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Class Information
Number: 257/E39.004
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Devices using superconductivity, processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof (epo) > Characterized by current path (epo)
Description: This subclass is indented under subclass E.39.001. This subclass is substantially the same in scope as ECLA classification H01L39/06.

Patents under this class:

Patent Number Title Of Patent Date Issued
7888243 Semiconductor device and method of manufacturing the semiconductor device Feb. 15, 2011
4928081 Method of mass producing superconducting persistent current rings May. 22, 1990
4488164 Quantized Hall effect switching devices Dec. 11, 1984

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