Patent ID: 6065823
Filing Date: 2000-05-23
Classification: B41J

Abstract:
A printhead for ejecting fluid having a first surface and a second surface, said first surface having at least one nozzle, said second surface having a fluid feed channel defined within, the printhead comprising:an aggregate of thin-film layers, a portion of said aggregate of thin-film layers exposed by said fluid feed channel, said aggregate of thin-film layers including,at least one energy dissipation element suspended over said fluid feed channel, anda heat spreader mesially interposed within said aggregate of thin-film layers, said heat spreader proximately abutting said at least one energy dissipation element, said heat spreader extending from said at least one energy dissipation element to extending past the fluid feed channel definition wherein said heat spreader is not connected to said at least one energy dissipation element, and wherein said heat spreader is capable of dissipating heat from said at least one energy dissipation element over a portion of said first surface of the printhead.