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US 7,905,574 B2Granted
Method of fabricating resistor and proximate drive transistor for a printhead
AssigneeSilverbrook Research Pty Ltd
InventorKia Silverbrook
Life of this patent
Estimating the term…
Abstract
An inkjet nozzle unit includes a first wafer having formed therein active drive circuitry and an ink ejection nozzle; a second wafer having an ink channel formed therein; an ink chamber complementarily defined between the first and second wafers; and two solenoid coils forming a paddle layer provided in the ink chamber, the paddle layer in signal communication with the active drive circuitry.
Claims3
An inkjet nozzle unit comprising:
- a first wafer having formed therein active drive circuitry and an ink ejection nozzle;
- a second wafer having an ink channel formed therein;
- an ink chamber complementarily defined between the first and second wafers;
- and
- two solenoid coils forming a paddle layer provided in the ink chamber, the paddle layer in signal communication with the active drive circuitry.
2 more elements
Dependencies are inferred from the claim text.