WO2009137991A1 - 天线 - Google Patents

天线 Download PDF

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Publication number
WO2009137991A1
WO2009137991A1 PCT/CN2009/000519 CN2009000519W WO2009137991A1 WO 2009137991 A1 WO2009137991 A1 WO 2009137991A1 CN 2009000519 W CN2009000519 W CN 2009000519W WO 2009137991 A1 WO2009137991 A1 WO 2009137991A1
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WO
WIPO (PCT)
Prior art keywords
conductor
dielectric material
antenna
antenna according
curve
Prior art date
Application number
PCT/CN2009/000519
Other languages
English (en)
French (fr)
Inventor
张一昉
Original Assignee
深圳市银河之星科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市银河之星科技有限公司 filed Critical 深圳市银河之星科技有限公司
Priority to GB1018948.8A priority Critical patent/GB2473760B/en
Priority to JP2011508787A priority patent/JP5065524B2/ja
Priority to US12/992,642 priority patent/US8514133B2/en
Publication of WO2009137991A1 publication Critical patent/WO2009137991A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/206—Microstrip transmission line antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas

Definitions

  • the present invention relates to an electronic component, and more particularly to a miniaturized, ultra-wideband antenna for wireless communication.
  • Antennas as essential components of mobile communication products, have a significant impact on communication products in terms of radiation efficiency, directionality, bandwidth, impedance matching characteristics, size and cost.
  • the requirements for miniaturization, diversity, lightness, and aesthetics of communication products, antenna design is becoming an art, while taking into account the requirements of miniaturization, bandwidth, radiation efficiency, and low cost.
  • Chinese patent CN 1519986A discloses "microstrip antennas with increased bandwidth", which uses a planar radiating plate and a gap at the input end of the radiating plate to make the RF signal grow in different lengths on both sides of the radiating plate. bandwidth.
  • the advantage is that it is easy to manufacture.
  • Chinese Patent No. 1945898A discloses "Ultra Wide Band Antenna" in which two electromagnetic materials are placed at the junction of the microstrip and the radiating plate to increase the bandwidth.
  • An antenna comprising a first conductor, a second conductor and a third conductor having a length and not intersecting each other, the third conductor being located between the first conductor and the second conductor, the first conductor
  • the first end is electrically connected to the first end of the second conductor, and forms a first connection point connected to the ground of the radio frequency signal, and the first end of the third conductor adjacent to the first connection point and the radio frequency
  • the signal lines are connected, and the length of the first conductor is greater than the length of the second conductor.
  • the first conductor, the second conductor, and the third conductor each extend in the same plane in a straight line, a curved extension, a spiral extension, or a combination of a straight line and a curved line.
  • the first conductor, the second conductor, and the third conductor are disposed on a dielectric material, and a comprehensive dielectric constant of the dielectric material between the first conductor and the third conductor is greater than or A total dielectric constant equal to the dielectric material between the second conductor and the third conductor.
  • the geometry of the spiral extension is a circle, a curve or a polygon, and the combination of the straight line and the curve extends into any combination of a straight line, a curve or a polygon, and the feeding point of the radio frequency signal is in the The end of the conductor at the center of the spiral extension is described.
  • the conductor is composed of a plurality of conductive material arrangements.
  • the same first conductor, second conductor and third conductor are mirror image formed, and the first conductor and the second conductor on both sides of the dielectric material And the third conductor is connected through the metallized via.
  • a gap having a certain length is hollowed out on the dielectric material between the first conductor and the third conductor and/or between the second conductor and the third conductor.
  • the antenna of the present invention is filled with a dielectric material having a different dielectric constant.
  • An antenna comprising a first conductor and a second conductor having a length and not intersecting each other, the first end of the first conductor forming a first connection point connected to a ground of a radio frequency signal, adjacent to the first connection point
  • the first end of the second conductor is connected to the radio frequency signal line, and the first conductor and the second conductor extend in the same plane in a straight line in the same direction, a curve extension, a spiral extension or a combination of a straight line and a curve.
  • the first conductor and the second conductor are disposed on a dielectric material, and the spiral extending geometry is a circle, a curve or a polygon, and the combination of the straight line and the curve extends into a straight line and a circle, A combination of curves or polygons.
  • the conductor is composed of a plurality of conductive materials arranged.
  • the antenna is mirror-formed on the other side of the dielectric material to form the same first conductor and second conductor, and the first conductor and the second conductor on both sides of the dielectric material are metallized Through hole connection.
  • the beneficial effects of the present invention are that the antenna of the present invention belongs to the "ultra-wideband array antenna", and the beneficial effects thereof have the following points:
  • the integrated dielectric constant of the dielectric material between the first conductor and the third conductor is greater than the integrated dielectric constant of the dielectric material between the second conductor and the third conductor, thereby obtaining an ultra-wideband frequency response.
  • the antenna of the invention is suitable for production by a printed circuit board process, has low production cost and is suitable for mass production.
  • FIG. 1 is a schematic diagram of an antenna according to a first embodiment of the present invention
  • FIG. 2 is a schematic diagram of an antenna according to a second embodiment of the present invention.
  • FIG. 3 is a schematic diagram of an antenna according to a third embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an antenna according to a fourth embodiment of the present invention. detailed description
  • an antenna of the present invention includes:
  • connection point is connected to the radio frequency signal line at one end of the c-conductor close to the connection point, and the length of the a conductor is larger than the b conductor, thereby enhancing the radiation capability of the electromagnetic wave signal.
  • three conductors of length &, b, c are fabricated on the dielectric material, and the dielectric constant of the dielectric material between a and c is greater than or equal to the dielectric constant of the integrated dielectric material between b and c. , thereby increasing bandwidth.
  • the integrated dielectric constant referred to in this specification means that if there is only one dielectric material in a certain area, the relative dielectric constant of the dielectric material is the integrated dielectric constant. If there are multiple dielectric materials, The arithmetic mean of the relative dielectric constants of the respective dielectric materials is the integrated dielectric constant.
  • three lengths of conductors &, b, c are spiraled onto the dielectric material, and the length of the a conductor is greater than that of the b conductor, 3 and (: the length of the conductor is greater than zero, and the length of the conductor b is greater than or equal to zero, thereby reducing the volume.
  • the antenna When the length of the b conductor is equal to zero, that is, the antenna includes a first conductor and a second conductor having a certain length and not intersecting each other, the first end of the first conductor forms a first connection point and is connected to the ground of the radio frequency signal, adjacent to a first end of the second conductor of the first connection point is connected to a radio frequency signal line, and the first conductor and the second conductor extend in a straight line in the same direction in the same plane, a curve extension, a spiral extension or a straight line And extending in combination with the curve.
  • the first conductor and the second conductor are disposed on the dielectric material, the spiral extending geometry is a circle, a curve or a polygon, or any combination of a curve, a circle or a polygon, or a straight line and A combination of circles, curves, or polygons.
  • the spiral shape may be a circle, a curve, a polygon, or any combination of shapes therebetween, and the feeding point of the RF signal is at the center of the spiral
  • a circularly polarized electromagnetic wave is obtained.
  • the c-conductor connecting the signal line and the adjacent conductors &, b may be arranged in a plurality of arrangements to further reduce electrical losses.
  • a metallized through hole is provided along the c conductor connecting the signal line and the conductors a and b connected to the adjacent sides, thereby increasing the radiation capability of the electromagnetic wave.
  • the antenna of Embodiment 1 of the present invention As shown in FIG. 1, the antenna of Embodiment 1 of the present invention:
  • the antenna (Fig. 1) is composed of a c-wire connecting the radio frequency signal (X), and a wire a, b and a dielectric material (D) adjacent to the ground (G) of the c-wire, wherein two of the ground (G) are connected
  • the antenna of Embodiment 2 of the present invention As shown in FIG. 2, the antenna of Embodiment 2 of the present invention:
  • the antenna (Fig. 2) consists of three curved wires a, b, c (ie a combination of straight lines and curves) and a dielectric material (D). At the same end of the &, b, c wires, the wires are connected to the RF signal lines. (X), the longer wire a adjacent to the c wire and the shorter wire b are connected to the ground (G).
  • the antenna of Embodiment 3 of the present invention As shown in FIG. 3, the antenna of Embodiment 3 of the present invention:
  • the antenna (Fig. 3) is spirally wound on the dielectric material (D) by three wires a, b, c, and the RF signal line (X) is connected to one end of the c wire at the center of the three wires, and the longer wire adjacent to the c wire.
  • a is connected to the shorter wire b (G).
  • the length of the b line can be zero.
  • the antenna of Embodiment 4 of the present invention As shown in FIG. 4, the antenna of Embodiment 4 of the present invention:
  • the antenna (Fig. 4) is hovered over the dielectric material (D) by three wires a, b, c.
  • the three wires are mirrored on the other side of the medium.
  • Three identical wires are spiraled over the dielectric material, and the metallized through holes are used.
  • (K) Connect them together to form three conductors.
  • One end of the three conductor spiral centers, the c conductor is connected to the radio frequency signal line (X), the adjacent longer conductor a and the shorter conductor b are connected to the ground (G), and a space between b and c or (and) a and c is hollowed out.
  • the gap (L) or a dielectric material filled with a different dielectric constant such that the dielectric constant of the dielectric material between a and c is greater than the dielectric constant of the integrated dielectric material between b and c.
  • the antenna described in the above preferred embodiment achieves the purpose of increasing the frequency width of electromagnetic wave radiation or receiving electromagnetic waves and increasing the electromagnetic wave radiation intensity or electromagnetic wave receiving sensitivity by appropriately increasing the length ratio of a and b.
  • the antenna described in the above preferred embodiment can utilize the spiral structure of the three wires 3, b, c on the dielectric material to select the difference between the integrated dielectric constants between the appropriate &, c and b, c. Degree and hovering shape to satisfy The efficiency, cost, bandwidth, direction and volume requirements of various wireless communications for the antenna.
  • the antenna of the present invention has a simple structure, a simple manufacturing process of the printed wiring board, low cost, and easy processing in large quantities.

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  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)

Description

技术领域
本发明涉及一种电子元器件， 尤其与一种用于无线通信的小型化、 超带宽天线有关< 背景技术
天线， 作为移动通信产品的必不可少的关键元器件， 其辐射效率、 方向性、 带宽、 阻 抗匹配特性、尺寸大小和成本对通信产品将产生极大影响。同时通信产品小型化、多样性、 轻巧、 美观的要求， 天线设计正变为一种艺术， 同时兼顾小型化、 带宽、 辐射效率、 低成 本的要求。
中国专利 CN 1519986A公开了 《可增加频宽的微带天线》 ， 利用一个平面的辐射片 和在辐射片的输入端开设一个缝隙，使得射频信号在辐射片两边沿所走路径长短不一至达 到增加频宽。 其优点是易于制造。
中国专利 CN 1945898A公开了 《一种超宽带天线》 ， 在微带与辐射片连接处设置两 个电磁材料从而增加带宽。
上述两个专利， 无法同时容纳多个制式无线移动通信产品的频宽要求， 天线尺寸相对 手持设备中安装体积较大。 发明内容
针对现有技术中存在的问题， 本发明的目的在于提供了一种天线。
为实现本发明的发明目的， 本发明的具体技术方案如下:
一种天线， 包括具有一定长度且互不相交的第一导体、 第二导体和第三导体， 所述第 三导体位于所述第一导体与所述第二导体之间，所述第一导体的第一端电连接于所述第二 导体的第一端， 并形成第一连接点与射频信号的地相连接， 邻近所述第一连接点的所述第 三导体的第一端与射频信号线相连接， 所述第一导体的长度大于所述第二导体。
本发明的天线， 优选的， 所述第一导体、 第二导体和第三导体均在同一平面内同方向 直线延伸、 曲线延伸、 盘旋延伸或直线与曲线组合延伸。
本发明的天线， 优选的， 所述第一导体、 第二导体和第三导体设置于电介质材料上， 所述第一导体和所述第三导体之间的电介质材料的综合介电常数大于或等于所述第二导 体和所述第三导体之间的电介质材料的综合介电常数。 本发明的天线， 优选的， 所述盘旋延伸的几何形状为圆、 曲线或多边形， 所述直线与 曲线组合延伸为直线、 曲线或多边形的任意组合形状， 所述射频信号的馈电点在所述盘旋 延伸的中心位置的所述导体端点上。
本发明的天线， 优选的， 所述导体由多个导电材料排列组成。
本发明的天线，优选的，在所述电介质材料的另一面，镜像形成同样的所述第一导体、 第二导体和第三导体， 所述电介质材料两面的所述第一导体、 第二导体和第三导体， 通过 金属化通孔连接。
本发明的天线， 优选的， 在所述第一导体与所述第三导体之间和 /或第二导体与第三 导体之间的电介质材料上， 镂空具有一定长度的缝隙。
本发明的天线， 更优选的， 所述缝隙内填充有不同介电常数的电介质材料。
本发明的另一种技术方案如下：
一种天线， 包括具有一定长度且互不相交的第一导体和第二导体， 所述第一导体第一 端形成第一连接点与射频信号的地相连接，邻近所述第一连接点的所述第二导体的第一端 与射频信号线相连接， 所述第一导体和第二导体在同一个平面内同方向的直线延伸、 曲线 延伸、 盘旋延伸或直线与曲线组合延伸。
所述的天线， 优选的， 所述第一导体和第二导体设置于电介质材料上， 所述盘旋延伸 的几何形状为圆、 曲线或多边形， 所述直线与曲线的组合延伸为直线与圆、 曲线或多边形 的组合。
所述的天线， 优选的， 所述导体由多个导电材料排列组成。
所述的天线， 优选的， 在所述电介质材料的另一面， 镜像形成同样的所述第一导体和 第二导体， 所述电介质材料两面的所述第一导体和第二导体， 通过金属化通孔连接。
本发明的有益效果在于， 本发明的天线， 属于 "超宽带阵列天线"， 其有益效果具有 有以下几点：
1、 利用所述第一导体与第二导体之间的长度差， 即第一导体的长度大于第二导体的 长度， 从而增强电磁波信号的辐射能力。
2、 利用第一导体和第三导体之间的电介质材料的综合介电常数大于第二导体和第三 导体之间的电介质材料的综合介电常数， 进而得到超宽带频率响应。
3、 将三个一定长度的导体盘旋在电介质材料上， 进而缩小了体积。
4、 通过盘旋形状， 进而得到了圆极化电磁波， 提高了天线的性能。
5、 通过所述的平面盘旋结构， 从而得到薄而面积小的超宽带天线， 同时也解决了天 线性能和体积减小带来的矛盾。
6、 本发明的天线， 适合于用印刷线路板工艺生产， 生产成本低廉， 适合于批量生产。 附图说明
图 1为本发明第一实施例的天线示意图；
图 2为本发明第二实施例的天线示意图；
图 3 为本发明第三实施例的天线示意图；
图 4为本发明第四实施例的天线示意图。 具体实施方式
下面将结合附图及优选实施例对本发明作进一步说明。
本发明天线的实施例组合较多， 但构成该天线方法的原则是一致的， 参照图例， 本发 明一种天线， 它包括：
由&、 b、 c三个一定长度互不相交的导体， c导体位于&、 b导体之间， 把 a和 b导体 相邻近的一端相互电连接， 再与射频信号的地相连接从而形成一个连接点， 在接近该连接 点的 c导体一端与射频信号线相连接， a导体的长度大于 b导体， 从而增强电磁波信号的 辐射能力。
最好， 把&、 b、 c三个一定长度的导体制作在电介质材料上， a和 c之间的电介质材 料的综合介电常数大于或等于 b和 c之间的综合电介质材料的介电常数， 从而增加带宽。 本说明书中所指的综合介电常数， 是指在一定区域内， 如果只有一种电介质材料， 则该电 介质材料的相对介电常数即为该综合介电常数， 如有多种电介质材料， 则各电介质材料的 相对介电常数的算术平均值为该综合介电常数。
最好， 把&、 b、 c三个一定长度的导体盘旋在电介质材料上， 且 a导体的长度大于 b 导体， 3和(：导体长度大于零， b导体长度大于或等于零， 进而缩小体积。 在 b导体长度 等于零时， 即所述天线包括具有一定长度且互不相交的第一导体和第二导体， 所述第一导 体第一端形成第一连接点与射频信号的地相连接，邻近所述第一连接点的所述第二导体的 第一端与射频信号线相连接， 所述第一导体和第二导体在同一个平面内同方向的直线延 伸、 曲线延伸、 盘旋延伸或直线与曲线组合延伸。 所述第一导体和第二导体设置于电介质 材料上， 所述盘旋延伸的几何形状为圆、 曲线或多边形， 或为曲线、 圆或多边形的任意组 合形状， 或为直线与圆、 曲线或多边形的组合。 最好， a、 b、 c三个一定长度的导体盘旋在电介质材料上， 其盘旋形状可以是圆、 曲 线、 多边形或是它们之间的任意组合形状， 射频信号的馈电点在盘旋中心位置的三个导体 端点上， 进而得到圆极化电磁波。
最好， 其中， 在连接信号线的 c导体和相邻两边的导体&、 b， 可以是多个排列组成， 进而减少电损耗。
最好， 沿连接信号线的 c导体和相邻两边连接地的导体 a、 b上设置金属化通孔， 从 而增加电磁波的辐射能力。
如图 1所示， 本发明实施例 1的天线：
该天线 （图 1 ) 是由连接射频信号 （X) 的 c导线， 和 c导线相邻连接地 （G) 的导线 a、 b及电介质材料 （D) 组成的， 其中连接地 （G) 的两根导线 a、 b， 较长的为 a， 较短 的为 b。
如图 2所示， 本发明实施例 2的天线：
该天线 （图 2) 是由三根弯曲的导线 a、 b、 c (即直线与曲线的组合） 和电介质材料 (D)组成的， 在&、 b、 c导线的同一端 c导线连接射频信号线（X) ， 与 c导线相邻的较 长导线 a和较短导线 b连接地 （G) 。
如图 3所示， 本发明实施例 3的天线：
该天线 （图 3 ) 用三根导线 a、 b、 c在电介质材料 （D) 上盘旋起来， 在三根导线盘 旋中心的 c导线一端连接射频信号线 （X) ， 与 c导线相邻的较长导线 a和较短导线 b连 接地 （G) 。 其中 b线长度可为零。
如图 4所示， 本发明实施例 4的天线：
该天线 （图 4) 用三根导线 a、 b、 c在电介质材料 （D) 上盘旋起来， 三根导线在介 质另外一面的镜像也有三根同样的导线在电介质材料上盘旋起来， 再用金属化通孔 （K) 把它们连接起来形成三根导体。 三根导体盘旋中心的一端 c导体连接射频信号线 （X) ， 相邻的较长导体 a和较短导体 b连接地（G) ， 在 b和 c之间或（和） a和 c之间镂空一条 缝隙 （L) 或填充不同的介电常数的电介质材料， 使得 a和 c之间的电介质材料的综合介 电常数大于 b和 c之间的综合电介质材料的介电常数。
上述优选实施例中所述的天线， 通过适当增加 a和 b的长短比值， 达到增加电磁波辐 射或接收电磁波的频率宽度， 同时增强电磁波辐射强度或电磁波接收灵敏度的目的。
上述优选实施例中所述的天线， 可利用所述的三根导线3、 b、 c在电介质材料上的盘 旋结构， 选择合适&、 c之间和 b、 c之间的综合介电常数的差异程度及盘旋形状， 来满足 各种无线通信对天线的效率、 成本、 带宽、 方向和体积的要求。
从上述优选实施例中，很明显本发明一种天线的结构简单，印刷线路板制作工艺简单， 成本低廉， 易于大批量加工。
以上所述的仅为本发明的较佳可行实施例，所述实施例并非用以限制本发明的专利保 护范围， 因此凡是运用本发明的说明书及附图内容所作的等同结构变化， 同理均应包含在 本发明的保护范围内。

Claims

权利要求
1、 一种天线， 其特征在于： 所述天线包括具有一定长度且互不相交的第一导体、 第 二导体和第三导体， 所述第三导体位于所述第一导体与所述第二导体之间， 所述第一导体 的第一端电连接于所述第二导体的第一端， 并形成第一连接点与射频信号的地相连接， 邻 近所述第一连接点的所述第三导体的第一端与射频信号线相连接，所述第一导体的长度大 于所述第二导体。
2、 如权利要求 1所述的天线， 其特征在于， 所述导体由多个导电材料排列组成。
3、 如权利要求 1 所述的天线， 其特征在于： 所述第一导体、 第二导体和第三导体均 在同一平面内同方向直线延伸、 曲线延伸、 盘旋延伸或直线与曲线组合延伸。
4、 如权利要求 3所述的天线， 其特征在于： 所述第一导体、 第二导体和第三导体设 置于电介质材料上，所述第一导体和所述第三导体之间的电介质材料的综合介电常数大于 或等于所述第二导体和所述第三导体之间的电介质材料的综合介电常数。
5、 如权利要求 4所述的天线， 其特征在于： 所述盘旋延伸的几何形状为圆、 曲线或 多边形， 所述直线与曲线组合延伸为直线、 曲线或多边形的任意组合形状， 所述射频信号 的馈电点在所述盘旋延伸的中心位置的所述导体端点上。
6、 如权利要求 4所述的天线， 其特征在于， 在所述电介质材料的另一面， 镜像形成 同样的所述第一导体、 第二导体和第三导体， 所述电介质材料两面的所述第一导体、 第二 导体和第三导体， 通过金属化通孔连接。
7、 如权利要求 4或 6所述的天线， 其特征李于， 在所述第一导体与所述第三导体之 间和 /或第二导体与第三导体之间的电介质材料上， 镂空具有一定长度的缝隙。
8、 如权利要求 7所述的天线， 其特征在于， 所述缝隙中填充有不同介电常数的电介 质材料。
9、 一种天线， 其特征在于： 所述天线包括具有一定长度且互不相交的第一导体和第 二导体， 所述第一导体第一端形成第一连接点与射频信号的地相连接， 邻近所述第一连接 点的所述第二导体的第一端与射频信号线相连接，所述第一导体和第二导体在同一个平面 内同方向的直线延伸、 曲线延伸、 盘旋延伸或直线与曲线组合延伸。
10、 如权利要求 9所述的天线， 其特征在于， 所述第一导体和第二导体设置于电介质 材料上， 所述盘旋延伸的几何形状为圆、 曲线或多边形， 所述直线与曲线的组合延伸为直 线与圆、 曲线或多边形的组合。
1 1、 按照权利要求 9或 10所述 天线， 其特征在于， 所述导体由多个导电材料排列 组成。
12、 如权利要求 9或 10所述的天线， 其特征在于， 在所述电介质材料的另一面， 镜 像形成同样的所述第一导体和第二导体， 所述电介质材料两面的所述第一导体和第二导 体， 通过金属化通孔连接。
PCT/CN2009/000519 2008-05-16 2009-05-13 天线 WO2009137991A1 (zh)

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