Electron or ion microscopes; Electron- or ion-diffraction tubes

Introduced: September 1968

Last revised: January 2006

Full Title

Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof > Electron or ion microscopes; Electron- or ion-diffraction tubes

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

Related Keywords

ELECTRON microscopy

5 direct subcodes

Child Classifications

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H01J 37/27 Shadow microscopy
H01J 37/28 with scanning beams
H01J 37/285 Emission microscopes, e.g. field-emission microscopes
H01J 37/29 Reflection microscopes
H01J 37/295 Electron- or ion-diffraction tubes