Method and apparatus for elimination of misdirected satellite dr

Details Method and apparatus for elimination of misdirected satellite dr Method and apparatus for elimination of misdirected satellite dr

1994-01-03

1995-10-24

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

298901, 216 27, 347 45, 347 47, B41J 2135

Patent

active

054614066

ABSTRACT:
An apparatus and method for ejecting ink droplets from a plurality of nozzles located in the front face of a printhead controls front face geometries to ensure consistent image quality. A front face dicing angle and a thick film insulative layer etchback are controlled to maintain a Spot Aspect Ratio of each of the droplets ejected from the printhead within a predetermined acceptable range. The Spot Aspect Ratio may be maintained by control of an effective meniscus tilt angle.

REFERENCES:
patent: 4601777 (1986-07-01), Hawkins et al.
patent: 4638337 (1987-01-01), Torpey
patent: 4774530 (1988-09-01), Hawkins
patent: 4851371 (1989-07-01), Fisher et al.
patent: 4878992 (1989-11-01), Campanelli
patent: 4990939 (1991-02-01), Sekiya
patent: 5057853 (1991-10-01), Fisher
patent: 5068006 (1991-11-01), Fisher
patent: 5212496 (1993-05-01), Badesha

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