公开(公告)号：US09160145B2

公开(公告)日：2015-10-13

申请号：US14273026

申请日：2014-05-08

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Katsuya Takaoka ,  Yutaka Yokoyama ,  Kengo Fujimura ,  Hironori Uegaki ,  Hiroki Takeuchi ,  Hirokazu Kurono ,  Toshitaka Honda ,  Kuniharu Tanaka ,  Takeshi Mitsuoka

IPC: H01T13/38 ,  C04B35/50 ,  C04B35/505 ,  C04B35/111

CPC classification number: H01T13/38 ,  C04B35/111 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3232 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3262 ,  C04B2235/3272 ,  C04B2235/3418 ,  C04B2235/786 ,  C04B2235/85

Abstract: An insulator for spark plug with a main constituent of alumina and containing silicon includes a grain boundary phase positioned between alumina particles. The grain boundary phase contains: a group 2A element; a rare earth element; and at least one kind of zirconium, titanium, chrome, niobium, manganese, and iron (a first element). Assuming that a total amount of the rare earth element is X (mass %), a total amount of the group 2A element is Y (mass %), and a total amount of the first element is Z (mass %), the following are met: 0.40≦Y/X≦2.00 0.10≦Z/X≦0.40.

Abstract translation: 具有主要成分为氧化铝和含硅的火花塞的绝缘体包括位于氧化铝颗粒之间的晶界相。 晶界相包含：2A族元素; 稀土元素; 和至少一种锆，钛，铬，铌，锰和铁（第一元素）。 假设稀土元素的总量为X（质量％），则2A族元素的总量为Y（质量％），第一元素的总量为Z（质量％），以下为 满足：0.40＆nlE; Y / X＆nlE; 2.00 0.10＆nlE; Z / X＆lt;

公开(公告)号：US20130104625A1

公开(公告)日：2013-05-02

申请号：US13665731

申请日：2012-10-31

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Sigehiro OTSUKA ,  Masaki ONKAWA ,  Toru IWANO ,  Satoshi TERAMOTO ,  Kuniharu TANAKA ,  Ken MITSUOKA ,  Takeshi Mitsuoka

IPC: G01N33/00

CPC classification number: G01N27/4077 ,  G01N33/0014 ,  G01N33/0037 ,  Y02A50/245

Abstract: A gas sensor element (100) includes a laminate of a detection element (300) and a heater (200), and a porous protection layer (20) covering a forward end portion thereof. The laminate has a measuring chamber (107c) into which a gas-to-be-measured is introduced via a diffusion resistor (115). The porous protection layer includes an inner porous layer (21), and an outer porous layer (23). The inner porous layer has a higher porosity than the outer porous layer and the diffusion resistor. As viewed in a plurality of 100 μm×100 μm regions a1 to a3 and b1 to b3 on sections of the inner porous layer and the diffusion resistor, respectively, a pore diameter greater than the greatest pore diameter CDIF in the regions of the diffusion resistor exists in each of the regions of the inner porous layer.

Abstract translation: 气体传感器元件（100）包括检测元件（300）和加热器（200）的层叠体，以及覆盖其前端部的多孔保护层（20）。 层压体具有经由扩散电阻器（115）引入待测气体的测量室（107c）。 多孔保护层包括内多孔层（21）和外多孔层（23）。 内部多孔层具有比外部多孔层和扩散电阻器更高的孔隙率。 从内部多孔层和扩散电阻的各部分的多个100mum×100mum区域a1〜a3，b1〜b3分别观察到，扩散电阻区域的孔径大于最大孔径CDIF 存在于内部多孔层的每个区域中。

公开(公告)号：US11063186B2

公开(公告)日：2021-07-13

申请号：US16343188

申请日：2017-10-24

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Yusuke Katsu ,  Shohei Takaku ,  Tsuneyuki Ito ,  Takeshi Mitsuoka ,  Jun Moteki

IPC: H01L33/50 ,  C04B35/50 ,  G02B5/20 ,  C09K11/08 ,  H01L33/48 ,  B32B15/04 ,  C09K11/77 ,  C09K11/02 ,  C04B35/117 ,  C04B35/44 ,  C04B35/645 ,  B32B7/027

Abstract: A method for producing an optical wavelength conversion member (9) composed of a sintered body containing, as main components, Al2O3 and a component represented by formula A3B5O12:Ce; an optical wavelength conversion member; an optical wavelength conversion component including the optical wavelength conversion member; and a light-emitting device including the optical wavelength conversion member or the optical wavelength conversion component. The production method of the sintered body includes firing in a firing atmosphere having a pressure of 104 Pa or more and an oxygen concentration of 0.8 vol. % or more and less than 25 vol. %.

公开(公告)号：US10727378B2

公开(公告)日：2020-07-28

申请号：US16342390

申请日：2017-10-20

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Shohei Takaku ,  Yusuke Katsu ,  Tsuneyuki Ito ,  Yuki Shimura ,  Takeshi Mitsuoka ,  Jun Moteki

IPC: H01L33/50 ,  C04B35/50 ,  G02B5/20

Abstract: An optical wavelength conversion member and a light-emitting device including the optical wavelength conversion member. The optical wavelength conversion member (9) is formed of a ceramic sintered body having a fluorescent phase containing fluorescent crystal grains as a main component and a translucent phase containing translucent crystal grains as a main component. Crystal grains of the fluorescent phase have a composition represented by formula A3B5O12:Ce, where the element A is selected from Sc, Y, and lanthanoids (except for Ce), and the element B is selected from Al and Ga. In the optical wavelength conversion member (9), 0.3

公开(公告)号：US09550699B2

公开(公告)日：2017-01-24

申请号：US14419511

申请日：2013-12-27

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Jun Moteki ,  Yusuke Katsu ,  Takeshi Mitsuoka

IPC: C04B35/10 ,  C04B35/56 ,  C04B35/119 ,  C04B35/626 ,  C04B35/645

CPC classification number: C04B35/10 ,  C04B35/117 ,  C04B35/119 ,  C04B35/5626 ,  C04B35/62685 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3272 ,  C04B2235/3839 ,  C04B2235/3843 ,  C04B2235/3847 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/80 ,  C04B2235/85 ,  C04B2235/96 ,  C04B2235/9607

Abstract: In a ceramic composition mainly composed of alumina (Al2O3), tungsten carbide (WC) and zirconia (ZrO2), zirconium (Zr) is distributed in a first grain boundary as an interface where an alumina (Al2O3) crystal grain is adjacent to a tungsten carbide (WC) crystal grain and in a second grain boundary as an interface where two alumina (Al2O3) crystal grains are adjacent to each other.

Abstract translation: 在主要由氧化铝（Al 2 O 3），碳化钨（WC）和氧化锆（ZrO 2）组成的陶瓷组合物中，锆（Zr）分布在作为界面的第一晶界中，其中氧化铝（Al 2 O 3）晶粒与钨 碳化物（WC）晶粒和作为其中两个氧化铝（Al 2 O 3）晶粒彼此相邻的界面的第二晶界。

公开(公告)号：US09385511B2

公开(公告)日：2016-07-05

申请号：US14420819

申请日：2013-08-23

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Hiroki Takeuchi ,  Yutaka Yokoyama ,  Kuniharu Tanaka ,  Takeshi Mitsuoka ,  Toshitaka Honda ,  Hirokazu Kurono ,  Katsuya Takaoka ,  Hironori Uegaki

IPC: C04B35/10 ,  H01T13/38 ,  C04B35/111 ,  H01T13/60 ,  G01R31/12 ,  G01R31/14

CPC classification number: H01T13/38 ,  C04B35/10 ,  C04B35/111 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3232 ,  C04B2235/3418 ,  C04B2235/3481 ,  C04B2235/80 ,  C04B2235/85 ,  G01R31/12 ,  G01R31/14 ,  H01T13/60

Abstract: A spark plug including an insulator containing an Al component, in terms of oxides, 89 mass % or more and a Ti component, in terms of oxides, more than 0 mass % and 0.2 mass % or less, characterized in that the insulator is formed of an alumina-based sintered material which contains, in a grain boundary phase present between alumina crystal grains, a first crystal phase containing at least one species selected from among an La component, an Nd component, a Pr component, a Y component, an Er component, a Yb component, and an Lu component, and a second crystal phase containing at least one species of Group 2 element components, an Al component and an Si component.

Abstract translation: 一种火花塞，其包括以氧化物计，89质量％以上的Al成分和Ti成分以氧化物计，大于等于0质量％和0.2质量％以下的绝缘体，其特征在于，形成所述绝缘体 的氧化铝系烧结体，其在存在于氧化铝晶粒之间的晶界相中含有含有选自La成分，Nd成分，Pr成分，Y成分， 铒组分，Yb组分和Lu组分，以及含有至少一种2族元素组分，Al组分和Si组分的第二晶相。

公开(公告)号：US09234870B2

公开(公告)日：2016-01-12

申请号：US14355457

申请日：2012-11-20

Applicant: NGK SPARK PLUG CO. LTD.

Inventor： Shigehiro Otsuka ,  Masaki Onkawa ,  Toru Iwano ,  Satoshi Teramoto ,  Kuniharu Tanaka ,  Takeshi Mitsuoka

IPC: G01N27/407 ,  G01N27/411

CPC classification number: G01N27/4077 ,  G01N27/4118

Abstract: A gas sensor element (100) including a detection portion (150) including a solid electrolyte body (105) and a pair of electrodes (104) and (106) disposed on the solid electrolyte body; and a porous protection layer (20) covering the detection portion. The porous protection layer includes an inner porous layer (21) and an outer porous layer (23); the inner porous layer is higher in porosity than the outer porous layer; the inner porous layer contains, as main components, ceramic particles (21a), and ceramic fiber filaments (21b) which are mainly formed of a ceramic material and which have a mean fiber length of 70 to 200 μm; and the amount of the ceramic fiber filaments is 25 to 75 vol % on the basis of the total amount of the ceramic particles and the ceramic fiber filaments, the total amount being taken as 100 vol %.

Abstract translation: 一种气体传感器元件（100），包括：检测部（150），其包括固体电解质体（105）和设置在所述固体电解质体上的一对电极（104）和（106） 以及覆盖所述检测部的多孔保护层（20）。 多孔保护层包括内部多孔层（21）和外部多孔层（23）; 内多孔层的孔隙率高于外多孔层; 内部多孔层含有主要由陶瓷材料形成且平均纤维长度为70〜200μm的陶瓷粒子（21a）和陶瓷纤维丝（21b）， 以陶瓷粒子和陶瓷纤维丝的总量计，陶瓷纤维长丝的量为25〜75体积％，总量为100体积％。

公开(公告)号：US08927447B2

公开(公告)日：2015-01-06

申请号：US14348651

申请日：2013-06-10

Applicant: NGK Spark Plug Co., Ltd.

Inventor： Jun Moteki ,  Yusuke Katsu ,  Takeshi Mitsuoka

IPC: C04B35/119 ,  C04B35/56 ,  C04B35/106 ,  C04B35/645

CPC classification number: C04B35/106 ,  B23B2226/18 ,  C04B35/119 ,  C04B35/48 ,  C04B35/5626 ,  C04B35/645 ,  C04B37/02 ,  C04B2235/3217 ,  C04B2235/3225 ,  C04B2235/3244 ,  C04B2235/3246 ,  C04B2235/3843 ,  C04B2235/3847 ,  C04B2235/3856 ,  C04B2235/3886 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6562 ,  C04B2235/72 ,  C04B2235/85 ,  C04B2235/96 ,  C04B2235/9607 ,  Y10T407/27 ,  Y10T428/268

Abstract: A ceramic sintered body includes tungsten carbide, zirconia, and alumina. The content of the tungsten carbide is 20 to 50 vol %, and the content of the zirconia is 5 to 25 vol %. The crystal phase of the zirconia is a tetragonal crystal or a mixture of tetragonal and monoclinic crystals. The ceramic sintered body does not substantially include Ti compounds. The average particle diameter of the tungsten carbide, the average particle diameter of the zirconia, and the average particle diameter of the alumina are all 1 μm or less.

Abstract translation: 陶瓷烧结体包括碳化钨，氧化锆和氧化铝。 碳化钨的含量为20〜50体积％，氧化锆的含量为5〜25体积％。 氧化锆的结晶相是四方晶体或四方晶体和单斜晶体的混合物。 陶瓷烧结体基本上不包括Ti化合物。 碳化钨的平均粒径，氧化锆的平均粒径，氧化铝的平均粒径均为1μm以下。