Recording head

Details Recording head Recording head

2008-10-09

2011-11-22

Mruk, Geoffrey (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

08061808

ABSTRACT:
An inkjet recording head includes a substrate having a discharge port surface on which discharge ports configured to discharge a liquid are formed. The discharge port surface of the substrate includes a plurality of point-symmetrical continuous grooves which are centered around each discharge port. The plurality of point-symmetrical continuous grooves differs in shape between in a region near each discharge port and in another region.

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