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    • 2. 发明授权
    • Electronic component
    • 电子元器件
    • US06302706B1
    • 2001-10-16
    • US09475213
    • 1999-12-29
    • Kouji AokieNaotaka MurakamiHiroki TakataOsamu YamatoKatsuhiko Onoda
    • Kouji AokieNaotaka MurakamiHiroki TakataOsamu YamatoKatsuhiko Onoda
    • H01R1200
    • H01R13/405H01L2224/05554H01L2224/45124H01L2224/48472H01L2224/49175H01R13/6658H01L2924/00
    • In order to precisely detect positions of respective lead portions of an electronic component and to reduce the cost of production of the electronic component, the electronic component has a resinous pad portion and a plurality of terminal units embedded in the pad portion. Each of the terminal units is provided with lead portions that are disposed parallel to one another with their terminal faces exposed, and junction portions for junction between bonding wires and the lead portions are formed on the terminal faces. Corner portions are formed at predetermined sections on the terminal faces. In this case, even if resin of the pad portion has adhered to the peripheries of the terminal faces and fouled the terminal faces, since the lead portions have the corner portions, images of the lead portions can be detected precisely. Accordingly, the operation of connecting the bonding wires to the terminal faces is performed more efficiently, whereby the cost of production of the electronic component can be reduced.
    • 为了精确地检测电子部件的各个引线部的位置,并且为了降低电子部件的制造成本,电子部件具有嵌入焊盘部的树脂焊盘部和多个端子部。 每个端子单元设置有彼此平行布置的引线部分,其端子面暴露,并且在端子面上形成用于接合线和引线部分之间的接合部的接合部分。 拐角部分形成在终端面上的预定部分。 在这种情况下,即使焊盘部分的树脂粘附到端子表面的周边并且使端子端部被污染,由于引线部分具有拐角部分,因此可以精确地检测引线部分的图像。 因此,更有效地进行将接合线连接到端子面的动作,能够降低电子部件的制造成本。
    • 4. 发明授权
    • Dielectric filter having coupling amount adjusting patterns
    • 具有耦合量调节图案的介质滤波器
    • US5227747A
    • 1993-07-13
    • US892723
    • 1992-05-29
    • Tomokazu KomazakiKatsuhiko GunjiNorio OnishiOsamu YamatoAkira MashimoKouichi Ichikawa
    • Tomokazu KomazakiKatsuhiko GunjiNorio OnishiOsamu YamatoAkira MashimoKouichi Ichikawa
    • H01P1/205
    • H01P1/2056
    • A dielectric filter includes a unitary dielectric block formed of a uniform, single dielectric material and having electrically conductive metallized patterns formed on front, rear and lateral walls, and on an outer bottom surface thereof. A plurality of coaxial dielectric resonators each including an open end and a central conductor are longitudinally arranged along the center of a top surface of the block and are spaced apart a predetermined distance. Frequency adjusting patterns are formed on the top surface of the block, each frequency adjusting pattern extending around an open end of a respective one of the resonators. Coupling amount adjusting patterns are also disposed on the top surface of the block, each connected to the front and rear walls and disposed between adjacent ones of the frequency adjusting patterns. At least one additional coupling amount adjusting pattern is disposed on the top surface of the block. The additional coupling amount adjusting pattern has a first end mechanically connected to the front wall and a second end capacitively coupled to the rear wall, a gap being provided between the second end and the rear wall. The additional coupling amount adjusting pattern determines a pre-adjusted maximum coupling amount larger than a coupling amount of the plurality of coupling amount adjusting patterns which are connected to the front and rear walls.
    • 介质滤波器包括由均匀的单个电介质材料形成并具有形成在前壁,后壁和侧壁以及其外底表面上的导电金属化图案的单一介质块。 每个包括开口端和中心导体的多个同轴介质谐振器沿着块的顶表面的中心纵向布置并且间隔开预定距离。 频率调整图案形成在块的顶表面上,每个频率调整图案围绕相应的谐振器的开口端延伸。 耦合量调节图案也设置在块的顶表面上,每个连接到前壁和后壁并且设置在相邻的频率调整图案之间。 至少一个附加的耦合量调节图案设置在块的顶表面上。 额外的联接量调节图案具有机械地连接到前壁的第一端和与后壁电容耦合的第二端,在第二端和后壁之间设置间隙。 附加耦合量调整图案确定大于连接到前壁和后壁的多个耦合量调节图案的耦合量的预调节最大耦合量。
    • 8. 发明授权
    • Dielectric filter and a method of manufacture thereof
    • 电介质滤波器及其制造方法
    • US4855693A
    • 1989-08-08
    • US227874
    • 1988-08-03
    • Hisao MatsukuraOsamu YamatoHiroyuki Horii
    • Hisao MatsukuraOsamu YamatoHiroyuki Horii
    • H01P1/205H01P7/04
    • H01P1/2056
    • A dielectric filter and a method of manufacture. The filter includes a block of ceramic material having one or more holes extending from a top surface to a bottom surface, each of which is interiorly covered with conductive material so as to form an inner conductive layer. The bottom surface and side surfaces of the block are also covered with bottom and side conductive layers electrically connected to the inner conductive layers at the bottom surface. The inner conductive layer is further connected to spaced apart top conductive layer portions provided on the top surface of the block surrounding each hole. The top layer portions are spaced from each other and have an oblique edge portion which is capacitively coupled with, and obliquely faces an upper edge portion of the side conductive layers, the oblique edge facilitating adjustment of the resonant frequency by removal of a predetermined amount of conductive material therefrom. In accordance with the method of manufacture of this filter, the filter is initially constructed to have a resonant frequency which is greater than that ultimately desired, and after measuring the resonant frequency initially obtained, a predetermined amount of conductive material is removed from the top conductive layer at a location along the oblique edge portion according to the required reduction in resonant frequency in order to reduce the resonant frequency to a desired value.