H01S 5/148 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H01S 5/148

Full Title

Semiconductor lasers (superluminescent diodes H10H20/00) > Construction or shape of the optical resonator > External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065)

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →