HOLLOW CELL CRLH ANTENNA DEVICES

• US 20110241946A1
• Filed: 04/01/2011
• Published: 10/06/2011
• Est. Priority Date: 04/02/2010
• Status: Active Grant

• Current Assignee: Tyco Electronics Services GmbH (TE Connectivity Ltd. (United Kingdom))
• Original Assignee: Tyco Electronics Services GmbH (TE Connectivity Ltd. (United Kingdom))
• Inventors: Thornwall, Shane, Xu, Nan, Pathak, Vaneet, Lopez, Norberto
• Granted Patent: US 8,681,050 B2
• Time in Patent Office: Days
• US Class Current: 343/700.MS
• CPC Class Codes: H01Q 1/243 with built-in antennas
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142

Abstract

A CRLH antenna device is presented having a hollow cell patch structure.

Claims

1. An wireless device, comprising:

a substrate;

an antenna device formed on the substrate, comprising;

a ground electrode formed on a substrate;

a cell patch, wherein the cell patch comprises an enclosed conductive portion formed along an exterior edge of the cell patch, leaving an interior portion of the cell patch to partially expose the substrate;

a feed structure electromagnetically coupled to the cell patch;

a via line coupled to the ground electrode; and

a via coupling the via line to the cell patch.

2. The wireless device of claim 1, wherein the antenna device is a Composite Right and Left Handed (CRLH) structure.

3. The wireless device of claim 2, wherein the CRLH structure supports a plurality of modes as a function of frequency.

4. The wireless device of claim 3, wherein the plurality of modes include a Left-Hand (LH) mode and a Right-Hand (RH) mode.

5. The wireless device of claim 3, further comprising:

a conductive element formed in the interior of the cell patch.

6. The wireless device of claim 5, wherein the conductive element forms an extended meander line.

7. The wireless device of claim 1, wherein the cell is in the form of a polygon.

8. The wireless device of claim 1, wherein the cell patch includes a cell ring, a plurality of cutouts, or plurality of cutouts inside each other.

9. The wireless device of claim 2, wherein the CRLH structure supports a plurality of modes as a function of frequency.

10. The wireless device of claim 1, wherein the substrate is made of a dielectric material, and the antenna device comprises metallic structures.

12. The wireless device of claim 10, wherein the antenna device is a Composite Right and Left Hand (CRLH) structure.

11. A wireless device, comprising:

a substrate;

a ground electrode supported by the substrate;

a first cell patch formed on a first surface of the substrate, wherein the first cell patch comprises an enclosed conductive portion formed along an exterior edge of the first cell patch, leaving an interior portion of the first cell patch to partially expose the substrate;

a second cell patch formed on a second surface of the substrate, wherein the second cell patch comprises a second enclosed conductive portion formed along an exterior edge of the second cell patch, leaving an interior portion of the second cell patch to partially expose the substrate;

a feed structure electromagnetically coupled to the first and second cell patches;

a first and a second via line, each coupled to the ground electrode, the second via line connected to the second cell patch; and

a via coupling the first via line to the first cell patch.

13. The wireless device of claim 11, wherein the conductive element forms an extended meander line.

14. The wireless device of claim 11, wherein at least one of the first and second cell patches is in the form of a polygon.

15. The wireless device of claim 11, wherein at least one of the first and second cell patches includes a cell ring, a plurality of cutouts.

16. The wireless device of claim 11, wherein at least one of the first and second cell patches includes a plurality of cutouts inside each other.

17. The wireless device of claim 11, wherein the CRLH structure supports a plurality of modes as a function of frequency.

18. A method, comprising:

forming a ground electrode on a substrate;

forming a cell patch on the substrate, wherein the cell patch comprises an enclosed conductive portion formed along an exterior edge of the cell patch, leaving an interior portion of the cell patch to partially expose a dielectric portion of the substrate;

forming a feed structure electromagnetically coupled to the cell patch;

forming a via line coupled to the ground electrode; and

forming a via coupling the via line to the cell patch.

19. The method of claim 18, wherein the CRLH structure supports a plurality of modes as a function.

20. The method of claim 18, further comprising forming an extended meander line in the feed structure on the substrate as a conductive element.