Patents by Inventor Masahito Mori
Masahito Mori 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).
-
Publication number: 20140225503Abstract: There is provided a method for controlling a plasma processing apparatus that eliminates a preliminary study on a resonance point while maintaining a low contamination and a high uniformity even in multi-step etching. In a method for controlling a plasma processing apparatus including the step of adjusting a radio frequency bias current carried to a counter antenna electrode, the method includes the steps of: setting a reactance of a variable element to an initial value; detecting a bias current carried to the counter antenna electrode; searching for a maximum value of the detected electric current; and adjusting a value of the reactance of the variable element from the maximum value to the set value and then fixing the value.Type: ApplicationFiled: February 11, 2014Publication date: August 14, 2014Applicant: Hitachi High-Technologies CorporationInventors: Masahito Mori, Akira Hirata, Koichi Yamamoto, Takao Arase
-
Publication number: 20140116621Abstract: The invention provides a plasma processing apparatus and a dry etching method for etching a multilayered film structure having steps with high accuracy. The plasma processing apparatus comprises a vacuum reactor 107, a lower electrode 113 placed within a processing chamber of the vacuum reactor and having a wafer 112 to be etched mounted on the upper surface thereof, bias supplying units 118 and 120 for supplying high frequency power for forming a bias potential to the lower electrode 113, a gas supply means 111 for feeding reactive gas into the processing chamber, an electric field supplying means 101 through 103 for supplying a magnetic field for generating plasma in the processing chamber, and a control unit 127 for controlling the distribution of ion energy in the plasma being incident on the wafer 112 via the high frequency power.Type: ApplicationFiled: September 20, 2013Publication date: May 1, 2014Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Masahito MORI, Naoyuki KOFUJI, Naoshi ITABASHI
-
Publication number: 20140102640Abstract: A plasma processing apparatus having a stable plasma generation under wide-ranging process conditions, and superior in uniformity and reproducibility, comprises an upper electrode 3 having gas supply through holes 6, a gas supply means and a lower electrode 1, wherein the gas supply means includes a plane-like member 4 having gas through holes 8 and a plane-like member 5 having gas through holes 10, and the gas supply through holes 6 and the gas through holes 8 are connected through a groove 7, and the gas through holes 8 and the gas through holes 10 are connected through a groove 9, and wherein the gas supply through holes 6, the gas through holes 8 and the gas through holes 10 are disposed at positions, different from each other on a plane.Type: ApplicationFiled: July 30, 2013Publication date: April 17, 2014Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Ken'etsu YOKOGAWA, Masahito MORI, Takao ARASE
-
Patent number: 8546266Abstract: The invention provides a plasma processing apparatus and a dry etching method for etching a multilayered film structure having steps with high accuracy. The plasma processing apparatus comprises a vacuum reactor 107, a lower electrode 113 placed within a processing chamber of the vacuum reactor and having a wafer 112 to be etched mounted on the upper surface thereof, bias supplying units 118 and 120 for supplying high frequency power for forming a bias potential to the lower electrode 113, a gas supply means 111 for feeding reactive gas into the processing chamber, an electric field supplying means 101 through 103 for supplying a magnetic field for generating plasma in the processing chamber, and a control unit 127 for controlling the distribution of ion energy in the plasma being incident on the wafer 112 via the high frequency power.Type: GrantFiled: August 18, 2011Date of Patent: October 1, 2013Assignee: Hitachi High-Technologies CorporationInventors: Masahito Mori, Naoyuki Kofuji, Naoshi Itabashi
-
Publication number: 20130228550Abstract: There is provided dry etching apparatus including a stage on which a wafer is placed, an antenna electrode, a high frequency power supply, a shower plate, and an RF bias power supply. Further, a bias path controller is provided on the side of the antenna electrode. The bias path controller resonates in series with the static reactance formed by the shower plate with respect to the frequency of the RF bias. Then, the bias path controller changes and grounds the impedance by the variable inductive reactance. With this mechanism, highly uniform etching can be achieved even if a shower plate of quartz is used for corrosive gases.Type: ApplicationFiled: August 9, 2012Publication date: September 5, 2013Applicant: Hitachi High-Technologies CorporationInventors: Masahito MORI, Masaru Izawa, Katsushi Yagi
-
Publication number: 20120174170Abstract: [Object] To realize processing for switching a reproduction state from broadcast data to network data and resuming the reproduction of the original broadcast data. [Solving Means] A browser (241) acquires, via a network, an XML-AIT having a content equivalent to a broadcast AIT defining a life cycle of a broadcast application while a VoD content is reproduced after being switched from the broadcast application. The browser (241) manages the broadcast application based on the XML-AIT and resumes the reception of the broadcast application after the reproduction of the VoD content is ended. With this structure, processing of separating two transport streams at the same time becomes unnecessary, and one demultiplexer (23) only needs to be provided.Type: ApplicationFiled: August 31, 2010Publication date: July 5, 2012Inventors: Yoshiharu Dewa, Naohisa Kitazato, Katsunori Hashimoto, Masahito Mori
-
Publication number: 20120128749Abstract: Disclosed are: a composition which enables the more effective development of the efficacy of a water-soluble drug in a solution containing the drug; and a dispersion in which a hydrophobic drug can be dispersed stably without requiring the use of any surfactant. Specifically disclosed are: a composition comprising ultra-fine bubbles having a mode particle size of 500 nm or less, a drug and water; and a process for producing a composition comprising ultra-fine bubbles having a mode particle size of 500 nm or less, a drug and water, which utilizes an ultra-fine bubble generation apparatus.Type: ApplicationFiled: January 30, 2012Publication date: May 24, 2012Inventors: Hideyasu Tsuji, Yasuhiro Tsuji, Toru Oka, Shigeru Sugi, Masumi Torii, Haruka Miyao, Yoshimitsu Nakayama, Tomoyuki Torii, Masahito Mori
-
Patent number: 8129283Abstract: The invention provides a plasma processing apparatus and a dry etching method for etching a multilayered film structure having steps with high accuracy. The plasma processing apparatus comprises a vacuum reactor 107, a lower electrode 113 placed within a processing chamber of the vacuum reactor and having a wafer 112 to be etched mounted on the upper surface thereof, bias supplying units 118 and 120 for supplying high frequency power for forming a bias potential to the lower electrode 113, a gas supply means 111 for feeding reactive gas into the processing chamber, an electric field supplying means 101 through 103 for supplying a magnetic field for generating plasma in the processing chamber, and a control unit 127 for controlling the distribution of ion energy in the plasma being incident on the wafer 112 via the high frequency power.Type: GrantFiled: February 13, 2008Date of Patent: March 6, 2012Assignee: Hitachi High-Technologies CorporationInventors: Masahito Mori, Naoyuki Kofuji, Naoshi Itabashi
-
Publication number: 20110297533Abstract: The invention provides a plasma processing apparatus and a dry etching method for etching a multilayered film structure having steps with high accuracy. The plasma processing apparatus comprises a vacuum reactor 107, a lower electrode 113 placed within a processing chamber of the vacuum reactor and having a wafer 112 to be etched mounted on the upper surface thereof, bias supplying units 118 and 120 for supplying high frequency power for forming a bias potential to the lower electrode 113, a gas supply means 111 for feeding reactive gas into the processing chamber, an electric field supplying means 101 through 103 for supplying a magnetic field for generating plasma in the processing chamber, and a control unit 127 for controlling the distribution of ion energy in the plasma being incident on the wafer 112 via the high frequency power.Type: ApplicationFiled: August 18, 2011Publication date: December 8, 2011Applicant: Hitachi High-Technologies CorporationInventors: Masahito MORI, Naoyuki KOFUJI, Naoshi ITABASHI
-
Publication number: 20110253672Abstract: The present invention is intended to improve the uniformity in a distribution function of incident ion energy inside a wafer surface, and realize uniform plasma processing (etching or the like) inside the wafer surface. In a plasma processing apparatus, a bias application portion of a placement electrode on which a wafer is placed is divided into an inner electrode and an outer electrode at positions near the center of the wafer and the edge thereof. Each of a first bias power and a second bias power to be used to accelerate ions incident on the wafer is bifurcated, and the resultant bias powers are fed to the inner electrode and outer electrode using a power distributor by adjusting the power ratio.Type: ApplicationFiled: August 12, 2010Publication date: October 20, 2011Inventors: Masami Kamibayashi, Masahito Mori, Hiroyuki Kobayashi, Keizo Suzuki, Naoyuki Kofuji
-
Publication number: 20100258529Abstract: The invention provides a plasma processing apparatus comprising a means for detecting the apparatus condition related to the ion flux quantity of plasma (plasma density) and the distribution thereof for to stabilizing mass production and minimizing apparatus differences.Type: ApplicationFiled: July 2, 2009Publication date: October 14, 2010Inventors: Masahito MORI, Tsutomu Tetsuka, Naoshi Itabashi
-
Patent number: 7459107Abstract: A process of reinforcing a closed sectional portion of a vehicle body with a two-pack urethane foam composition. The process including the operations of injecting a two-pack urethane foam composition into the closed sectional portion of a vehicular body member; foaming and curing the two-pack urethane foam composition within said closed sectional portion; and then viewing the cured urethane foam-filling confirming opening to confirm whether the closed sectional portion has been sufficiently filled by the two-pack urethane foam composition. The closed sectional portion has a cured urethane foam-filling confirming opening, which is a hole extending through a wall of the closed sectional portion, The opening dimension of the cured urethane foam-filling confirming opening is 10 mm or less in order to assure rigidity of the vehicular body member.Type: GrantFiled: December 30, 2004Date of Patent: December 2, 2008Assignee: Sunstar Suisse SAInventors: Kiichi Yamashita, Tatsuya Wakamori, Masahito Mori, Mutsuhisa Miyamoto
-
Patent number: 7442651Abstract: An etching technique capable of applying etching at high selectivity to a transition metal element-containing electrode material layer which is formed on or above a dielectric material layer made of a high-dielectric-constant or “high-k” insulator is provided. To this end, place a workpiece on a lower electrode located within a vacuum processing vessel. The workpiece has a multilayer structure of an electrode material layer which contains therein a transition metal element and a dielectric material layer made of high-k insulator. Then, while introducing a processing gas into the vacuum processing vessel, high-frequency power is applied to inside of the vacuum processing vessel, thereby performing plasma conversion of the introduced processing gas so that the workpiece is etched at its surface. When etching the electrode material layer, an HCl gas is supplied as the processing gas.Type: GrantFiled: February 16, 2006Date of Patent: October 28, 2008Assignee: Hitachi High-Technologies CorporationInventors: Masahito Mori, Toshiaki Nishida, Naoshi Itabashi, Motohiko Yoshigai, Hideyuki Kazumi, Kazutami Tago
-
Publication number: 20080190893Abstract: The invention provides a plasma processing apparatus and a dry etching method for etching a multilayered film structure having steps with high accuracy. The plasma processing apparatus comprises a vacuum reactor 107, a lower electrode 113 placed within a processing chamber of the vacuum reactor and having a wafer 112 to be etched mounted on the upper surface thereof, bias supplying units 118 and 120 for supplying high frequency power for forming a bias potential to the lower electrode 113, a gas supply means 111 for feeding reactive gas into the processing chamber, an electric field supplying means 101 through 103 for supplying a magnetic field for generating plasma in the processing chamber, and a control unit 127 for controlling the distribution of ion energy in the plasma being incident on the wafer 112 via the high frequency power.Type: ApplicationFiled: February 13, 2008Publication date: August 14, 2008Inventors: Masahito Mori, Naoyuki Kofuji, Naoshi Itabashi
-
Patent number: 7396771Abstract: A plasma etching apparatus includes a processing chamber in which a specimen is subjected to plasma processing, a specimen holder for holding the specimen, the specimen holder including a temperature controller for controlling temperatures at at least 2 positions of the specimen, at least two gas supply sources for supplying processing gases, at least two gas inlets for introducing the processing gases into the processing chamber, a regulator for independently controlling the compositions or the flow rates of the processing gases introduced from the at least two gas inlets and the temperatures controlled with at least two temperature controllers in the specimen holder, and an electromagnetic wave supply unit for sending an electromagnetic wave into the processing chamber, wherein the compositions or the flow rates of the processing gases introduced from the gas inlets and the temperature controlled with the temperature controllers in the specimen holder are independently controlled.Type: GrantFiled: February 28, 2006Date of Patent: July 8, 2008Assignee: Hitachi High-Technologies CorporationInventors: Go Miya, Seiichiro Kanno, Naoshi Itabashi, Motohiko Yoshigai, Junichi Tanaka, Masahito Mori, Naoyuki Kofuji, Go Saito
-
Publication number: 20080038329Abstract: The present invention provides a T cell activator comprising an antigen-bound phospholipid membrane, wherein the phospholipid membrane comprises a phospholipid having an acyl group having one unsaturated bond and 14 to 24 carbon atoms or a hydrocarbon group having one unsaturated bond and 14 to 24 carbon atoms, and a phospholipid membrane stabilizer, and wherein the antigen is bound to the surface of the phospholipid membrane.Type: ApplicationFiled: August 9, 2007Publication date: February 14, 2008Applicants: NOF CORPORATION, The Director-General of National Institute of Infectious DiseasesInventors: Tetsuya Uchida, Masahito Mori, Hiroshi Oda
-
Publication number: 20070232067Abstract: The invention provides a semiconductor fabrication method comprising a deposition step for depositing a laminated film on a semiconductor substrate having a region in which a mask pattern is formed sparsely and a region in which the mask pattern is formed densely, a lithography step s1 for forming a mask pattern, a cleaning step S11C for removing deposits in the apparatus, a trimming step S3 for trimming the mask pattern, and dry etching steps S4 and S5 for transferring the mask pattern on the laminated film, wherein a seasoning step S11S followed by a deposition step S2 is introduced either before or after the trimming step S3.Type: ApplicationFiled: March 28, 2007Publication date: October 4, 2007Inventors: Kousa Hirota, Masahito Mori, Naoyuki Kofuji, Naoshi Itabashi, Toshio Masuda
-
Publication number: 20070134922Abstract: An etching technique capable of applying etching at high selectivity to a transition metal element-containing electrode material layer which is formed on or above a dielectric material layer made of a high-dielectric-constant or “high-k” insulator is provided. To this end, place a workpiece on a lower electrode located within a vacuum processing vessel. The workpiece has a multilayer structure of an electrode material layer which contains therein a transition metal element and a dielectric material layer made of high-k insulator. Then, while introducing a processing gas into the vacuum processing vessel, high-frequency power is applied to inside of the vacuum processing vessel, thereby performing plasma conversion of the introduced processing gas so that the workpiece is etched at its surface. When etching the electrode material layer, an HCl gas is supplied as the processing gas.Type: ApplicationFiled: February 16, 2006Publication date: June 14, 2007Inventors: Masahito Mori, Toshiaki Nishida, Naoshi Itabashi, Motohiko Yoshigai, Hideyuki Kazumi, Kazutami Tago
-
Publication number: 20070056929Abstract: A plasma etching apparatus includes a processing chamber in which a specimen is subjected to plasma processing, a specimen holder for holding the specimen, the specimen holder including a temperature controller for controlling temperatures at at least 2 positions of the specimen, at least two gas supply sources for supplying processing gases, at least two gas inlets for introducing the processing gases into the processing chamber, a regulator for independently controlling the compositions or the flow rates of the processing gases introduced from the at least two gas inlets and the temperatures controlled with at least two temperature controllers in the specimen holder, and an electromagnetic wave supply unit for sending an electromagnetic wave into the processing chamber, wherein the compositions or the flow rates of the processing gases introduced from the gas inlets and the temperature controlled with the temperature controllers in the specimen holder are independently controlled.Type: ApplicationFiled: February 28, 2006Publication date: March 15, 2007Inventors: Go Miya, Seiichiro Kanno, Naoshi Itabashi, Motohiko Yoshigai, Junichi Tanaka, Masahito Mori, Naoyuki Kofuji, Go Saito
-
Publication number: 20060096706Abstract: The processing with a low gate rate of destruction and high anisotropy is achieved in dry etching. Plasma is generated by ECR resonance of electromagnetic wave which arose by supplying Ultra High Frequency electric power in microstripline 4 arranged on the atmosphere side of a dielectric 2, which separates a vacuum inside and an outside and magnetic field. A conducting layer is etched by this plasma, which is stable and uniform plasma.Type: ApplicationFiled: December 23, 2005Publication date: May 11, 2006Inventors: Naoyuki Kofuji, Masahito Mori, Ken'etsu Yokogawa, Naoshi Itabashi, Kazunori Tsujimoto, Shin'ichi Tachi