Harness, Dickey & Pierce, P.L.C.
Nozzle plate, droplet discharge head, method for manufacturing the same and droplet discharge device
A nozzle plate includes a silicon substrate, and a nozzle hole formed in the silicon substrate for discharging a liquid droplet provided with: a first nozzle portion formed perpendicularly to a surface of the silicon substrate; a second nozzle portion formed on a same axis as an axis of the first nozzle portion and having a cross-sectional area that is larger than a cross-sectional area of the first nozzle portion; and an inclined portion having a cross-sectional area gradually increasing from the first nozzle portion to the second nozzle portion.
Seiko Epson Corporation
B B B B B B
B41J B41J B41J B41J B41J B41J
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Kazufumi Katsuji
Oya Arakawa