Patent ID: 8376525
Filing Date: 2013-02-19
Classification: B41J,Y10T

Abstract:
1. A method of manufacturing a liquid discharge head comprising a discharge port for discharging a liquid, and a flow path forming member forming a discharge portion communicating with the discharge port, the method of manufacturing a liquid discharge head comprising: providing a first pattern of a part of the discharge portion on a substrate; providing a first coating layer on a surface of the first pattern that is remote from the substrate; removing a plurality of parts of the first coating layer to expose the first pattern at a plurality of portions; providing a second pattern of a part of the discharge portion on the first coating layer, such that the second pattern contacts the plurality of portions; providing a second coating layer becoming the flow path forming member, for covering the second pattern which contacts the plurality of portions; forming the discharge port in the second coating layer; and removing the first pattern and the second pattern to form the discharge portion so that an area where the first pattern is removed is communicated with an area where the second pattern is removed at a plurality of locations in the discharge portion.