LIQUID DISCHARGE HEAD, LIQUID DISCHARGE UNIT, AND DEVICE FOR DISCHARGING LIQUID

PROBLEM TO BE SOLVED: To reduce variations in discharge characteristics in a circulation-type head.SOLUTION: A liquid discharge head includes: a nozzle 4 for discharging liquid; an individual liquid chamber 6 communicating with the nozzle 4; two supply-side fluid resistance parts 7A and 7B which communicate with the individual liquid chamber 6 and constitute a supply flow passage for supplying liquid; two supply-side inlet parts 8A and 8B; a supply-side common liquid chamber 10; two discharge-side fluid resistance parts 57A and 57B constituting a discharge flow passage which communicates with the individual liquid chamber 6 through a nozzle communication passage 5 and discharges liquid; two discharge-side outlet parts 58A and 58B; and a discharge-side common liquid chamber 50.SELECTED DRAWING: Figure 2 【課題】循環型ヘッドにおける吐出特性のバラツキを低減する。【解決手段】液体を吐出するノズル４と、ノズル４に連通する個別液室６と、個別液室６に連通して液体を供給する供給流路を構成する２つの供給側流体抵抗部７Ａ、７Ｂと、２つの供給側導入部８Ａ、８Ｂと、供給側共通液室１０と、個別液室６にノズル連通路５を介して連通して液体を排出する１つの排出流路を構成する２つの排出側流体抵抗部５７Ａ、５７Ｂと、２つの排出側導出部５８Ａ、５８Ｂと、排出側共通液室５０を有している。【選択図】図２