A thermal actuator comprises a substantially straight beam. The beam has a beam length and a beam mid-point. The beam comprises a plurality of beam segments. Each beam segment has a beam segment width, the beam thus forming a corresponding plurality of beam segment widths. The beam segment widths vary...http://www.google.es/patents/US6985650?utm_source=gb-gplus-sharePatente US6985650 - Thermal actuator and an optical waveguide switch including the same
Thermal actuator and an optical waveguide switch including the same
