DIELECTRIC ANTENNA AND ANTENNA MODULE

• US 20130169499A1
• Filed: 06/08/2012
• Published: 07/04/2013
• Est. Priority Date: 12/30/2011
• Status: Active Grant

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Lin, Hung-Hsuan, Pu, Ta-Chun, Wu, Chun-Yih
• Granted Patent: US 8,957,819 B2
• Time in Patent Office: Days
• US Class Current: 343/776
• CPC Class Codes: H01L 2223/6677 for antenna, e.g. antenna included within housing of semiconductor device
• CPC Class Codes: H01L 2224/16227 the bump connector connecting to a bond pad of the item
• CPC Class Codes: H01L 2924/15192 Resurf arrangement of the internal vias
• CPC Class Codes: H01L 2924/15321 being a ball array, e.g. BGA
• CPC Class Codes: H01Q 13/24 constituted by a dielectric or ferromagnetic rod or pipe H01Q13/28 takes precedence
• CPC Class Codes: H01Q 21/0006 Particular feeding systems
• CPC Class Codes: H01Q 21/08 the units being spaced along or adjacent to a rectilinear path waveguide fed H01Q21/0037
• CPC Class Codes: H01Q 21/205 providing an omnidirectional coverage turnstile aerials H01Q21/26

Abstract

A dielectric antenna includes at least one dielectric unit. Each dielectric unit is separated into a first region and a second region, and the second region could have a bending portion. A conductor covers a surface of the second region of the dielectric unit to form a waveguide structure. The waveguide structure has a first endpoint connected to the first region and a second endpoint serving as a signal feeding terminal for feeding or receiving signals.

Claims

1. A dielectric antenna, comprising:

a plurality of dielectric units, each individual dielectric unit separated into a first region and a second region;

at least one conductive structure, covering a surface of the second region of each individual dielectric unit to form a waveguide structure, wherein a first endpoint of the waveguide structure is connected to the first region, and a second endpoint of the waveguide structure is a signal feeding terminal;

at least one interconnect structure, wherein the at least one interconnect structure is connected with the waveguide structure to form at least one integrated structure, wherein a cross-sectional width of the at least one interconnect structure is smaller than a critical size; and

a signal feeding structure, with an endpoint adjacent to the signal feeding terminal of the waveguide structure for feeding or receiving signals.

2. The dielectric antenna of claim 1, wherein at least one of the second region has a bending portion.

3. The dielectric antenna of claim 1, wherein the plurality of dielectric units are divided into a plurality of groups, and each individual group has multiple wave beam angles.

4. The dielectric antenna of claim 1, wherein the critical size is not greater than a half wavelength of an operating signal.

5. The dielectric antenna of claim 1, further comprising a plurality of conductive poles that are distributed and surrounded the endpoint of the signal feeding structure and the plurality of conductive poles are grounded and perpendicular to an extensional plane of the signal feeding structure.

6. The dielectric antenna of claim 1, wherein the at least one conductive structure covers on a part of the surface or a complete surface of the at least one interconnect structure.

7. A dielectric antenna, comprising:

a dielectric unit, which are separated into a first region and a second region, the second region has a bending portion; and

a conductive structure, covers a surface of the bending portion from the second region to form a waveguide structure, wherein a first endpoint of the waveguide structure is connected with the first region, and a second endpoint of the waveguide structure is a signal feeding terminal.

8. The dielectric antenna of claim 7, further comprising

a signal feeding structure, having an endpoint adjacent to the signal feeding terminal of the waveguide structure, for feeding or receiving signals;

and

a plurality of conductive poles that are distributed and surrounded the endpoint of the signal feeding structure and the plurality of conductive poles are grounded and perpendicular to an extensional plane of the signal feeding structure.

9. The dielectric antenna of claim 7, further comprising

an interconnect structure, which the interconnect structure is connected with the waveguide structure, wherein a cross-sectional width of the interconnect structure is smaller than a critical size.

10. An antenna module, comprising:

a carrier board, comprising a plurality of conductive layers, and the plurality of conductive layers comprising;

a first conductive layer for grounding at a side of the carrier board, wherein the first conductive layer has a plurality of openings; and

a second conductive layer, comprising a plurality of signal feeding structures respectively having an endpoint corresponding to one of the plurality of openings of the first conductive layer;

a plurality of dielectric units, which the individual dielectric unit is configured on a corresponding opening of the first conductive layer, respectively, wherein each of the plurality of dielectric units is separated into a first region and a second region; and

at least one conductive structure, covers a surface of the second region of each individual dielectric unit to form a waveguide structure, and a signal feeding terminal of each individual waveguide structure respectively corresponds to one of the plurality of openings of the first conductive layer,

wherein the endpoint of the plurality of signal feeding structures are disposed respectively to the corresponding waveguide structures, for feeding or receiving signals from the signal feeding terminal of each waveguide structure.

11. The antenna module of claim 10, wherein at least one of the second region has a bending portion.

12. The antenna module of claim 10, further comprising a plurality of conductive poles that are distributed and surrounded the endpoint of the plurality of signal feeding structures.

13. The antenna module of claim 10, further comprising at least one interconnect structure, which interconnects to the waveguide structure to form at least one integrated structure, and a cross-sectional width of the at least one interconnect structure is smaller than a critical size.

14. The antenna module of claim 13, wherein the critical size is not greater than a half wavelength of an operating signal.

15. The antenna module of claim 10, wherein the plurality of dielectric units of are divided into a plurality of groups, and each individual group has multiple wave beam angles.

16. The antenna module of claim 10, wherein the plurality of dielectric units are distributed to form an array.

17. The antenna module of claim 10, further comprising at least one integrated circuit chip electrically connected to the plurality of dielectric units by the carrier board.