Ink jet head with polycrystalline metal electrodes

Details Ink jet head with polycrystalline metal electrodes Ink jet head with polycrystalline metal electrodes

1995-05-17

1998-04-07

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 63, B41J 205

Patent

active

057370001

ABSTRACT:
An ink-jet head for injecting ink into a work piece, has an ink passage in which the ink is received, and a pair of electrodes in the ink passage for heating electrically and vaporizing thermally the ink to generate an ink-jet toward the work piece, wherein a crystal grain diameter of the electrodes is not less than 0.1 .mu.m, a total orientation deviation of (002) or (011) crystal orientation face of the electrodes with respect to a direction perpendicular to an electrode layer thickness direction is decreased, and/or a surface roughness of the electrodes is not less than 0.005 .mu.m, so that oxidation and corrosion of the electrodes are restrained.

REFERENCES:
patent: 3179042 (1965-04-01), Naiman
patent: 5479197 (1995-12-01), Fujikawa et al.
patent: 5509558 (1996-04-01), Imai et al.

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