DIFF Subgroup
H01S 3/095 using chemical or thermal pumping
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range > Processes or apparatus for excitation, e.g. pumping > using chemical or thermal pumping
CPC:
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range (semiconductors lasers H01S5/00) > Processes or apparatus for excitation, e.g. pumping > using chemical or thermal pumping
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
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- H01S 3/0951 by increasing the pressure in the laser gas medium since 1990 IPC+CPC Available in IPC and CPC