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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G01N 23/225

using electron or ion

Introduced: July 1974

Title

Titles differ between systems:

IPC: using electron or ion microprobes

CPC: using electron or ion

Full Title

Full titles differ between systems:

IPC:

Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or > by measuring secondary emission from the material > using electron or ion microprobes

CPC:

Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 > by measuring secondary emission from the material > using electron or ion

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2018.

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