IPC Definitions - January 01, 2012

G11B 7/125 - Definition fr

Informative references

Attention is drawn to the following places, which may be of interest for search:

Light-emitting diodes

H01L 33/00

Semiconductor lasers

H01S 5/00

Electro-, magneto-, or acousto-optical modulators

G02F 1/00

Optical diaphragms

G03B 9/02