Patent ID: 7334875

Claim:
A method of fabricating a printhead having isolated nozzles, the method comprising the steps of: (a) providing a substrate, the substrate including a plurality of nozzles for ejecting ink droplets onto a print medium, each nozzle having a nozzle aperture defined in an ink ejection surface of the substrate; (b) depositing a layer of photoresist over the ink ejection surface; (c) defining recesses in the photoresist, each recess revealing a portion of the ink ejection surface surrounding a respective nozzle aperture; (d) depositing a roof material over the photoresist and into the recesses; (e) etching the roof material to define a nozzle enclosure around each nozzle aperture, each nozzle enclosure having an opening defined in a roof and sidewalls extending from the roof to the ink ejection surface; and (f) removing the photoresist.