High frequency transmission line and high frequency board

Wave transmission lines and networks – Long line elements and components – Strip type

Reexamination Certificate

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Details

C333S236000, C333S245000

Reexamination Certificate

active

10822007

ABSTRACT:
Since a width of an edge portion of a signal line of a first high frequency transmission line is changed with respect to a width of another portion thereof, a deviation of impedances in a connection portion of the first and second high frequency transmission lines can be suppressed, so that signal reflections occurred in the connection portion can be lowered and a signal passing characteristic is improved.

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J. Kim, et al., Electrical Performance of Electronic Packaging, IEEE 7thTopical Meeting, XP-010313751, pp. 252-255, “Novel Microstrip-to-Stripline Transitions for Leakage Suppression in Multilayer Microwave Circuits”, Oct. 26-28, 1998.

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