Printhead nozzle having heater of higher resistance than contacts
First Claim
Patent Images
1. 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.
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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.
424 Citations
9 Claims
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1. A printhead nozzle comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification