Liquid ejection head and printing apparatus

Incremental printing of symbolic information – Ink jet – Ejector mechanism

Reexamination Certificate

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Details

C347S056000, C347S061000, C347S066000, C347S086000

Reexamination Certificate

active

08033651

ABSTRACT:
A reliable print head with improved reliability is less likely to be damaged by possible cavitation in ink inside a bubbling chamber. A plurality of ink supply paths through which the ink is supplied to the bubbling chamber are connected to the bubbling chamber. Communication positions where the plurality of ink supply paths communicate with the energy acting chamber are formed such that distances from a heater formation surface of the communication positions are different from each other along a direction orthogonal to the heater formation surface.

REFERENCES:
patent: 4558333 (1985-12-01), Sugitani et al.
patent: 6660175 (2003-12-01), Kawamura et al.
patent: 7111930 (2006-09-01), Studer et al.
patent: 2003/0117462 (2003-06-01), Cleland et al.
patent: 58-8658 (1983-01-01), None

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