Ink jet recording head using a piezoelectric element having an a

Details Ink jet recording head using a piezoelectric element having an a Ink jet recording head using a piezoelectric element having an a

1988-09-30

1990-02-13

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310369, G01D 1516, B41J 304

Patent

active

049010921

ABSTRACT:
An ink jet recording head includes a piezoelectric element with an outer cross-sectional shape having opposed, curved first surfaces and opposed second surfaces, which may be formed by cutting off opposite sides of a circular cross-section piezoelectric element on diametrically opposed chords. An electric field applied to the piezoelectric element is stronger in one direction than another, thereby increasing the discharge efficiency of the ink jet head.

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