Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1992-07-09
1994-12-06
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
B41J 205
Patent
active
053715284
ABSTRACT:
A liquid jet head includes a heat generating element for producing a bubble to eject liquid from the head, a heat acting zone in which heat generated by the heat generating element produces a bubble in the liquid, a liquid supply passage adjacent the heat acting zone and having a liquid supply opening, with a center, for supplying liquid to the heat acting zone, and a liquid ejection passage adjacent the heat acting zone and having an orifice, with a center, through which the liquid is ejected, the liquid ejection passage including a diverging portion extending in a direction from the heat acting zone toward the orifice. A first plane that includes a first center line passing through the center of the orifice and along a direction of liquid ejection through the orifice, and a second plane that includes a second center line passing through the center of the liquid supply opening and along a direction of the supply of liquid from the liquid supply passage to the heat acting zone, cross in the diverging portion of the liquid ejection passage. At least a portion of the liquid supply passage and at least a portion of the diverging portion have a common, collinear surface substantially parallel to the second center line.
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Fukuda Tsuguhiro
Goto Akira
Hattori Yoshifumi
Ikeda Masami
Izumida Masaaki
Canon Kabushiki Kaisha
Fuller Benjamin R.
Le N.
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