PROCESS OF MANUFACTURE OF OXIDE CATHODE Russian patent published in 1996 - IPC

Abstract RU 2060570 C1

FIELD: electronics. SUBSTANCE: invention refers to manufacture of oxide cathodes for electron guns. In process of manufacture of oxide cathodes suspension containing triple carbonate of alkali-earth metals is injected with scandium nitrate (less than 5 per cent by mass) or indium nitrate (less than 2.5 per cent by mass) in the form of solution which is added drop by drop. EFFECT: improved quality of oxide cathodes.

Similar patents RU2060570C1

Title Year Author Number
DISPENSING CATHODE 1991
  • Jong-Seo Choj[Kr]
RU2034351C1
DISTRIBUTING CATHODE OF ELECTRON GUN 1991
  • Dong-Dzhil Dzhang[Kr]
RU2060569C1
COLOR CATHODE-RAY TUBE WITHOUT INTERNAL SCREEN 1990
  • Jong-Du Sin[Kr]
  • Sak-Dzhaj Li[Kr]
  • Kheong-Seob Lim[Kr]
RU2039393C1
ANTISTATIC COMPOSITION FOR COATING APPLYING, METHOD OF PREPARING ANTISTATIC COMPOSITION AND A METHOD OF PREPARING ANTISTATIC FLASHLESS DISPLAY SCREEN 1991
  • Chang-Min Son[Kr]
  • Kheon-Su Kim[Kr]
RU2049802C1
DISPENSING CATHODE 1991
  • Dzhong-In Dzheong[Kr]
  • Dzhong-Seo Choj[Kr]
  • Khvan-Cheol No[Kr]
  • Kiu-Nam Dzhu[Kr]
RU2032958C1
ELECTRON GUN SOLDERING DEVICE 1991
  • Dae-Ok Toj[Kr]
RU2106036C1
ANTISTATIC TRANSPARENT COMPOSITION FOR COATING OF SCREENS, PROCESS FOR PREPARATION THEREOF AND PROCESS FOR PREPARATION OF VIDEODISPLAYS USING SAID COMPOSITION 1990
  • Changmin Son[Kr]
  • Sumin Dzhong[Kr]
  • Khansu Kim[Kr]
RU2072379C1
FRAME FOR HEATER OF ELECTRON GUN 1990
  • Taj-Sik Okh[Kr]
RU2068592C1
RIMBAND FOR CATHODE-RAY TUBE 1990
  • Kheong-Sab Lim[Kr]
  • Jung-Min Khvang[Kr]
RU2089967C1
DEFLECTION SYSTEM 1991
  • Kangriong Dzhej[Kr]
RU2025819C1

RU 2 060 570 C1

Authors

An-Sub Li[Kr]

Kijung-Cheon Son[Kr]

Dates

1996-05-20Published

1990-12-07Filed