Liquid ejecting head and a process for producing the head

Details Liquid ejecting head and a process for producing the head Liquid ejecting head and a process for producing the head

2007-03-20

2007-03-20

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S046000

Reexamination Certificate

active

10950820

ABSTRACT:
A liquid ejecting head of the invention has ink ejected with the electrostatic force, with a structure having a partition wall separating the flow channel into an inflow region and an outflow region. The wall passing by the positions of the ejecting orifices runs in a serpentine path to traverse the ink flow space in a direction perpendicular to the direction of the ink flow. The partition wall is produced by, first, applying a specified film thickness of photoresist on a substrate, second pressing a molding substrate onto a surface of the applied film of the photoresist to form a ridge-like projections which is to be a projecting solution guides, third forming the wall by etching the patterned photoresist film using a mask having a pattern of lines.

REFERENCES:
patent: 6119342 (2000-09-01), Shima et al.
patent: 9-254372 (1997-09-01), None
patent: 10-67114 (1998-03-01), None

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