LIQUID EJECTION HEAD AND METHOD FOR FABRICATING THE SAME

摘要

There is provided a liquid ejection head that can reduce trouble in alignment of a print element substrate even in the case where a high magnification optical system is used and a method for fabricating the liquid ejection head. To achieve this, an auxiliary mark that indicates a relative position with respect to a reference mark is detected and recognized, and thus the position of the reference mark is identified even in the case where the reference mark is not reflected in a camera.

主权项

1. A liquid ejection head having a print element substrate for ejecting liquid, comprising:
at least one reference mark provided on the print element substrate and used as a reference in alignment of the print element substrate; and an auxiliary mark provided on the print element substrate corresponding to the reference mark and including information indicating a relative position with respect to the reference mark.