Ink jet head having trapezoidal ink passages, ink cartridge and recording apparatus with same
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United States of America Patent
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Apr 16, 1996
Issued Date -
N/A
app pub date -
Oct 3, 1994
filing date -
Sep 18, 1989
priority date (Note) -
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Abstract
An ink jet head includes a first member provided with an ejection energy generating element for generating energy contributable to ejection of ink; a second member provided with a recess for defining an ink passage with a trapezoidal cross-section by being coupled with the first member, corresponding to the ejection energy generating element; and a third member provided with an ejection outlet which communicates with the ink passage and through which the ink is ejected.
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Cited Art Landscape
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