US 11,909,089 B2
Substrate integrated waveguide (SIW) including fences with wall strips and ridge strips, where the ridge strips extend further into the SIW than the wall strips
Naftali Chayat, Kfar Saba (IL)
Assigned to VAYYAR IMAGING LTD., Yehud (IL)
Filed by VAYYAR IMAGING LTD., Yehud (IL)
Filed on Sep. 19, 2022, as Appl. No. 17/947,347.
Application 17/947,347 is a continuation of application No. 17/347,649, filed on Jun. 15, 2021, granted, now 11,450,937.
Claims priority of application No. 279603 (IL), filed on Dec. 20, 2020.
Prior Publication US 2023/0011894 A1, Jan. 12, 2023
Int. Cl. H01P 3/12 (2006.01); H05K 1/02 (2006.01); H05K 1/11 (2006.01); H01P 1/208 (2006.01); H01P 3/123 (2006.01)
CPC H01P 3/121 (2013.01) [H01P 1/2088 (2013.01); H01P 3/123 (2013.01); H05K 1/0237 (2013.01); H05K 1/115 (2013.01); H05K 2201/09618 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A printed circuit board comprising a horizontally extending dielectric substrate and a substrate integrated waveguide (SIW) having at least one ridge;
said SIW comprising first and second horizontally disposed conductive ground planes spaced by a vertical distance, and two vertically disposed conductive fences spanning therebetween, said fences extending in a first horizontal direction, and being spaced from one another in a second horizontal direction, perpendicular to the first horizontal direction;
at least one of said fences comprising a plurality of horizontally disposed conductive strips vertically spaced from one another and extending in the first horizontal direction, at least some of said conductive strips being wall-strips, and at least some of said conductive strips being ridge-strips constituting at least a portion of said at least one ridge and extending from their respective fences in the second horizontal direction toward the other of said fences to an extent greater than said wall-strips.