Ink jet print head

摘要

The pressing portion of the press member (1) for joining the top plate (2) and the heater board (3) together is formed into projections A, which are pressed against the back of the heater board (3) at the vicinity of the joint gravity center of the top plate (2) and the heater board (3) to firmly join the top plate (2) and the heater board (3) with a uniform pressure over their entire contact surface. <IMAGE>