Optical elements characterised by the material of which they are made; Optical coatings for optical elements

Introduced: September 1968

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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G02B 1/002 +2 CPC CPC only CPC only
G02B 1/02 made of crystals, e.g. rock-salt, semi-conductors (G02B1/08 takes precedence) IPC+CPC Available in IPC and CPC
G02B 1/04 made of organic materials, e.g. plastics (G02B1/08 takes precedence) +2 CPC IPC+CPC Available in IPC and CPC
G02B 1/06 made of fluids in transparent cells IPC+CPC Available in IPC and CPC
G02B 1/08 made of polarising materials IPC+CPC Available in IPC and CPC
G02B 1/10 Optical coatings produced by application to, or surface treatment of, optical elements (G02B1/08 takes precedence) IPC+CPC Available in IPC and CPC