Patent ID: 6416159
Filing Date: 2002-07-09
Classification: B41J

Abstract:
A structure for use in an apparatus for ejecting a material, comprising;a body having a first channel therein for receiving a propellant stream, said first channel having a marking material receiving region; a first marking material reservoir, the first marking material reservoir including a dielectric liquid; a first port communicatively connecting said reservoir and said first channel, said first port including at least one separating structure, said at least one separating structure having a surface, said surface having a non-wetting material layer applied selectively thereover; and an exit orifice coupled to said first channel to output a marking material steam carried by the propellant stream, the marking material stream does not deviate by more than 20 percent from a width of the exit orifice for a distance of at least four times the exit orifice width.