Kim Kwang Chol, researcher at the materials laboratory of the National Institute of Musical Instruments, is known for his innovative ideas.
Ten years ago, he graduated from Kim Il Sung University and was assigned to the institute. He has under his belt one certificate of national invention on kayagum string-making adhesive and more than 10 national certificates of introduction and registration of sci-tech achievements.
The first project he was tasked with was about the leather to be used in making janggu or an hourglass drum.
It was somewhat strange for him, for he had no deep understanding of the properties of the material and the instrument itself.
The sound volume is quite different according to the kind and thickness of the leather material, and the tone also significantly varies. He moved his workplace to a musical instrument factory for an in-depth study of the material.
The more he researched, the more difficult he found it was. But he persevered with the project and made it.
A few years ago, when he visited an art troupe, he found that the musicians were having trouble with the resin for imported instruments. He soon buckled down to the project.
Through a multitude of analyses of different sorts of resin, he succeeded in developing a new method of manufacturing resin for musical instruments that meet international standards by using locally available materials.
The method was not only recognized as a valuable invention in the field but also highly appreciated at various exhibitions.
Sim Chol Yong
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