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    • 62. 发明申请
    • Magnetoelectric transducer and its manufacturing method
    • 磁电传感器及其制造方法
    • US20050086794A1
    • 2005-04-28
    • US10965952
    • 2004-10-18
    • Toshiaki FukunakaAtsushi Yamamoto
    • Toshiaki FukunakaAtsushi Yamamoto
    • G01R33/07H01L43/04H01L43/14H04R31/00G11B5/127
    • G01R33/07H01L43/04H01L43/14H01L2224/97Y10T29/49021
    • A ultrathin magnetoelectric transducer and its manufacturing method are provided which enable the quality of mounting to be inspected nondestructively, and can reduce a footprint. The magnetoelectric transducer has a substrate composed of a nonmagnetic substrate, and includes bottom surface connecting electrodes whose leads have a first thickness, and side electrodes which are exposed by dicing and have the first thickness. Amore sensitive Hall element has a high-permeability magnetic substrate as the substrate, and includes the bottom surface connecting electrodes whose leads have the first thickness, and the side electrodes exposed by the dicing and having the first thickness. The bottom surface connecting electrodes of the leads with the first thickness are formed across the internal electrodes of adjacent magnetoelectric transducers with maintaining the first thickness. The side electrodes with the first thickness are formed by cutting the center between the adjacent magnetoelectric transducers.
    • 提供了一种超薄磁电换能器及其制造方法,其能够非破坏性地检查安装质量,并且可以减少占地面积。 磁电换能器具有由非磁性基板构成的基板,并且包括引线具有第一厚度的底表面连接电极和通过切割而暴露并具有第一厚度的侧电极。 不敏感的霍尔元件具有高磁导率磁性基板作为基板,并且包括具有第一厚度的引线具有的底表面连接电极和通过切割而暴露并具有第一厚度的侧电极。 具有第一厚度的引线的底表面连接电极跨越相邻磁电换能器的内部电极,并保持第一厚度。 具有第一厚度的侧电极通过切割相邻磁电换能器之间的中心而形成。
    • 66. 发明授权
    • Antenna and wireless device incorporating the same
    • 天线和无线设备结合在一起
    • US06633261B2
    • 2003-10-14
    • US09988716
    • 2001-11-20
    • Hiroshi IwaiAtsushi YamamotoKoichi OgawaShinji KamaeguchiTsukasa TakahashiKenichi Yamada
    • Hiroshi IwaiAtsushi YamamotoKoichi OgawaShinji KamaeguchiTsukasa TakahashiKenichi Yamada
    • H01Q138
    • H01Q1/243H01Q9/0421
    • An antenna is provided which can reconcile a low antenna resonance frequency and broadband frequency characteristics, while attaining stable impedance characteristics and enhanced design flexibility. A conductive plate is coupled to a conductive base plate via a first metal lead. A voltage is applied to the conductive plate from a supply point via a second metal lead. A conductive wall is electrically coupled to the conductive plate at one end thereof. An electromagnetic field coupling adjustment plate is electrically coupled to the other end of the conductive wall. The electromagnetic field coupling adjustment plate is disposed so as to leave a predetermined interspace between itself and the conductive base plate, thereby creating a capacitor in conjunction with the conductive base plate. The conductive wall and the electromagnetic field coupling adjustment plate are disposed so as to maximize a path length from a shot-circuiting portion (at which the conductive plate is coupled to the first metal lead) to an open end of the electromagnetic field coupling adjustment plate. Preferably, a current path extending from a supply portion (at which the conductive plate is coupled to the second metal lead) to the short-circuiting portion has a length equal to a ½ wavelength for a desired resonance frequency.
    • 提供一种能够调和低天线谐振频率和宽带频率特性的天线,同时获得稳定的阻抗特性和增强的设计灵活性。 导电板通过第一金属引线耦合到导电基板。 电压通过第二金属引线从供电点施加到导电板。 导电壁在其一端电耦合到导电板。 电磁场耦合调节板电耦合到导电壁的另一端。 电磁场耦合调节板被设置成在其与导电基板之间留出预定的间隙,从而与导电基板一起形成电容器。 导电壁和电磁场耦合调节板被设置成使从射出电路部分(导电板耦合到第一金属引线的)到电磁场耦合调节板的开口端的路径长度最大化 。 优选地,从供电部分(其中导电板耦合到第二金属引线)延伸到短路部分的电流路径具有等于所需谐振频率的1/2波长的长度。
    • 67. 发明授权
    • Antenna
    • 多谐振天线
    • US06538618B2
    • 2003-03-25
    • US09975517
    • 2001-10-12
    • Atsushi YamamotoHiroshi IwaiKoichi Ogawa
    • Atsushi YamamotoHiroshi IwaiKoichi Ogawa
    • H01Q142
    • H01Q13/18H01Q9/0421H01Q9/30H01Q9/38H01Q13/10H01Q13/106
    • An antenna is provided having a relatively simple structure as arranged capable of operating at desired frequencies. The antenna has a chassis having a grounding conductor provided as a bottom surface, a ceiling conductor provided as a top surface opposite to the grounding conductor, and side conductors provided as antenna sides. At least one opening is provided in a part of said chassis, which opens for radiation of electric waves. A feeding point provided on the grounding conductor for connection to a power supply via a predetermined feeding line from the outside. An antenna element connected to the feeding point at one end while being connected to the ceiling conductor via a frequency selectable circuit at the other end, and surrounded by the side conductors.
    • 提供具有相对简单结构的天线,其布置能够以期望的频率运行。 该天线具有底架,其具有设置为底面的接地导体,设置为与接地导体相对的顶表面的天花板导体,以及设置为天线侧的侧导体。 至少一个开口设置在所述底盘的一部分中,该开口用于电波的辐射。 馈电点设置在接地导体上,用于经由外部经过预定馈线从电源连接。 天线元件在一端连接到馈电点,同时通过另一端的频率可选择电路连接到天花板导体,并被侧导体包围。
    • 68. 发明授权
    • Method for forming contact hole
    • 形成接触孔的方法
    • US06531067B1
    • 2003-03-11
    • US09623026
    • 2000-08-25
    • Nagamasa ShiokawaAtsushi Yamamoto
    • Nagamasa ShiokawaAtsushi Yamamoto
    • H01B1300
    • H01L21/31116H01L21/76802
    • The subject of the present invention is to keep the wiring resistance low and reduce the variation of the wiring resistance in one identical lot in semiconductor devices of a multi level interconnect structure in which at least the lower wiring layer is an aluminum wiring layer. Contact holes (31, 51) are formed in dielectric interlayers (3, 5) of upper and lower wiring layers (1, 2, 4) by dry etching. In the method of forming the contact holes of the invention, the dry etching was applied in two steps divisionally. The first step of etching is applied with supplying CF4, CHF3, Ar and N2 into an etching chamber. The second step of etching is conducted with supplying CF4, CHF3 and Ar into the etching gas chamber.
    • 本发明的目的在于使至少下布线层为铝布线层的多层布线结构的半导体器件中的同一批次中的布线电阻变小,从而降低布线电阻的变化。接触孔 (31,51)通过干蚀刻形成在上下布线层(1,2,4)的介电层间(3,5)中。 在形成本发明的接触孔的方法中,分两次地进行干蚀刻。 施加蚀刻的第一步骤,将CF4,CHF3,Ar和N2供应到蚀刻室中。 蚀刻第二步骤是通过向蚀刻气体室中供应CF4,CHF3和Ar进行蚀刻。