Patent ID: 8408678
Filing Date: 2013-04-02
Classification: B41J

Abstract:
1. A liquid ejection head comprising: a substrate having an energy-generating device configured to generate energy used for ejecting a liquid from an orifice; a transparent channel wall member forming an inner wall of a channel leading to the orifice; and an intermediate layer disposed between and in contact with a surface of the substrate and the channel wall member and having a refractive index different from a refractive index of the channel wall member; wherein the intermediate layer has a first outer end surface forming contours of a symbol as viewed in a direction from the orifice toward the substrate and making a first angle with the surface of the substrate and a second outer end surface facing the channel and making a second angle with the surface of the substrate, the first angle being an obtuse angle, the second angle being smaller than the first angle.