Ink jet recording head

Details Ink jet recording head Ink jet recording head

2011-07-19

2011-07-19

Lepisto, Ryan (Department: 2883)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S042000, C347S056000, C347S061000, C347S085000, C347S092000

Reexamination Certificate

active

07980677

ABSTRACT:
An ink jet recording head includes recording element substrates each including at least one nozzle array and heat generating resistors, a common liquid chamber having introducing and discharging ports, and a supporting member mounting the recording element substrates and in which a plurality of individual liquid chambers for supplying the ink to respective recording element substrates and a plurality of ink inlet ports for supplying the ink from the common liquid chamber to respective individual liquid chambers are formed. The individual liquid chambers are arranged in a direction of flow of the ink from the ink introducing port toward the discharging port. At least in a most upstream individual liquid chamber with respect to the direction, a center line of an associated inlet port with respect to the direction is located downstream of a center line of the upstream individual liquid chamber with respect to the direction.

REFERENCES:
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patent: 6540327 (2003-04-01), Akiyama et al.
patent: 7201476 (2007-04-01), Buchanan et al.
patent: 7815297 (2010-10-01), Kotaki et al.
patent: 2005/0157091 (2005-07-01), Hu et al.

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