Liquid ejection head

Details Liquid ejection head Liquid ejection head

2011-06-21

2011-06-21

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07963636

ABSTRACT:
A liquid ejecting head is constituted by a substrate to which elements for generating energy utilized for ejecting liquid and a supply port for supplying the liquid to be ejected are provided; a plurality of ejection outlets, for ejecting the liquid, provided corresponding to the elements; pressure chambers each communicating with an associated ejection outlet; and flow paths communicating between the pressure chambers and the supply port. The flow paths include at least one pair of flow paths connected to an associated pressure chamber in a symmetrical manner and include flow paths overlapping with each other with respect to a direction from an associated ejection outlet toward the substrate.

REFERENCES:
patent: 6726308 (2004-04-01), Lee et al.
patent: 54-051837 (1979-04-01), None
patent: 58140259 (1983-08-01), None

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