H01J2203/0212 - CPC Classification Index

ClassID:

205830 ⎘

H01J2203/0212 - CPC Classification

Classification description:

Electron or ion optical arrangements common to discharge tubes or lamps; Electron guns using cold cathodes, e.g. field emission cathodes; Control electrodes Gate electrodes

Sub-classes:

H01J2203/0216 » characterised by the form or structure 6
H01J2203/0232 » characterised by the material 10
H01J2203/0236 » Relative position to the emitters, cathodes or substrates 8

Recent Application in this class:

20140270087

2014-09-18

X-ray generator including heat sink block

20140097741

2014-04-10

Field emission electron source and field emission device

20110057555

2011-03-10

Matrix-type cold-cathode electron source device

20100019647

2010-01-28

Field emission cathode device and field emission display using the same