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    • 92. 发明申请
    • High speed transmission lines with enhanced coupling
    • 具有增强耦合的高速传输线
    • US20100259337A1
    • 2010-10-14
    • US12384943
    • 2009-04-10
    • Mohammad Tabatabai
    • Mohammad Tabatabai
    • H01P3/08
    • H01P3/026H05K1/024H05K1/0245H05K2201/0191H05K2201/0715H05K2201/09236H05K2201/09318
    • According to one exemplary embodiment, a circuit board for reducing dielectric loss, conductor loss, and insertion loss includes a pair of transmission lines. The pair of transmission lines has sufficient thickness to cause substantial broadside electromagnetic coupling between the pair of transmission lines, where the pair of transmission lines is sufficiently separated from a ground plane of the circuit board so as to cause negligible electromagnetic coupling to the ground plane relative to the substantial broadside electromagnetic coupling. The pair of transmission lines thereby reduce dielectric loss, conductor loss, and insertion loss for signals traversing through the transmission line pair. The pair of transmission lines can be separated from the ground plane by, for example, at least 50.0 mils.
    • 根据一个示例性实施例,用于降低介质损耗,导体损耗和插入损耗的电路板包括一对传输线。 这对传输线具有足够的厚度,以在一对传输线之间产生实质的宽边电磁耦合,其中一对传输线与电路板的接地平面充分分离,从而使接地平面的电磁耦合可以忽略不计 到实质的宽边电磁耦合。 这对传输线因此减少了穿过传输线对的信号的介质损耗,导体损耗和插入损耗。 这对传输线可以通过例如至少50.0密耳从地平面分离。
    • 96. 发明授权
    • High-speed flex printed circuit and method of manufacturing
    • 高速柔性印刷电路及其制造方法
    • US07663064B2
    • 2010-02-16
    • US11162720
    • 2005-09-20
    • Achyut Kumar DuttaRobert Olah
    • Achyut Kumar DuttaRobert Olah
    • H01R12/04H05K1/11
    • H05K1/024H05K1/0393H05K3/386H05K3/4611H05K3/4635H05K3/4697H05K2201/09536H05K2201/09727Y10T29/49126
    • Multilayer high speed flex printed circuit boards (FLEX-PCBs) are disclosed including a dielectrics systems with the back-side trenches, adhesives, signal lines and ground planes, wherein the signal line and ground plane lane are located on the dielectrics. Using of the open trenches in the substrate help to reduce the microwave loss and dielectric constant and thus increasing the signal carrying speed of the interconnects. Thus, according to the present invention, it is possible to provide a simply constructed multiplayer high speed FLEX-PCB using the conventional material and conventional FLEX-PCB manufacturing which facilitates the design of circuits with controlled bandwidth based on the trench opening in the dielectrics, and affords excellent connection reliability. As the effective dielectric constant is reduced, the signal width is required to make wider or the dielectric thickness is required to make thinner keeping fixed characteristics impedance. The fundamental techniques disclosed here can also be used for high-speed packaging.
    • 公开了多层高速柔性印刷电路板(FLEX-PCB),其包括具有背面沟槽,粘合剂,信号线和接地平面的电介质系统,其中信号线和接地平面通道位于电介质上。 使用衬底中的开放沟槽有助于减少微波损耗和介电常数,从而增加互连的信号承载速度。 因此,根据本发明,可以使用常规材料和传统的FLEX-PCB制造提供简单构造的多人高速FLEX-PCB,其有助于基于电介质中的沟槽开口的具有受控带宽的电路的设计, 并提供良好的连接可靠性。 随着有效介电常数的降低,需要使信号宽度变宽或需要电介质厚度来形成较薄的保持固定特性阻抗。 这里公开的基本技术也可用于高速包装。
    • 100. 发明申请
    • METHOD OF MANUFACTURING A TRANSVERSE ELECTRIC MAGNETIC (TEM) MODE TRANSMISSION LINE AND SUCH TRANSMISSION LINE
    • 制造横向电磁(TEM)模式传输线和这种传输线的方法
    • US20090302977A1
    • 2009-12-10
    • US12442376
    • 2007-09-24
    • Björn Lindmark
    • Björn Lindmark
    • H01P3/08H01P11/00
    • H01P3/02H01P3/084H01P11/001H05K1/024H05K3/107H05K3/202H05K2201/09236Y10T29/49016
    • Method of manufacturing a transmission line including the steps: forming an element with at least one longitudinal groove on a surface of said element, said longitudinal groove being defined by two opposite wall portions in the element and having a longitudinal opening adjacent to said surface, and locating a conductor line in said at least one longitudinal groove. The method is distinguished by the steps: forming the conductor line from a metal strip upon punching the same from a sheet of metal, attaching the metal strip to at least one holding device, and mounting said at least one holding device, with the attached metal strip, on said element, so as to locate said metal strip in said longitudinal groove at a distance from said opposite wall portions of said element. The invention also concerns a transmission line manufactured in accordance with said method.
    • 一种传输线的制造方法,包括以下步骤:在所述元件的表面上形成具有至少一个纵向凹槽的元件,所述纵向凹槽由元件中两个相对的壁部分限定,并且具有与所述表面相邻的纵向开口,以及 将导线定位在所述至少一个纵向凹槽中。 该方法的特征在于以下步骤:从金属板冲压金属带形成导体线,将金属带附接到至少一个保持装置,并且将所述至少一个保持装置与所附接的金属 在所述元件上的条带,以便将所述金属带定位在所述纵向槽中与所述元件的所述相对壁部分相距一定距离处。 本发明还涉及根据所述方法制造的传输线。