Ink jet head

Details Ink jet head Ink jet head

2011-07-19

2011-07-19

Robinson, Mark A (Department: 2883)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07980675

ABSTRACT:
An ink jet head includes a substrate having an ink supply port, an ejection outlet for ejecting ink supplied through the supply port, and a flow path portion which provides fluid communication between the supply port and the ejection outlet. The flow path portion includes a near portion which is near to the substrate and a remote portion which is remote from the substrate, and a width of the near portion is different from a width of the remote portion in a sectional plane perpendicular to a direction of flow of the ink, and a stepped portion is provided between the near portion and the remote portion.

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