Liquid ejecting head and method in which a movable member is provided between flow paths, one path joining a common chamber and ejection orifice, the other, having a heat generating element
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United States of America Patent
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Dec 18, 2001
Grant Date -
N/A
app pub date -
Apr 15, 1996
filing date -
Apr 14, 1995
priority date (Note) -
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Abstract
A liquid ejecting head ejects liquid by generating a bubble. The head includes a first liquid flow path for direct fluid communication between a first common liquid chamber and an ejection outlet, a second liquid flow path having a heat generating element for applying heat to the liquid to generate a bubble in the liquid, and a supply path for supplying the liquid to above the heat generating element from an upstream side of the heat generating element in a direction along the heat generating element. A movable member is disposed between the first and second flow paths, faces the heat generating element, and is displaced to a side of the first liquid flow path because of pressure generated when the heat generating element is driven, and has a fulcrum and a free end located downstream of the fulcrum. A guide path is provided in which the liquid flows above the heat generating element in the second liquid flow path.
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