Inkjet Drop Ejection Apparatus With Radially Extending Thermal Actuators
First Claim
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1. An inkjet drop ejection apparatus comprising:
- an array of ink ejection nozzles;
a chamber corresponding to each ink ejection nozzle and for storing ink; and
a plurality of actuators provided on top of each chamber, the actuators radially extending out from a common centre and defining an ink ejection port at the common centre, whereineach actuator is comprised of first material surrounding a conductive core of a second material, andeach actuator is adapted to bend inward with respect to the chamber when heated.
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Abstract
An inkjet drop ejection apparatus comprises an array of ink ejection nozzles; a chamber corresponding to each ink ejection nozzle and for storing ink; and a plurality of actuators provided on top of each chamber, the actuators radially extending out from a common centre and defining an ink ejection port at the common centre. Each actuator is comprised of first material of surrounding a conductive core of a second material. Each actuator is adapted to bend inward with respect to the chamber when heated.
39 Citations
6 Claims
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1. An inkjet drop ejection apparatus comprising:
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an array of ink ejection nozzles; a chamber corresponding to each ink ejection nozzle and for storing ink; and a plurality of actuators provided on top of each chamber, the actuators radially extending out from a common centre and defining an ink ejection port at the common centre, wherein each actuator is comprised of first material surrounding a conductive core of a second material, and each actuator is adapted to bend inward with respect to the chamber when heated. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification