Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E31.025
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) > Characterized by semiconductor body (epo) > Characterized by semiconductor body material (epo) > Inorganic materials (epo) > Including, apart from doping material or other impurity, only group iv compound (e.g., sic) (epo) > Characterized by doping material (epo)
Description: This subclass is indented under subclass E31.023. This subclass is substantially the same in scope as ECLA classification H01L31/0312C.










Patents under this class:

Patent Number Title Of Patent Date Issued
6459107 Photodetector having a mixed crystal layer of SiGeC Oct. 1, 2002











 
 
  Recently Added Patents
Switch redundancy in systems with dual-star backplanes
Acceleration based mode switch
Multi-touch recognition resistive touch screen for recognizing multi-touch coordinates through capacitor charging time
Matching engine for comparing data feeds with user profile criteria
Resin composition, prepreg, resin sheet, metal-clad laminate, printed wiring board, multilayer printed wiring board and semiconductor device
Load balancing in shortest-path-bridging networks
High-voltage AC light-emitting diode structure
  Randomly Featured Patents
Image processing apparatus
Method and apparatus for forming an internally screw-threaded article
Printed pamphlet with folded pocket for key card
Electrical chess clock
Method of making a photosensitive electrode and a photosensitive electrode made thereby
Bi-directional flow indicator
Skin adherent sweat band
Feeding device having alternatively connectable slip-on gear units
Device equipped with a sensor
Toilet seat tightening tool