METHOD FOR IMPROVING SOUND PROPERTY OF SOUNDING BOARD FOR MUSICAL INSTRUMENT BY Ñ RAY IRRADIATION AND HEAT TREATMENT

摘要

The present invention relates to a method for improving acoustic properties by treating with a gamma ray irradiation and heat of a musical instrument flavor plate material.;Heat treatment with γ-ray or γ-ray, γ-ray treatment in low region (100 ~ 1000rad) to induce change inside, then heat treatment, adjust temperature and time according to species, 15 minutes or 160 ℃ at 255 ℃ Method for improving the acoustic properties by γ-rays or heat treatment of the musical instrument for improving the acoustic properties in a short time, characterized in that for 12 hours.;[Index];γ-rays, heat treatment, acoustics, acoustic properties, musical instrument boards, musical instruments.