Patent ID: 8517519

Claim:
A liquid droplet ejection head, comprising: a substrate; a nozzle plate which is provided on one surface of the substrate and has nozzles through which an ejection liquid is ejected in the form of liquid droplets; a sealing plate which is provided on the other surface of the substrate, wherein an ejection liquid storage chamber which stores the ejection liquid is formed by the substrate, the nozzle plate, and the sealing plate, the substrate is bonded through a bonding film to at least one of the nozzle plate and the sealing plate, and the bonding film bonds the substrate to at least one of the nozzle plate and the sealing plate by a bonding property exhibited in a coating film containing an epoxy-modified silicone material through the application of energy to the coating film, wherein the epoxy-modified silicone material is obtained by an addition reaction between a silicone material and an epoxy resin, and the epoxy resin has a phenylene group in each molecule.