| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid discharging head the manufacturing cost of which is made low, which does never react with a solution containing a biopolymer being the liquid to be discharged and from each of nozzles of which a liquid droplet of the fixed amount can be discharged. SOLUTION: This liquid discharging head is provided with at least a reservoir 22 being a chamber for housing the liquid, a pressure chamber 6 for imparting pressure to the liquid in order to discharge the liquid, a flow passage for connecting the chamber 6 to the reservoir 22, and a nozzle hole 4 for discharging the liquid droplet from the chamber 6. A part of the flow passage is formed by a minute through-hole 10 arranged on a glass substrate 7. The inside diameter of the through-hole 10 is reduced or enlarged continuously. COPYRIGHT: (C)2005,JPO&NCIPI |
