Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2005-09-20
2008-08-05
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S040000
Reexamination Certificate
active
07407263
ABSTRACT:
A head unit103for use in a droplet ejection apparatus is provided with a plurality of droplet ejection heads for ejecting one or more kind of liquid material of a predetermined color onto a base in the form of droplets. Each of the droplet ejection heads includes at least one nozzle array constituted from a plurality of nozzles linearly aligned. The liquid material is adapted to be ejected through the plurality of nozzles of the plurality of droplet ejection heads in the form of droplets. The plurality of droplet ejection heads include at least two sets of two adjacent droplet ejection heads which are arranged in a consecutive manner in a first direction parallel to each of the nozzle arrays. The two adjacent nozzle arrays of each of the at least two sets of two adjacent droplet ejection heads are arranged so that the nozzles thereof are consecutive via a seam between the two adjacent nozzle arrays of the two adjacent droplet ejection heads when viewed from a second direction perpendicular to the first direction. The at least two sets of two adjacent droplet ejection heads for ejecting the droplets of the liquid material of the same color are arranged so that all the seams thereof are shifted with respect to each other in the first direction when viewed from the second direction.
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Global IP Counselors, LLP
Luu Matthew
Seiko Epson Corporation
Seo Justin
LandOfFree
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