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公开(公告)号：US07638737B2
公开(公告)日：2009-12-29
申请号：US11452929
申请日：2006-06-15
摘要： A ceramic-metal assembly including: a ceramic base; an electrode pad provided on a surface of the ceramic base; a connection terminal for external electrical connection; and a joining portion which joins the connection terminal to the electrode pad. The electrode pad has a first layer which is in contact with the ceramic base and a second layer which is in contact with the joining portion. The first layer contains 20 to 50 vol % of a ceramic component, and the second layer contains a component of the joining portion.
摘要翻译： 一种陶瓷金属组件，包括：陶瓷基体; 设置在陶瓷基体的表面上的电极焊盘; 用于外部电连接的连接端子; 以及将连接端子连接到电极焊盘的接合部。 电极焊盘具有与陶瓷基体接触的第一层和与接合部分接触的第二层。 第一层含有20〜50体积％的陶瓷成分，第二层含有接合部的成分。
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公开(公告)号：US20060283849A1
公开(公告)日：2006-12-21
申请号：US11452929
申请日：2006-06-15
IPC分类号： H05B3/68
摘要： A ceramic-metal assembly including: a ceramic base; an electrode pad provided on a surface of the ceramic base; a connection terminal for external electrical connection; and a joining portion which joins the connection terminal to the electrode pad. The electrode pad has a first layer which is in contact with the ceramic base and a second layer which is in contact with the joining portion. The first layer contains 20 to 50 vol % of a ceramic component, and the second layer contains a component of the joining portion.
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公开(公告)号：US08564184B2
公开(公告)日：2013-10-22
申请号：US13497904
申请日：2010-06-23
申请人： Hirokazu Kurono , Toshitaka Honda , Katsuya Takaoka , Hiroki Takeuchi , Kuniharu Tanaka , Takeshi Mitsuoka
发明人： Hirokazu Kurono , Toshitaka Honda , Katsuya Takaoka , Hiroki Takeuchi , Kuniharu Tanaka , Takeshi Mitsuoka
CPC分类号： H01T13/36 , C04B35/117 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3222 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3418 , C04B2235/5436 , C04B2235/5445 , C04B2235/604 , C04B2235/77 , C04B2235/963 , H01T13/38 , H01T21/02
摘要： A spark plug that is equipped with an insulator that has a stem portion on a front end side, a center electrode, and a main metal member that retains the insulator at an engaging projection portion, wherein an inner diameter DIN of the engaging projection portion, the maximum outer diameter dOUT of the stem portion, which faces an inner circumferential surface of the engaging projection portion, its inner diameter dIN, and dielectric constant ∈ of the insulator satisfy the condition of “(DIN−dOUT)/2≦0.40 (mm)”, “(dOUT−dIN)/2≦1.65 (mm)”, and “∈≧9.4”.
摘要翻译： 一种火花塞，其配备有在前端侧具有杆部的绝缘体，中心电极和将绝缘体保持在接合突出部的主金属构件，其中，接合突起部的内径DIN， 杆部的面向接合突出部的内周面的最大外径dOUT，其内径dIN和绝缘体的介电常数E满足条件“（DIN- dOUT )/2@0.40（mm） ）“，”（dOUT-dIN)/2@1.65（mm）“，”E“= 9.4”。
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公开(公告)号：US08992752B2
公开(公告)日：2015-03-31
申请号：US13401221
申请日：2012-02-21
申请人： Masaki Onkawa , Shigehiro Otsuka , Seiji Oya , Satoshi Teramoto , Kuniharu Tanaka , Takeshi Mitsuoka
发明人： Masaki Onkawa , Shigehiro Otsuka , Seiji Oya , Satoshi Teramoto , Kuniharu Tanaka , Takeshi Mitsuoka
IPC分类号： G01N27/407
CPC分类号： G01N27/4077
摘要： There is provided a gas sensor element for detecting the concentration of a specific gas component in gas under measurement, which includes a plate-shaped element body and a porous protection layer. The element body has, at one end portion thereof, a gas sensing portion formed with a solid electrolyte substrate and a pair of electrodes. The porous protection layer has a porous structure formed of ceramic particles and surrounds at least the circumference of the one end portion of the element body. In the present invention, the porous protection layer has an inner region, an intermediate region and an outer region laminated together in order of mention from the element body toward the outside. The intermediate region has a porosity lower than those of the inner and outer regions. There is also provided a gas sensor with such a gas sensor element.
摘要翻译： 提供了一种气体传感器元件，用于检测测量气体中特定气体成分的浓度，包括板状元件体和多孔保护层。 元件体的一端具有形成有固体电解质基板和一对电极的气体检测部。 多孔保护层具有由陶瓷颗粒形成的多孔结构，并且至少包围元件主体的一个端部的周边。 在本发明中，多孔保护层具有从元件体朝向外侧依次层叠的内部区域，中间区域和外部区域。 中间区域的孔隙率低于内部和外部区域的孔隙率。 还提供了具有这种气体传感器元件的气体传感器。
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公开(公告)号：US20120262049A1
公开(公告)日：2012-10-18
申请号：US13497904
申请日：2010-06-23
申请人： Hirokazu Kurono , Toshitaka Honda , Katsuya Takaoka , Hiroki Takeuchi , Kuniharu Tanaka , Takeshi Mitsuoka
发明人： Hirokazu Kurono , Toshitaka Honda , Katsuya Takaoka , Hiroki Takeuchi , Kuniharu Tanaka , Takeshi Mitsuoka
CPC分类号： H01T13/36 , C04B35/117 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3222 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3418 , C04B2235/5436 , C04B2235/5445 , C04B2235/604 , C04B2235/77 , C04B2235/963 , H01T13/38 , H01T21/02
摘要： A spark plug that is equipped with an insulator that has a stem portion on a front end side, a center electrode, and a main metal member that retains the insulator at an engaging projection portion, wherein an inner diameter DIN of the engaging projection portion, the maximum outer diameter dOUT of the stem portion, which faces an inner circumferential surface of the engaging projection portion, its inner diameter dIN, and dielectric constant ∈ of the insulator satisfy the condition of “(DIN−dOUT)/2≦0.40 (mm)”, “(dOUT−dIN)/2≦1.65 (mm)”, and “∈≧9.4”.
摘要翻译： 一种火花塞，其配备有在前端侧具有杆部的绝缘体，中心电极和将绝缘体保持在接合突出部的主金属构件，其中，接合突起部的内径DIN， 面向接合突起部的内周面的杆部的最大外径dOUT，绝缘体的内径dIN和介电常数ε满足条件（DIN-dOUT）/2≦̸0.40（mm） ，（dOUT-dIN）/2≦̸1.65（mm），∈≥9.4。
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公开(公告)号：US08278809B2
公开(公告)日：2012-10-02
申请号：US13257709
申请日：2010-03-09
申请人： Hirokazu Kurono , Toshitaka Honda , Katsuya Takaoka , Hiroki Takeuchi , Kuniharu Tanaka , Takeshi Mitsuoka
发明人： Hirokazu Kurono , Toshitaka Honda , Katsuya Takaoka , Hiroki Takeuchi , Kuniharu Tanaka , Takeshi Mitsuoka
CPC分类号： C04B35/113 , C04B35/117 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3222 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3418 , C04B2235/5436 , C04B2235/80 , C04B2235/96 , H01T13/38
摘要： A spark plug exhibits a satisfactory withstand voltage characteristic and sufficient mechanical strength in a high temperature environment exceeding 700° C. The spark plug has a center electrode, an insulator, and a ground electrode, characterized in that the insulator is formed of an alumina-based sintered material containing an Si component, a Group 2 element (2A) component, and a rare earth element (RE) component; that the alumina-based sintered material has an RE-β-alumina crystal phase; and that the mean crystal grain size DA(RE) of the RE-β-alumina crystal phase and that of alumina DA(Al) satisfy the following relationship (1): 0.2≦DA(RE)/DA(Al)≦3.0.
摘要翻译： 火花塞在超过700℃的高温环境中表现出令人满意的耐电压特性和足够的机械强度。火花塞具有中心电极，绝缘体和接地电极，其特征在于绝缘体由氧化铝 - 含有Si成分，第2族元素（2A）成分和稀土元素（RE）成分的烧结体; 氧化铝基烧结材料具有RE-＆BGR--氧化铝结晶相; 并且氧化铝DA（Al）的平均晶粒尺寸DA（RE）满足以下关系式（1）：0.2＆nlE; DA（RE）/ DA（Al）＆nlE ; 3.0。
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公开(公告)号：US08889577B2
公开(公告)日：2014-11-18
申请号：US13879724
申请日：2012-07-06
申请人： Jun Moteki , Yusuke Katsu , Kuniharu Tanaka , Takeshi Mitsuoka , Yoshihiro Kuroki , Hironobu Kusanagi
发明人： Jun Moteki , Yusuke Katsu , Kuniharu Tanaka , Takeshi Mitsuoka , Yoshihiro Kuroki , Hironobu Kusanagi
IPC分类号： C04B35/119 , B23B27/14 , C04B35/626 , C04B35/645 , C04B35/488
CPC分类号： B23B27/148 , C04B35/119 , C04B35/4885 , C04B35/62695 , C04B35/6455 , C04B2235/3208 , C04B2235/3225 , C04B2235/3262 , C04B2235/3418 , C04B2235/72 , C04B2235/765 , C04B2235/785 , C04B2235/85 , C04B2235/96 , Y10T407/27
摘要： A sintered body containing alumina crystal particles and zirconia crystal particles as main components includes the tetragonal crystal particles as the zirconia crystal particles. The zirconia crystal particles satisfy relations 0%≦A≦3%, 3%≦B≦22% and 77%≦C≦96%,where A, B and C are as defined herein.
摘要翻译： 包含氧化铝晶体颗粒和氧化锆晶体颗粒作为主要成分的烧结体包括作为氧化锆结晶颗粒的四方晶体颗粒。 氧化锆晶体颗粒满足关系0％＆nlE; A＆lt; NlE; 3％，3％＆nlE; B＆nlE; 22％和77％＆amp; C; N; E; 96％，其中A，B和C如本文所定义。
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公开(公告)号：US08390183B2
公开(公告)日：2013-03-05
申请号：US12598482
申请日：2009-03-26
申请人： Hirokazu Kurono , Toshitaka Honda , Hiroki Takeuchi , Takeshi Mitsuoka , Kuniharu Tanaka , Kazunari Miyata , Katsuya Takaoka
发明人： Hirokazu Kurono , Toshitaka Honda , Hiroki Takeuchi , Takeshi Mitsuoka , Kuniharu Tanaka , Kazunari Miyata , Katsuya Takaoka
IPC分类号： H01T21/02
CPC分类号： H01T13/38 , C04B35/111 , C04B35/6261 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3222 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3418 , C04B2235/5436 , C04B2235/656 , C04B2235/6567 , C04B2235/77 , C04B2235/786 , C04B2235/80 , C04B2235/96 , H01T21/02
摘要： This invention has an object to provide a spark plug exhibiting high withstand voltage characteristics and high strength at high temperature, formed by an alumina-based sintered body prepared with excellent processability and high productivity, and a method for manufacturing the spark plug. This invention relates to a spark plug 1 including an insulator 3, wherein the insulator 3 includes a dense alumina-based sintered body having an average crystal particle diameter of 1.50 μm or more, and the alumina-based sintered body contains Si, a Group 2 element component containing Ba and a Group 2 element other than those, and a rare earth element component, such that a ratio of a content S of the Si component to a total content of the content S and a content A of the Group 2 element component is 0.60 or more, and a method for manufacturing the spark plug 1 prepared through a grinding-shaping process in which the insulator 3 is ground before burning to shape the same.
摘要翻译： 本发明的目的是提供一种具有高耐压特性和高温强度的火花塞，由具有优异的加工性和高生产率制备的氧化铝基烧结体形成，以及一种用于制造火花塞的方法。 本发明涉及一种包括绝缘体3的火花塞1，其中绝缘体3包括平均结晶粒径为1.50μm以上的致密的氧化铝基烧结体，氧化铝基烧结体包含Si，第2组 含有Ba的元素成分和除此以外的第2族元素的元素成分和稀土元素成分，使得Si成分的含量S与含量S的总含量的比率和第2族元素成分的含量A 为0.60以上，以及通过研磨成形工序制造火花塞1的方法，其中绝缘体3在燃烧之前被磨削成形。
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公开(公告)号：US20100136867A1
公开(公告)日：2010-06-03
申请号：US12598482
申请日：2009-03-26
申请人： Hirokazu Kurono , Toshitaka Honda , Hiroki Takeuchi , Takeshi Mitsuoka , Kuniharu Tanaka , Kazunari Miyata , Katsuya Takaoka
发明人： Hirokazu Kurono , Toshitaka Honda , Hiroki Takeuchi , Takeshi Mitsuoka , Kuniharu Tanaka , Kazunari Miyata , Katsuya Takaoka
CPC分类号： H01T13/38 , C04B35/111 , C04B35/6261 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3222 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3418 , C04B2235/5436 , C04B2235/656 , C04B2235/6567 , C04B2235/77 , C04B2235/786 , C04B2235/80 , C04B2235/96 , H01T21/02
摘要： This invention has an object to provide a spark plug exhibiting high withstand voltage characteristics and high strength at high temperature, formed by an alumina-based sintered body prepared with excellent processability and high productivity, and a method for manufacturing the spark plug. This invention relates to a spark plug 1 including an insulator 3, wherein the insulator 3 includes a dense alumina-based sintered body having an average crystal particle diameter of 1.50 μm or more, and the alumina-based sintered body contains Si, a Group 2 element component containing Ba and a Group 2 element other than those, and a rare earth element component, such that a ratio of a content S of the Si component to a total content of the content S and a content A of the Group 2 element component is 0.60 or more, and a method for manufacturing the spark plug 1 prepared through a grinding-shaping process in which the insulator 3 is ground before burning to shape the same.
摘要翻译： 本发明的目的是提供一种具有高耐压特性和高温强度的火花塞，由具有优异的加工性和高生产率制备的氧化铝基烧结体形成，以及一种用于制造火花塞的方法。 本发明涉及一种包括绝缘体3的火花塞1，其中绝缘体3包括平均结晶粒径为1.50μm以上的致密的氧化铝基烧结体，氧化铝基烧结体包含Si，第2组 含有Ba的元素成分和除此以外的第2族元素的元素成分和稀土元素成分，使得Si成分的含量S与含量S的总含量的比率和第2族元素成分的含量A 为0.60以上，以及通过研磨成形工序制造火花塞1的方法，其中绝缘体3在燃烧之前被磨削成形。
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公开(公告)号：US06559579B2
公开(公告)日：2003-05-06
申请号：US09725180
申请日：2000-11-29
申请人： Hirohito Ito , Kenji Nunome , Makoto Sugimoto , Kuniharu Tanaka , Katsura Matsubara , Yoshihiro Yamamoto , Masaya Ito
发明人： Hirohito Ito , Kenji Nunome , Makoto Sugimoto , Kuniharu Tanaka , Katsura Matsubara , Yoshihiro Yamamoto , Masaya Ito
IPC分类号： H01T1320
CPC分类号： H01T13/38
摘要： An insulator for spark plug comprises an alumina-based sintered body comprising: Al2O3 as a main component; and at least one component (hereinafter referred to as “&bgr; component”) selected from the group consisting of Ca component, Sr component and Ba component, wherein the alumina-based sintered body comprises particles comprising a compound comprising the &bgr; component and Al component, the compound having a molar ratio of the Al component to the &bgr; component of 4.5 to 6.7 as calculated in terms of oxides thereof, and has a relative density of 90% or more.
摘要翻译： 一种用于火花塞的绝缘体包括：氧化铝基烧结体，其包括：Al 2 O 3作为主要成分; 以及选自由Ca成分，Sr成分和Ba成分组成的组中的至少一种成分（以下称为“β成分”），其中，所述氧化铝系烧结体包含含有β成分和Al成分的化合物的粒子， 所述化合物的Al成分与β成分的摩尔比以其氧化物计算为4.5〜6.7，相对密度为90％以上。
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