H01J9/505 - CPC Classification Index

ClassID:

204677 ⎘

H01J9/505 - CPC Classification

Classification description:

Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps; Repairing or regenerating used or defective discharge tubes or lamps Regeneration of cathodes

Recent Application in this class:

20210050173

2021-02-18

Electron source regeneration method

20110201244

2011-08-18

Method for resurrecting negative electron affinity photocathodes after exposure to an oxidizing gas

20080048543

2008-02-28

Regeneration of field emission from carbon nanotubes