IPC Subgroup
H01S 1/04 liquid
Introduced: September 1968
Last revised: January 2006
Full Title
Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range > liquid
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL