Disclosed is a MEMS device which comprises at least one shape memory
material such as a shape memory alloy (SMA) layer and at least one
stressed material layer. Examples of such MEMS devices include an
actuator, a micropump, a microvalve, or a non-destructive fuse-type
connection probe. The device exhibits a variety of improved properties,
for example, large deformation ability and high energy density. Also
provided is a method of easily fabricating the MEMS device in the form of
a cantilever-type or diaphragm-type structure.