Diodes (variable-capacitance diodes H10D1/64; gated diodes H10D12/00)

Introduced: January 2025

Title

Titles differ between systems:

IPC: Diodes

CPC: Diodes (variable-capacitance diodes H10D1/64; gated diodes H10D12/00)

Full titles differ between systems:

IPC:

Diodes

CPC:

Diodes (variable-capacitance diodes H10D1/64; gated diodes H10D12/00)

Of 12 combined children, 8 exist in both systems.

4 codes are CPC-only extensions.

IPC defines codes here since 2025.

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H10D 8/01 Manufacture or treatment since 2025 +7 CPC IPC+CPC Available in IPC and CPC
H10D 8/20 Breakdown diodes, e.g. avalanche diodes since 2025 IPC+CPC Available in IPC and CPC
H10D 8/30 Point-contact diodes since 2025 IPC+CPC Available in IPC and CPC
H10D 8/40 Transit-time diodes, e.g. IMPATT or TRAPATT diodes since 2025 IPC+CPC Available in IPC and CPC
H10D 8/411 CPC only CPC only
H10D 8/422 CPC only CPC only
H10D 8/50 PIN diodes since 2025 IPC+CPC Available in IPC and CPC
H10D 8/60 Schottky-barrier diodes since 2025 +1 CPC IPC+CPC Available in IPC and CPC
H10D 8/70 Tunnel-effect diodes since 2025 +1 CPC IPC+CPC Available in IPC and CPC
H10D 8/80 PNPN diodes, e.g. Shockley diodes or break-over diodes since 2025 IPC+CPC Available in IPC and CPC
H10D 8/812 CPC only CPC only
H10D 8/825 CPC only CPC only

Class H10,2013–2023, worldwide · Source: EPO PATSTAT

Class H10,2013–2023, worldwide · Source: EPO PATSTAT