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Class Information
Number: 257/E21.072
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising selenium (se) or tellurium (te) (epo) > Preliminary treatment of se or te, its application to substrate, or the subsequent treatment of combination (epo) > Conversion of se or te to conductive state (epo)
Description: This subclass is indented under subclass E21.07. This subclass is substantially the same in scope as ECLA classification H01L21/103.










Patents under this class:

Patent Number Title Of Patent Date Issued
8436445 Method of manufacture of sodium doped CIGS/CIGSS absorber layers for high efficiency photovoltaic devices May. 7, 2013
8138009 Method of fabricating thin film solar cell and apparatus for fabricating thin film solar cell Mar. 20, 2012
7598113 Phase change memory device and fabricating method therefor Oct. 6, 2009











 
 
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