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    • 1. 发明授权
    • Storage medium in which data for designing an integrated circuit is stored and method of fabricating an integrated circuit
    • 存储用于设计集成电路的数据的存储介质和制造集成电路的方法
    • US06654945B1
    • 2003-11-25
    • US09913021
    • 2001-10-12
    • Katsutoshi NakayamaSatoshi KojimaSyouhei Oda
    • Katsutoshi NakayamaSatoshi KojimaSyouhei Oda
    • G06F1750
    • G06F17/5045
    • Data of an IP module (1) has a hardware part for defining a layout pattern of a first circuit (2) in an integrated circuit and a software part (information described in an HDL or the like) for determining the function of a second circuit (3), and also has connection information for specifying the relation of connecting the first and second circuits. Since a part requiring adjustment such as an interface part takes the form of a software part and has data and the degree of freedom, at the time of designing an integrated circuit, partial modification such as promotion of reduction in power consumption or reduction in chip occupying area in accordance with an external load can be easily made on past design asset data. Therefore, by loading the data from the storage medium into a computer and using the data for designing of an integrated circuit, the functions and performances of the circuit can be guaranteed more than the case where all of modules are software modules, the degree of freedom in designing is higher than the case where all of modules are hardware modules, and the number of designing steps can be also reduced.
    • IP模块(1)的数据具有用于定义集成电路中的第一电路(2)的布局图案的硬件部分和用于确定第二电路的功能的软件部分(HDL等中描述的信息) (3),并且还具有用于指定连接第一和第二电路的关系的连接信息。 由于需要调整的部件如接口部分具有软件部件的形式,并且具有数据和自由度,因此在设计集成电路时,部分修改如促进功耗降低或芯片占用减少 根据外部负载的区域可以容易地在过去的设计资产数据上进行。 因此,通过将数据从存储介质加载到计算机中并使用集成电路设计数据,可以保证电路的功能和性能比所有模块都是软件模块,自由度 在设计中高于所有模块都是硬件模块的情况,并且还可以减少设计步骤的数量。
    • 3. 发明授权
    • Spark plug having shaped insulator
    • 具有成型绝缘体的火花塞
    • US08629605B2
    • 2014-01-14
    • US13266544
    • 2010-04-30
    • Kohei KatsurayaHiroyuki KamedaKatsutoshi Nakayama
    • Kohei KatsurayaHiroyuki KamedaKatsutoshi Nakayama
    • H01T13/20H01T13/14
    • H01T13/20H01T13/32
    • A spark plug includes a center electrode extending in an axial direction; an insulator formed externally of the outer circumference of the center electrode; a metallic shell formed externally of the outer circumference of the insulator and having a ledge which supports the insulator; and a ground electrode joined to the metallic shell. The insulator has a support portion which faces the ledge. A “frontward direction” is defined as the direction parallel to the axial direction toward a spark portion formed between the center electrode and the ground electrode. The insulator has a diameter reduction portion whose outside diameter reduces along the frontward direction from the support portion, and a diameter increase portion whose outside diameter increases along the frontward direction from the front end of the diameter reduction portion. This restrains the generation of leak current while maintaining heat resistance of the spark plug.
    • 火花塞包括沿轴向延伸的中心电极; 绝缘体,形成在中心电极的外周的外侧; 金属外壳,形成在绝缘体的外周的外部,并具有支撑绝缘体的凸缘; 和与金属壳接合的接地电极。 绝缘体具有面向突出部的支撑部。 “向前方向”被定义为朝向形成在中心电极和接地电极之间的火花部分的轴向平行的方向。 该绝缘体具有直径减小部分,该直径减小部分的外径沿着从支撑部分的向前方向减小,并且其直径从直径减小部分的前端沿着向前方向增加的直径增大部分。 这样可以在保持火花塞的耐热性的同时抑制泄漏电流的产生。
    • 5. 发明申请
    • IGNITION PLUG AND IGNITION APPARATUS
    • 点火插头和点火装置
    • US20130033188A1
    • 2013-02-07
    • US13565937
    • 2012-08-03
    • Kohei KatsurayaTatsunori YamadaKatsutoshi Nakayama
    • Kohei KatsurayaTatsunori YamadaKatsutoshi Nakayama
    • H01T13/34F02P3/01
    • H01T13/34H01T13/20
    • A technique for lowering power loss involved in supply of high-frequency electric power to an ignition plug. The ignition plug includes a tubular insulator having an axial bore extending therethrough; a center electrode disposed in the axial bore; a metal terminal disposed rearward of the center electrode in the axial bore, electrically connected to the center electrode, and supplied with high-frequency electric power from an external source; a metallic shell disposed to circumferentially surround the insulator; and a ground electrode electrically connected to the metallic shell and adapted to generate plasma in cooperation with the center electrode through supply of high-frequency electric power to the metal terminal. At least a portion of the inner surface of the axial bore is coated with metal coating. The center electrode and the metal terminal are in electrical contact with the metal coating.
    • 一种用于降低向火花塞供应高频电力的功率损耗的技术。 火花塞包括具有延伸穿过其中的轴向孔的管状绝缘体; 设置在所述轴向孔中的中心电极; 金属端子,其设置在所述轴向孔中的所述中心电极的后方,与所述中心电极电连接,并从外部源供给高频电力; 设置成周向包围绝缘体的金属壳; 以及电连接到所述金属壳并且适于通过向所述金属端子提供高频电力而与所述中心电极协作产生等离子体的接地电极。 轴向孔的内表面的至少一部分涂覆有金属涂层。 中心电极和金属端子与金属涂层电接触。
    • 6. 发明授权
    • Spark plug
    • 火花塞
    • US08354782B2
    • 2013-01-15
    • US13061991
    • 2010-07-12
    • Nobuaki SakayanagiKatsutoshi Nakayama
    • Nobuaki SakayanagiKatsutoshi Nakayama
    • H01T13/20
    • H01T21/02H01T13/39
    • Separation of a noble metal tip is prevented and wear resistance is enhanced, while the increase in manufacturing cost is suppressed. A spark plug 1 includes a center electrode 5 and a noble metal tip 31. The center electrode 5 and the noble metal tip 31 are joined to each other through a molten portion 35. An area of an interface between the noble metal tip 31 and the center electrode 5 is set to be 5% or less with respect to a cross-sectional area of the noble metal tip 31 which is perpendicular to an axial line CL1 at a portion of an outer surface of the noble metal tip 31 which is nearest to the molten portion 35. In the cross section including the axial line CL1, supposing that a length of the portion of the molten portion 35 in the axial line CL1 which is exposed to the outer surface is A (mm), and a width of the noble metal tip 31 is B (mm), B/A≦6 is satisfied. The portion of the molten portion 35, of which a length along the axial line CL1 is A/1.5, is located further outwards radially than a position which comes in by as much as B/4 from the outer circumference of the noble metal tip 31.
    • 防止贵金属端头的分离,并且抑制了制造成本的增加,从而提高了耐磨性。 火花塞1包括中心电极5和贵金属电极头31.中心电极5和贵金属电极头31通过熔融部分35相互连接。贵金属电极头31和贵金属电极头31之间的界面区域 中心电极5相对于贵金属电极头31的与贵金属电极头31的外表面的最接近的部分垂直的轴线CL1的横截面面积设定为5%以下 熔融部分35.在包括轴线CL1的横截面中,假设暴露于外表面的轴线CL1中的熔融部分35的部分的长度为A(mm),宽度为 贵金属端头31是B(mm),B / A& nlE; 6。 沿轴线CL1的长度为A / 1.5的熔融部分35的部分比从贵金属电极头31的外圆周方向进入B / 4的位置更向外径向 。
    • 7. 发明授权
    • Spark plug
    • 火花塞
    • US08264131B2
    • 2012-09-11
    • US13143220
    • 2010-08-23
    • Nobuaki SakayanagiKatsutoshi Nakayama
    • Nobuaki SakayanagiKatsutoshi Nakayama
    • H01T13/20
    • H01T13/32F02P13/00H01T13/20
    • Peeling resistance of a noble metal chip is improved by reducing a difference in the thermal stress generated between the noble metal chip and a ground electrode. A spark plug 1 includes an insulator 2, a center electrode 5, a metal shell 3, and a ground electrode 27, wherein a spark discharge gap 33 is formed between the center electrode 5 and the noble metal chip 41 bonded to the ground electrode 27. The ground electrode 27 is provided with a concave hole portion 43, and 70% or more of the noble metal chip 41 is bonded to the hole portion 43 of the ground electrode 27 through a fusion portion 35 formed by fusing the noble metal chip and the ground electrode 27 to each other by emitting a laser beam or the like from the side surface of the noble metal chip. A gap 45 is formed between the noble metal chip 41 and at least a part of an inner wall surface 43 S of the hole portion 43 so as to be more than 0 mm and equal to or less than 1.0 mm in the direction perpendicular to the central axis CL2 of the noble metal chip 41.
    • 通过减少在贵金属芯片和接地电极之间产生的热应力的差异,可以提高贵金属芯片的剥离性。 火花塞1包括绝缘体2,中心电极5,金属壳3和接地电极27,其中在中心电极5和接合到接地电极27的贵金属芯片41之间形成火花放电间隙33 接地电极27设有凹部43,贵金属芯片41的70%以上通过将贵金属芯片熔合而形成的熔融部35与接地电极27的孔部43接合, 接地电极27通过从贵金属芯片的侧表面发射激光束等而彼此连接。 在贵金属芯片41与孔部43的内壁面43S的至少一部分之间形成间隙45,使其大致为0mm以上且1.0mm以下。 贵金属芯片41的中心轴线CL2。
    • 9. 发明申请
    • SPARK PLUG AND METHOD OF MANUFACTURING THE SAME
    • 火花塞及其制造方法
    • US20110133625A1
    • 2011-06-09
    • US12960105
    • 2010-12-03
    • Nobuaki SAKAYANAGIKatsutoshi Nakayama
    • Nobuaki SAKAYANAGIKatsutoshi Nakayama
    • H01T13/20H01T21/02
    • H01T13/32H01T21/02
    • A spark plug (1) including a noble metal tip joined to a ground electrode and forming a spark discharge gap in cooperation with a center electrode. A surface of the noble metal tip which forms the gap has an area of 0.9 mm2 or greater. The noble metal tip (32) is joined to the ground electrode (27) via a fusion zone (35) formed by irradiating at least one surface among a distal end surface and side surfaces of the ground electrode with a laser beam or an electron beam. Further, as viewed on a projection plane orthogonal to a center axis of the noble metal tip and on which the noble metal tip and the fusion zone are projected along the center axis, an overlapping region between the noble metal tip (32) and the fusion zone accounts for 70% or more of a projected region of the noble metal tip.
    • 一种火花塞(1),其包括接合到接地电极的贵金属端头,并与中心电极协作形成火花放电间隙。 形成间隙的贵金属端头的表面的面积为0.9mm 2以上。 贵金属端头(32)经由熔融区域(35)接合到接地电极(27),熔融区域(35)通过用激光束或电子束照射接地电极的远端表面和侧表面中的至少一个表面而形成 。 此外,如果在与贵金属电极头的中心轴正交并且贵金属电极头和熔融区域沿着中心轴突出的投影平面上观察,则贵金属电极头(32)与熔融体 贵金属尖端的投影区域占70%以上。