LED is the core of the P-typesemiconductor and components of the N-typesemiconductor chips.
发光二极管的核心部分是由P型半导体和N型半导体组成的晶片。
2
Phosphine (PH3) is an important electronic specific gas which is mainly used in fields of N-typesemiconductor doping, ion implement and chemical vapor deposition (CVD) etc.