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DIFF Subgroup
H10W 10/10

Isolation regions comprising dielectric materials

Introduced: January 2026

Full Title

Isolation regions in semiconductor bodies between components of integrated devices > Isolation regions comprising dielectric materials

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2026.

Child Classifications

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  • H10W 10/13 formed using local oxidation of silicon [LOCOS], e.g. sealed interface localised oxidation [SILO] or side-wall mask isolation [SWAMI] since 2026 IPC+CPC Available in IPC and CPC
  • H10W 10/17 formed using trench refilling with dielectric materials, e.g. shallow trench isolations since 2026 IPC+CPC Available in IPC and CPC
  • H10W 10/181 CPC only CPC only