Method of manufacture of an ink jet printer having a thermal...

Details Method of manufacture of an ink jet printer having a thermal... Method of manufacture of an ink jet printer having a thermal...

2005-02-15

2005-02-15

Alanko, Anita (Department: 1746)

Etching a substrate: processes

Forming or treating thermal ink jet article

Reexamination Certificate

active

06855264

ABSTRACT:
A method of manufacturing an ink jet printer having a thermal actuator comprising an external coil spring is disclosed wherein an array of nozzles are formed on a substrate utilising planar monolithic deposition, lithographic and etching processes. Multiple ink jet heads are preferably formed simultaneously on a single planar substrate. The substrate can be a silicon wafer. The print heads are preferably formed utilising standard vlsi/ulsi processing. Integrated drive electronics are preferably formed on the same substrate. The integrated drive electronics can comprise a CMOS process. Ink can be ejected from the substrate substantially normal to the substrate.

REFERENCES:
patent: 4899180 (1990-02-01), Elhatem
patent: 5684519 (1997-11-01), Matoba et al.
patent: 5719604 (1998-02-01), Inui et al.
patent: 5738799 (1998-04-01), Hawkins et al.
patent: 5804083 (1998-09-01), Ishii et al.

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