1. A sputtering magnetron, comprising:
an outer pole of a first magnetic polarity arranged in a first closed band; and
an inner pole of a second magnetic polarity opposite said first magnetic polarity included within said first closed band and arranged in a second closed band with an enclosed aperture of substantially reduced magnetization.
2. The sputtering magnetron of claim 1:
wherein said outer pole comprises a plurality of first magnets of said first magnetic polarity and a first pole face of a magnetic material covering sides of said first magnets facing a first direction; and
wherein said inner pole comprises at least one second magnet of said second magnetic polarity and a second pole face of a magnetic material covering a side of said at least one second magnet facing said first direction.
3. The sputtering magnetron of claim 2, wherein said second pole face includes a central aperture within said second closed band.
4. The sputtering magnetron of claim 3, wherein second pole face has a portion that is cantilevered away from said at least one second magnet in a second direction towards said first closed band.
5. The sputtering magnetron of claim 4, wherein said second pole face is not cantilevered away from said at least one second magnet towards said first closed band opposite said second direction.
6. The sputtering magnetron of claim 5, wherein said second closed band is further from said first closed band in said second direction than opposite said second direction.
7. The sputtering magnetron of claim 2, wherein said second pole face is generally coincident with said at least one second magnet.
8. The sputtering magnetron of claim 1, wherein said first closed band includes two straight portions inclined with respect to each other and smoothly joined at respective ends by two circular portions.
9. The sputtering magnetron of claim 1, wherein said inner pole comprises a tubular magnet.
10. The sputtering magnetron of claim 1, wherein said outer pole produces a total magnetic flux at least 1.5 times that of said inner pole.
11. An unbalanced magnetron, comprising:
an outer pole of a first magnetic polarity arranged in a first closed band having two straight portions inclined with respect to each other at an apex angle and two circular portions smoothly joined to respective ends of said straight portions, said first closed band enclosing a first aperture, said outer pole producing a first total magnetic intensity; and
an inner pole of a second magnetic polarity opposite said first magnetic polarity disposed in said first aperture and producing a second total magnetic intensity, wherein a ratio of said first total magnetic intensity to said second total magnetic intensity is at least 1.5.
12. The magnetron of claim 11, wherein said apex angle is between 35 and 65.
13. The magnetron of claim 11, wherein said inner pole is arranged in a second closed band with an enclosed second aperture of substantially reduced magnetization.
14. The magnetron of claim 13, wherein said inner pole includes a tubular magnet.
15. An unbalanced magnetron, comprising:
an outer pole of a first magnetic polarity arranged in a first closed band having a triangular shape with an apex end and a base end and producing a first total magnetic intensity; and
an inner pole of a second magnetic polarity opposite said first magnetic polarity disposed in said first aperture and producing a second total magnetic intensity and comprising
at least one magnet, and
a pole face covering said at least one magnet and being cantilevered from a side thereof toward said apex end;
wherein a ratio of said first magnetic intensity to said second magnetic intensity is at least 1.5.
16. The magnetron of claim 15, wherein said pole face is less cantilevered from said at least one magnet towards said base end than towards said apex end.
17. The magnetron of claim 15, wherein said inner pole includes a tubular magnet with a second aperture and said pole face includes a third aperture overlying said second aperture.
18. The magnetron of claim 15, wherein said first closed bands have two straight portions inclined with respect to each other at an apex angle of between 35 and 65.
19. A magnetron sputter reactor, comprising:
a vacuum chamber configured to support a substrate therein and a sputtering target in opposition to said substrate; and
a unbalanced magnetron rotatable about a back of said target and including
an outer pole of a first magnetic polarity arranged in a first closed band, and
an inner pole of a second magnetic polarity opposite said first magnetic polarity included within said first closed band and arranged in a second closed band with an enclosed aperture of substantially reduced magnetization.
20. The reactor of claim 19, wherein said inner pole includes a tubular magnet.
21. The reactor of claim 20, wherein a total magnetic flux of said outer pole is at least 1.5 that of said inner pole.
22. The reactor of claim 19, wherein said inner pole includes
at least one magnet arranged in a third closed band, and
a pole piece disposed adjacent an end of said at least one magnet in the form of said second closed band, and preferentially cantilevered from said third closed band in one direction relative to opposite said one direction.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A food containing system, comprising:
a top;
a bottom, in communication with said top; and
a locking means, in communication with top and said bottom.
2. The system of claim 1, wherein said top has a loop.
3. The system of claim 1, wherein said bottom has a loop.
4. The system of claim 1, wherein said bottom is configured to hold a conventional glass.
5. The system of claim 1, wherein said bottom is configured to hold a conventional dish.
6. The system of claim 1, wherein said bottom is configured to receive food.
7. The system of claim 1, wherein said bottom is configured to receive a liquid.
8. The system of claim 1, wherein locking means is a combination lock.
9. The system of claim 1, wherein said top and said bottom are microwavable.
10. The system of claim 1, wherein said locking means is a key lock.
11. The system of claim 1, wherein said bottom has at least two compartments.
12. The system of claim 1, wherein said top and said bottom are configured to hold a beverage container snugly.
13. The system of claim 1, wherein said top and said bottom are configured to hold a plate snugly.