Particle spectrometers or separator tubes

Introduced: January 1980

CPC subdivides this area 3x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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H01J 49/0004 CPC only CPC only
H01J 49/0009 CPC only CPC only
H01J 49/0013 +1 CPC CPC only CPC only
H01J 49/0022 CPC only CPC only
H01J 49/0027 +2 CPC CPC only CPC only
H01J 49/004 +4 CPC CPC only CPC only
H01J 49/0095 CPC only CPC only
H01J 49/02 Details since 1980 +2 CPC IPC+CPC Available in IPC and CPC
H01J 49/26 Mass spectrometers or separator tubes since 1980 IPC+CPC Available in IPC and CPC
H01J 49/44 Energy spectrometers, e.g. alpha-, beta-spectrometers since 1980 +1 CPC IPC+CPC Available in IPC and CPC