Fluid ejection device with reduced crosstalk
A technology of fluid jetting and fluid jetting, which is applied in the direction of inking device, hose connection device, printing, etc., can solve the problems such as adverse effects on printing quality, achieve reducing fluid crosstalk, stabilizing droplet size and speed, and accurate and precise printing Effect
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[0036] refer to figure 1 , the printhead 100 may be used to eject fluid droplets such as inks, biological fluids, polymers, liquids used to form electronic components, or other types of fluids onto a surface. The printhead 100 includes a housing 410 having an interior volume that is divided into a fluid supply chamber 432 and a fluid return chamber 436 , for example by an upper partition 530 and a lower partition 440 .
[0037] The bottoms of the fluid supply chamber 432 and the fluid return chamber 436 are defined by the top surface of the insert assembly. The insert assembly may be attached to the lower printhead housing 410, for example, by adhesive, friction, or other attachment mechanisms. The insert assembly may include an upper insert 420 and a lower insert 430 between the upper insert 420 and the base plate 110 .
[0038] Upper insert 420 includes a fluid supply inlet 422 and a fluid return outlet 428 . For example, fluid supply inlet 422 and fluid return outlet 428...
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