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    • 3. 发明公开
    • Three-wire-line vertical interconnect structure for multilevel substrates
    • 垂直连接电缆的组件带有三根导线多级基板
    • EP0731525A2
    • 1996-09-11
    • EP96102800.8
    • 1996-02-24
    • Hughes Aircraft Company
    • Gulick, Jon J.Wooldridge, John J.
    • H01R9/00
    • H01L23/5384H01L23/49827H01L23/66H01L2223/6616H01L2223/6627H01L2224/16H01L2924/10329H01L2924/15173H01L2924/1903H01L2924/19033H01L2924/3011H01L2924/3025
    • A vertical interconnect structure (10) comprising a three-wire-line transmission line structure (10) for providing electrical continuity between different levels of a multilevel substrate (15). The present invention provides a means for transferring power between various levels of the substrate (15) without introducing excessive additional RF losses. First and second coplanar transmission line structures (13,14) are disposed on first and second surfaces of the substrate (15). A vertical interconnect structure (10) is disposed in the multilevel RF substrate (15) and is coupled between the first and second transmission line structures (13,14). The vertical interconnect structure (10) comprises three conductors (12a,12b,12c) having predetermined cross-sectional dimensions and predetermined separations therebetween that are adapted to transfer RF power between the first and second transmission line structures (13,14). In a completed electronic circuit employing the present invention, an electronic device (21) is electrically coupled between two coplanar transmission line structures (13,14) disposed on one surface of the substrate (15), and the vertical interconnect structure (10) couples power to the electronic circuit (21) by way of the coplanar transmission line structure (10) disposed another surface of the substrate (15). The impedance of the vertical interconnect structure (10) is determined by the relative dimensions of the three conductors (12a12b,12c) and their relative separations. The three-wire-line transmission line structure (10) supports a highly desirable TEM mode of energy propagation. The present invention is relatively easy to fabricate, in that vertical wires having a circular geometry are easily accommodated as part of the fabrication process for the substrate (15). The present invention provides for relatively low loss, because of the nature of the currents that flow on the conductors. The propagation characteristics are well-understood, and the vertical interconnect structure supports a highly desirable TEM mode of energy propagation.
    • 垂直互连结构(10),包括不同级别的多级的基板(15)的之间提供电连续性三线线传输线结构(10)。 本发明提供了在不引入过多额外的RF损失各级基板(15)之间传递环功率的装置。 第一和第二共面传输线结构(13,14)被设置在基板(15)的第一和第二表面。 垂直互连结构(10),在所述多级RF基板(15)被布置和耦合在第一和第二传输线结构(13,14)之间。 垂直互连结构(10)包括三个导体(12A,12B,12C),其具有预定的横截面尺寸和预定的分离之间有angepasst做到第一和第二传输线结构(13,14)之间传送RF功率。 在完成的电子电路采用本发明,给电子装置(21)被耦合电两个共面传输线结构(13,14)布置在所述基片(15)的一个表面上,并且垂直互连结构(10)之间耦合 功率由共面传输线结构(10)的方式将电子电路(21)设置在所述基板(15)的另一表面上。 垂直互连结构(10)的阻抗由确定性三个导体(12a12b,12C)和它们的相对分离的相对尺寸开采。 三线线传输线结构(10)支撑能量传播的高度期望的TEM模式。 本发明相对容易制造,具有圆形的几何形状DASS垂直线被容易地容纳作为底物(15)的制造工艺的一部分。 本发明提供了一种相对较低的损耗,因为没有电流在导体上流动的性质。 所述传播特性的很好理解的,并且垂直互连结构支持能量传播的高度期望的TEM模式。