Mems inkjet printhead having recirculating ink pathway
AssigneeMemjet Technology Limited
InventorMICHAEL HUDSON
Life of this patent
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Abstract
A MEMS printhead including: a plurality of nozzle chambers arranged in a plurality of nozzle rows, each nozzle chamber having: a nozzle opening for ejection of ink, an inlet channel extending parallel with a direction of droplet ejection and an outlet channel extending perpendicular to the inlet channel; an ink delivery channel extending parallel with the nozzle rows, the ink delivery channel supplying ink to a plurality of inlet channels; a plurality of ink collection channels extending across the nozzle rows, each ink collection channel collecting ink from a set of outlet channels; and an ink receiving channel extending parallel with the nozzle rows, the ink receiving channel receiving ink from the ink collection channels.
Claims17
A MEMS printhead comprising:
- a plurality of nozzle chambers arranged in a plurality of nozzle rows, each nozzle chamber having:
- a nozzle opening for ejection of ink, an inlet channel extending parallel with a direction of droplet ejection and an outlet channel extending perpendicular to the inlet channel;
- an ink delivery channel extending parallel with the nozzle rows, the ink delivery channel supplying ink to a plurality of inlet channels;
- a plurality of ink collection channels extending across the nozzle rows, each ink collection channel collecting ink from a set of outlet channels;
- and
- an ink receiving channel extending parallel with the nozzle rows, the ink receiving channel receiving ink from the ink collection channels.
Dependencies are inferred from the claim text.