Inkjet printing head

Details Inkjet printing head Inkjet printing head

2007-07-24

2007-07-24

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S072000

Reexamination Certificate

active

10874332

ABSTRACT:
An inkjet printing head including: a common ink chamber having an outlet; and an individual ink flow path having a pressure chamber and leads ink from the outlet of the common ink chamber to a nozzle through the pressure chamber, wherein the common ink chamber and the individual ink flow path are formed of a plurality of thin plate members having holes formed thereon, the thin plate members being laminated and fixed onto one another by metal-metal junction, and wherein sectional area of the common ink chamber along a planar direction of the thin plate members is configured to be smaller at an end portion where the outlet is provided than at a central portion in a direction of thickness of the plurality of thin plate members.

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