US8497749_page_19

US8497749 | page 19 | https://thedailydialectics.com/pdfs/wipow/US8497749/US8497749.pdf

US 8,497,749 B2 9 conversion to radiation but as long as the tapering is done gradually, there is little penalty in the form of increased attenuation or radiation. The central conductor need not be circular. As long as it is of relatively constant longitudinal cross section, the conduc- tor only…