Patent ID: 8659108
Filing Date: 2014-02-25
Classification: G01J,H01L

Abstract:
1. A spectrometer device for detection of electromagnetic radiation impinging on a substrate, the impinging electromagnetic radiation generating pairs of majority and minority carriers in the substrate, the spectrometer device comprising: at least one photospectrometer having at least one sensitive area for detecting electromagnetic radiation impinging on the substrate, each of the at least one photospectrometer comprising at least two detection regions associated with the at least one sensitive area, wherein the at least two detection regions are laterally arranged spaced apart from each other, and wherein the at least two detection regions collect generated minority carriers; means for generating, in the substrate, a majority carrier current, the minority carriers being directed under influence of the majority carrier current towards the at least two detection regions, and means for determining spectral information based on the minority carriers collected at the at least two detection regions.