ํ๊ท ๊ณ ์ฅ ๊ฐ๊ฒฉ ์๊ฐ(MTBF) is a key reliability metric used in product design and engineering that quantifies the average time elapsed between inherent failures of a system during operation. It serves as an indicator of a product’s reliability and performance, guiding improvements in design and manufacturing processes. By analyzing MTBF, organizations can enhance product ์ฅ์, optimize maintenance schedules, and ultimately increase customer satisfaction.