H01J2893/0031 - CPC Classification Index

ClassID:

206838 ⎘

H01J2893/0031 - CPC Classification

Classification description:

Discharge tubes and lamps Tubes with material luminescing under electron bombardment

Recent Application in this class:

20240363326

CATHODE-RAY TUBE ULTRAVIOLET LIGHT SOURCE

20170345640

Field emission light source

20170125683

Ultraviolet light emitting device

20100141115

Light Emission Device and Display Device Using Same as Light Source

20090128002

Two-way reciprocal amplification electron/photon source