INKJET RINTING DEVICE

摘要

Disclosed is a printing device comprising: a flow path forming substrate in which a pressure chamber is formed; and a nozzle substrate including a nozzle block extended in a first direction, a nozzle which is formed by penetrating the nozzle block, and which is connected to the pressure chamber, and a trench located in a second direction which is at right angles to the first direction of the nozzle block, and extended in the first direction by being dented in the lower side of the nozzle block.