Elimination of nucleation sites in pressure chamber for ink jet

Details Elimination of nucleation sites in pressure chamber for ink jet Elimination of nucleation sites in pressure chamber for ink jet

1989-06-09

1990-08-07

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, 427237, 4272556, B41J 217, B41J 2045

Patent

active

049471848

ABSTRACT:
In the particular embodiments of the invention described in the specification, the pressure chamber for an ink jet system is coated with a smooth, conforming layer of a coating material, such as a xylylene polymer material, which is wettable by the ink used with the system to eliminate nucleation sites in the surfaces forming the walls of the chamber and thereby inhibit formation of bubbles from dissolved air contained in ink within the chamber when the ink is subjected to reduced pressure during operation of the ink jet system.

REFERENCES:
patent: 4173664 (1979-11-01), Cieloszyk
patent: 4296421 (1981-10-01), Hara
patent: 4385304 (1983-05-01), Sniderman
patent: 4518623 (1985-05-01), Riley
patent: 4589000 (1986-05-01), Koto
patent: 4605939 (1986-08-01), Hubbard
patent: 4725862 (1988-02-01), Matsuzaki

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