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US 11,306,706 B2Granted
Shape memory alloy actuators and methods thereof
AssigneeHutchinson Technology Incorporated
InventorsRyan N. Ruzicka, Yasushi Sakamoto
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Abstract
SMA actuators and related methods are described. One embodiment of an actuator includes a base; a plurality of buckle arms; and at least a first shape memory alloy wire coupled with a pair of buckle arms of the plurality of buckle arms. Another embodiment of an actuator includes a base and at least one bimorph actuator including a shape memory alloy material. The bimorph actuator attached to the base.
Claims17
An actuator comprising:
- a beam portion;
- a fixed end;
- and
- an unfixed load point end, the beam portion disposed between the fixed end and the unfixed load point end,
- the unfixed load point end including a flat surface including a resistance weld region configured to affix SMA material.
2 more elements
An actuator comprising:
- a beam portion;
- a fixed end;
- an unfixed load point end, the beam portion disposed between the fixed end and the unfixed load point end;
- and
- SMA material affixed to the fixed end and the unfixed load point end, the fixed end including:
- a flat surface at the unfixed load point, including a resistance weld of the SMA material.
3 more elements
Dependencies are inferred from the claim text.