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Class Information
Number: 257/E31.089
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) > Adapted to control current flow through device (e.g., photoresistor) (epo) > For device having potential or surface barrier (e.g., phototransistor) (epo) > Device sensitive to very short wavelength (e.g., x-ray, gamma-ray, or corpuscular radiation) (epo) > With surface barrier or shallow pn junction (e.g., surface barrier alpha-particle detector) (epo)
Description: This subclass is indented under subclass E31.086. This subclass is substantially the same in scope as ECLA classification H01L31/118.

Sub-classes under this class:

Class Number Class Name Patents
257/E31.09 With shallow pn junction (epo) 21

Patents under this class:

Patent Number Title Of Patent Date Issued
7868354 GaN-based nitric oxide sensors and methods of making and using the same Jan. 11, 2011
7256469 Solid-state image pickup device Aug. 14, 2007
6975012 Semiconductor radiation detector having voltage application means comprises InxCdyTez on CdTe semiconductor substrate Dec. 13, 2005
6541835 Integrated .DELTA.E-E detector telescope Apr. 1, 2003
5854506 Semiconductor particle-detector Dec. 29, 1998
4926052 Radiation detecting device May. 15, 1990
4794438 Semiconductor radiation detecting device Dec. 27, 1988
4785186 Amorphous silicon ionizing particle detectors Nov. 15, 1988
4782302 Detector and energy analyzer for energetic-hydrogen in beams and plasmas Nov. 1, 1988
4692782 Semiconductor radioactive ray detector Sep. 8, 1987
4340899 Epitaxial integrated E-dE solid state detector telescope Jul. 20, 1982
4243885 Cadmium telluride photovoltaic radiation detector Jan. 6, 1981
4210805 Semiconductor radiation detector Jul. 1, 1980
4122345 Semiconductor detector for detecting ionizing radiation Oct. 24, 1978

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