Patent ID: 8956703
Filing Date: 2015-02-17
Classification: B29C,B41J

Abstract:
1. A method for manufacturing a liquid ejecting head comprising an orifice plate having an ejecting orifice for ejecting a liquid and a liquid channel communicating with the ejecting orifice, and a substrate having an energy generating element for generating energy for ejecting the liquid and a liquid supply port communicating with the liquid channel, the method comprising the steps of: (1) forming a liquid channel mold composed of a soluble resin to be dissolved in step (6) on the substrate on which the energy generating element is provided; (2) coating the liquid channel mold with a photosensitive resin layer having a refractive index of n at an exposure wavelength used in step (4); (3) forming an antireflective film having a refractive index of √n−0.2 or more to √n+0.2 or less at the exposure wavelength used in step (4) on the photosensitive resin layer; (4) exposing and developing the photosensitive resin layer and the antireflective film to form the ejecting orifice; (5) forming the liquid supply port in the substrate; and (6) dissolving the liquid channel mold and removing the mold from the liquid supply port, wherein the step (4) comprises pressing the antireflective film and the photosensitive resin layer that are in a state of a latent image after exposure, with a mold template having an asperity structure.