H01J40/00 - CPC Classification Index

ClassID:

205423 ⎘

H01J40/00 - CPC Classification

Classification description:

Photoelectric discharge tubes not involving the ionisation of a gas

Sub-classes:

H01J40/02 » Details 17
H01J40/16 » having photo- emissive cathode, e.g. alkaline photoelectric cell 40

Recent Application in this class:

20170018414

Microwave cavity resonator detector

20110278435

IMAGE SENSOR APPARATUS