DIFF Subgroup
H10F 77/122 comprising only Group IV materials
Introduced: January 2025
Full Title
Full titles differ between systems:
IPC:
Constructional details of devices covered by this subclass > Semiconductor bodies > Active materials > comprising only Group IV materials
CPC:
Constructional details of devices covered by this subclass (constructional details of integrated devices, or assemblies of multiple devices, comprising at least one element in which radiation controls the flow of current H10F39/00) > Semiconductor bodies > Active materials > comprising only Group IV materials
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2025.
Child Classifications
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- H10F 77/1226 comprising multiple Group IV elements, e.g. SiC since 2025 +1 CPC IPC+CPC Available in IPC and CPC