Ink jet head manufacturing method using ion machining and ink jet head manufactured thereby.

摘要

An ink jet recording head (201) manufacturing method for manufacturing ink jet recording head (201) having an ink passage (109), wherein a droplet of ink is ejected through the passage from an ink ejection outlet (106) at an end of a passage (109) onto a recording material, the improvement comprising: ions are injected into a surface (120) having the ink ejection outlet (106) to change a surface property of the surface (120).