Thermal ink-jet printhead method for generating homogeneous nucl

Details Thermal ink-jet printhead method for generating homogeneous nucl Thermal ink-jet printhead method for generating homogeneous nucl

1991-03-15

1993-04-27

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, B41J 205

Patent

active

052066592

ABSTRACT:
A thermal ink-jet type printhead is disclosed which comprises a strip-like thin metallic layer formed on a substrate. The layer is configured so as to define a narrow portion which is positioned between broad portions. The narrow portion defines a heating element which is integral with the broad portions which act as electrodes. Electrical heating pulses are supplied to the narrow heater portion via the electrodes. The heater arrangement is durable to thermal stresses generated by a superheating and, accordingly is well suited for spontaneous or homogeneous nucleation.

REFERENCES:
patent: 4339762 (1982-07-01), Shirato
patent: 4490728 (1984-12-01), Vaught
patent: 4723129 (1988-02-01), Endo
patent: 4847630 (1989-07-01), Bhaskar
patent: 4935752 (1990-06-01), Hawkins

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