patent: August 21, 2018Assignee: Canon Anelva CorporationInventors: Masao Sasaki, Kazutoshi Yoshibayashi, Kenji Sato, Kenzou Murata
-
Patent number: 10026591Abstract: An ion beam etching device includes a grid provided between a treatment chamber and a plasma generation chamber, and for forming an ion beam by drawing ions from the plasma generation chamber; a gas introduction unit for introducing discharge gas into the plasma generation chamber; an exhaust for exhausting the treatment chamber; a substrate holder; a control unit to receive a measurement result of an in-plane film thickness distribution before the substrate is processed; and an electromagnetic coil provided outside of the plasma generation chamber in a ceiling portion opposite to the grid of the plasma generation chamber. The electromagnetic coil includes an outer coil provided on an outer circumference of the ceiling portion and an inner coil provided on an inner circumference of the ceiling portion, and the control unit controls the currents applied to the outer coil and the inner coil in accordance with the measurement result.Type: GrantFiled: July 13, 2017Date of Patent: July 17, 2018Assignee: Canon Anelva CorporationInventors: Yoshimitsu Kodaira, Yukito Nakagawa, Motozo Kurita
-
Patent number: 10011899Abstract: A deposition apparatus comprises a target unit, an anode unit into which electrons emitted from the target unit flow, a striker configured to come into contact with the target unit to render the target unit and the anode unit conductive, so as to cause arc discharge between the target unit and the anode unit, a striker driving unit configured to drive the striker in one of a direction toward the target unit and a direction to retract from the target unit, a power supply unit configured to supply power to the target unit and the anode unit, and a control unit configured to control the striker driving unit and the power supply unit. The control unit supplies the power to the target unit and the anode unit after bringing the striker into contact with the target unit.Type: GrantFiled: November 11, 2015Date of Patent: July 3, 2018Assignee: CANON ANELVA CORPORATIONInventors: Teruaki Ono, Masahiro Shibamoto
-
Patent number: 9997339Abstract: A sputtering apparatus includes a shutter unit, a plurality of target holders, and a substrate holder which can rotate about an axis perpendicular to a surface on which a substrate is held. The shutter unit includes a first shutter having first and second apertures and a second shutter having third and fourth apertures. The plurality of target holders are arranged on a first virtual circle centered on the axis, with the arrangement intervals between the plurality of target holders on the first virtual circle including at least two types of arrangement intervals.Type: GrantFiled: May 28, 2015Date of Patent: June 12, 2018Assignee: CANON ANELVA CORPORATIONInventors: Shigenori Ishihara, Hiroyuki Toya, Yasushi Yasumatsu, Toshikazu Nakazawa, Eiji Nakamura, Shintaro Suda, Shin Imai, Yuu Fujimoto
-
Patent number: 9997386Abstract: A substrate holder mounting device is provided that is compact and has a simple structure. The substrate holder mounting device according to the present invention is provided with: a first and a second mounting mechanisms (5, 7) that are housed in a chamber and that are respectively configured to be capable of mounting a plurality of substrate holders along a row; row direction drive means that moves the first mounting mechanism to a row direction relatively with respect to the second mounting mechanism; a shifting mechanism (30) that shifts the substrate holders between the first and second mounting mechanisms; and a link-up mechanism that changes positions of the substrate holders in the row direction in the first or second mounting mechanism by a linkage between the shifting mechanism and the above-described row direction drive means.Type: GrantFiled: March 23, 2011Date of Patent: June 12, 2018Assignee: Canon Anelva CorporationInventors: Ryuji Higashisaka, Hideki Wakabayashi
-
Patent number: 9991119Abstract: A heat treatment method for a semiconductor substrate is provided which improves the shapes of the sharp corners at the opening and the bottom of a trench without using flammable or explosive gas while improving productivity. The heat treatment is performed on a semiconductor substrate with a recess formed therein in a treatment chamber where gas is sealed at a pressure exceeding a pressure in a molecular flow region.Type: GrantFiled: September 22, 2016Date of Patent: June 5, 2018Assignee: CANON ANELVA CORPORATIONInventors: Masami Shibagaki, Yasuko Shinoda
-
Patent number: 9991102Abstract: A sputtering apparatus according to one embodiment of the present invention includes a substrate holder, a cathode unit arranged at a position diagonally opposite to the substrate holder, a position sensor for detecting a rotational position of the substrate, and a holder rotation controller for adjusting a rotation speed of the substrate according to the detected rotational position. The holder rotation controller controls the rotation speed so that the rotation speed of the substrate when the cathode unit is located on a side in a first direction as an extending direction of a process target surface of the relief structure is lower than the rotation speed of the substrate when the cathode unit is located on a side in a second direction which is perpendicular to the first direction along the rotation of the substrate.Type: GrantFiled: November 23, 2015Date of Patent: June 5, 2018Assignee: CANON ANELVA CORPORATIONInventors: Koji Tsunekawa, Masahiro Suenaga, Takeo Konno