Ink jet recording head

Details Ink jet recording head Ink jet recording head

1997-05-16

2000-12-19

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 205

Patent

active

061619248

ABSTRACT:
In an ink jet recording head, the thin-film thermal resistor is covered by an electrically-insulating oxidation film. An inorganic insulation layer is formed over a part of the thin-film thermal resistor and the thin-film conductor. An organic insulation layer is formed over at least a part of the inorganic insulation layer that covers the connecting edge of the connection portion between the thin-film thermal resistor and the thin-film conductor.

REFERENCES:
patent: 4535343 (1985-08-01), Wright et al.
patent: 4777583 (1988-10-01), Minami et al.
patent: 5122812 (1992-06-01), Hess et al.
patent: 5710583 (1998-01-01), Mitani
patent: 5808640 (1998-09-01), Bhaskar et al.
Nikkei Mechanical, Dec. 28, 1992, pp. 58-63.
Jeffrey P. Baker, et al.; "Design and Development of a Color Thermal Ink Jet Print Cartridge", Hewlett-Packard Journal, Aug. 1988, pp. 6-32.
"Heat Transmission Data", Japan Mechanical Association, vol. 4, 1986.
Yoshihiro Uda, et al, "Boiling Nucleation on Very Small Film Heater Subjected to Extremely Rapid Heating", Japan Mechanical Association Paper, vol. 60-572(B), Apr., 1994.

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