PRINT FLUID PASSAGEWAY THIN FILM PASSIVATION LAYER

In an example, a printhead includes a die stack having a plurality of dies and a nozzle plate bonded together. A fluid passageway extends throughout the die stack to enable fluid to flow into a bottom die in the die stack, through the die stack, and out through a nozzle in the nozzle plate. The prin...

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Bibliographic Details
Main Authors CRUZ-URIBE Tony S, CHEN Zhizhang
Format Patent
LanguageEnglish
Published 16.03.2017
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:In an example, a printhead includes a die stack having a plurality of dies and a nozzle plate bonded together. A fluid passageway extends throughout the die stack to enable fluid to flow into a bottom die in the die stack, through the die stack, and out through a nozzle in the nozzle plate. The printhead includes a thin film passivation layer that coats all surfaces of the fluid passageway.
Bibliography:Application Number: US201415122715