abstract |
Ultrasonic wave atomization device (1) for solution atomization, comprising: a solution storage container (20) containing a solution in which at least one organic solvent and an active ingredient are mixed and whose viscosity is 1.7 mPa · s (at 20 ° C) at 5.0 mPa · s (at 20 5 ° C); a liquid absorbing wick (22) to absorb the solution from the solution storage container (20); and a vibration plate (32, 40, 45, 50) having multiple micropores (36) penetrating the vibration plate (32, 40, 45, 50) in a thickness direction and atomizing the solution by vibrating a piezoelectric vibrator (31) that generates ultrasonic vibration when fed with electricity, the vibration plate (32, 40, 45, 50) presenting a convex part (37) that has a trunk shape and is fed with the solution through of the liquid absorption wick (22). |