Patent ID: 9487009
Filing Date: 2016-11-08
CPC Classification: B41J,Y10T

Claim Text:
1. A method for manufacturing a liquid ejection head including a joint step for joining a base plate provided with a plurality of supply slits arranged at predetermined positions and an element substrate provided with a plurality of supply openings arranged to be adjusted relative to the predetermined positions, comprising: an obtaining step for obtaining information in regard to a shift amount between the positions of the supply openings and the positions of the supply slits at the time of joining the element substrate and the base plate; a correcting step for, in a case where the information in regard to the shift amount between the positions of the supply openings and the positions of the supply slits is a predetermined value or more, correcting a position of the element substrate such that the information in regard to the shift amount becomes less than the predetermined value; and a position correcting step for correcting the position of the element substrate by an integral multiple of an image formation minimum pixel pitch in a conveying direction of a sheet.