Inkjet printhead with first and second nozzle plates
AssigneeSilverbrook Research Pty Ltd
InventorsWitold Roman Wiszniewski, David McLeod Johnstone, Kia Silverbrook
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Abstract
An inkjet printhead with first and second nozzle plates. The first nozzle plate is comprised of a first material spanning a plurality of nozzles. The first nozzle plate has a plurality of cavities filled with a filler such that an upper surface of the first nozzle plate and an upper surface of the filler together define a contiguous planar surface. The second nozzle plate is comprised of a second material disposed on the planar surface.
Claims9
An inkjet printhead comprising a bi-layered nozzle plate having a plurality of nozzle apertures defined therein, said bi-layered nozzle plate being comprised of:
- a first nozzle plate comprised of a first material spanning a plurality of nozzles, said first nozzle plate having a plurality of cavities filled with a filler such that an upper surface of said first nozzle plate and an upper surface of said filler together define a contiguous planar surface;
- and
- a second nozzle plate comprised of a second material disposed on said planar surface,
- wherein said second material is different than said filler, and
- wherein said first and second materials are each independently selected from the group consisting of:
- silicon nitride, silicon oxide and silicon oxynitride.
Dependencies are inferred from the claim text.