Heat spreader for ink-jet printhead

Incremental printing of symbolic information – Ink jet – Controller

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Details

347 67, 347 17, B41J 29377

Patent

active

060658231

ABSTRACT:
A printhead for ejecting fluid has a nozzle on a first surface and a fluid feed channel defined within a second surface. The printhead includes an aggregate of thin-film layers, a portion of which is exposed by the fluid feed channel. The aggregate of thin-film layers contains at least one energy dissipation element suspended over the fluid feed channel. A heat spreader is mesially interposed within the aggregate of thin-film layers. The heat spreader proximally abuts to the energy dissipation element and extends from the energy dissipation element to extend past the fluid feed channel definition. The heat spreader is capable of dissipating heat from the energy dissipation element to a portion of the first surface of the printhead.

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