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Class Information
Number: 257/E33.039
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Light emitting semiconductor devices having a potential or a surface barrier, processes or apparatus peculiar to the manufacture or treatment of such devices, or of parts thereof > Device characterized by semiconductor body (epo) > Material of active region (epo) > Comprising compound other than group ii-vi, iii-v, and iv compound (epo) > Comprising only group ii-iv-vi compound (epo)
Description: This subclass is indented under subclass E33.037. This subclass is substantially the same in scope as ECLA classification H01L33/00C4F3.

Patents under this class:

Patent Number Title Of Patent Date Issued
8399878 Silicon/germanium oxide particle inks and processes for forming solar cell components and for forming optical components Mar. 19, 2013
8373210 Semiconductor device and semiconductor device manufacturing method Feb. 12, 2013
8263423 Silicon/germanium oxide particle inks and processes for forming solar cell components and for forming optical components Sep. 11, 2012
8097885 Compound semiconductor film, light emitting film, and manufacturing method thereof Jan. 17, 2012
7892872 Silicon/germanium oxide particle inks, inkjet printing and processes for doping semiconductor substrates Feb. 22, 2011
6841805 Method for generating mid-infrared light Jan. 11, 2005

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