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PCE
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DIFF Subgroup
H10F 30/22

the devices having only one potential barrier, e.g. photodiodes

Introduced: January 2025

Full Title

Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors > the devices having potential barriers, e.g. phototransistors > the devices being sensitive to infrared, visible or ultraviolet radiation > the devices having only one potential barrier, e.g. photodiodes

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2025.

Child Classifications

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  • H10F 30/2205 CPC only CPC only
  • H10F 30/222 the potential barrier being a PN heterojunction since 2025 IPC+CPC Available in IPC and CPC