Invention Grant
US08740359B2 Continuous inkjet printing system and method for producing selective deflection of droplets formed from two different break off lengths
有权
连续喷墨印刷系统和用于产生由两种不同断裂长度形成的液滴的选择性偏转的方法
- Patent Title: Continuous inkjet printing system and method for producing selective deflection of droplets formed from two different break off lengths
- Patent Title (中): 连续喷墨印刷系统和用于产生由两种不同断裂长度形成的液滴的选择性偏转的方法
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Application No.: US12187593Application Date: 2008-08-07
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Publication No.: US08740359B2Publication Date: 2014-06-03
- Inventor: Michael J. Piatt , Randy L. Fagerquist
- Applicant: Michael J. Piatt , Randy L. Fagerquist
- Applicant Address: US NY Rochester
- Assignee: Eastman Kodak Company
- Current Assignee: Eastman Kodak Company
- Current Assignee Address: US NY Rochester
- Agent William R. Zimmerli
- Main IPC: B41J2/02
- IPC: B41J2/02

Abstract:
A continuous inkjet system and method has a stimulation device producing a modulation in a liquid jet having a wavelength λ and causing a first liquid droplet to break off from the liquid jet and travel along a path and causing a second liquid droplet to break off from the liquid jet and travel along the path. The first liquid droplet has a first break off length and the second liquid droplet has a second break off length longer than the first break off length. The first break off length and the second break off length have a difference of at least one wavelength λ in response to stimulation pulses. A charge electrode produces a charge differential between the first liquid droplet and the second liquid droplet, and a deflection mechanism causes trajectories of the first liquid droplet and the second liquid droplet to diverge so that a trajectory of one droplet of the first and second liquid droplets causes the one droplet to be directed for collection and prevented from depositing on the surface and a trajectory of the other droplet of the first and second liquid droplets causes the other droplet to be directed for depositing on the surface. A stimulation controller identifies a transition in droplet creation between a stimulation cycle that is to produce a droplet having a second break off length and a stimulation cycle that is to produce a droplet having a first break off length and introduces a skip cycle between the stimulation cycle that is to produce the droplet having a second break off length and the stimulation cycle that is to produce the droplet having the first break off length.
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