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PCE
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DIFF Subgroup
H10F 77/40

Optical elements or arrangements (surface textures H10F77/70)

Introduced: January 2025

Title

Titles differ between systems:

IPC: Optical elements or arrangements

CPC: Optical elements or arrangements (surface textures H10F77/70)

Full Title

Full titles differ between systems:

IPC:

Constructional details of devices covered by this subclass > Optical elements or arrangements

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) > Optical elements or arrangements (surface textures H10F77/70)

CPC subdivides this area 4x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

IPC defines codes here since 2025.

Child Classifications

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  • H10F 77/407 CPC only CPC only
  • H10F 77/413 CPC only CPC only
  • H10F 77/496 CPC only CPC only