Reed processing, harmonica and key harmonica

摘要

[Problem] Solving the problems of manual tuning [Solvents] Processing method for a reed of a harmonica or a keyboard harmonica, wherein the material of the reed is formed of a copper alloy while blowing air or an inert gas on the reed, irradiation with a laser beam having a wavelength smaller than 600 nm is performed, forming on the surface of the reed a liquefaction / evaporation section and thereby determines a pitch and thus a mood is performed.