Electronic devices, such as antennas, having fluidic constructs that permit reconfiguration of the devices

• US 9,293,821 B2
• Filed: 07/08/2010
• Issued: 03/22/2016
• Est. Priority Date: 07/08/2009
• Status: Active Grant

• Current Assignee: Charles Stark Draper Laboratory Incorporated
• Original Assignee: Charles Stark Draper Laboratory Incorporated
• Inventors: Duwel, Amy E., Fiering, Jason O., White, Douglas W., Mescher, Mark J., Bauer, Joseph M., Lachapelle, John R., Mclaughlin, Bryan, Spaepen, Frans
• Primary Examiner(s): Purvis, Sue A
• Assistant Examiner(s): KIM, JAE K
• Application Number:
  US12/832,587
• Publication Number:
  US 20120007778A1
• Time in Patent Office: 2,084 Days
• Field of Search: 336/20, 343/720, 343/822, 343/866, 343/895, 343/700.MS
• US Class Current: 1/1
• CPC Class Codes: H01Q 3/01 varying the shape of the antenna or antenna system
• CPC Class Codes: H01Q 3/446 the radiating element being at the centre of one or more rings of auxiliary elements

Abstract

In various embodiments, an actuating mechanism is employed to displace a conductor disposed within a fluidic channel, thereby reconfiguring an electronic component.

Claims

1. A reconfigurable electronic component, comprising:

a planar conducting surface;

a liquidic channel containing a liquid and configured to at least partially overlie the planar conducting surface and to partially extend from the planar conducting surface;

a first conductor moveable through the liquid that is disposed within the liquidic channel; and

an actuating mechanism not overlapping with the planar conducting surface and comprising a second conductor maintained within a portion of the liquidic channel not overlying the planar conducting surface, the actuating mechanism being configured to displace the second conductor, and thereby the liquid and the first conductor, within the liquidic channel, displacement of the first conductor changing an electromagnetic property of the reconfigurable electronic component.

2. The component of claim 1, wherein the liquidic channel overlies only a part of planar conducting surface.

3. The component of claim 1, wherein the planar conducting surface is continuous.

4. The component of claim 1, wherein the liquidic channel is closed.

5. The component of claim 1, wherein the actuating mechanism further comprises a plurality of electrodes configured to displace the second conductor within the portion of the liquidic channel not overlying the planar conducting surface.

6. The component of claim 1, wherein the planar conducting surface is at least a portion of an antenna.

7. The component of claim 1, further comprising an insulator disposed within the liquidic channel.

8. The component of claim 7, wherein the insulator is a fluidic insulator.

9. The component of claim 7, wherein the insulator and the first conductor are immiscible fluids.

10. The component of claim 1, wherein the liquidic channel and the actuating mechanism are disposed within a cover layer that is physically separable from the planar conducting surface.

11. The component of claim 1, further comprising a ground plane disposed beneath the planar conducting surface.

12. The component of claim 1, wherein the first conductor is a conductive fluid.

13. The component of claim 1, wherein the first conductor comprises a conductive solid.

14. The component of claim 1, wherein the liquidic channel is elongated.

15. The component of claim 1, wherein the liquidic channel is tortuous.

16. A cover layer for imparting reconfigurability to an electronic component comprising a conducting surface, the cover layer comprising:

a substrate;

a liquidic channel associated with the substrate and containing a liquid, a first section of the liquidic channel being configured to overlie at least a portion of the conducting surface, and a second section of the liquidic channel being configured to extend from the conducting surface;

a first conductor moveable through the liquid disposed within the liquidic channel;

and an actuating mechanism comprising a second conductor maintained within the second section of the liquidic channel, the actuating mechanism being configured;

(i) not to overlap with the conducting surface, and (ii) to displace the second conductor, and thereby the liquid and the first conductor, within the liquidic channel, displacement of the first conductor changing an electromagnetic property of the electronic component.

17. The cover layer of claim 16, wherein the first section of the liquidic channel is configured to overlie only a part of the conducting surface.

18. The cover layer of claim 16, further comprising an insulator disposed within the liquidic channel, the insulator and the first conductor being immiscible fluids.

19. The cover layer of claim 16, wherein the actuating mechanism further comprises a plurality of electrodes configured to displace the second conductor within the second section of the liquidic channel.

20. The cover layer of claim 16, wherein the first conductor is a conductive fluid.

21. The cover layer of claim 16, wherein the first conductor comprises a conductive solid.

22. The cover layer of claim 16, wherein the liquidic channel is disposed on the substrate.

23. The cover layer of claim 16, wherein the liquidic channel is disposed within the substrate.