Fluid ejection devices and methods for forming such devices

Details Fluid ejection devices and methods for forming such devices Fluid ejection devices and methods for forming such devices

2007-06-05

2007-06-05

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S063000

Reexamination Certificate

active

10999210

ABSTRACT:
Fluid ejection devices include a substrate having a cavity, a counter electrode formed on the substrate, a actuator membrane formed on the substrate, a roof layer formed on the substrate and a nozzle formed in the roof layer. Methods for forming fluid ejection devices include forming a cavity in a substrate, forming a counter electrode on the substrate, forming a actuator membrane on the substrate, forming a roof layer on the substrate and forming a nozzle in the roof layer.

REFERENCES:
patent: 6332669 (2001-12-01), Kato et al.
patent: 6572218 (2003-06-01), Gulvin et al.
patent: 6662448 (2003-12-01), Kubby et al.

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