Patent ID: 7384126
Filing Date: 2008-06-10
Classification: B41J

Abstract:
1. A liquid drop discharge head in which a surface which is provided with a plurality of nozzles which discharge a liquid mass is relatively shifted with respect to an object against which liquid drops are to be discharged, and for discharging said liquid mass from said nozzles against said object against which liquid drops are to be discharged, in which, in a state in which the liquid drop discharge head is oriented in a direction which intersects said relative shifting direction at a sloping angle, at least the nozzles among said plurality of nozzles which are positioned in a central portion thereof and are used for discharge of said liquid mass are arranged so that a plurality of their openings are positioned upon a hypothetical straight line which extends along said relative shifting direction; among said plurality of nozzles which are arranged in rows in said liquid drop discharge heads, the nozzles in predetermined regions at end portions of the rows are set as non-discharge nozzles; and said liquid mass is discharged against said object against which liquid drops are to be discharged from nozzles in the liquid drop discharge head in a state in which the arrangement of said nozzles in the direction perpendicular to said relative shifting direction is substantially continuous between said plurality of liquid drop discharge heads.