US Patent 7559242 Silicon micromachined ultra-sensitive vibration spectrum sensor array (VSSA)

An apparatus comprising a substrate and an array of vibration sensors formed on the substrate, the array comprising two or more vibration sensors, wherein each vibration sensor in the array has a different noise floor and a different operational frequency range than any of the other vibration sensors in the array. A process comprising forming an array of vibration sensors on a substrate, the array comprising two or more vibration sensors, wherein each of the two or more vibration sensors in the array has a different noise floor and a different operational frequency range than any of the other vibration sensors in the array. Other embodiments are disclosed and claimed.