Liquid droplet ejecting apparatus

Details Liquid droplet ejecting apparatus Liquid droplet ejecting apparatus

1993-06-21

1995-11-14

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

347 54, 347 88, 222 14, 222420, B41V 205

Patent

active

054671124

ABSTRACT:
An ink jet printhead for ejecting an ink from a nozzle. An ink ejection chamber holding ink confronts the nozzle. The liquid ejection chamber shares with a sealed pressure chamber one wall made from a thin film. The sealed pressure chamber is filled with a liquid that generates a bubble when heated to its boiling point. To another wall of the sealed pressure chamber is formed a heat resistor for rapidly heating the pressurizing liquid to its boiling point which is higher than the operation temperature.

REFERENCES:
patent: 3747120 (1973-07-01), Stemme
patent: 4380018 (1983-04-01), Andoh
patent: 4480259 (1984-10-01), Kruger
patent: 4490731 (1984-12-01), Vaught
patent: 4684956 (1987-08-01), Ball
patent: 4714936 (1987-12-01), Helinski
patent: 4881318 (1989-11-01), Komuro
patent: 4934564 (1990-06-01), Piatt
patent: 5064711 (1991-11-01), Ito
patent: 5206659 (1993-04-01), Sakurai

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