by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials

Introduced: September 1968

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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials

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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials

Of 11 combined children, 9 exist in both systems.

2 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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G01N 23/20008 Constructional details of analysers, e.g. characterised by X-ray source, detector or optical system; Accessories therefor; Preparing specimens therefor (monochromators for X- rays using crystals G21K1/06) since 2018 IPC+CPC Available in IPC and CPC
G01N 23/20058 Measuring diffraction of electrons, e.g. low energy electron diffraction [LEED] method or reflection high energy electron diffraction [RHEED] method since 2018 IPC+CPC Available in IPC and CPC
G01N 23/20066 Measuring inelastic scatter of gamma rays, e.g. Compton effect since 2018 IPC+CPC Available in IPC and CPC
G01N 23/20075 CPC only CPC only
G01N 23/20083 CPC only CPC only
G01N 23/20091 Measuring the energy-dispersion spectrum [EDS] of diffracted radiation since 2018 IPC+CPC Available in IPC and CPC
G01N 23/201 by measuring small-angle scattering since 1974 IPC+CPC Available in IPC and CPC
G01N 23/203 Measuring back scattering since 1974 IPC+CPC Available in IPC and CPC
G01N 23/205 using diffraction cameras since 1974 IPC+CPC Available in IPC and CPC
G01N 23/2055 Analysing diffraction patterns since 2018 IPC+CPC Available in IPC and CPC
G01N 23/207 Diffractometry using detectors, e.g. using a probe in a central position and one or more displaceable detectors in circumferential positions since 1974 +2 CPC IPC+CPC Available in IPC and CPC