IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0797534
(2013-03-12)
|
등록번호 |
US-8710948
(2014-04-29)
|
발명자
/ 주소 |
- Singh, Vinit
- Babcock, Jacob
- Frysz, Christine A.
|
출원인 / 주소 |
|
대리인 / 주소 |
McDermott, Will & Emery LLP
|
인용정보 |
피인용 횟수 :
18 인용 특허 :
15 |
초록
▼
A multi-layer, multi-turn structure for an inductor having a plurality of conductor layers separated by layers of insulator is described. The inductor further comprises a connector electrically connected between the conductor layers. The structure of the inductor may comprise a cavity therewithin. T
A multi-layer, multi-turn structure for an inductor having a plurality of conductor layers separated by layers of insulator is described. The inductor further comprises a connector electrically connected between the conductor layers. The structure of the inductor may comprise a cavity therewithin. The structure of the inductor constructed such that electrical resistance is reduced therewithin, thus increasing the efficiency of the inductor. The inductor is particularly useful at operating within the radio frequency range and greater.
대표청구항
▼
1. A method of operating an electrical circuit, the method comprising the following steps: a) providing a first electrical circuit electrically connectable to a power source, the first electrical circuit comprising at least an inductor, comprising: i) a first conductor;ii) a second conductor spaced
1. A method of operating an electrical circuit, the method comprising the following steps: a) providing a first electrical circuit electrically connectable to a power source, the first electrical circuit comprising at least an inductor, comprising: i) a first conductor;ii) a second conductor spaced apart from the first conductor, the first conductor and the second conductor being electrically conductive;iii) an insulator positioned in the space between the first conductor and the second conductor; andiv) at least one connector electrically connecting the first conductor and the second conductor;b) adjusting a power level of the power source;c) propagating an electrical current within at least the first conductor; andd) changing at least one of a frequency, a magnitude, or a waveform shape of the propagated electrical current such that a magnetic flux is generated within the inductor. 2. The method of claim 1 including generating an electromotive force when at least one of the frequency, the magnitude, or the waveform shape is changed. 3. The method of claim 2 including generating a magnitude of the magnetic flux proportional to the amount of change of at least one of the frequency, the magnitude, or the waveform shape of the electrical current. 4. The method of claim 1 including reducing an electrical resistance of at least the first conductor or the second conductor by increasing a cross-sectional area of a conducting skin depth within at least the first conductor or the second conductor. 5. The method of claim 1 including providing a thickness of the first conductor about equal to a thickness of a skin depth of the first conductor at a given operating frequency. 6. The method of claim 1 including providing a thickness of the first conductor ranging from about 1.25 times to about 4 times a thickness of a skin depth of the first conductor at a given operating frequency. 7. The method of claim 1 including providing a thickness of the second conductor ranging from about 1.25 times to about 4 times a thickness of a skin depth of the second conductor at a given operating frequency. 8. The method of claim 1 including providing a first conductor thickness about the same as a second conductor thickness. 9. The method of claim 1 including providing a first conductor thickness different from a second conductor thickness. 10. The method of claim 1 including providing a thickness of a first skin depth of the first conductor about the same as a thickness of a second skin depth of the second conductor. 11. The method of claim 1 including providing a thickness of a first skin depth of the first conductor different than a thickness of a second skin depth of the second conductor. 12. The method of claim 1 including providing a thickness of the insulator less than about 5 cm. 13. The method of claim 1 including providing the inductor having an inductor quality factor greater than about 5. 14. The method of claim 13 including defining the inductor quality factor by the equation Q=2πfLR where f is the frequency of operation, L is the inductance, and R is the total ohmic and radiative resistance. 15. The method of claim 1 including operating the inductor at an inductor frequency of at least 3 kHz. 16. The method of claim 1 including providing at least one of the first conductors of a thermally conductive material. 17. The method of claim 1 including providing the connector comprising at least one of a via, a solder, a tab, a wire, a pin, a rivet, a filled mesh structure, a conductive polymer, a conductive composite, a conductive adhesive, a liquid metal, or a foamed metal. 18. The method of claim 1 including electrically connecting at least one connector to the first conductor and the second conductor in parallel or series. 19. The method of claim 1 including forming the inductor structure in which the first and second conductors are positioned in about a parallel orientation, a perpendicular, or at an angular relationship with respect to each other. 20. The method of claim 1 including providing a third conductor and a fourth conductor electrically connected in parallel or series, wherein the first and second conductors are connected electrically in parallel or series and are further electrically connectable in series or parallel with the third and fourth conductors. 21. The method of claim 1 including providing the inductor electrically connectable with a second electrical circuit operational at about 3 kHz or greater. 22. The method of claim 21 including selecting the electrical circuit from the group consisting of a mixer circuit, an impedance matching circuit, an upconverting mixer circuit, a downconverting mixer circuit, a modulator, a demodulator, a synthesizing circuit, a PLL synthesizing circuit, an amplifying circuit, an electrical driver circuit, an electrical detecting circuit, an RF log detector, an RF RMS detector, an electrical transceiver, a power controller, and combinations thereof. 23. The method of claim 1 including providing the inductor electrically connectable within an induction heating circuit. 24. The method of claim 1 including providing a control circuit electrically connectable to the inductor or other electrical component comprising the first electrical circuit. 25. The method of claim 1 including providing at least the first and second conductors having at least a partial revolution. 26. The method of claim 1 including selecting the first conductor or the second conductor from the group of materials consisting of copper, titanium, platinum, platinum and iridium alloys, tantalum, niobium, zirconium, hafnium, nitinol, cobalt-chromium-nickel alloys, stainless steel, gold, a gold alloy, palladium, carbon, silver, a noble metal, a conductive polymer, a conductive adhesive, a conductive composite, a liquid metal, a foamed metal, a conductive tape, a conductive ribbon, a conductive foil, a conductive leaf, a wire, a deposited metal, a biocompatible material, and combinations thereof. 27. The method of claim 1 including providing at least one insulator of an electrically insulative material. 28. The method of claim 1 including selecting the insulator from the group consisting of air, polystyrene, silicon dioxide, a biocompatible ceramic, a conductive dielectric material, a non-conductive dielectric material, a piezoelectric material, a pyroelectric material, a ferrite material, and combinations thereof. 29. A method of operating an electrical circuit, the method comprising the following steps: a) providing an electrical circuit electrically connectable to a power source, the electrical circuit comprising at least an inductor, comprising: i) a first inductor subassembly, comprising a first conductor and a second conductor spaced apart from the first conductor, the first conductor and the second conductor being electrically conductive;ii) a first insulator positioned in the space between the first conductor and the second conductors;iii) a first connector electrically connecting the first conductor and the second conductor in parallel or series;iv) a second inductor subassembly, comprising a third conductor and a fourth conductor spaced apart from the third conductor, the third conductor and the fourth conductor being electrically conductive;v) a second insulator positioned in the space between the third conductor and the fourth conductor; andvi) a second connector electrically connecting the third conductor and the fourth conductor in parallel or series, wherein the first inductor subassembly is electrically connectable in series or parallel to the second inductor subassembly;b) adjusting a power level of the power source;c) adjusting an electrical circuit operating frequency to at least about 3 kHz;d) propagating an electrical current within at least the first conductor; ande) changing at least one of a frequency, a magnitude, or a waveform shape of the propagated electrical current such that a magnetic flux is generated. 30. The method of claim 29 including orientating the first conductor subassembly and the second inductor subassembly such that the first and second inductor subassemblies are positioned about parallel, about perpendicular, or at an angular relationship with respect to each other. 31. The method of claim 1 including electrically connecting a resistor or a capacitor to the first electrical circuit. 32. The method of claim 1 including adjusting an electrical circuit operating frequency of the first electrical circuit to at least about 3 kHz. 33. The method of claim 29 including providing a control circuit electrically connectable to the inductor and/or the electrical circuit.
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