Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2006-06-28
2011-10-18
Meier, Stephen (Department: 2853)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S085000
Reexamination Certificate
active
08038266
ABSTRACT:
An air babble trapping apparatus which traps an air bubble in ink includes: a filter having through holes formed in the substrate and an insulating layer with a low wettability formed in a surface of the substrate; and an electric potential control unit which controls an electric potential difference between the electroconductive substrate and the ink. When the electric potential difference is set to be zero, the air bubble in the ink is adhered to a surface of the filter because of the low wettability of the insulating layer. When the electric potential difference is set to be a predetermined value, the air bubble adhered to the surface of the filter is released since the wettability of the surface of the insulating layer of the filter is increased due to an electrowetting phenomenon.
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Japan Patent Office, Notice of Reasons for Rejection for Japanese Patent Application No. 2006-179190 (counterpart to above-captioned patent application), mailed May 10, 2011.
Baker & Botts L.L.P.
Brother Kogyo Kabushiki Kaisha
Martinez Carlos A
Meier Stephen
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