The RVC-5 Rotational Voice
Coil Motor provides a rather unique way to create rotational
translation. This rotation or perhaps better described as tilting
action is achieved through the use of a flexure bearing. Using advanced
FEA techniques, this bearing was designed to provide infinite life
while providing a tilt range of ten (10) degrees mechanical. The
flexure bearing also provides a stiction and friction free to guide the
users load such as a mirror. Eliminating those frictional attributes
allows the RVC-5 to position the users load with unprecedented speed and
repeatability.
The RVC-5 Rotational Voice Coil Stage "tilts" the users load, typically a
mirror, by pushing or pulling on the lever arm extending from the
bearing. A voice coil motor is used to provide this actuation due to
its superior force to size and mass charazcteristics. The voice coil
motor is situated directly under the user load platform to help realize a
very space efficient design.
The RVC-5 Rotational Voice Coil Stage includes a very high-resolution postion sensor. This non-contact elctro-optic sensor provides a means to directly monitor the angular position of the users load with micro-radian scale resolution and repeatability. The sensor naturally produces an analog signal proportional to position and is noise limited.
RVC-5 Rotational Voice Coil Stage Brochure
