Inkjet head and method of manufacturing the inkjet head
AssigneeToshiba Tec Kabushiki Kaisha
InventorMasashi Shimosato
Life of this patent
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Abstract
According to one embodiment, an inkjet head includes a base including a mounting surface, an orifice plate, and a first driving element. The orifice plate includes a plurality of orifices. An ink chamber between the orifice plate and the base is configured to be supplied ink. The first driving element is arranged in the ink chamber and includes a plurality of first pressure chambers to which the orifices are opened and a plurality of first dummy chambers covered with the orifice plate, both ends of the first pressure chambers being opened to the ink chamber, both ends of the first dummy chambers being opened to the ink chamber, and the first dummy chambers being arranged alternately with the plurality of first pressure chambers.
Claims15
An inkjet head comprising:
- a base comprising a mounting surface;
- an orifice plate opposed to the mounting surface to form an ink chamber being configured to be supplied ink between the orifice plate and the base, and comprising a plurality of orifices;
- and
- a first driving element arranged in the ink chamber and attached to the mounting surface and comprising a plurality of groove-like first pressure chambers to which the orifices are opened and a plurality of groove-like first dummy chambers covered with the orifice plate, both ends of the first pressure chambers being opened to the ink chamber, both ends of the first dummy chambers being opened to the ink chamber, and the first dummy chambers being arranged alternately with the plurality of first pressure chambers.
An inkjet head comprising:
- a base comprising a mounting surface on which a supply hole from which ink is supplied and a discharge hole from which the ink is discharged are provided;
- an orifice plate opposed to the mounting surface to form an ink chamber, to which the supply hole and the discharge hole are opened, between the orifice plate and the base and comprising a plurality of orifices;
- and
- a first driving element arranged between the supply hole and the discharge hole and attached to the mounting surface and comprising a plurality of groove-like first pressure chambers to which the orifices are opened, the first pressure chambers comprising first ends into which the ink flows and second ends from which the ink flows out, and a plurality of groove-like first dummy chambers covered with the orifice plate, the first dummy chambers comprising first ends into which the ink flows and second ends from which the ink flows out and being arranged alternately with the plurality of first pressure chambers.
A method of manufacturing an inkjet head, the inkjet head comprising:
- a base comprising a mounting surface on which a supply hole from which ink is supplied and a discharge hole from which the ink is discharged are provided;
- an orifice plate opposed to the mounting surface to form an ink chamber, to which the supply hole and the discharge hole are opened, between the orifice plate and the base and comprising a plurality of orifices;
- and
- a driving element arranged between the supply hole and the discharge hole and attached to the mounting surface and comprising a plurality of groove-like pressure chambers comprising one ends into which the ink flows and other ends from which the ink flows out and a plurality of groove-like dummy chambers comprising one ends into which the ink flows and other ends from which the ink flows out and arranged alternately with the plurality of pressure chambers,
- the method comprising:
- attaching the driving element to the mounting surface of the base;
- and
- attaching the orifice plate to the base such that the orifices are opened to the pressure chambers and the orifice plate closes a part of the dummy chambers.
Dependencies are inferred from the claim text.