Coplanar waveguide implementing launcher and waveguide channel section in IC package substrate
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United States of America Patent
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Dec 6, 2016
Grant Date -
Jun 9, 2016
app pub date -
Mar 18, 2014
filing date -
Mar 18, 2014
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Abstract
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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