H01S 5/3027 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H01S 5/3027

Full Title

Semiconductor lasers (superluminescent diodes H10H20/00) > Structure or shape of the active region; Materials used for the active region

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.