Patent ID: 7992975
Filing Date: 2011-08-09
Classification: B41J

Abstract:
1. A method of forming fluid droplets comprising: providing a non-conductive fluid jet; providing an electrical charge on an electrically conductive portion of a stimulation electrode; and stimulating the non-conductive fluid jet to form a non-conductive fluid droplet by transferring the electrical charge from the electrically conductive portion of the stimulation electrode to a portion of the non-conductive fluid jet, wherein stimulating the non-conductive fluid jet to form a non-conductive fluid droplet includes forming a plurality of fluid droplets, the non-conductive fluid having a resistivity, ρ T ∈ is a permittivity of a medium surrounding the non-conductive fluid jet, r r S is a center-to-center distance between successively formed droplets of the plurality of fluid droplets.