Patent ID: 6591500
Filing Date: 2003-07-15
Classification: B41J,Y10S,Y10T

Abstract:
A method of manufacturing a liquid discharge head having:a discharge opening for discharging liquid droplets therefrom; a wall member constituting a liquid flow path communicating with said discharge opening to supply liquid to said discharge opening; a substrate provided with a bubble creating element for creating a bubble in said liquid; and a movable member supported by and fixed to said substrate with said discharge opening side thereof as a free end and provided at a position facing said bubble creating element in said liquid flow path with a gap between said movable member and said substrate; the free end of said movable member being displaced away from said substrate by pressure produced by creating said bubble to thereby direct said pressure to said discharge opening side and discharge the droplet of said liquid from said discharge opening; characterized by the steps of: preparing the substrate provided with said movable member; filling the gap between the movable member and said substrate with a liquid photo-curing resin, and applying said resin to said substrate by spin coating until said resin covers said movable member; exposing that area of said photo-curing resin which excludes an area of an unexposed portion, of at least said liquid flow path, to light to thereby harden a portion corresponding to said wall member; and removing the unexposed portion of said photo-curing resin to thereby form said movable member in said liquid flow path.