Patent · US Active

Shape memory alloy actuators and methods thereof

US11892759B2 · kind B2 · utility

5Cited by

20References

6Claims

0Family size

Assignee

Hutchinson Technology Incorporated · US

Inventors

Ryan N. Ruzicka · Dassel, US
Yasushi Sakamoto · Hutchinson, US
Mark A. Miller · Hutchinson, US

Key dates

Filing date	Jan 31, 2023
Grant date	Feb 6, 2024
Priority date	—
Expiry date	Jan 31, 2043

Classification

Technology area (CPC G)Physics
CPC primaryG03B2205/0076
WIPO fieldOptics
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.