Ink jet recording method and apparatus
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United States of America Patent
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May 27, 1997
Issued Date -
N/A
app pub date -
Nov 15, 1995
filing date -
Jun 16, 1992
priority date (Note) -
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Abstract
An ink jet recording method in which an ink jet recording is carried out using an ink jet recording head having a heat generating resistor layer for generating thermal energy, an electrode layer for supplying an electric signal to the heat generating resister layer to actuate it, a single silicon substrate having a width not less than 30 mm, on which the heat generating resistor layer and the electrode layer are formed, a liquid passage for supplying liquid to the heat generating resistor layer, and an ejection outlet for ejecting the liquid, the improvement residing in that a recording width of the substrate is not less than 30 mm; W.times.tp.times.f.times.k<1.30 is satisfied, where W is electric energy (W) supplied to the heat generating resistor, tp is a driving pulse width (sec) and f is a driving frequency (Hz), and k is recording density (dots/mm).
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