| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of times of exchanges due to a long life by storing liquid efficiently in a limited space by a method wherein generated bubble expansion force of discharge driving force is so constituted as to be efficiently used with a movable component is a separated area apart from a bubble generation area, and a negative pressure of a containing vessel of liquid to be supplied thereto is controlled. SOLUTION: A liquid discharging head 200 together with a liquid containing vessel 100 constituting a liquid discharging head cartridge 300, allow the liquid in a bubble generation area between a heating element on a base plate and a movable component arranged opposed thereto to generate a bubble by a film boiling phenomena, while the heating element is arranged on the element base plate and a liquid passage is arranged corresponding thereto. Then, pressure following generation of the bubble and the bubble itself are conducted to a downstream side in a discharge opening direction to discharge the liquid with the movable component. Further, the liquid containing vessel 100 communicating to the liquid discharge head part 200 with a liquid inducing channel 103 contains discharging liquid in a space enclosed with an outer wall 101 forming a vessel outer hull adjacent to a case body 101 and a separable inner wall 102. Each wall has a specific thickness, a specific angle part, and a specific shape, and stable negative pressure can be generated and maintained. |
