Liquid jet recording head having internal structure for controll

Details Liquid jet recording head having internal structure for controll Liquid jet recording head having internal structure for controll

1995-11-16

2000-02-08

Hartary, Joseph

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 94, B41J 205

Patent

active

060221003

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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Drake, D.J., "Direction Sideshooter Bubble Jet Printhead", Xerox Disclosure Journal, vol. 14, No. 3, May/Jun. 1989.
Hawkins et al; Sideshooter with High Frequency Response; Xerox Disclosure Journal, V14, N3, May/Jun. 1989, pp. 105-107.

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