Apparatus for identification blind spot in equipment using mirror

PURPOSE: A blind area identification apparatus of the equipment inside is provided to easily distinguish a blind area which is invisible to the naked eye by installing a mirror of stainless steel material within housing. CONSTITUTION: A mirror(160) is arranged inside housing(120). The mirror reflects a blind area of a processing chamber(140). A part of the housing is formed into transparent material in order to observe the inner side of the housing. The mirror comprises a supporting unit, a reflecting unit, and a connecting unit. The connecting unit interlinks the supporting unit and the reflecting unit. The connecting unit comprises a hinge in order to control an angle of the reflecting unit. The supporting unit is fixed to the inner sidewall or the bottom of the housing.