H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 37/00 (2006.01) B81B 3/00 (2006.01) B81B 7/00 (2006.01) H01H 1/00 (2006.01) H01H 61/00 (2006.01)
Patent
CA 2351992
In embodiments of the present invention, a microelectromechanical actuator includes a beam having respective first and second ends attached to a substrate and a body disposed between the first and second ends having a sinuous shape. The body includes a portion operative to engage a object of actuation and apply a force thereto in a direction perpendicular to the beam responsive to at least one of a compressive force and a tensile force on the beam. The sinuous shape may be sinusoidal, e.g., a shape approximating a single period of a cosine curve or a single period of a sine curve. The beam may be thermally actuated or driven by another actuator. In other embodiments, a rotary actuator includes first and second beams, a respective one of which has first and second ends attached to a substrate and a body disposed between the first and second ends. Each body includes first and second oppositely inflected portions. The bodies of the first and second beams intersect one another at points at which the first and second oppositely inflected portions of the first and second bodies meet. The bodies of the first and second beams are operative to engage the object of actuation and rotate the object of actuation around the point of intersection responsive to at least one of compressive force and tensile force on the first and second beams. Related methods are also described.
Cowen Allen Bruce
Dhuler Vijayakumar Rudrappa
Hill Edward Arthur
Mahadevan Ramaswamy
Wood Robert L.
Jds Uniphase Corporation
Memscap S.a.
Sim & Mcburney
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