Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-06-14
2011-06-14
Nguyen, Thinh H (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S056000
Reexamination Certificate
active
07959260
ABSTRACT:
A method for discharging liquid from a recording head including a first discharge port configured to discharge a liquid, a second discharge port configured to discharge a liquid, an amount of which is smaller than an amount of the liquid discharged from the first discharge port, and a substrate including a first heating element corresponding to the first discharge port, a second heating element corresponding to the second discharge port and the liquid supply port, wherein a distance between the liquid supply port and the second heating element is longer than a distance between the liquid supply port and the first heating element, and wherein discharge of the liquid from the first discharge port is performed by a discharge method in which a bubble formed by the first heating element communicates with atmosphere and an amount of the liquid discharged from the second discharge port is less than 2 pico liters.
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Kaneko Mineo
Tsuchii Ken
Tsukuda Keiichiro
Canon Kabushiki Kaisha
Canon USA Inc IP Division
Nguyen Thinh H
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