H01J41/18 - CPC Classification Index

ClassID:

205443 ⎘

H01J41/18 - CPC Classification

Classification description:

Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas ; Discharge tubes for evacuation by diffusion of ions; Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes

Sub-classes:

H01J41/20 » using gettering substances 19

Recent Application in this class:

20240276626

PLASMA SOURCE, AND ATOMIC CLOCK EMPLOYING PLASMA SOURCE

20220268529

Thermal control system

20210082786

Electrohydrodynamic control device

20180233338

Forming ion pump having silicon manifold

20170133210

Laminated ultra-high vacuum forming device

20160233063

System and method for enhanced ion pump lifespan

20150311048

MICRO HYBRID DIFFERENTIAL/TRIODE ION PUMP

20150240797

THIN FILM EDGE FIELD EMITTER BASED MICRO ION PUMP

20070280834

Sputter ion pump having an improved magnet assembly

20070205359

Electronic gas pump

20060078433

Sputter ion pump and manufacturing method therefor and image display device with sputter ion pump

14466711

Ion pump with direct molecule flow channel through anode