| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a liquid ejection head that can perform control so that a base film is suitable for a used portion.SOLUTION: A method for manufacturing a liquid ejection head includes: a base film formation step of forming a nozzle formation substrate 10 having a nozzle hole 12 and a base film 14 within a nozzle hole; an irradiation step of irradiating high energy ray which is coherent light to the base film 14 on the surface of the nozzle formation substrate 10; and a surface-repellent film forming step of forming a repellent film 18 on the surface of the nozzle formation substrate 10. |
