Patent ID: 8100505

Claim:
A manufacturing dimension control method comprising: providing a liquid ejecting head including a substrate and a nozzle forming member for forming, on a principal surface of the substrate, a nozzle comprising a flow passage of liquid and an orifice for ejecting the liquid; forming a dummy pattern having substantially the same dimension as at least a part of the nozzle so that a cross-section of the dummy pattern is exposed at an end surface of the nozzle forming member; and controlling a manufacturing dimension of the nozzle by measuring a dimension of a cross-section exposed portion of the dummy pattern, wherein the dummy pattern includes a plurality of dummy pattern portions which are formed in an array so that a cross-section of each dummy pattern portion is exposed at an end surface of the nozzle forming member, and wherein an arrangement direction of the array of the plurality of dummy pattern portions and the end surface of said nozzle forming member are non-parallel.