Patent ID: 8991980
Filing Date: 2015-03-31
Classification: B41J

Abstract:
1. A liquid ejection head comprising: a board including: an element configured to generate energy used to eject liquid; a supply port penetrating the board, the supply port configured to supply liquid to the element; and a wire connected to the element, wherein the element includes a first and a second element arranged in a first direction, the supply port includes a first and a second supply port arranged in the first direction, the wire includes a first and a second individual wire connected to the first and the second elements, the first and the second individual wires extending between the first and the second supply ports in a second direction which intersects with the first direction, an interval between the first and the second supply ports is greater than an interval between the first and the second elements, and in relation to the second direction, dummy wires which are not connected to the first element are provided on both sides of the first element, respectively, and the second individual wire is provided on one side of the second element and the dummy wire which is not connected to the second element is provided on the other side of the second element.