| abstract |
(57) [Summary] [PROBLEMS] A smaller liquid ejection element, a liquid ejection head, In addition, a smaller liquid ejection device incorporating them is provided. SOLUTION: A plurality of liquid pool main streams 106 and a plurality of liquid supply means connected thereto are provided, and the plurality of liquid pool main streams are connected to a plurality of liquid pool tributaries. Therefore, in the unit element 100 of the ink ejection head, the ink pool is connected to the ink tank at two locations above and below the main flow of the liquid pool, an ink supply port is provided near the center of the main flow, the upper main flow and the lower main flow are connected. Each of them has a structure to connect an ink tank. |