Deflected drop liquid pattern deposition apparatus and methods

Details Deflected drop liquid pattern deposition apparatus and methods Deflected drop liquid pattern deposition apparatus and methods

2006-05-04

2008-08-19

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07413293

ABSTRACT:
Drop deflector apparatus and methods for a continuous drop emission system comprising a plurality of drop nozzles emitting a plurality of continuous streams of a liquid that break up into streams of drops of substantially uniform drop volume having nominal flight paths that are substantially within a nominal flight plane are disclosed. A plurality of path selection elements corresponding to the plurality of continuous streams of drops is provided operable to firstly deflect individual drops from the corresponding continuous stream of drops along a first deflection flight path diverging from the nominal flight path based on pattern data. A plurality of gas nozzles is provided which generate a plurality of localized gas flows, positioned along one of the first deflection flight paths or the nominal flight paths, wherein the localized gas flows are oriented so as to cause a substantial second deflection of one of the firstly deflected drops or the nominal drops in a direction perpendicular to the nominal flight plane without causing a substantial deflection of drops following the other of the first deflection flight paths or the nominal flight paths. Secondly deflected drops are captured before they impinge a receiver medium. An image pattern is thereby deposited by either firstly deflected or undeflected drops.

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