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1. WO2020204290 - X-RAY EMITTING DEVICE COMPRISING A FOCUSING ELECTRODE COMPOSED OF A CERAMIC-BASED MATERIAL

Publication Number WO/2020/204290
Publication Date 08.10.2020
International Application No. PCT/KR2019/014070
International Filing Date 24.10.2019
IPC
H01J 35/14 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
35X-ray tubes
02Details
14Arrangements for concentrating, focusing, or directing the cathode ray
H01J 35/06 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
35X-ray tubes
02Details
04Electrodes
06Cathodes
CPC
H01J 2201/30469
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
2201Electrodes common to discharge tubes
30Cold cathodes
304Field emission cathodes
30446characterised by the emitter material
30453Carbon types
30469Carbon nanotubes (CNTs)
H01J 2235/062
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
2235X-ray tubes
06Cathode assembly
062Cold cathodes
H01J 2235/16
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
2235X-ray tubes
16Vessels
H01J 35/064
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
35X-ray tubes
02Details
04Electrodes ; ; Mutual position thereof; Constructional adaptations therefor
06Cathodes
064Details of the emitter, e.g. material or structure
H01J 35/065
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
35X-ray tubes
02Details
04Electrodes ; ; Mutual position thereof; Constructional adaptations therefor
06Cathodes
065Field emission, photo emission or secondary emission cathodes
H01J 35/066
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
35X-ray tubes
02Details
04Electrodes ; ; Mutual position thereof; Constructional adaptations therefor
06Cathodes
066Details of electron optical components, e.g. cathode cups
Applicants
  • AWEXOMERAY [KR]/[KR]
Inventors
  • CHOI, Hong Soo
  • GIHM, Se Hoon
  • JEONG, Keun Soo
Agents
  • LEE & KO IP
Priority Data
10-2019-003977304.04.2019KR
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) X-RAY EMITTING DEVICE COMPRISING A FOCUSING ELECTRODE COMPOSED OF A CERAMIC-BASED MATERIAL
(FR) DISPOSITIF D'ÉMISSION DE RAYONS X COMPRENANT UNE ÉLECTRODE DE FOCALISATION COMPOSÉE D'UN MATÉRIAU À BASE DE CÉRAMIQUE
Abstract
(EN)
The present invention provides an X-Ray emitting device that comprises a focusing electrode composed of a ceramic-based material, which can be manufactured by a simple process and is excellent in durability.
(FR)
La présente invention concerne un dispositif d'émission de rayons X comprenant une électrode de focalisation composée d'un matériau à base de céramique, qui peut être fabriqué par un procédé simple et qui présente une excellente durabilité.
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