Adaptor for connecting a microstrip line to a waveguide using a conductive patch and a stub hole

Patent metadata

Field	Value
Publication number	US-9252475-B2
Application number	US-201414270240-A
Country	US
Kind code	B2
Filing date	May 5, 2014
Priority date	May 9, 2013
Publication date	Feb 2, 2016
Grant date	Feb 2, 2016

Abstract

An adaptor for connecting a microstrip line and a waveguide is disclosed that includes a microstrip line part and a waveguide part. The microstrip line part includes a microstrip port pattern and a patch pattern on an upper portion of a substrate, where the patch pattern is joined to an end portion of the microstrip port pattern. The waveguide part includes a waveguide hole, for transferring a signal provided from the patch pattern; a channel hole, which is formed in an area for joining with the microstrip line part, is formed along a first direction orthogonal to a direction of the waveguide hole in correspondence to the microstrip port pattern, and is connected with the waveguide hole; and a stub hole, which is connected with the waveguide hole and is formed in an area for joining with the microstrip line part along a second direction opposite to the first direction.

First claim

What is claimed is:

1. An adaptor for connecting a microstrip line and a waveguide, the adaptor comprising:
a microstrip line part including a microstrip port pattern and a patch pattern on an upper portion of a substrate, the patch pattern joined to an end portion of the microstrip port pattern; and
a waveguide part joined to an upper portion of the microstrip line part, the waveguide part comprising:
a waveguide hole for transferring a signal provided from the patch pattern;
a channel hole formed in an area for joining with the microstrip line part along a first direction orthogonal to a direction of the waveguide hole in correspondence to the microstrip port pattern, the channel hole connected with the waveguide hole; and
a stub hole connected with the waveguide hole and formed in an area for joining with the microstrip line part along a second direction opposite to the first direction,
wherein at least a portion of the patch pattern is positioned within the stub hole.

2. The adaptor of claim 1 , wherein a ground pattern is formed on an upper portion of the substrate, the ground pattern separated by a particular distance from the microstrip port pattern and the patch pattern to be formed around the microstrip port pattern and the patch pattern.

3. The adaptor of claim 2 , wherein the stub hole is formed such that a distance from a center portion of the waveguide hole to an end portion of the stub hole is a quarter of a wavelength.

4. The adaptor of claim 3 , wherein the waveguide hole is formed penetrating through a housing of the waveguide part.

5. The adaptor of claim 3 , wherein the waveguide part comprises a housing having the waveguide hole, the channel hole, and the stub hole formed therein, and the channel hole is formed in a direction orthogonal to the waveguide hole from the waveguide hole up to a sidewall of the housing of the waveguide part.

Assignees

• Ace tech corp

Inventors

• Milyakh Yaroslav
• Kim Hak-Kyoun
• Sun Da Young

Classifications

• H01P5/107 Primary

  Hollow-waveguide/strip-line transitions · CPC title

• H01P5/08

  for linking dissimilar lines or devices (H01P1/16, H01P5/04 take precedence; linking lines of the same kind but with different dimensions H01P5/02) · CPC title

• H01P7/08 Primary

  Strip line resonators · CPC title