Temperature system with magnetic field suppression

• US 8,138,760 B2
• Filed: 06/23/2008
• Issued: 03/20/2012
• Est. Priority Date: 06/23/2008
• Status: Active Grant

• Current Assignee: Northrop Grumman Guidance & Electronics Co., Inc. (Northrop Grumman Corporation)
• Original Assignee: Northrop Grumman Guidance & Electronics Co., Inc. (Northrop Grumman Corporation)
• Inventors: Bulatowicz, Michael D.
• Primary Examiner(s): SHRIVASTAV, BRIJ B
• Application Number:
  US12/144,225
• Publication Number:
  US 20090316753A1
• Time in Patent Office: 1,366 Days
• Field of Search: 324300-322, 600407-435, 219/552, 219/544
• US Class Current: 324/315
• CPC Class Codes: G01R 33/31 Temperature control thereof

Abstract

A temperature system is provided with magnetic field suppression. In one embodiment, the temperature system comprises a plurality of conductors patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the plurality of conductors, where N is an integer that is greater than one.

Claims

1. A system comprising:

a plurality of conductors patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the plurality of conductors, where N is an integer that is greater than one and at least two adjacent conductors of the plurality of conductors are patterned to conduct current in a same direction;

wherein the plurality of conductors are configured in one of a parallel and an axial relationship to provide a conduction pattern that generates a first pole moment with a first polarity that is adjacent a second pole moment with a second polarity that is adjacent a third pole moment with the second polarity that is adjacent a fourth pole moment with the first polarity, wherein the first and second polarities are opposite polarities.

2. The system of claim 1, wherein the plurality of conductors are arranged in a series of winding loops that are patterned to change directions to provide conductive current in opposing directions and to generate different polarity magnetic moments.

3. The system of claim 1, wherein the plurality of conductors comprise a plurality of conductive wires that are wrapped around a structure.

4. The system of claim 1, wherein the plurality of conductive wires are a first plurality of conductive wires and further comprising at least one additional plurality of conductive wires patterned to conduct current in directions that generate 2^N multipole magnetic moments, such that the first plurality of conductive wires and the at least one additional plurality of conductive wires are configured in a stacked arrangement in at least one of a planar and axial configuration.

5. The system of claim 1, wherein the plurality of conductors comprise a plurality of conductive lines disposed in or on a substrate.

6. The system of claim 1, wherein the first polarity is positive polarity and the second polarity is a negative polarity.

7. The system of claim 1, further comprising a first substrate and the plurality of conductors are a first plurality of conductors and further comprising a second substrate and a second plurality of conductors disposed on or in the second substrate and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the second plurality of conductors, where the first substrate overlays the second substrate and the first and second plurality of conductors are patterned to generate current in opposing directions in a dipole moment configuration that interact with one another to suppress magnetic fields generated by one another.

8. The system of claim 7, wherein the first substrate is a first layer and the second substrate is a second layer and further comprising a third layer that is a contact layer, such that a first contact extends from the contact layer to the first plurality of conductors, a second contact extends from the first plurality of conductors to the second plurality of conductors and a third contact extends from the second plurality of conductors to the contact layer to provide a closed loop temperature system.

9. The system of claim 1, wherein the plurality of conductors are a first plurality of conductors and further comprising a second plurality of conductors disposed on or in a first substrate and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the second plurality of conductors, where the first plurality of conductors form a first temperature device and the second plurality of conductors form a second temperature device.

10. The system of claim 8, wherein the first temperature device is a resistive heater device and the second temperature device is a resistive temperature detector.

11. The system of claim 1, wherein the system is one of a resistive heater device and a resistive temperature detector.

12. A nuclear magnetic resonance gyroscope comprising the system of claim 1.

13. A magnetic resonance imager comprising the system of claim 1.

14. A temperature system comprising:

a first layer;

a second layer underlying the first layer;

a first plurality of conductors disposed on or in the first layer and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the plurality of conductors, where N is an integer that is greater than one; and

a second plurality of conductors electrically isolated from the first plurality of conductors, the second plurality of conductors being disposed on or in the second layer and patterned to conduct current in directions that generate 2^N multipole magnetic moments that suppress the magnetic fields generated by the current conducting through the second plurality of conductors, the first and second plurality of conductors are patterned to generate current in opposing directions in a dipole moment configuration that interact with one another to suppress magnetic fields generated by one another.

15. The system of claim 14, wherein the first and second plurality of conductors are arranged in a series of winding loops that change direction to provide conductive current in opposing directions and to generate different polarity magnetic moments.

16. The system of claim 14, further comprising a third layer that is a contact layer, such that a first contact extends from the contact layer to the first plurality of conductors, a second contact extends from the first plurality of conductors to the second plurality of conductors and a third contact extends from the second plurality of conductors to the contact layer to provide a closed loop temperature system.

17. The system of claim 14, further comprising:

a third plurality of conductors disposed on or in the first layer and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the third plurality of conductors; and

a fourth plurality of conductors disposed on or in the second layer and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the fourth plurality of conductors, the third and fourth plurality of conductors are patterned to generate current in opposing directions in a dipole moment configuration to suppress magnetic fields generated from one another.

18. A nuclear magnetic resonance gyroscope comprising the system of claim 14.

19. A magnetic resonance imager comprising the system of claim 14.

20. A temperature system comprising:

a substrate;

a first plurality of conductors disposed on or in the substrate and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the plurality of conductors, where N is an integer that is greater than one; and

a second plurality of conductors disposed on or in the substrate and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the second plurality of conductors, where the first plurality of conductors form a first temperature device and the second plurality of conductors form a second temperature device.

21. The system of claim 20, wherein the first and second plurality of conductors are arranged in a series of generally rectangular shaped winding loops that change direction to provide conductive current in opposing directions and to generate different polarity magnetic poles.

22. The system of claim 20, wherein the substrate is a first substrate and further comprising:

a second substrate underlying the first substrate;

a third plurality of conductors disposed on or in the second substrate and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the third plurality of conductors, where the first and third plurality of conductors are patterned to generate current in opposing directions in a dipole configuration to suppress magnetic fields generated from one another; and

a fourth plurality of conductors disposed on or in the second substrate and patterned to conduct current in directions that generate 2^N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the fourth plurality of conductors, where the second and fourth plurality of conductors are patterned to generate current in opposing directions in a dipole moment configuration that interact with one another to suppress magnetic fields generated by one another.

23. The system of claim 20, wherein the first temperature device is a resistive heater device and the second temperature device is a resistive temperature detector.

24. A nuclear magnetic resonance gyroscope comprising the system of claim 20.

25. A magnetic resonance imager comprising the system of claim 20.

26. A temperature system comprising:

a first plurality of conductors patterned to conduct current in directions that generate 2N multipole magnetic moments that interact to suppress the magnetic fields generated by the current conducting through the plurality of conductors, where N is an integer that is greater than one; and

a second plurality of conductors patterned to conduct current in directions that generate 2N multipole magnetic moments that suppress the magnetic fields generated by the current conducting through the second plurality of conductors, wherein the first and second plurality of conductors are configured in a multi-stacked configuration.

27. The system of claim 26, further comprising at least two additional plurality of conductors patterned to conduct current in directions that generate 2N multipole magnetic moments and wherein the system is configured in a stacked arrangement with the 2N stacks of conductors in a volumetric configuration where N is also an integer equal to the number of stacks and N is also equal the number of planar and/or axial poles in a set of conductors forming a given stack.

28. The system of claim 27, wherein each set of the plurality of conductors comprise a plurality of conductive lines disposed in or on a substrate.

29. The system of claim 27, wherein each set of the plurality of conductors comprise a plurality of conductive wires wrapped around a structure.

30. The system of claim 26, wherein the system is a multi-stacked configuration of conductors configured in 2N×

2M configuration where M is an integer equal to the number of stacks and N is equal the number of planar and/or axial poles in a set of conductors forming a given stack where N is not equal to M.