IPC Main Group
H01J 37/00 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
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Related Keywords
SCANNING-PROBE TECHNIQUES for discharge tubes with provision for introducing objects
5 direct subcodes
Child Classifications
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- H01J 37/02 Details
- H01J 37/252 Tubes for spot-analysing by electron or ion beams; Microanalysers
- H01J 37/26 Electron or ion microscopes; Electron- or ion-diffraction tubes
- H01J 37/3 Electron-beam or ion-beam tubes for localised treatment of objects
- H01J 37/32 Gas-filled discharge tubes