| 摘要 |
PROBLEM TO BE SOLVED: To provide a method capable of producing drops of water by irradiating stationary ultraviolet light. SOLUTION: Drops of water or ice particles are formed in an object area composed of air containing moisture by irradiating the object area with stationary ultraviolet light having≤380 nm wavelength. The stationary ultraviolet light uses, preferably, a low-pressure mercury-vapor lamp as the light source. The content of moisture in the object area is preferably saturated water vapor pressure or above. The temperature in the object area is preferably≤3°C. It is preferable that irradiation of stationary ultraviolet light is continuously carried out while changing irradiation position in the object area. COPYRIGHT: (C)2007,JPO&INPIT
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