DIFF Subgroup
G21K 1/20 for confining charged particles or handling confined charged particles, e.g. ion traps
Introduced: January 2026
Full Title
Arrangements for handling particles or ionising radiation, e.g. focusing or moderating > for confining charged particles or handling confined charged particles, e.g. ion traps
No child classifications to compare. This is a leaf node in both IPC and CPC.