Liquid jet recording head having internal structure for controlling droplet ejection and ink flow
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 8, 2000
Issued Date -
N/A
app pub date -
Nov 16, 1995
filing date -
Mar 20, 1991
priority date (Note) -
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Abstract
A recording head includes a liquid ejecting outlet, a liquid passage communicating with the ejection outlet, and a heat generating resistor for supplying heat to the liquid in a heat acting portion in the liquid to create a bubble in the liquid passage to eject the liquid through the ejection outlet. A cross-sectional area of the liquid passage increases from the heat acting zone toward the ejection outlet, and this improves performance while also improving head durability.
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