Controlling direction of satellite droplet ejection in ink...

Details Controlling direction of satellite droplet ejection in ink... Controlling direction of satellite droplet ejection in ink...

2006-08-22

2006-08-22

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S010000, C347S020000

Reexamination Certificate

active

07093915

ABSTRACT:
A method of printing with a fluid jet printer (10) is provided. The printer (10) has a printhead (12) with a fluid ejecting face (12a) facing a recording medium (14), the fluid ejecting face (12a) having at least one fluid ejector (18) arranged thereon. The method includes: imparting movement to at least one of the fluid ejector (18) and the recording medium (14) such that the recording medium (14) moves relative to the fluid ejector (18) along a fast scan direction (32) at a velocity (vm); and, selectively ejecting fluid from the fluid ejector (18) toward the recording medium (14) as the movement is being imparted, such that: (i) a main drop is formed and has a first velocity (vd) in a first direction; and, (ii) a satellite droplet is formed and has a second velocity (vs) in a second direction that forms an angle (θ) with respect to the first direction, wherein θ substantially satisfies the equation: tan θ=vm[1/(vscos θ)−1/vd].

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patent: 2003/0179258 (2003-09-01), Freire et al.
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