초록 ▼

According to the present invention, the liquid discharge head comprises a first liquid flow path communicating with a discharge opening for discharging liquid, a second liquid flow path having a bubble-generating region in which bubbles are generated in the liquid by heating the liquid, a movable me

According to the present invention, the liquid discharge head comprises a first liquid flow path communicating with a discharge opening for discharging liquid, a second liquid flow path having a bubble-generating region in which bubbles are generated in the liquid by heating the liquid, a movable member located between the first liquid flow path and the bubble-generating region, having a free end on the side of the discharge opening, the free end moving toward the first liquid flow path by pressure exerted by bubbles generated in the bubble-generating region to direct the pressure toward the discharge opening, wherein the first liquid flow is provided in plural, and wherein a first supply path for supplying the liquid to a first liquid chamber communicating with in common the plurality of first liquid flow paths communicates with the first liquid chamber through a plurality of first supply ports.

대표청구항 ▼

[ What is claimed is:] [1.] A liquid discharge head comprising:a plurality of first liquid flow paths each communicating with an associated discharge opening for discharging liquid;a plurality of second liquid flow paths corresponding respectively to said first liquid flow paths, each said second li

[ What is claimed is:] [1.] A liquid discharge head comprising:a plurality of first liquid flow paths each communicating with an associated discharge opening for discharging liquid;a plurality of second liquid flow paths corresponding respectively to said first liquid flow paths, each said second liquid flow path having a bubble-generating region in which bubbles are generated in the liquid by heating the liquid;a movable member located between said first liquid flow path and said bubble-generating region, having a free end on the side of said discharge opening, said free end moving toward said first liquid flow path by pressure exerted by bubbles generated in said bubble-generating region to direct the pressure toward said discharge opening; andwherein a first supply path for supplying the liquid to a first liquid chamber communicating in common with said plurality of first liquid flow paths communicates with said first liquid chamber through a plurality of first supply ports, and wherein a second supply path for supplying the liquid to a second liquid chamber commonly communicating with said second liquid flow paths communicates with the second liquid chamber through a plurality of second supply ports.