Patents by Inventor Saori INOUE
Saori INOUE 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).
-
Patent number: 11912011Abstract: One aspect of the present invention provides a composite sheet which comprises a nitride sintered body having a porous structure and a semi-cured product of a thermosetting resin composition impregnated into the nitride sintered body, the line roughness Rz specified by JIS B 0601:2013 of at least one main surface being 10 ?m or less.Type: GrantFiled: October 21, 2020Date of Patent: February 27, 2024Assignee: Denka Company LimitedInventors: Yoshitaka Minakata, Tomoya Yamaguchi, Saori Inoue
-
Publication number: 20240064895Abstract: A circuit board having electrodes has good thermal conductivity and excellent voltage resistance and a method of producing the same. The circuit board includes a first ceramic layer, a second ceramic layer laminated thereon, and a first metal layer between the ceramic layers. The circuit board has a metal layer existing zone between the ceramic layers, and a metal layer non-existing zone having no metal layer between the ceramic layers. The ceramic layers join in the metal layer non-existing zone, and the second ceramic layer is a porous boron nitride layer having voids filled with a thermosetting composition cured material. The method includes disposing a second ceramic sheet on a first laminate metal layer including a first ceramic layer and the first metal layer laminated thereon, and pressurizing under heating. The second ceramic sheet is a porous boron nitride sheet having voids filled with a thermosetting composition semi-cured material.Type: ApplicationFiled: March 22, 2022Publication date: February 22, 2024Applicant: DENKA COMPANY LIMITEDInventors: Kenji MIYATA, Shohji IWAKIRI, Saori INOUE
-
Publication number: 20230271888Abstract: One aspect of the present disclosure provides a production method for a composite, the method including: a cooling step of performing cooling under a pressurized condition in a state where a heated molten material of a thermosetting composition is brought into contact with a resin-impregnated body, in which the above-described resin-impregnated body includes a nitride sintered body having a porous structure and a semi-cured product of the thermosetting composition impregnated into the above-described nitride sintered body.Type: ApplicationFiled: May 13, 2021Publication date: August 31, 2023Applicant: Denka Company LimitedInventors: Nobuya SUZUKI, Saori INOUE, Yasuhisa UESHIMA, Ryo YOSHIMATSU, Ryuji KOGA
-
Publication number: 20230227370Abstract: One aspect of the present disclosure provides a composite body including: a nitride sintered body having a porous structure; and a semi-cured product of a thermosetting composition impregnated into the above-described nitride sintered body, in which dielectric breakdown voltage is 4.5 kV or higher.Type: ApplicationFiled: May 13, 2021Publication date: July 20, 2023Applicant: Denka Company LimitedInventors: Nobuya SUZUKI, Saori INOUE, Yasuhisa UESHIMA, Ryo YOSHIMATSU, Ryuji KOGA
-
Publication number: 20230122917Abstract: An aspect of the present invention provides a semi-cured product composite containing: a porous body; and a semi-cured product of a thermally curable composition impregnated in the porous body, wherein the thermally curable composition contains an epoxy compound and a cyanate compound, and an equivalent ratio of an epoxy group of the epoxy compound to a cyanate group of the cyanate compound in the thermally curable composition is 1.0 or more.Type: ApplicationFiled: March 29, 2021Publication date: April 20, 2023Applicant: Denka Company LimitedInventors: Eri KANEKO, Mana OKI, Saori INOUE, Kohji TSUJI
-
Publication number: 20220410530Abstract: One aspect of the present invention provides a composite sheet which comprises a nitride sintered body having a porous structure and a semi-cured product of a thermosetting resin composition impregnated into the nitride sintered body, the line roughness Rz specified by JIS B 0601:2013 of at least one main surface being 10 ?m or less.Type: ApplicationFiled: October 21, 2020Publication date: December 29, 2022Applicant: Denka Company LimitedInventors: Yoshitaka MINAKATA, Tomoya YAMAGUCHI, Saori INOUE
-
Patent number: 11492299Abstract: A nitride-based ceramics resin composite body having thermal conductivity, electrical insulation, and adhesion to adherends equal to conventional products, and having improved heat resistance reliability during the reflow process, and a thermal conductive insulating adhesive sheet using the same are provided. A nitride-based ceramics resin composite body in which a thermosetting resin composition is impregnated in a porous nitride-based ceramics sintered body is provided. The thermosetting resin composition includes a specific epoxy resin and a bismaleimide triazine resin, and a water absorption of the thermosetting resin composition in a completely cured state measured in accordance with method A in JIS K7209 (2000) is 1% by mass or less.Type: GrantFiled: December 5, 2018Date of Patent: November 8, 2022Assignee: DENKA COMPANY LIMITEDInventors: Yoshitaka Minakata, Eri Sasaki, Toshitaka Yamagata, Saori Inoue, Ryo Yoshimatu, Ryuji Koga
-
Publication number: 20220250994Abstract: One aspect of the present invention is a method for producing a composite, including a step of placing a porous boron nitride sintered body immersed in a resin composition under a pressurized condition and then placing the boron nitride sintered body immersed in the resin composition under a pressure condition lower than the pressurized condition, wherein the step is repeated a plurality of times.Type: ApplicationFiled: March 26, 2020Publication date: August 11, 2022Applicant: Denka Company LimitedInventors: Saori INOUE, Shoji IWAKIRI, Yoshitaka MINAKATA, Ryo YOSHIMATSU, Ryuji KOGA, Tomoya YAMAGUCHI
-
Publication number: 20220194870Abstract: The present disclosure provides a composite including a nitride sintered body having a porous structure and a semi-cured product of a heat-curable composition impregnated into the nitride sintered body, wherein a dielectric breakdown voltage obtainable after disposing the composite between adherends, heating and pressurizing the composite for 5 minutes under the conditions of 200° C. and 10 MPa, and further heating the composite for 2 hours under the conditions of 200° C. and atmospheric pressure, is greater than 5 kV.Type: ApplicationFiled: March 25, 2020Publication date: June 23, 2022Applicant: Denka Company LimitedInventors: Yoshitaka MINAKATA, Eri SASAKI, Saori INOUE, Mana OKI
-
Publication number: 20220177375Abstract: One aspect of the present invention is a composite including: a porous boron nitride sintered body; and a resin filled in pores of the boron nitride sintered body, wherein the boron nitride sintered body has an average pore diameter of 3.5 ?m or less.Type: ApplicationFiled: March 26, 2020Publication date: June 9, 2022Applicant: Denka Company LimitedInventors: Saori INOUE, Shoji IWAKIRI, Yoshitaka MINAKATA, Ryo YOSHIMATSU, Ryuji KOGA, Tomoya YAMAGUCHI
-
Patent number: 11034623Abstract: A thermal conductive member includes: first and second surface layers including an insulating material A, and an intermediate layer including an insulating material B. The insulating material A includes a first boron nitride sintered body having an orientation degree of hexagonal boron nitride primary particles of 0.6 to 1.4, and a first heat curable resin composition impregnating in the first boron nitride sintered body. The insulating material B includes a second boron nitride sintered body having an orientation degree of hexagonal boron nitride primary particles of 0.01 to 0.05, and a second heat curable resin composition impregnating in the second boron nitride sintered body.Type: GrantFiled: March 28, 2018Date of Patent: June 15, 2021Assignee: DENKA COMPANY LIMITEDInventors: Saori Inoue, Toshitaka Yamagata, Yoshitaka Minakata, Ryo Yoshimatsu, Ryuji Koga
-
Publication number: 20210032171Abstract: A nitride-based ceramics resin composite body having thermal conductivity, electrical insulation, and adhesion to adherends equal to conventional products, and having improved heat resistance reliability during the reflow process, and a thermal conductive insulating adhesive sheet using the same are provided. A nitride-based ceramics resin composite body in which a thermosetting resin composition is impregnated in a porous nitride-based ceramics sintered body is provided. The thermosetting resin composition includes a specific epoxy resin and a bismaleimide triazine resin, and a water absorption of the thermosetting resin composition in a completely cured state measured in accordance with method A in JIS K7209 (2000) is 1% by mass or less.Type: ApplicationFiled: December 5, 2018Publication date: February 4, 2021Applicant: DENKA COMPANY LIMITEDInventors: Yoshitaka MINAKATA, Eri SASAKI, Toshitaka YAMAGATA, Saori INOUE, Ryo YOSHIMATU, Ryuji KOGA
-
Publication number: 20200406586Abstract: A ceramic-metal temporary bonding body to inhibit breakage and degradation of a ceramic resin composite having low strength includes: a ceramic resin composite in which a non-oxide ceramic sintered body is impregnated with a thermosetting resin composition having cyanate groups in such a manner that a degree of cure calculated by differential scanning calorimetry is 5.0% or more and 70% or less; and a metal plate temporarily bonded to at least one surface of the ceramic resin composite. A shear bond strength between the ceramic resin composite and the metal plate is 0.1 MPa or more and 1.0 MPa or less.Type: ApplicationFiled: March 6, 2019Publication date: December 31, 2020Applicant: DENKA COMPANY LIMITEDInventors: Yoshitaka MINAKATA, Toshitaka YAMAGATA, Saori INOUE, Ryo YOSHIMATU, Ryuji KOGA
-
Patent number: 10615096Abstract: Provided is a heat dissipation structure for an electric circuit device excellent in mass-productivity and heat radiation performance. A heat dissipation structure for an electric circuit device, the structure including a layered structure comprising: a heatsink exposed on the electric circuit device; a thermal conductive member; and a cooler, wherein the thermal conductive member is a ceramic-resin composite in which a resin composition is impregnated in a ceramic sintered body, the ceramic sintered body comprising ceramic primary particles integrated into a three-dimensional structure, and wherein the thermal conductive member is arranged such that the thermal conductive member directly contacts with at least one of the heatsink and the cooler.Type: GrantFiled: August 2, 2017Date of Patent: April 7, 2020Assignee: DENKA COMPANY LIMITEDInventors: Toshitaka Yamagata, Saori Inoue, Hideki Hirotsuru, Ryoh Yoshimatu, Ryuji Koga
-
Publication number: 20200031723Abstract: A thermal conductive member includes: first and second surface layers including an insulating material A, and an intermediate layer including an insulating material B. The insulating material A includes a first boron nitride sintered body having an orientation degree of hexagonal boron nitride primary particles of 0.6 to 1.4, and a first heat curable resin composition impregnating in the first boron nitride sintered body. The insulating material B includes a second boron nitride sintered body having an orientation degree of hexagonal boron nitride primary particles of 0.01 to 0.05, and a second heat curable resin composition impregnating in the second boron nitride sintered body.Type: ApplicationFiled: March 28, 2018Publication date: January 30, 2020Applicant: DENKA COMPANY LIMITEDInventors: Saori INOUE, Toshitaka YAMAGATA, Yoshitaka MINAKATA, Ryo YOSHIMATSU, Ryuji KOGA
-
Patent number: 10519370Abstract: An object of the present invention is to provide a red phosphor, a light emitting element using the phosphor, and a light emitting device using the light emitting element. A phosphor represented by the general formula: Cax+yEuySiAlN3 in which x+y is 1.0 or more and 1.1 or less, y is 0.004 or more and 0.012 or less, the phosphor being activated with Eu, and some of the Ca element(s) being substituted with the Eu element(s), wherein the phosphor has a lattice constant a of 0.9747 nm or more and 0.9770 nm or less, and a lattice constant c of 0.5050 nm or more and 0.5055 nm or less, and wherein the phosphor has a Ca content of 27.8% by mass or more and 28.8% by mass or less, a dissolved oxygen content in the phosphor of 0.3% by mass or more and 1.2% by mass or less, and an Eu content of 0.4% by mass or more and 1.2% by mass or less.Type: GrantFiled: December 16, 2015Date of Patent: December 31, 2019Assignee: Denka Company LimitedInventors: Saori Inoue, Tomohiro Nomiyama
-
Patent number: 10487013Abstract: Provided is a ceramic-resin composite body that has good mass productivity and product properties (heat dissipation properties, insulation properties and adhesive properties), and particularly a ceramic-resin composite that can dramatically improve the heat dissipation properties for electronic devices. The ceramic-resin composite body includes: 35 to 70% by volume of a sintered body having a monolithic structure in which non-oxide ceramic primary particles having an average major diameter of from 3 to 60 ?m and an aspect ratio of from 5 to 30 are three-dimensionally continuous; and 65 to 30% by volume of a thermosetting resin composition having an exothermic onset temperature of 180° C. or more and a curing rate of from 5 to 60% as determined with a differential scanning calorimeter, and having a number average molecular weight of from 450 to 4800, wherein the sintered body is impregnated with the thermosetting resin composition.Type: GrantFiled: March 10, 2017Date of Patent: November 26, 2019Assignee: Denka Company LimitedInventors: Taiki Nishi, Hideki Hirotsuru, Toshikatsu Mitsunaga, Saori Inoue
-
Publication number: 20190189534Abstract: Provided is a heat dissipation structure for an electric circuit device excellent in mass-productivity and heat radiation performance. A heat dissipation structure for an electric circuit device, the structure including a layered structure comprising: a heatsink exposed on the electric circuit device; a thermal conductive member; and a cooler, wherein the thermal conductive member is a ceramic-resin composite in which a resin composition is impregnated in a ceramic sintered body, the ceramic sintered body comprising ceramic primary particles integrated into a three-dimensional structure, and wherein the thermal conductive member is arranged such that the thermal conductive member directly contacts with at least one of the heatsink and the cooler.Type: ApplicationFiled: August 2, 2017Publication date: June 20, 2019Applicant: Denka Company LimitedInventors: Toshitaka YAMAGATA, Saori INOUE, Hideki HIROTSURU, Ryoh YOSHIMATU, Ryuji KOGA
-
Publication number: 20190092695Abstract: Provided is a ceramic-resin composite body that has good mass productivity and product properties (heat dissipation properties, insulation properties and adhesive properties), and particularly a ceramic-resin composite that can dramatically improve the heat dissipation properties for electronic devices. The ceramic-resin composite body includes: 35 to 70% by volume of a sintered body having a monolithic structure in which non-oxide ceramic primary particles having an average major diameter of from 3 to 60 ?m and an aspect ratio of from 5 to 30 are three-dimensionally continuous; and 65 to 30% by volume of a thermosetting resin composition having an exothermic onset temperature of 180° C. or more and a curing rate of from 5 to 60% as determined with a differential scanning calorimeter, and having a number average molecular weight of from 450 to 4800, wherein the sintered body is impregnated with the thermosetting resin composition.Type: ApplicationFiled: March 10, 2017Publication date: March 28, 2019Inventors: Taiki Nishi, Hideki Hirotsuru, Toshikatsu Mitsunaga, Saori Inoue
-
Publication number: 20180265781Abstract: An object of the present invention is to provide a red phosphor, a light emitting element using the phosphor, and a light emitting device using the light emitting element. A phosphor represented by the general formula: Cax+yEuySiAlN3 in which x+y is 1.0 or more and 1.1 or less, y is 0.004 or more and 0.012 or less, the phosphor being activated with Eu, and some of the Ca element(s) being substituted with the Eu element(s), wherein the phosphor has a lattice constant a of 0.9747 nm or more and 0.9770 nm or less, and a lattice constant c of 0.5050 nm or more and 0.5055 nm or less, and wherein the phosphor has a Ca content of 27.8% by mass or more and 28.8% by mass or less, a dissolved oxygen content in the phosphor of 0.3% by mass or more and 1.2% by mass or less, and an Eu content of 0.4% by mass or more and 1.2% by mass or less.Type: ApplicationFiled: December 16, 2015Publication date: September 20, 2018Applicant: Denka Company LimitedInventors: Saori Inoue, Tomohiro Nomiyama