Magnetic micropositioner and method of providing the same
AssigneeMassachusetts Institute of Technology
InventorsDavid Trumper, David Cuff
Life of this patent
Estimating the term…
Abstract
A micropositioner is provided, which contains an outer magnetic pole-piece and an inner magnetic pole-piece located within the outer magnetic pole piece. At least one permanent magnet is located between the inner magnetic pole piece and the outer magnetic pole-piece. At least one coil is located between the inner magnetic pole-piece and the outer magnetic pole-piece, wherein the at least one coil is capable of directing magnetic flux between the inner magnetic pole-piece and the outer magnetic pole-piece. An outer movable shell is also movably connected to the outer magnetic pole-piece.
Claims26
A micropositioner, comprising:
- an outer magnetic pole-piece;
- an inner magnetic pole-piece at least partially located within said outer magnetic pole piece;
- at least one permanent magnet located between said inner magnetic pole piece and said outer magnetic pole-piece;
- at least one coil located between said inner magnetic pole-piece and said outer magnetic pole-piece, wherein said at least one coil is capable of directing magnetic flux between said inner magnetic pole-piece and said outer magnetic pole-piece;
- and
- a movable shell, movably connected to said outer magnetic pole-piece.
A micropositioner, comprising:
- an outer magnetic pole-piece;
- an inner magnetic pole-piece at least partially located within said outer magnetic pole piece;
- at least one permanent magnet located between said inner magnetic pole piece and said outer magnetic pole-piece;
- at least one coil located between said inner magnetic pole-piece and said outer magnetic pole-piece, wherein said at least one coil is capable of directing magnetic flux between said inner magnetic pole-piece and said outer magnetic pole-piece;
- and
- a bearing located between said permanent magnet and said inner magnetic pole piece.
A micropositioner, comprising:
- a series of magnetic pole-pieces;
- a series of permanent magnets, wherein each permanent magnet is located between a first magnetic pole-piece and a second magnetic pole-piece;
- a series of first coils and a series of second coils, wherein each permanent magnet is located between one of said first coils and one of said second coils;
- and
- a movable shell, movably connected to at least one of said magnetic pole pieces.
Dependencies are inferred from the claim text.