| 摘要 |
<p>A nozzle plate cutting off method for cutting off the nozzle plate (28) from a primary processing plate (30) including a frame body (29), a nozzle plate (28) which has multiple nozzle holes (43) for ejecting droplets and is separately arranged inside the frame body, and a connection portion (29a) arranged at a clearance between the frame body and the nozzle plate to connect the frame body to the nozzle plate. In the nozzle plate cutting off method, a punching tool (50) is used to punch out the nozzle plate at a connection region of the connection portion with the nozzle plate, thereby cutting off the nozzle plate from the primary processing plate.
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