Inkjet recording head

Details Inkjet recording head Inkjet recording head

2008-06-24

2010-12-07

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S040000, C347S058000, C347S050000

Reexamination Certificate

active

07845766

ABSTRACT:
An inkjet recording head includes a recording-element substrate having arranged therein multiple sets of nozzles that discharge ink, energy-generating elements that generate energy used for discharging the ink, and supply ports that supply the ink to the nozzles; and a sealant disposed around the recording-element substrate. The supply ports include a first supply port disposed near a first edge of the recording-element substrate and a second supply port disposed near a second edge of the recording-element substrate, the second edge being opposite to the first edge as viewed in the arrangement direction of the multiple sets. As viewed in the arrangement direction, a distance between the second edge and the second supply port is shorter than a distance between the first edge and the first supply port, and a volume of the sealant near the second edge is smaller than a volume of the sealant near the first edge.

REFERENCES:
patent: 5030971 (1991-07-01), Drake et al.
patent: 6830317 (2004-12-01), Tsuchii et al.
patent: 6863381 (2005-03-01), Parish et al.

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