System and method for manufacturing field emission structures using a ferromagnetic material
An improved field emission system and method is provided that involves field emission structures having electric or magnetic field sources. The magnitudes, polarities, and positions of the magnetic or electric field sources are configured to have desirable correlation properties, which may be in accordance with a code. The correlation properties correspond to a desired spatial force function where spatial forces between field emission structures correspond to relative alignment, separation distance, and the spatial force function.
1. A system for producing a field emission structure, said field emission structure being made of material that changes at least one field emission property of the field emission structure when subjected to a critical temperature, comprising:
a heat source that heats at least a portion of said material to a temperature that is substantially equal to said critical temperature; and
at least one field emission source having at least one second field emission property in accordance with a correlation function, said at least one field emission source being brought into proximity with said at least a portion of said material for a duration of time that changes said at least one field emission property of said material according to said correlation function, said correlation function being in accordance with a code, said code corresponding to a code modulo of said field emission structure and a code modulo of an additional field emission structure, said code defining a peak spatial force corresponding to substantial alignment of said code modulo of said first field emission structure with said code modulo of said additional field emission structure, said code also defining a plurality of off peak spatial forces corresponding to a plurality of different misalignments of said code modulo of said first field emission structure and said complementary code modulo of said additional field emission structure, said plurality of off peak spatial forces having a largest off peak spatial force, said largest off peak spatial force being less than half of said peak spatial force.
2. The system of claim 1 , wherein said field emission structure comprises one of an electric field emission structure or a magnetic field emission structure.
3. The system of claim 1 , wherein said critical temperature comprises the Curie temperature of said material.
4. The system of claim 1 , wherein said critical temperature comprises the Neel temperature of said material.
5. The system of claim 1 , wherein said at least one portion of said material comprises at least one field emission source location.
6. The system of claim 5 , wherein said at least one field emission source location is brought into proximity with said at least one field emission source.
7. The system of claim 1 , wherein said at least one field emission source has at least one of a constant polarity or a polarity varied in time.
8. The system of claim 1 , wherein said heat source comprises at least one laser.
9. The system of claim 1 , wherein said at least one field emission source comprises at least one of an electric field emission source or a magnetic field emission source.
10. A method for producing a field emission structure, comprising:
heating at least a portion of a material having at least one field emission property that changes when subjected to a critical temperature thereby causing the temperature of said at least a portion of said material to be substantially equal to said critical temperature; and
bringing at least one field emission source having a second field emission property in accordance with a correlation function into proximity with said at least a portion of said material for a duration of time to change said at least one field emission property of said material according to said correlation function, said correlation function being in accordance with a code, said code corresponding to a code modulo of said field emission structure and a code modulo of an additional field emission structure, said code defining a peak spatial force corresponding to substantial alignment of said code modulo of said first field emission structure with said code modulo of said additional field emission structure, said code also defining a plurality of off peak spatial forces corresponding to a plurality of different misalignments of said code modulo of said first field emission structure and said complementary code modulo of said additional field emission structure, said plurality of off peak spatial forces having a largest off peak spatial force, said largest off peak spatial force being less than half of said peak spatial force.
11. The method of claim 10 , wherein said critical temperature comprises the Curie temperature of said material.
12. The method of claim 10 , wherein said critical temperature comprises the Neel temperature of said material.
13. The method of claim 10 , wherein said at least one portion of said material comprises at least one field emission source location.
14. The method of claim 10 , wherein said at least one field emission source has one of a constant polarity or a polarity varied in time.
15. The method of claim 10 , wherein said at least one field emission source comprises at least one of an electric field emission source or a magnetic field emission source.