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Coplanar waveguide implementing launcher and waveguide channel section in IC package substrate
Coplanar waveguide implementing launcher and waveguide channel section in IC package substrate
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机译:在IC封装基板中实现发射器和波导通道部分的共面波导
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摘要
A coplanar waveguide (CPW) apparatus comprises a substrate having a first surface and an opposing second surface. The substrate comprises a metal layer proximate to the first surface. The metal layer comprises a conductive trace comprising a signal line coupled to a launcher element at a first end of the signal line, and a ground plane co-planar with the conductive trace. The ground plane defines a substantially rectangular first region surrounding the launcher element and defining a second region surrounding the signal line, the first and second regions substantially devoid of conductive material. The launcher element has a substantially rectangular shape with a width greater than a width of the signal line at the first end.
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