H01J7/02 - CPC Classification Index

ClassID:

204578 ⎘

H01J7/02 - CPC Classification

Classification description:

Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps Selection of substances for gas fillings; Specified operating pressure or temperature

Sub-classes:

H01J7/04 » having one or more carbon compounds as the principal constituent 0
H01J7/06 » having helium, argon, neon, krypton, or xenon as the principal constituent 0
H01J7/08 » having a metallic vapour as the principal constituent 0

Recent Application in this class:

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Optical device improvement

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2021-12-23

Lattice energy conversion device

20140138590

2014-05-22

Phosphor for dispersion-type EL, dispersion-type EL device, and method of manufacturing the same

20070210715

2007-09-13

Vacuum tube and vacuum tube manufacturing apparatus and method

18206910

2024-05-28

System and method for introducing aluminum to an ion source