The machine USES photodiodes, for instance, to check whether the carrier has been correctly loaded - if so, the light from the diodes is obscured by the workpieces.
Solar panels are semiconductor products which are made up of some semiconductor photodiodes.
太阳能电池板是半导体产物，它由一些半导体光电二极管组成。
3
Such levels previously have been reported only for photodiodes manufactured with special processes that use back-side illumination, or for discrete UV photodiodes.