Patents Assigned to Mitsui Mining & Smelting Co., Ltd.
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Publication number: 20190378728Abstract: There is a method of manufacturing a multilayer wiring board including: alternately stacking wiring layers and insulating layers; stacking a reinforcing sheet on one surface of the resulting multilayer laminate with a soluble adhesive layer therebetween, wherein an unoccupied region without the soluble adhesive layer is provided within a facing area where the reinforcing sheet faces the multilayer laminate; allowing a liquid capable of dissolving the soluble adhesive layer to infiltrate the unoccupied region to dissolve or soften the soluble adhesive layer; and releasing the reinforcing sheet from the multilayer laminate at the soluble adhesive layer. This method enables the multilayer wiring layer to be reinforced to generate no large local warpage, thereby improving the reliable connection and the surface flatness (coplanarity) of the multilayer wiring layer. The used reinforcing sheet can be released in a significantly short time, while minimizing the stress applied to the multilayer laminate.Type: ApplicationFiled: November 24, 2017Publication date: December 12, 2019Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Yoshinori MATSUURA, Tetsuro SATO, Toshimi NAKAMURA, Takenori YANAI
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Publication number: 20190378727Abstract: There is provided a method of manufacturing a multilayer wiring board including: alternately stacking wiring layers and insulating layers; stacking a reinforcing sheet having openings on one surface of the resulting multilayer laminate with a soluble adhesive layer therebetween; contacting or infiltrating the soluble adhesive layer with a liquid capable of dissolving the soluble adhesive layer through the openings to thereby dissolve or soften the soluble adhesive layer; and releasing the reinforcing sheet from the multilayer laminate at the position of the soluble adhesive layer. This method enables the multilayer wiring layer to be reinforced so as to generate no large local warpage, thereby improving the reliable connection in the multilayer wiring layer and the flatness (coplanarity) on the surface of the multilayer wiring layer. The reinforcing sheet having finished its role can be released in a significantly short time, while minimizing the stress applied to the multilayer laminate.Type: ApplicationFiled: November 24, 2017Publication date: December 12, 2019Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Yoshinori MATSUURA, Tetsuro SATO, Takenori YANAI, Toshimi NAKAMURA
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Patent number: 10505183Abstract: Provided is a novel negative electrode for nonaqueous electrolyte secondary batteries, which is capable of improving cycle characteristics and is also capable of suppressing aggregation of active material particles in a slurry. The negative electrode active material for nonaqueous electrolyte secondary batteries contains silicon and has a D50 of 0.1 ?m to 5 ?m, and an amount of water measured at 120° C. to 300° C. by the Karl-Fischer method (referred to as “amount of water”) per specific surface area (referred to as “CS”), that is, the amount of water/CS, of 0.1 to 80 ppm/(m2/cc).Type: GrantFiled: April 2, 2013Date of Patent: December 10, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Daisuke Inoue, Yanko Marinov Todorov, Shinya Kagei
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Patent number: 10492308Abstract: There is provided a copper foil provided with a carrier exhibiting a high peeling resistance against the developer in the photoresist developing process and achieving high stability of mechanical peel strength of the carrier. The copper foil provided with a carrier comprises a carrier; an interlayer disposed on the carrier, the interlayer having a first surface adjacent to the carrier and containing 1.0 atom % or more of at least one metal selected from the group consisting of Ti, Cr, Mo, Mn, W and Ni and a second surface remote from the carrier and containing 30 atom % or more of Cu; a release layer disposed on the interlayer; and an extremely-thin copper layer disposed on the release layer.Type: GrantFiled: April 29, 2019Date of Patent: November 26, 2019Assignee: MITSUI MINING & SMELTING CO., LTD.Inventor: Yoshinori Matsuura
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Patent number: 10486231Abstract: A novel silver-coated copper powder, particularly a silver-coated copper powder particle having a dendritic shape, having increased electrical conductivity with no need to increase the silver content is provided. The silver-coated copper powder is composed of a silver-coated copper particle coated with a silver layer containing silver or a silver alloy, including a silver-coated copper particle having a dendritic shape, containing nitrogen (N) in the silver layer, and having a nitrogen (N) content of 0.2 to 10.0 parts by mass with respect to 100 parts by mass of the silver content.Type: GrantFiled: August 17, 2016Date of Patent: November 26, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Hiroyuki Morinaka, Kentaro Ochi
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Patent number: 10483531Abstract: Proposed is a novel negative electrode for nonaqueous electrolyte secondary batteries in which the battery capacity does not decrease even when charging and discharging are repeated. Proposed is a silicon-containing negative electrode active material for nonaqueous electrolyte secondary batteries, comprising negative electrode active material particles which are provided with a surface layer containing carbon and titanium or aluminum on the entirety or a portion of the surface of the active material.Type: GrantFiled: July 8, 2013Date of Patent: November 19, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Daisuke Inoue, Yanko Marinov Todorov, Shinya Kagei
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Patent number: 10479692Abstract: Disclosed is a method for readily and inexpensively producing zeolite without using an organic structure-directing agent (organic SDA). Specifically disclosed is a method whereby a gel containing a silica source, an alumina source, an alkaline source and water is reacted with zeolite seed crystals, to produce a zeolite with the same kind of skeletal structure as the zeolite. The gel used is a gel of a composition whereby, when a zeolite is synthesized from this gel only, the synthesized zeolite comprises at least one of the kinds of composite building units of the target zeolite.Type: GrantFiled: April 20, 2017Date of Patent: November 19, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Keiji Itabashi, Tatsuya Okubo, Yoshihiro Kamimura, Shanmugam Palani Elangovan
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Patent number: 10468672Abstract: Provided is a lithium secondary battery using a positive electrode active material which operates at a charging voltage in a region exceeding 4.3 V, and a novel positive electrode active material for a lithium secondary battery which can further enhance the output characteristics. Proposed is a positive electrode active material for a lithium secondary battery including positive electrode active material particles obtained by equipping the entire surface or a part of the surface of lithium manganese-containing composite oxide particles (also referred to as the “core particles”) operating at a charging voltage in a region exceeding 4.3 V in a metal Li reference potential with a layer A containing at least Ti, Al, Zr, or two or more kinds of these, and C.Type: GrantFiled: May 19, 2014Date of Patent: November 5, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Shinya Kagei, Natsumi Shibamura, Yanko Marinov Todorov, Yoshimi Hata
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Patent number: 10468677Abstract: Provided is a spinel-type lithium-manganese-containing complex oxide that is related to a 5 V-class spinel, and with which output characteristics and charge-discharge cycle ability can be enhanced while suppressing gas generation. Proposed is a spinel-type lithium-manganese-containing complex oxide comprising at least Li, Mn, O, and two or more other elements, and having an operating potential of 4.5 V or more with respect to a metal Li reference potential, wherein: D50 is 0.5 to 9 ?m; a value of (|mode diameter?D50|/mode diameter)×100 is 0 to 25%; a value of (|mode diameter?D10|/mode diameter)×100 is 20 to 58%; a ratio of average primary particle diameter/D50, which is calculated from an average primary particle diameter calculated from a SEM image and the D50, is 0.20 to 0.99; and a primary particle is a polycrystal.Type: GrantFiled: February 28, 2017Date of Patent: November 5, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Kyohei Yamaguchi, Tetsuya Mitsumoto, Hideaki Matsushima, Shinya Kagei
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Publication number: 20190335594Abstract: Provided is a method of manufacturing a multilayer wiring board, in which electrical inspection can be performed with accurate probing while warpage of a multilayer laminate is reduced. This method includes providing a laminated sheet including a first support, a first release layer and a metal layer; alternately stacking wiring layers and insulating layers on a surface of the metal layer, wherein an n-th wiring layer being the uppermost layer includes an n-th connection pad; bonding a second support having an opening on a surface, remote from the laminated sheet, of the multilayer laminate with a second release layer therebetween such that at least a part of the n-th connection pad is disposed within the opening; releasing the first support from the reinforced multilayer laminate at the first release layer; and putting conductors into contact with the n-th connection pads of the reinforced multilayer laminate to perform electrical inspection.Type: ApplicationFiled: December 22, 2016Publication date: October 31, 2019Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Yoshinori MATSUURA, Yasuhiro SETO, Toshimi NAKAMURA
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Patent number: 10450934Abstract: A system (9) of the invention is a system for detecting deterioration of a catalyst (8) provided in an exhaust passage (12) of an internal combustion engine (11), the system including: means (5) that detects a temperature of an exhaust on an upstream side of the catalyst (8); means (6) that detects a temperature of the exhaust on a downstream side of the catalyst (8); a recognition unit (10) that recognizes, both upstream and downstream of the catalyst (8), a change point at which the temperature changes from temperature fall or constant temperature to temperature rise during acceleration operation, or a change point at which the temperature changes from temperature rise or constant temperature to temperature fall during deceleration operation; and a determination unit (10) that determines that the catalyst (8) has deteriorated when a difference (?T or ?T?) between the upstream and downstream change points becomes equal to or longer than a predetermined time.Type: GrantFiled: July 26, 2017Date of Patent: October 22, 2019Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Naoki Munakata, Katsumasa Horii, Yunosuke Nakahara
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Patent number: 10446842Abstract: Provided is a new 5 V class spinel-type lithium manganese-containing composite oxide which enables the expansion of a high potential capacity region and the suppression of gas generation. The 5 V class spinel-type lithium manganese-containing composite oxide has an operating potential of 4.5 V or more at a metal Li reference potential, and contains Li, Mn, O and two or more other elements. The spinel-type lithium manganese-containing composite oxide is characterized in that, in an electronic diffraction image from a transmission electron microscope (TEM), a diffraction spot observed in the Fd-3m structure as well as a diffraction spot not observed in the Fd-3m structure are confirmed.Type: GrantFiled: April 28, 2016Date of Patent: October 15, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Tetsuya Mitsumoto, Kyohei Yamaguchi, Toshikazu Matsuyama, Hideaki Matsushima, Shinya Kagei
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Patent number: 10442699Abstract: Provided is a new method for producing a positive electrode active material for lithium secondary batteries, by which even in the case of washing a spinel type lithium transition metal oxide with water or the like, the service life characteristics can be further enhanced, and the concentration of magnetic substances can be effectively reduced. Suggested is a method for producing a positive electrode active material for lithium secondary batteries, the method including a water washing step of bringing a powder of a spinel type lithium transition metal oxide into contact with a polar solvent and thereby washing the powder; and a drying step of subsequently drying the powder by heating the powder to 300° C. to 700° C. in an atmosphere containing oxygen.Type: GrantFiled: December 19, 2011Date of Patent: October 15, 2019Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Shinya Kagei, Yoshimi Hata, Yasuhiro Ochi
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Patent number: 10434502Abstract: The present invention provides an exhaust gas purifying composition containing BEA zeolite containing phosphorus, wherein an amount of phosphorus is such that a molar ratio thereof with respect to Al in the zeolite is 0.5 or greater, and a maintaining factor RS of a specific surface area of the exhaust gas purifying composition after heating at 980° C. for 25 hours is 35% or greater. Furthermore, the present invention also provides an exhaust gas purifying composition containing phosphorus-containing zeolite, wherein an amount of phosphorus is such that a molar ratio thereof with respect to Al in the zeolite is from 0.5 to 8, and a maintaining factor Rd of a crystallite diameter after heating at 980° C. for 25 hours is 50% or greater. The exhaust gas purifying composition of the present invention has excellent HC purifiability for exhaust gas purification in internal combustion engines such as gasoline engines.Type: GrantFiled: July 26, 2017Date of Patent: October 8, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Jo Nishikawa, Satoshi Watanabe, Michitaka Yamaguchi
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Publication number: 20190292415Abstract: Provided is an adhesive sheet including a substrate sheet and a soluble adhesive layer with an island or stripe pattern disposed on at least one surface of the substrate sheet, wherein each adhesive region has a circumscribed circle diameter of 0.1 mm to 10 mm for the island pattern, or has a stripe width of 0.1 mm to 10 mm for the stripe pattern. This adhesive sheet can retain an adhesive force of the adhesive layer until just before releasing and can be readily released from the adherend at any time without applying of excessive stress to the adherend.Type: ApplicationFiled: November 24, 2017Publication date: September 26, 2019Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Tetsuro SATO, Toshimi NAKAMURA
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Patent number: 10396363Abstract: An object of the present invention is to provide a copper foil inexpensive and sufficient in tensile strength even after heat treatment. The copper foil includes zinc in a content range of 0.02% by mass to 2.7% by mass in the total mass of the entire copper foil, and if the regions in thicknesses direction from both surfaces of the copper foil where occupies 5% by mass in the total mass of the entire copper foil are referred to as the respective external layers and a region between one external layer and the other external layer is referred to as an internal layer, the internal layer includes copper as a main element and includes 100 ppm or more of one or mixture of small amount-elements selected from carbon, sulfur, chlorine and nitrogen, and includes zinc at 10% or more in the total mass of zinc included in the entire copper foil.Type: GrantFiled: May 21, 2013Date of Patent: August 27, 2019Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Koichi Miyake, Tomoyuki Maeda, Kazutaka Hozumi, Hiroaki Nakahara, Shinichi Yamauchi
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Publication number: 20190261518Abstract: There is provided a copper foil provided with a carrier exhibiting a high peeling resistance against the developer in the photoresist developing process and achieving high stability of mechanical peel strength of the carrier. The copper foil provided with a carrier comprises a carrier; an interlayer disposed on the carrier, the interlayer having a first surface adjacent to the carrier and containing 1.0 atom % or more of at least one metal selected from the group consisting of Ti, Cr, Mo, Mn, W and Ni and a second surface remote from the carrier and containing 30 atom % or more of Cu; a release layer disposed on the interlayer; and an extremely-thin copper layer disposed on the release layer.Type: ApplicationFiled: April 29, 2019Publication date: August 22, 2019Applicant: MITSUI MINING & SMELTING CO., LTD.Inventor: Yoshinori MATSUURA
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Patent number: 10357824Abstract: A new dendritic silver powder can be mixed with a synthetic resin to give electroconductive films having sufficient electroconductivity. Even when the films vary in thickness, the electroconductivity of the films can be maintained. The volume-cumulative particle diameter D50 (referred to as “D50D”) determined by adding the silver powder to water containing a dispersant, applying 300-watt ultrasonic waves to the resultant mixture for 3 minutes, and examining the dispersion with a laser diffraction/scattering type particle size analyzer is 1.0-15.0 ?m and that the ratio of the volume-cumulative particle diameter D50 (referred to as “D50N”) determined by adding the silver powder to the water containing a dispersant and examining the mixture under the same conditions as for the D50D except that no ultrasonic waves are applied, to the D50D, D50N/D50D, is 1.0-10.0.Type: GrantFiled: October 14, 2016Date of Patent: July 23, 2019Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Hiroyuki Morinaka, Yasunari Wakimori, Kentaro Ochi
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Patent number: 10350581Abstract: The invention relates to a catalyst composition using other metals different from precious metals as a catalytically active component and is to propose a novel catalyst composition for exhaust gas purification which has excellent catalytic activity, in particular, excellent treatment activity of HC even after a thermal durability treatment. The invention is to propose a catalyst composition for exhaust gas purification comprising catalyst particles having a constitution in which Cu and a transition metal A including at least one of Cr, Fe, Mn, Co, Ni, Zr, and Ag are supported on ceria (CeO2) particles and a catalyst using the same.Type: GrantFiled: November 27, 2013Date of Patent: July 16, 2019Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Yuki Nagao, Michitaka Yamaguchi, Yunosuke Nakahara, Masato Machida
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Patent number: 10356915Abstract: There is provided a copper foil provided with a carrier exhibiting a high peeling resistance against the developer in the photoresist developing process and achieving high stability of mechanical peel strength of the carrier. The copper foil provided with a carrier comprises a carrier; an interlayer disposed on the carrier, the interlayer having a first surface adjacent to the carrier and containing 1.0 atom % or more of at least one metal selected from the group consisting of Ti, Cr, Mo, Mn, W and Ni and a second surface remote from the carrier and containing 30 atom % or more of Cu; a release layer disposed on the interlayer; and an extremely-thin copper layer disposed on the release layer.Type: GrantFiled: February 21, 2017Date of Patent: July 16, 2019Assignee: MITSUI MINING & SMELTING CO., LTD.Inventor: Yoshinori Matsuura