Patent ID: 7695111
Filing Date: 2010-04-13
Classification: B41J

Abstract:
1. A liquid discharge head comprising: a substrate, provided with an energy generating member for generating energy to be used for discharging liquid through a discharge port, and a metal protective layer made of a precious metal for protecting the energy generating member; an inorganic adhesive layer made of at least one material selected from titanium, titanium nitride, tantalum nitride and chromium nitride, the inorganic adhesive layer being in contact with the metal protective layer; an organic adhesive layer made of an organic material, the organic adhesive layer being in contact with the inorganic adhesive layer; and a flow path forming member, serving as a wall of a flow path communicating with the discharge port, the flow path forming member being in contact with the organic adhesive layer, wherein the metal protective layer, the inorganic adhesive layer, the organic adhesive layer and the flow path forming member are layered in this order.