Multilayer dielectric resonator antenna and antenna module

Patent metadata

Field	Value
Publication number	US-2022013915-A1
Application number	US-202117176421-A
Country	US
Kind code	A1
Filing date	Feb 16, 2021
Priority date	Jul 8, 2020
Publication date	Jan 13, 2022
Grant date	—

Abstract

A dielectric resonator antenna includes: a first dielectric block; at least one second dielectric block stacked on the first dielectric block in a first direction; and a feed unit disposed in the first dielectric block. A side surface of the first dielectric block facing a second direction crossing the first direction is exposed to an outside of the dielectric resonator antenna.

First claim

What is claimed is:

1 . A dielectric resonator antenna, comprising:
a first dielectric block; at least one second dielectric block stacked on the first dielectric block in a first direction; and a feed unit disposed in the first dielectric block, wherein a side surface of the first dielectric block facing a second direction crossing the first direction is exposed to an outside of the dielectric resonator antenna.

2 . The dielectric resonator antenna of claim 1 , wherein the first dielectric block and the second dielectric block are bonded with a polymer layer interposed between the first dielectric block and the second dielectric block.

3 . The dielectric resonator antenna of claim 1 , wherein the first dielectric block and a second dielectric block adjacent to the first dielectric block, among the at least one second dielectric block are aligned with each other such that at least one pair of side surfaces of the first dielectric block and the second dielectric block are positioned on a same plane.

4 . The dielectric resonator antenna of claim 1 , wherein the at least one second dielectric block has a same stacking plane shape to overlap the first dielectric block on a stacking plane.

5 . The dielectric resonator antenna of claim 1 , wherein the first dielectric block and the at least one second dielectric block have different dielectric constants.

6 . The dielectric resonator antenna of claim 1 , wherein the feed unit includes a feed via extending in the first direction within the first dielectric block.

7 . The dielectric resonator antenna of claim 6 , wherein the feed via includes a first feed via and a second feed via spaced apart from each other in the first dielectric block.

8 . The dielectric resonator antenna of claim 1 , wherein the feed unit includes a feed strip extending in the first direction on an outer surface of the first dielectric block.

9 . The dielectric resonator antenna of claim 1 , further comprising a metal via extending in the first direction in a second dielectric block, among the at least one second dielectric block.

10 . The dielectric resonator antenna of claim 9 , wherein the metal via includes a plurality of metal vias disposed inside the second dielectric block,
wherein the plurality of metal vias are arranged along a circumference of the second dielectric block to form a via wall.

11 . The dielectric resonator antenna of claim 1 , further comprising a metal wall formed along a circumference of a second dielectric block, among the at least one second dielectric block, to cover an outer side surface of the second dielectric block.

12 . The dielectric resonator antenna of claim 1 , further comprising a metal patch connected to the feed unit and disposed on an upper surface of the first dielectric block.

13 . The dielectric resonator antenna of claim 1 , wherein the at least one second dielectric block is stacked on the first dielectric block in only the first direction, and the first direction is one direction among two directions of an axis.

14 . A dielectric resonator antenna module, comprising:
a board; a first dielectric block disposed on the board; at least one second dielectric block stacked on the first dielectric block in a first direction; and a feed unit disposed in the first dielectric block, wherein a side surface of the first dielectric block facing a second direction crossing the first direction is exposed to an outside of the dielectric resonator antenna module.

15 . The dielectric resonator antenna module of claim 14 , wherein the board includes a stacking plane, and the first direction is a direction that is perpendicular to the stacking plane.

16 . The dielectric resonator antenna module of claim 14 , wherein a polymer is disposed between the first dielectric block and the at least one second dielectric block.

17 . The dielectric resonator antenna module of claim 14 , wherein the feed unit includes a feed via connected to a feed wire positioned on the board and extending in the first direction within the first dielectric block.

18 . The dielectric resonator antenna module of claim 14 , wherein the at least one second dielectric block is stacked on the first dielectric block in only the first direction, and the first direction is one direction among two directions of an axis.

19 . A dielectric resonator antenna, comprising:
a first dielectric block; a second dielectric block vertically stacked on the first dielectric block; and a feed unit including either one of feed vias extending vertically inside the first dielectric block and feed strips extending vertically on a side surface of the first dielectric block, wherein the side surface of the first dielectric block extends vertically and is exposed to an outside of the dielectric resonator antenna.

20 . The dielectric resonator antenna of claim 19 , further comprising metal vias disposed in the second dielectric block, and extending vertically.

21 . The dielectric resonator antenna of claim 20 , wherein the feed unit includes the feed vias, and the feed vias are formed by portions of the metal vias.

22 . The dielectric resonator antenna of claim 19 , further comprising a polymer layer disposed between the first dielectric block and the second dielectric block.

23 . The dielectric resonator antenna of claim 19 , further comprising a third dielectric block vertically stacked on the first dielectric block, and disposed between the first dielectric block and the second dielectric block.

24 . The dielectric resonator antenna of claim 23 , further comprising:
metal vias disposed in the second dielectric block, and extending vertically, wherein the third dielectric block does not include any metal vias.

25 . The dielectric resonator antenna of claim 23 , further comprising:
metal vias disposed in the third dielectric block, and extending vertically, wherein the second dielectric block does not include any metal vias.

Assignees

• Samsung Electro Mech

Inventors

• Han Myeong Woo
• Hur Youngsik
• Ryoo Jeongki
• Lee Hyungjin
• Lee Woncheol
• Kim Wongi

Classifications

• H01P7/10

  Dielectric resonators · CPC title

• H01Q1/22 Primary

  by structural association with other equipment or articles · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H01Q9/0485 Primary

  Dielectric resonator antennas · CPC title

• H01Q9/0414

  in a stacked or folded configuration · CPC title