Patent ID: 8376526
Filing Date: 2013-02-19
Classification: B41J

Abstract:
1. An inkjet head, comprising: a first nozzle that jets pigmented ink; a first pressure chamber coupled to the first nozzle; a first actuator that selectively applies a jetting pressure to the pigmented ink in the first pressure chamber; a second nozzle that jets dye ink; a second pressure chamber coupled to the second nozzle; and a second actuator that selectively applies a jetting pressure to the dye ink in the second pressure chamber; wherein the first nozzle has a diameter of D wherein the second nozzle has a diameter of D wherein the first actuator has a first portion that applies the jetting pressure to the first pressure chamber, the first portion having a size of L wherein the second actuator has a second portion that applies the jetting pressure to the second pressure chamber, the second portion having a size of L wherein D where x and y are predetermined coefficients; and wherein D 1 ≠D 2 .