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 group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multi-step process for the manufacture of unipolar device (epo) > Charge transfer device (epo) > With schottky gate (epo) > Patents - Class: 257/E21.458

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Class Information
Number: 257/E21.458
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 group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Multi-step process for the manufacture of unipolar device (epo) > Charge transfer device (epo) > With schottky gate (epo)
Description: This subclass is indented under subclass E21.456. This subclass is substantially the same in scope as ECLA classification H01L21/339C.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7338883	Process for transferring a layer of strained semiconductor material	Mar. 4, 2008
7125740	Solid-state image pickup device and fabrication method thereof	Oct. 24, 2006
7084061	Methods of fabricating a semiconductor device having MOS transistor with strained channel	Aug. 1, 2006

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