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Class Information
Number: 257/E27.003
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Device consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate, e.g., integrated circuit device (epo) > Including bulk negative resistance effect component (epo) > Including gunn-effect device (epo)
Description: This subclass is indented under subclass E27.002. This subclass is substantially the same in scope as ECLA classification H01L27/26B.

Patents under this class:

Patent Number Title Of Patent Date Issued
4145624 Fet-teld combination with capacitively coupled output electrode means Mar. 20, 1979
4107718 Bulk semiconductor logic device Aug. 15, 1978
4047199 Semiconductor device Sep. 6, 1977

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