To accumulate the production mannered null ink

摘要

PROBLEM TO BE SOLVED: To provide a highly reliable high density ink jet head part and a manufacturing method thereof. ;SOLUTION: The manufacturing method of ink jet head part comprises a step for applying a photosensitive insoluble material layer 30 onto a transparent substrate 10 on which an opaque conductive film 20 is formed in desired pattern, a step for exposing the photosensitive insoluble material layer 30 by irradiating it with light through the transparent substrate 10 at an angle of 5 to 10° or -5 to -10° with respect to a plane normal to the transparent substrate 10, and a step for developing the photosensitive insoluble material layer 30.;COPYRIGHT: (C)2000,JPO