Ink jet recording apparatus
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United States of America Patent
Stats
-
Jan 2, 2001
Grant Date -
N/A
app pub date -
Aug 25, 1997
filing date -
Mar 4, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet recording head includes a plurality of ink ejection outlets, a first member having a plurality of grooves in fluid communication with the ejection outlets, respectively, a second member having a plurality of energy generating elements for producing energy for ejecting ink in the grooves through the ejection outlets, and a clamping unit for clamping the first member with the second member to constitute ink passages with the grooves, wherein the clamping unit has a plurality of pressure regulating mechanism pressure regulating mechanisms, which are independently operable.
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