Ink jet print device and print head or print apparatus using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 1, 2000
Issued Date -
N/A
app pub date -
Dec 6, 1994
filing date -
Jan 30, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet print device includes a passageway for flowing ink having an outlet for ejecting ink at one end. The passageway has a portion where the cross-sectional dimensions of the passageway change. A generating device which generates energy for ejecting ink from the outlet is disposed on a surface intersecting the passageway and defines a part of the portion where the cross-sectional dimensions of the passageway change.
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