via fences
... that via fences , used to shield printed circuit lines, can also be used to form waveguides?
... that <b id="mwB6Q"><a href="./Via_fence" id="mwB6U" rel="mw:WikiLink" title="Via fence">via fences</a></b> <i id="mwB6Y">(pictured)</i>, used to shield <a class="mw-redirect" href="./Printed_circuit" id="mwB6c" rel="mw:WikiLink" title="Printed circuit">printed circuit</a> lines, can also be used to form <a href="./Waveguide" id="mwB6g" rel="mw:WikiLink" title="Waveguide">waveguides</a>?