Multi-layer-multi-turn structure for high efficiency wireless communication

Patent metadata

Field	Value
Publication number	US-9208942-B2
Application number	US-201113233569-A
Country	US
Kind code	B2
Filing date	Sep 15, 2011
Priority date	Mar 9, 2009
Publication date	Dec 8, 2015
Grant date	Dec 8, 2015

Abstract

A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency.

First claim

What is claimed is:

1. A structure for wireless communication, comprising:
a) a plurality of conductors, wherein each of the plurality of conductors comprises a skin depth and a conductor thickness greater than the skin depth;
b) an insulator separating each of the conductors arranged to form a resonator capable of resonating at an operating frequency, wherein the plurality of conductors is in a parallel orientation;
c) at least one connector connecting two or more of the conductors; and
d) wherein an electrical signal is propagatable through the resonator.

2. The structure of claim 1 wherein the plurality of conductors comprises at least one of a conductive tape, a conductive ribbon, and a deposited metal.

3. The structure of claim 1 wherein the electrical signal comprises an electrical signal frequency selected from a frequency range from about 100 kHz to about 10 GHz.

4. The structure of claim 3 wherein the electrical signal frequency is a frequency band that is within the range of about 100 kHz to about 10 GHz.

5. The structure of claim 1 wherein a number of the plurality of conductors is less than or equal to a total number of layers and are connected electrically in parallel.

6. The structure of claim 5 wherein the plurality of conductors connected electrically in parallel is connected electrically in series with one or more of a second plurality of conductors connected electrically in parallel.

7. The structure of claim 1 wherein the electrical signal comprises at least one of an energy signal, a power signal, and a data signal.

8. The structure of claim 1 wherein the electrical signal is at least one of an electrical current, an electrical voltage, or a digital data signal.

9. The structure of claim 1 having a quality factor greater than 100 at the operating frequency of at least about 10 7 Hz.

10. The structure of claim 1 electrically connected to a circuit element selected from the group consisting of a resistor, an inductor, a capacitor, and combinations thereof.

11. The structure of claim 1 wherein the conductor comprises a cross-sectional shape that is at least one of a circular cross-section, a rectangular cross-section, a square cross-section, a triangular cross-section, and an elliptical cross-section.

12. The structure of claim 1 wherein the connector is selected from the group consisting of a via, a solder, a tab, a wire, a pin, a rivet, and combinations thereof.

13. The structure of claim 1 wherein the resonator comprises a structural shape selected from the group consisting of a circular solenoidal configuration, a square solenoidal configuration, a circular spiral configuration, a square spiral configuration, a rectangular configuration, a triangular configuration, a circular spiral-solenoidal configuration, a square spiral-solenoidal configuration, and a conformal solenoid configuration.

14. The structure of claim 1 wherein at least two of the plurality of conductors has at least one turn.

15. The structure of claim 1 wherein at least one conductor of the plurality of conductors is formed from an electrically conductive material.

16. The structure of claim 15 wherein the electrically conductive material comprises at least one of copper, titanium, platinum and platinum/iridium alloys, tantalum, niobium, zirconium, hathium, nitinol, Co—Cr—Ni alloys, stainless steel, gold, a gold alloy, palladium, carbon, silver, a noble metal, and a biocompatible material.

17. The structure of claim 1 wherein at least one insulator is formed from an electrically insulative material.

18. The structure of claim 17 wherein the electrically insulative material comprises at least one of air, polystyrene, silicon dioxide, a suitable biocompatible ceramic or any similar dielectric with a low permittivity, a non-conductive dielectric with a high permittivity, and a ferrite material.

19. The structure of claim 1 further incorporatable within a device comprising at least one of a resonator, an antenna, an RFID tag, an RFID transponder, and a medical device.

20. The structure of claim 1 wherein propagation of the electrical signal through the resonator causes an electrical resistance within at least one of the plurality of conductors to be reduced from a first electrical resistance value to a second resistance value that is less than the first electrical resistance value.

21. A resonator for wireless communication, comprising:
a) a plurality of conductors, wherein each of the plurality of conductor comprises a skin depth and a conductor thickness greater than the skin depth;
b) an insulator positioned in between each of the plurality of conductors, wherein the plurality of conductors and insulators are arranged to form a resonator body having the plurality of conductors in a parallel orientation, and wherein the plurality of conductors and insulators has at least one turn, the resonator body configured to resonate at an operating frequency; and
c) wherein the resonator exhibits a quality factor greater than 100 at the operating frequency of at least 5 MHz.

22. The resonator of claim 21 wherein at least one of the plurality of conductors comprises at least one of a conductive tape, a conductive ribbon, and a deposited metal.

23. The resonator of claim 21 wherein the plurality of conductors comprises a first conductor and a second conductor wherein the first conductor is connected to the second conductor by at least one connector.

24. The resonator of claim 21 wherein the conductor has a cross-sectional shape comprising at least one of a circular cross-section, a rectangular cross-section, a square cross-section, a triangular cross-section, and an elliptical cross-section.

25. The resonator of claim 21 wherein an electrical signal is propagatable through at least one of the plurality of conductors, wherein the electrical signal comprises at least one of an energy signal, a power signal, and a data signal.

26. The resonator of claim 21 wherein an electrical signal is propagatable through at least one of the plurality of conductors, wherein the electrical signal comprises at least one of an electrical current, an electrical voltage, and a digital data signal.

27. The resonator of claim 21 wherein the skin depth ranges from approximately one-quarter of the conductor thickness to about equal to the conductor thickness.

28. The resonator of claim 21 wherein the conductor thickness ranges from about the conductor skin depth to about twice the conductor skin depth.

29. The resonator of claim 21 wherein the conductor thickness is greater than about two times the conductor skin depth.

30. The resonator of claim 21 wherein each of the plurality of conductors has substantially a same conductor length, conductor height, and conductor thickness.

31. The resonator of claim 21 wherein the resonator has a quality factor greater than 500 at the operating frequency of at least about 10 8 Hz.

32. The resonator of claim 21 wherein the resonator body comprises a structural shape selected from the group consisting of a circular solenoidal configuration, a square solenoidal configuration, a circular spiral configuration, a square spiral configuration, a rectangular configuration, a triangular configuration, a circular spiral-solenoidal configuration, a square spiral-solenoidal confi

Assignees

• Singh Vinit
• Frysz Christine A
• Nucurrent Inc

Inventors

• Singh Vinit
• Frysz Christine A

Classifications

• H01F17/0013

  with stacked layers · CPC title

• H05K1/165

  incorporating printed inductors · CPC title

• H04B5/0075

  Electricity · mapped topic

• H01F38/14 Primary

  Inductive couplings {(for wireless supply or distribution of electric power using inductive coupling H02J50/10)} · CPC title

• H04B5/24

  Inductive coupling · CPC title