A vibration mirror is reciprocatively vibrated by an electrostatic force to reflect an incident light beam. The vibration mirror comprises a reflection means for reflecting the incident light beam; a reflection means holding substrate for holding the reflection means; a torsional rotation shaft comprising...http://www.google.com/patents/US7417780?utm_source=gb-gplus-sharePatent US7417780 - Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image
