Patents-Review.com
ClassID:

205426 ⎘

H01J40/06 - CPC Classification

Classification description:

Photoelectric discharge tubes not involving the ionisation of a gas; Details; Electrodes Photo-emissive cathodes

Recent Application in this class:
#1
20250253141
2025-08-07

PHOTOELECTRON SOURCE, MULTI-PHOTOELECTRON SOURCE AND MULTI-BEAM IRRADIATION APPARATUS

 #2
20240363320
2024-10-31

FIELD-EMISSION PHOTOCATHODES FOR HIGH-POWER HIGH-FREQUENCY ELECTRONICS

 #3
20240363302
2024-10-31

PHOTOELECTRIC CONVERSION DEVICE, ELECTROMAGNETIC WAVE DETECTION DEVICE, PHOTOELECTRIC CONVERSION METHOD AND ELECTROMAGNETIC WAVE DETECTION METHOD

 #4
20240355601
2024-10-24

PHOTOELECTRIC CONVERSION DEVICE, ELECTROMAGNETIC WAVE DETECTION DEVICE, PHOTOELECTRIC CONVERSION METHOD AND ELECTROMAGNETIC WAVE DETECTION METHOD

 #5
20240355572
2024-10-24

PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION METHOD

 #6
20230369035
2023-11-16

Phototube

 #7
20230352285
2023-11-02

Photoelectric tube

 #8
20220310349
2022-09-29

Photo-cathode for a vacuum system

 #9
20220128401
2022-04-28

Ultraviolet flame detector

 #10
20210335587
2021-10-28

Global shutter for transmission mode secondary electron intensifier by a low voltage signal

 #11
20200381227
2020-12-03

Hybrid solar generator

 #12
20200234935
2020-07-23

Transmissive photocathode and electron tube

 #13
20200111637
2020-04-09

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

 #14
20190355561
2019-11-21

Low temperature, photonically augmented electron source system

 #15
20190189408
2019-06-20

Photocathode assembly of vacuum photoelectronic device with a semi-transparent photocathode based on nitride gallium compounds

 #16
20190108989
2019-04-11

Phototube and method of making it

 #17
20190108967
2019-04-11

Electron beam generation and measurement

 #18
20190108964
2019-04-11

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

 #19
20190108963
2019-04-11

Silicon electron emitter designs

 #20
20180350574
2018-12-06

Metamaterial photocathode for detection and imaging of infrared radiation

 #21
20180301324
2018-10-18

Optical modulation of on-chip thermionic emission using resonant cavity coupled electron emitters

 #22
20180182602
2018-06-28

Phototube and method of making it

 #23
20180151338
2018-05-31

Metamaterial photocathode for detection and imaging of infrared radiation

 #24
20180096829
2018-04-05

Multiband photocathode and associated detector

 #25
20170358432
2017-12-14

Hybrid solar generator

 #26
20170084416
2017-03-23

Nano-patterned superconducting surface for high quantum efficiency cathode

 #27
20170047207
2017-02-16

Electron source

 #28
20160300701
2016-10-13

Photomultiplier tube, image sensor, and an inspection system using a PMT or image sensor

 #29
20160233044
2016-08-11

Transmission mode photocathode

 #30
20150279606
2015-10-01

Semi-transparent photocathode with improved absorption rate

 #31
20150050770
2015-02-19

Process for producing layered member and layered member

 #32
20140291493
2014-10-02

Photomultiplier tube, image sensor, and an inspection system using a PMT or image sensor

 #33
20130134869
2013-05-30

Photo cathode for use in a vacuum tube as well as such as vacuum tube

 #34
20130126705
2013-05-23

Transmissive-reflective photocathode

 #35
20120103825
2012-05-03

Anti-reflective nanoporous silicon for efficient hydrogen production

 #36
20110089825
2011-04-21

Photocathode

 #37
20100253218
2010-10-07

Photocathode, electron tube, and photomultiplier tube

 #38
20100197069
2010-08-05

Process for producing layered member and layered member

 #39
20100148667
2010-06-17

Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tube

 #40
20100139771
2010-06-10

Photon enhanced thermionic emission

 #41
20100102720
2010-04-29

Electron tube

 #42
20090322222
2009-12-31

Robust activation method for negative electron affinity photocathodes

 #43
20090284150
2009-11-19

Photocathode apparatus using photoelectric effect of surface plasmon resonance photons

 #44
20090273281
2009-11-05

PHOTOCATHODE AND ELECTRON TUBE HAVING THE SAME

 #45
20090032797
2009-02-05

Photocathode

 #46
20080042563
2008-02-21

Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tube

 #47
20070296335
2007-12-27

Process for Producing Layered Member and Layered Member

 #48
20070176160
2007-08-02

Electron tube

 #49
20060214580
2006-09-28

Photoelectric ion source photocathode regeneration system

 #50
20060138395
2006-06-29

Semiconductor photoelectric surface and its manufacturing method, and photodetecting tube using semiconductor photoelectric surface

 #51
20050104517
2005-05-19

MBE grown alkali antimonide photocathodes

 #52
20050045866
2005-03-03

Photocathode having A1GaN layer with specified Mg content concentration

 #53
18796351
2025-06-17

And manufacturing methods of SWIR I2TUBE via heterogeneous wafer integration