Ink-jet printhead and method of manufacturing the same

Details Ink-jet printhead and method of manufacturing the same Ink-jet printhead and method of manufacturing the same

2005-04-19

2005-04-19

Brooke, Michael S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06880916

ABSTRACT:
An ink-jet printhead and a method of manufacturing the ink-jet printhead include a substrate on which at least one heater and a passivation layer protecting the at least one heater are formed, a passage plate formed on the substrate to provide a chamber corresponding to the at least one heater, and a nozzle plate in which an orifice corresponding to the chamber is formed. The passage plate is formed of photoresist, and the nozzle plate is formed of a silicon-family material at a temperature limited by characteristics of the passage plate.

REFERENCES:
patent: 4535343 (1985-08-01), Wright et al.
patent: 4882595 (1989-11-01), Trueba et al.
patent: 5163177 (1992-11-01), Komura
patent: 5291226 (1994-03-01), Schantz et al.
patent: 5912685 (1999-06-01), Raman
patent: 6130688 (2000-10-01), Agarwal et al.
patent: 11-070661 (1999-03-01), None

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