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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G02F 1/055

the active material being a ceramic (G02F1/035 takes precedence)

Introduced: January 1985

Title

Titles differ between systems:

IPC: the active material being a ceramic

CPC: the active material being a ceramic (G02F1/035 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics > for the control of the intensity, phase, polarisation or colour > based on ceramics or electro-optical crystals, e.g. exhibiting Pockels or Kerr effect > the active material being a ceramic

CPC:

Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics > for the control of the intensity, phase, polarisation or colour (G02F1/29, G02F1/35 take precedence) > based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect (G02F1/061 takes precedence) > the active material being a ceramic (G02F1/035 takes precedence)

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Child Classifications

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