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US 8,075,104 B2Granted
Printhead nozzle having heater of higher resistance than contacts
AssigneeSliverbrook Research Pty Ltd
InventorKia Silverbrook
Life of this patent
Estimating the term…
Abstract
A printhead nozzle is provided having a plurality of electrodes, a heater having contacts abutting the electrodes, a heater element for heating a quantity of fluid and sloped side portions extending between the heater element and the contacts, and a nozzle spaced from the heater such that the heated fluid is ejected through the nozzle. The heater element has higher electrical resistance than the contacts and the sloped side portions.
Claims9
A printhead nozzle comprising:
- a plurality of electrodes;
- a heater having contacts abutting the electrodes, a heater element for heating a quantity of fluid and sloped side portions extending between the heater element and the contacts;
- and
- a nozzle spaced from the heater such that the heated fluid is ejected through the nozzle,
- wherein the heater element has higher electrical resistance than the contacts and the sloped side portions.
2 more elements
Dependencies are inferred from the claim text.