Liquid recording head

Details Liquid recording head Liquid recording head

2011-07-26

2011-07-26

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07984976

ABSTRACT:
A liquid recording head includes an element substrate on which ejection energy generating elements for generating energy for ejecting droplets of liquid are provided in a staggered arrangement, ejection outlets provided opposed to the ejection energy generating elements, ejection energy generation chambers enclosing the ejection energy generating elements, and a flow path constituting member constituting first and second nozzles for supplying the liquid into the ejection energy generation chambers. The second nozzles have flow path lengths shorter than those of the first nozzles, the first and second nozzles are arranged alternately, and an average height of the paths of the first nozzles is greater than that of the paths of the second nozzles.

REFERENCES:
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patent: 6830317 (2004-12-01), Tsuchii et al.
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patent: 6984025 (2006-01-01), Kaneko et al.
patent: 7077503 (2006-07-01), Kaneko et al.
patent: 7178899 (2007-02-01), Silverbrook
patent: 7641317 (2010-01-01), Matsui et al.
patent: 2004/0218007 (2004-11-01), Tomizawa et al.
patent: 2007/0035580 (2007-02-01), Ide et al.

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