LIQUID DROPLET DISCHARGE HEAD AND INK JET RECORDER

摘要

PROBLEM TO BE SOLVED: To solve the problem that an unevenness of liquid droplet characteristics is liable to occur and a cost is high. SOLUTION: A liquid droplet discharge head comprises a diaphragm 2 having a thin part 21, a central thick part 22 and a peripheral thick part 23 in such a manner that the thin part is separated into two thin parts 21 at the thick part 22.