Resonant coils with integrated capacitance
A resonant coil with integrated capacitance includes at least one separation dielectric layer and a plurality of conductor layers stacked in an alternating manner. Each of the plurality of conductor layers includes a first conductor sublayer and second conductor sublayer having common orientation and a sublayer dielectric layer separating the first and second conductor sublayers, each conductor layer having multiple discontinuities.
1. A resonant coil with integrated capacitance, comprising:
at least one separation dielectric layer and a plurality of conductor layers stacked in an alternating manner, each of the plurality of conductor layers including:
a first conductor sublayer forming a plurality of first discontinuities,
a second conductor sublayer forming a plurality of second discontinuities, each second discontinuity being displaced from each first discontinuity, and
a sublayer dielectric layer separating the first and second conductor sublayers.
2. The resonant coil of claim 1 , the at least one separation dielectric layer and the plurality of conductor layers being concentrically stacked in an alternating manner around a common axis.
3. The resonant coil of claim 2 , the common axis forming a loop around a center axis of the resonant coil, and the resonant coil having a toroidal shape.
4. The resonant coil of claim 3 , wherein in each conductor layer:
the first conductor sublayer forms each of the plurality of first discontinuities along the common axis, such that the first conductor sublayer does not completely encircle the center axis;
the second conductor sublayer forms each of the plurality of second discontinuities along the common axis, such that the second conductor sublayer does not completely encircle the center axis; and
each first discontinuity is angularly offset from each second discontinuity around the center axis.
5. The resonant coil of claim 3 , wherein in each conductor layer:
the first conductor sublayer forms each of the plurality of first discontinuities such that the first conductor sublayer does not completely encircle the common axis;
the second conductor sublayer forms each of the plurality of second discontinuities such that the second conductor sublayer does not completely encircle the common axis; and
each first discontinuity is angularly offset from each second discontinuity around the common axis.
6. The resonant coil of claim 2 , wherein in each conductor layer:
the first conductor sublayer forms each of the plurality of first discontinuities such that the first conductor sublayer does not completely encircle the common axis;
the second conductor sublayer forms each of the plurality of second discontinuities such that the second conductor sublayer does not completely encircle the common axis; and
each first discontinuity is angularly offset from each second discontinuity around the common axis.
7. The resonant coil of claim 6 , the resonant coil having a cylindrical shape, as seen when the resonant coil is viewed cross-sectionally along the common axis.
8. The resonant coil of claim 6 , the resonant coil having a rectangular shape, as seen when the resonant coil is viewed cross-sectionally along the common axis.
9. The resonant coil of claim 1 , the at least one separation dielectric layer and the plurality of conductor layers being stacked in an alternating manner in a thickness direction.
10. The resonant coil of claim 9 , wherein in each conductor layer, each first discontinuity is angularly offset from each second discontinuity around a center axis extending in the thickness direction.
11. A resonant coil with integrated capacitance, comprising:
at least one separation dielectric layer and a plurality of conductor layers stacked in an alternating manner, each of the plurality of conductor layers including:
a first conductor sublayer forming a plurality of first discontinuities,
a second conductor sublayer forming a plurality of second discontinuities, each second discontinuity being aligned with each first discontinuity, and
a sublayer dielectric layer separating the first and second conductor sublayers;
wherein adjacent conductor layers of the plurality of conductor layers have different orientations.
12. The resonant coil of claim 11 , the at least one separation dielectric layer being formed of a first material, the sublayer dielectric layer of each of the plurality of conductor layers being formed of a second material, the first material having a lower dielectric loss than the second material.
13. The resonant coil of claim 11 , the at least one separation dielectric layer and the plurality of conductor layers being concentrically stacked in an alternating manner around a common axis.
14. The resonant coil of claim 13 , the common axis forming a loop around a center axis of the resonant coil, and the resonant coil having a toroidal shape.
15. The resonant coil of claim 14 , wherein in each conductor layer:
the first conductor sublayer forms each of the plurality of first discontinuities along the common axis, such that the first conductor sublayer does not completely encircle the center axis;
the second conductor sublayer forms each of the plurality of second discontinuities along the common axis, such that the second conductor sublayer does not completely encircle the center axis; and
each first discontinuity is angularly aligned with a respective second discontinuity, around the center axis.
16. The resonant coil of claim 14 , wherein in each conductor layer:
the first conductor sublayer forms each of the plurality of first discontinuities such that the first conductor sublayer does not completely encircle the common axis;
the second conductor sublayer forms each of the plurality of second discontinuities such that the second conductor sublayer does not completely encircle the common axis; and
each first discontinuity is angularly aligned with a respective second discontinuity around the common axis.
17. The resonant coil of claim 13 , wherein in each conductor layer:
the first conductor sublayer forms each of the plurality of first discontinuities such that the first conductor sublayer does not completely encircle the common axis;
the second conductor sublayer forms each of the plurality of second discontinuities such that the second conductor sublayer does not completely encircle the common axis; and
each first discontinuity is angularly aligned with a respective second discontinuity around the common axis.
18. The resonant coil of claim 17 , the resonant coil having a cylindrical shape, as seen when the resonant coil is viewed cross-sectionally along the common axis.
19. The resonant coil of claim 17 , the resonant coil having a rectangular shape, as seen when the resonant coil is viewed cross-sectionally along the common axis.
20. The resonant coil of claim 11 , the at least one separation dielectric layer and the plurality of conductor layers being stacked in an alternating manner in a thickness direction.
21. The resonant coil of claim 20 , wherein in each conductor layer, each first discontinuity is angularly aligned with a respective second discontinuity around a center axis extending in the thickness direction.
22. The resonant coil of claim 1 , wherein at least one conductor layer of the plurality of conductor layers varies in thickness.
23. The resonant coil of claim 1 , wherein the at least one separation dielectric layers varies in thickness.