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    • 4. 发明授权
    • Chip antenna and method of making same
    • 芯片天线及其制作方法
    • US5892489A
    • 1999-04-06
    • US831075
    • 1997-04-01
    • Seiji KanbaKenji AsakuraTsuyoshi SuesadaTeruhisa TsuruHarufumi Mandai
    • Seiji KanbaKenji AsakuraTsuyoshi SuesadaTeruhisa TsuruHarufumi Mandai
    • H01Q13/08H01Q1/36H01Q1/38H01Q7/06H01Q1/24
    • H01Q1/38H01Q1/362
    • A chip antenna in which desired antenna characteristics can be obtained without restricting the type of at least one of a dielectric material and a magnetic material used for a base member of the antenna, as well as the type of metal material used for a conductor, or without limiting the sintering conditions of the above-described materials. The chip antenna includes a rectangular-prism-shaped base member having a mounting surface. A conductor, e.g. silver, is spirally wound inside the base member. A feeding terminal is formed over surfaces of the base member so as to feed power to the conductor. One end of the conductor is extended to a surface of the base member to form a feeding section, which is connected to the feeding terminal. The other end of the conductor serves as a free end within the base member. The base member is produced by laminating mixture layers made from a mixture of glass essentially consisting of borosilicate having a softening point of approximately 700.degree. C. and ceramic (relative dielectric constant: 60) essentially consisting of barium oxide, neodymium oxide and titanium oxide having a sintering temperature of approximately 1300.degree. C.
    • 一种芯片天线,其中可以获得期望的天线特性,而不限制用于天线的基底构件的电介质材料和磁性材料中的至少一种的类型,以及用于导体的金属材料的类型,或 而不限制上述材料的烧结条件。 芯片天线包括具有安装表面的矩形棱柱形基座部件。 导体,例如 银,螺旋缠绕在基座构件内。 馈电端子形成在基体部件的表面上,以便向导体供电。 导体的一端延伸到基座部件的表面,形成与供电端子连接的供电部分。 导体的另一端用作基底构件内的自由端。 通过层压由基本上由软化点约为700℃的硼硅酸盐组成的玻璃的混合物和基本上由氧化钡,氧化钕和氧化钛组成的陶瓷(相对介电常数:60)制成的基底构件,所述陶瓷(相对介电常数:60) 烧结温度约1300℃
    • 10. 发明授权
    • Antenna device
    • 天线设备
    • US06222489B1
    • 2001-04-24
    • US09525821
    • 2000-03-15
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji AsakuraSeiji Kanba
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji AsakuraSeiji Kanba
    • H01Q136
    • H01Q1/38H01Q1/362H01Q9/285
    • An antenna device, comprising an antenna unit including basic body comprising at least one of dielectric ceramic and magnetic ceramic, at least one conductor disposed at least one of inside and on a surface of the basic body, and a feeding electrode for applying a voltage to the conductor disposed on the surface of the basic body; a mounting board on which the antenna unit is mounted; a ground part in association with the mounting board and adapted to resonate with the antenna unit; and a length in the polarization direction of a radio wave of the ground part being about &lgr;/4 or more, where &lgr; is a wavelength of the radio wave, the basic body comprising a first generally planar sheet having a plurality of spaced, first conductors formed on one major surface thereof and a second generally planar sheet having a plurality of spaced second conductors formed on one major surface thereof; the first and second generally planar sheets being laminated together to form an elongated structure wherein respective pairs of the first and second conductors are coupled to one another to form respective spiral loops of a spiral antenna so that a central axis of the spiral antenna extends generally parallel to a longitudinal direction of the elongated structure; each of the sheets being formed of a material having a permeability of 1
    • 一种天线装置,包括天线单元,所述天线单元包括基体,所述天体单元包括介电陶瓷和磁性陶瓷中的至少一种,至少一个布置在所述基体的内部和表面中的至少一个导体,以及馈电电极, 所述导体设置在所述基体的表面上; 安装天线单元的安装板; 与安装板相关联并适于与天线单元谐振的接地部分; 并且所述接地部分的无线电波的极化方向上的长度约为lambd / 4或更大,其中lambd是所述无线电波的波长,所述基体包括具有多个间隔开的第一导体 在其一个主表面上形成有第二大体上平坦的片,其具有形成在其一个主表面上的多个间隔开的第二导体; 所述第一和第二大体平坦的片材被层压在一起以形成细长的结构,其中相应的第一和第二导体的对彼此耦合以形成螺旋形天线的相应的螺旋环,使得螺旋天线的中心轴线大致平行地延伸 到所述细长结构的纵向方向; 每个片材由导磁率为1 <7或介电常数εi为1