Patent ID: 6753743
Filing Date: 2004-06-22
Classification: H01P

Abstract:
A waveguide for a microwave device, comprising:a frame housing a high-frequency circuit therein, the frame comprising a main casing housing a first circuit board and a sub-casing housing a second circuit board; and a lid attached to a sidewall of the frame, wherein the main casing has a cut-out formed in the sidewall to which the lid is attached, the sub-casing arranged inside the main casing has a sidewall which is exposed at the cut-out, both the main casing and the sub-casing have waveguide grooves formed in the respective sidewalls, the waveguide grooves extend along a mating surface between the frame and the lid, the lid has a flat surface to cover the waveguide grooves, and the second circuit board has a probe provided thereon, the probe protruding into the waveguide groove of the sub-casing.