Patent ID: 7604394

Claim:
A mixing element for a microdevice comprising: a) a mixing compartment having a principal axis of symmetry in fluid communication with a channel and b) first through fourth pairs of electrically coupled, elongated mixing electrodes located on the interior surface of the mixing compartment wherein: (i) the first electrodes of the first and second mixing electrode pairs are adjacent and parallel to one another and aligned axially with respect to the principal axis of symmetry; (ii) the second electrodes of the first and second mixing electrode pairs are adjacent and parallel to one another and aligned with a plane orthogonal to the principal axis of symmetry; (iii) the first electrodes of the third and fourth mixing electrode pairs are adjacent and parallel to one another and aligned axially with respect to the principal axis of symmetry; and (iv) the second electrodes of the third and fourth mixing electrode pairs are adjacent and parallel to one another and aligned with a plane orthogonal to the principal axis of symmetry.