Method of minimizing ink drop velocity variations in an on-demand multi-nozzle ink jet head
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United States of America Patent
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Aug 15, 2000
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N/A
app pub date -
Mar 14, 1997
filing date -
Mar 15, 1996
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Abstract
A piezoelectric element is driven by a predetermined pulse width in the range of 60 to 100% of the Helmholtz resonance vibration period of an ink vibration system comprising an orifice, a pressurizing chamber, a restrictor, the piezoelectric element, and an elastic material.
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