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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H01S 5/183

having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]

Introduced: January 2000

Full Title

Full titles differ between systems:

IPC:

Semiconductor lasers > Construction or shape of the optical resonator > Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities > having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]

CPC:

Semiconductor lasers (superluminescent diodes H10H20/00) > Construction or shape of the optical resonator > Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities > having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]

Of 11 combined children, 0 exist in both systems.

11 codes are CPC-only extensions.

Child Classifications

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