Ink jet recording head having improved filter system and recording apparatus using same
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United States of America Patent
Stats
-
Mar 22, 1994
Issued Date -
N/A
app pub date -
Oct 29, 1992
filing date -
Mar 19, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ink jet recording apparatus that records on a recording medium by discharging ink from a discharge outlet contained in an ink jet recording head including an ink housing section in which ink is stored, a first filter disposed in a first ink path for supplying ink used for recording to the ink jet recording head from the ink housing section and a second filter disposed in a second ink path for supplying ink to the ink jet recording head from the ink housing section for recovering operation of the head. The size D.sub.I of the opening of the first filter, the size D.sub.O of the opening of the second filter and the minimum diameter D.sub.H of the head nozzle have the relationship of D.sub.I
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