Methods for making micro-fluid ejection head structures

Details Methods for making micro-fluid ejection head structures Methods for making micro-fluid ejection head structures

2005-09-23

2008-12-30

McPherson, John A. (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

C430S945000

Reexamination Certificate

active

07470505

ABSTRACT:
Methods of making micro-fluid ejection head structures. One of the methods includes providing a substrate having a plurality fluid ejection actuators on a device surface thereof. The device surface of the substrate also has a thick film layer comprising at least one of fluid flow channels and fluid ejection chambers therein. A removable anti-reflective material is applied to at least one or more exposed portions of the device surface of the substrate. A nozzle layer is applied adjacent to the thick film layer. The nozzle layer is imaged to provide a plurality of nozzles in the nozzle layer, and the non-reflective material is removed from the exposed portions of the device surface of the substrate.

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