Liquid discharge recording head

Details Liquid discharge recording head Liquid discharge recording head

2011-08-30

2011-08-30

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S043000, C347S065000

Reexamination Certificate

active

08007074

ABSTRACT:
A liquid discharge recording head comprising a plurality of recording element boards for discharging black ink and color ink, by which image quality of color ink is improved without decreasing image quality of black ink. The liquid discharge recording head including: a first recording element board including a first discharge aperture for discharging liquid; a second recording element board including a second discharge aperture, the second discharge aperture being smaller than the first discharge aperture; and a support member including a face for supporting the first recording element board and the second recording element board. A distance from the face of the support member to the second discharge aperture is longer than a distance from the face of the support member to the first discharge aperture.

REFERENCES:
patent: 6315390 (2001-11-01), Fujii et al.
patent: 6474790 (2002-11-01), Kaneko
patent: 7198353 (2007-04-01), Hart et al.
patent: 8-281926 (1996-10-01), None
patent: 2000-255057 (2000-09-01), None
patent: 2002-154208 (2002-05-01), None
patent: 2002-321354 (2002-11-01), None

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