Patent ID: 7012322

Claim:
A comb drive device configured to produce less harmonic distortion during operation, comprising: a first comb drive member including a first plurality of comb fingers each having a base portion, an end portion, and a number of sides defining a length; a second comb drive member including a second plurality of comb fingers each having a base portion, an end portion, and a number of sides defining a length, said second plurality of comb fingers being spaced apart from and interdigitated with said first plurality of comb fingers; each of the first and second comb finger sides defining a vertical sidewall surface extending from a top portion of the comb finger to a bottom portion thereof; and wherein said first and second plurality of comb fingers each have a uniform traverse cross-sectional side profile along a portion of the comb finger that is adapted to overlap with a laterally adjacent comb finger during operation of the comb drive device.