Description: 257 active solid-state devices (e.g., transistors, solid-state diodes) / 257 active solid-state devices (e.g., transistors, solid-state diodes)/(49) non-single crystal, or recrystallized, semiconductor material forms part of active junction (including field-induced active junction) (65) non-single crystal, or recrystallized, material containing non-dopant additive, or alloy of semiconductor materials (e.g., ge x si 1- x, polycrystalline silicon with dangling bond modifier)
Hierarchy/Derived subclasses
uspto searches
Patent Apps in 257/65
Granted Patents in 257/65
Use the links above or do an advanced search in
ppubs for:
(257/65.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find
patents or patent applications in those subclasses.