| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a liquid discharge head which can reduce a size of a head, and can reduce variation of droplet discharge characteristics between respective liquids supplied from a plurality of common liquid chambers arranged side by side.SOLUTION: A liquid is introduced to a first liquid introducing part 8A through a first introducing port 9A from a first common liquid chamber 10A, and a liquid is introduced to a second liquid introducing part 8B through a second introducing port 9B from a second common liquid chamber 10B. An array of the first introducing ports 9A and an array of the second introducing ports 9B are arranged in different positions in a direction orthogonal to a nozzle array direction. A length which determines fluid resistance of a flow channel from the second introducing port 9B of the second liquid introducing part 8B to a fluid resistance part 7 is longer than a length which determines fluid resistance of a flow channel from the first introducing port 9A of the first liquid introducing part 8A to the fluid resistance part. An opening cross sectional area which determines the fluid resistance of the flow channel from the second introducing port 9B of the second liquid introducing part 8B to the fluid resistance part is larger than an opening cross sectional area which determines the fluid resistance of the flow channel from the first introducing port 9A of the first liquid introducing part 8A to the fluid resistance part.</p> |
