CPC Main Group
G02B 1/00 Optical elements characterised by the material of which they are made; Optical coatings for optical elements
6 direct subcodes
Child Classifications
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- G02B 1/02 made of crystals, e.g. rock-salt, semi-conductors (G02B1/08 takes precedence)
- G02B 1/04 made of organic materials, e.g. plastics (G02B1/08 takes precedence)
- G02B 1/06 made of fluids in transparent cells
- G02B 1/08 made of polarising materials
- G02B 1/10 Optical coatings produced by application to, or surface treatment of, optical elements (G02B1/08 takes precedence)