Ink jet head orifice plate mounting arrangement

A method of manufacturing an ink jet head, comprising the steps of:

• providing a passage-forming member having a plurality of ink passages, an orifice plate having an array of ejection outlets in liquid communication with respective said ink passages, wherein said orifice plate has a plurality of edge portions and said ejection outlets are arranged along a line that runs parallel to at least one of said edge portions and intersects opposing said edge portions at crossing points, and a confining member for holding said orifice plate against said passage-forming member;
• and
• holding said orifice plate against said passage-forming member with said confining member only along one confined edge portion parallel to and proximate to said line and at corner portions of said orifice plate, each said corner portion extending along an edge portion from an extremity of said confined edge portion approximately to one of said crossing points.