ClassID:

205786

H01J2201/30411 - CPC Classification

Classification description:

Electrodes common to discharge tubes; Cold cathodes; Field emission cathodes characterised by the emitter shape; Microengineered point emitters conical shaped, e.g. Spindt type

Recent Application in this class:
#1
20260081089
2026-03-19

BACKEND FIELD EMISSION DEVICES

#2
20230005694
2023-01-05

PASSIVE AND ACTIVE DIAMOND-BASED ELECTRON EMITTERS AND IONIZERS

#3
20220037104
2022-02-03

Passive and active diamond-based electron emitters and ionizers

#4
20200111637
2020-04-09

Photocathode designs and methods of generating an electron beam using a photocathode

#5
20200027683
2020-01-23

Diamond semiconductor device

#6
20190362927
2019-11-28

Metal protective layer for electron emitters with a diffusion barrier

#7
20190108967
2019-04-11

Electron beam generation and measurement

#8
20190108964
2019-04-11

Photocathode designs and methods of generating an electron beam using a photocathode

#9
20190108963
2019-04-11

Silicon electron emitter designs

#10
20190049851
2019-02-14

Electron source

#11
20180005791
2018-01-04

High brightness boron-containing electron beam emitters for use in a vacuum environment

#12
20170365507
2017-12-21

Field emission devices and methods of making thereof

#13
20170076901
2017-03-16

Techniques for optimizing nanotips derived from frozen taylor cones

#14
20170047207
2017-02-16

Electron source

#15
20160329184
2016-11-10

Array of carbon nanotube micro-tip structures

#16
20160186333
2016-06-30

Method and device for producing nanotips

#17
20160181051
2016-06-23

Nanoparticle-templated lithographic patterning of nanoscale electronic components

#18
20150123010
2015-05-07

Bright and durable field emission source derived from refractory taylor cones

#19
20140292180
2014-10-02

Electron emission element and method for manufacturing the same

#20
20140028192
2014-01-30

Field emission devices and methods of making thereof

#21
20130234025
2013-09-12

Electron gun emitting under high voltage, in particular for electron microscopy

#22
20130224429
2013-08-29

Carbon nanotube based micro-tip structure and method for making the same

#23
20130134860
2013-05-30

Conductive nanostructure, method for molding same, and method for manufacturing a field emitter using same

#24
20120007490
2012-01-12

Ion source having secondary electron enhancing electrode

#25
20110104832
2011-05-05

Method for producing a field-emitter array with controlled apex sharpness

#26
20100084957
2010-04-08

Field emission electron source having carbon nanotube and manufacturing method thereof

#27
20100006447
2010-01-14

METHOD OF PREPARING AN ULTRA SHARP TIP, APPARATUS FOR PREPARING AN ULTRA SHARP TIP, AND USE OF AN APPARATUS

#28
20090160307
2009-06-25

DIAMOND ELECTRON SOURCE AND METHOD FOR MANUFACTURING THE SAME

#29
20090110951
2009-04-30

Atomically sharp iridium tip

#30
20060227830
2006-10-12

High pressure field emitter, photoionization, plasma initiation and field devices