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Class Information
Number: 257/E31.107
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor devices responsive or sensitive to electromagnetic radiation (e.g., infrared radiation, adapted for conversion of radiation into electrical energy or for control of electrical energy by such radiation processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof) (epo) > Structurally associated with electric light source (e.g., electroluminescent light source) (epo) > Radiation-sensitive semiconductor device controlled by light source (epo) > Radiation-sensitive semiconductor device with potential or surface barrier (epo)
Description: This subclass is indented under subclass E31.103. This subclass is substantially the same in scope as ECLA classification H01L31/16C.

Patents under this class:

Patent Number Title Of Patent Date Issued
8076741 Photo sensing element array substrate Dec. 13, 2011
7638351 Photodiode with fiber mode dispersion compensation Dec. 29, 2009
5900619 Optical device comprising a photodetector for detecting light scattered outside a diffraction limit of an objective lens May. 4, 1999
4730115 Transformer system and direct current power supply Mar. 8, 1988
4712017 Photocoupler device having reflecting surface enhance signal transmission Dec. 8, 1987

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