Ink-jet printing method and apparatus, and method and apparatus for manufacturing color filter
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United States of America Patent
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Dec 8, 1998
Grant Date -
N/A
app pub date -
Sep 5, 1996
filing date -
Sep 8, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
This invention has as its object to provide an ink-jet printing method which make uniform the ejection amounts of nozzles with high precision when a printing operation is performed using only some of a plurality of ejection nozzles. To achieve this object, according to this invention, in an ink-jet printing method for dividing all nozzles of an ink-jet head having a plurality of ink ejection nozzles into a plurality of nozzle groups each including nozzles separated by a predetermined number of nozzles, and performing a printing operation by switching the plurality of nozzle groups as needed, the printing operation is performed while variations in ejection amount of the nozzles are made uniform for each nozzle group.
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