ゾーンメルティング

noun

zone melting

Technical term in materials science and semiconductor manufacturing. Refers to a purification process where a narrow molten zone is moved along a solid rod, concentrating impurities at one end.

• ゾーンメルティングは高こう純じゅん度どシリコンの製せい造ぞうに使つかわれる。

  Zone melting is used in the production of high-purity silicon.