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US 6,280,022 B1Granted
Ink jet nozzle head
AssigneeOce-Technologies B.V.
InventorHans Reinten
Life of this patent
Estimating the term…
Abstract
An ink jet nozzle head including a substrate defining a nozzle and an ink channel connected to the nozzle, a diaphragm covering at least a portion of the ink channel, an actuator capable of deflecting the diaphragm, and a bump arranged for concentrating the force of the actuator that is applied to the diaphragm, wherein the diaphragm has at least two layers, and the bump forms a spacer for separating these two layers.
Claims8
An ink jet nozzle head comprising:
- a substrate means defining at least one nozzle and ink channel connected to said nozzle,
- a diaphragm covering at least a portion of said ink channel,
- actuator means for generating a force capable of deflecting the diaphragm, and
- bump means arranged for concentrating the force of the actuator means to be applied to the diaphragm, wherein the diaphragm has at least two layers, and the bump means is formed as a spacer disposed between these two layers.
1 more element
Dependencies are inferred from the claim text.