Patents Examined by Noah S Wiese
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Patent number: 11961674Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which dielectric layers and internal electrode layers are alternately stacked; wherein a main component of the dielectric layers is a ceramic material having a main phase having a perovskite structure (ABO3) wherein a B site includes an element solid-solved in the B site and acting as a donor; wherein an A site and the B site of the ceramic material includes a rare earth element, wherein (an amount of the rare earth element substitutionally solid-solved in the A site)/(an amount of the rare earth element substitutionally solid-solved in the B site) is 0.75 or more and 1.25 or less. The amount of the element acting as the donor in the B site is 0.05 to 0.3 atm % relative to a main component element of the B site.Type: GrantFiled: February 18, 2021Date of Patent: April 16, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Katsuya Taniguchi, Tsuyoshi Sogabe
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Patent number: 11890358Abstract: A method for enhancing optical properties of sintered, zirconia ceramic bodies and zirconia ceramic dental restorations is provided. The porous or pre-sintered stage of a ceramic body is treated with two different yttrium-containing compositions and sintered, resulting in sintered ceramic bodies having enhanced optical properties. The enhanced optical properties may be substantially permanent, remaining for the useful life of the sintered ceramic body.Type: GrantFiled: January 30, 2022Date of Patent: February 6, 2024Assignee: James R. Glidewell Dental Ceramics, Inc.Inventors: Jae Won Kim, Akash
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Patent number: 11890359Abstract: A composition includes granules in which zirconia particles are aggregated. The granules have an average circularity of 0.81 or greater based on a projected image.Type: GrantFiled: April 9, 2021Date of Patent: February 6, 2024Assignee: KURARAY NORITAKE DENTAL INC.Inventor: Yoshihisa Ito
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Patent number: 11887785Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which dielectric layers and internal electrode layers are alternately stacked; wherein a main component of the dielectric layers is a ceramic material having a main phase having a perovskite structure (ABO3) wherein a B site includes an element solid-solved in the B site and acting as a donor; wherein an A site and the B site of the ceramic material includes a rare earth element, wherein (an amount of the rare earth element substitutionally solid-solved in the A site)/(an amount of the rare earth element substitutionally solid-solved in the B site) is 0.75 or more and 1.25 or less. The amount of the element acting as the donor in the B site is 0.05 to 0.3 atm % relative to a main component element of the B site.Type: GrantFiled: February 18, 2021Date of Patent: January 30, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Katsuya Taniguchi, Tsuyoshi Sogabe
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Patent number: 11884594Abstract: A method of producing high strength shaped alumina by feeding alumina power into an agglomerator having a shaft with mixers able to displace the alumina power along the shaft, spraying a liquid binder onto the alumina power as it is displaced along the shaft to form a shaped alumina, and calcining the shaped alumina. The shaped alumina produced having a loose bulk density of greater than or equal to 1.20 g/ml, a surface area less than 10 m2/g, impurities of less than 5 ppm of individual metals and less than 9 ppm of impurities in total, and/or crush strength of greater than 12,000 psi.Type: GrantFiled: July 2, 2021Date of Patent: January 30, 2024Inventors: David A. Barclay, Mark M. Chavez
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Patent number: 11873258Abstract: A process of forming a Si-containing ceramic comprises forming a Si-based polymeric composition. The process includes neutralizing a charge of said Si-based polymeric composition. The process includes adding thermal energy under a controlled atmosphere to the Si-based polymeric composition. A turbine engine component comprises an airfoil and the airfoil comprises a Ceramic Matrix Composite (CMC) material.Type: GrantFiled: July 23, 2021Date of Patent: January 16, 2024Assignee: RTX CorporationInventor: Wayde R. Schmidt
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Patent number: 11858858Abstract: An ink, and products formed from the ink, formulated at least in part from ceramic particles. The ink is formulated so that it can be used in additive manufacturing processes to form three-dimensional printed bodies. The three-dimensional printed bodies can have graded density and can be infiltrated by an infiltration material.Type: GrantFiled: September 9, 2020Date of Patent: January 2, 2024Assignee: Lawrence Livermore National Security, LLCInventors: Swetha Chandrasekaran, James T. Cahill, Wyatt L. Du Frane, Joshua D. Kuntz, Richard L. Landingham, Ryan Lu, Marcus A. Worsley
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Patent number: 11851377Abstract: A method is proposed for producing a CMC-component (6) comprising at least the steps of pyrolizing (2) a green body (1; 10) made of a fiber (15)-reinforced thermoplastic material (14) and infiltrating (4) the pyrolized green body by a liquid carbide forming substance (31). The fibers (15) of the green body (1; 10) are arranged in one or several strands (16), each of these strands (16) having a main extension direction. The lengths of the fibers (15) of each strand (16) are larger than the overall length (L) of the green body (1; 10) along the main extension direction of this strand (16).Type: GrantFiled: February 11, 2019Date of Patent: December 26, 2023Assignee: SEPITEC FOUNDATIONInventors: Alberto Ortona, Albert Maria Vodermayer, Giovanni Bianchi, Martin Zakovsky
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Patent number: 11845698Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: GrantFiled: March 17, 2022Date of Patent: December 19, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Jung Deok Park, Chan Hee Nam, Dong Hun Kim
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Patent number: 11834379Abstract: Ceramic raw material powder includes: a main phase having a perovskite structure, wherein elements acting as a donor and an acceptor are solid-solved in B sites of the perovskite structure, wherein a first relationship of value A<value B is satisfied in a center region of each grain of the ceramic raw material powder; a second relationship of value A>value B is satisfied in a circumference region of each grain of the ceramic raw material powder, and value A in the second relationship gradually decreases from the circumference region to the center, wherein value A is a value of (concentration of the element acting as a donor)×(valence of the element acting as a donor?4), and value B is a value of (concentration of the element acting as an acceptor)×(4?valence of the element acting as an acceptor).Type: GrantFiled: January 18, 2022Date of Patent: December 5, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Katsuya Taniguchi, Tsuyoshi Sogabe
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Patent number: 11827572Abstract: Disclosed are compositions containing nanoparticles of a metal nitride, boride, silicide, or carbide, a filler material, and a carbonaceous matrix. The precursor to this material contains nanoparticles or particles of boron, silicon, iron, a refractory metal, or a refractory metal hydride, an organic compound having carbon and hydrogen, and a filler material. Multilayered materials are also disclosed.Type: GrantFiled: January 23, 2019Date of Patent: November 28, 2023Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Boris Dyatkin, Matthew Laskoski, William Edelen
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Patent number: 11820703Abstract: Ion-exchanged alkali aluminosilicate glass articles with a ratio of peak compressive stress value to Young's modulus value of 15 or more. The glass articles may include Al2O3 mol %+RO mol %?17 mol %, where RO mol %=MgO mol %+CaO mol %, and be substantially free of ZnO, SrO, BaO, B2O3, P2O5, Li2O, and K2O. The glass articles may have a peak compressive stress value in a range of 500 MPa to 1300 MPa. The glass articles are suitable for various high-strength applications, including cover glass applications that experience significant bending stresses during use, for example, cover glasses for flexible displays.Type: GrantFiled: October 10, 2022Date of Patent: November 21, 2023Assignee: Corning IncorporatedInventor: Peter Joseph Lezzi
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Patent number: 11817264Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.Type: GrantFiled: January 27, 2021Date of Patent: November 14, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
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Patent number: 11807581Abstract: Ultra-high temperature carbide (UHTC) foams and methods of fabricating and using the same are provided. The UHTC foams are produced in a three-step process, including UHTC slurry preparation, freeze-drying, and spark plasma sintering (SPS). The fabrication methods allow for the production of any kind of single- or multi-component UHTC foam, while also providing flexibility in the shape and size of the UHTC foams to produce near-net-shape components.Type: GrantFiled: September 16, 2022Date of Patent: November 7, 2023Assignee: THE FLORIDA INTERNATIONAL UNIVERSITY BOARD OF TRUSTEESInventors: Arvind Agarwal, Ambreen Nisar, Tony Thomas, Kazue Orikasa, Benjamin Peter Boesl
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Patent number: 11773029Abstract: A preceramic resin formulation comprising a polycarbosilane preceramic polymer, an organically modified silicon dioxide preceramic polymer, and, optionally, at least one filler. The preceramic resin formulation is formulated to exhibit a viscosity of from about 1,000 cP at about 25° C. to about 5,000 cP at a temperature of about 25° C. The at least one filler comprises first particles having an average mean diameter of less than about 1.0 ?m and second particles having an average mean diameter of from about 1.5 ?m to about 5 ?m. Impregnated fibers comprising the preceramic resin formulation are also disclosed, as is a composite material comprising a reaction product of the polycarbosilane preceramic polymer, organically modified silicon dioxide preceramic polymer, and the at least one filler. Methods of forming a ceramic matrix composite are also disclosed.Type: GrantFiled: November 12, 2020Date of Patent: October 3, 2023Assignee: Northrop Grumman Systems CorporationInventors: Benjamin W. C. Garcia, David R. Nelson
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Patent number: 11767259Abstract: A copper-doped glass formed by placing a target glass in a container, surrounding the target glass with a powder mixture comprised of SiO2 powder and Cu2S powder, wherein the SiO2 powder and the Cu2S powder are mixed according to the formula (SiO2)(1-x)(Cu2S)x, where 0.01<x<0.1, and heated to a temperature of between 800° C. and 1150° C. for a duration of between 1 and 10 hours.Type: GrantFiled: December 10, 2020Date of Patent: September 26, 2023Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
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Patent number: 11769632Abstract: A ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked, wherein a main component of the plurality of dielectric layers is BaTiO3, wherein the plurality of dielectric layers include Mn as a first sub-component, Mg as a second sub-component, a rare earth element which is at least one of Ho and Dy as a third sub-component, V as a fourth sub-component, Si as a fifth sub-component, Ca as a sixth sub-component, wherein an average grain diameter of ceramic grains of the plurality of dielectric layers is 280 nm or more and 380 nm or less.Type: GrantFiled: November 24, 2020Date of Patent: September 26, 2023Assignee: TAIYO YUDEN CO., LTD.Inventor: Kazumi Kaneda
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Patent number: 11768013Abstract: Ceramic particles for use in a solar power tower and methods for making and using the ceramic particles are disclosed. The ceramic particle can include a sintered ceramic material formed from a mixture of a raw material and MnO. The sintered ceramic material can include about 0.01 wt % to about 10 wt % MnO, about 0.1 wt % to about 20 wt % Fe2O3, and about 0.01 wt % to about 10 wt % Mn2O3. The ceramic particle can have a size from about 8 mesh to about 170 mesh.Type: GrantFiled: November 9, 2020Date of Patent: September 26, 2023Assignee: CARBO CERAMICS INC.Inventors: Claude Krause, Benjamin Eldred, Steve Canova
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Patent number: 11767268Abstract: A cubic boron nitride sintered material comprises 30% by volume or more and 99.9% by volume or less of cubic boron nitride grains and 0.1% by volume or more and 70% by volume or less of a binder phase, the cubic boron nitride grain having a carbon content of 0.08% by mass or less, the cubic boron nitride sintered material being free of free carbon.Type: GrantFiled: December 16, 2019Date of Patent: September 26, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Akito Ishii, Katsumi Okamura
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Patent number: 11760697Abstract: Provided are a dispersion for a silicon carbide sintered body having a small environmental load, high dispersibility, and excellent temporal stability, and a manufacturing method thereof. The dispersion is a dispersion for a silicon carbide sintered body, containing: silicon carbide particles; boron nitride particles; a resin having a hydroxyl group; and water, wherein the dispersion has a pH at 25° C. of less than or equal to 7.0, and the silicon carbide particles and the boron nitride particles have charges of the same sign. The dispersion is manufactured by a manufacturing method of a dispersion for a silicon carbide sintered body, including a mixing step of mixing a water dispersion containing silicon carbide particles, a water dispersion containing boron nitride particles, and an aqueous solution containing a resin having a hydroxyl group.Type: GrantFiled: March 26, 2019Date of Patent: September 19, 2023Assignee: FUJIMI INCORPORATEDInventors: Keigo Kamoshida, Souma Taguchi, Keiji Ashitaka, Naoya Miwa