前言－馬達驅動器所要求的四大要點 馬達的種類與分類 各領域的馬達驅動系統概述 小型馬達的結構 馬達的旋轉原理和發電原理 With AlGaN and AlGaInN, even shorter wavelengths are achievable. Around-UV emitters at wavelengths around 360–395 nm are now low-cost and often encountered, by way of example