Plurality of barrier layers

Details Plurality of barrier layers Plurality of barrier layers

2007-06-05

2007-06-05

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S062000

Reexamination Certificate

active

10825547

ABSTRACT:
A fluid ejection device comprises a substrate having a first surface; a fluid ejector formed over the first surface; and a cover layer defining a firing chamber formed about the fluid injector, and defining a nozzle over the firing chamber. The cover layer is formed by at least two SU8 layers.

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