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2 026 585

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IPC

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Application

5039503/21, 1992-04-20

(22)

Actual filing date

1992-04-20

(45)

Published

1995-01-09

(72)

Inventor

Gerasimovich M.V.Trofimjak A.N.Golubjak R.M.Matsjuk V.G.Galan V.R.

(73)

Holder

L'Vovskoe Proizvodstvennoe Ob"Edinenie

METHOD OF ELECTROVACUUM MACHINING OF CATHODE-RAY TUBE Russian patent published in 1995 - IPC

Abstract RU 2026585 C1

FIELD: electrical and radio engineering. SUBSTANCE: for electrovacuum machining cathode-ray tube is pumped down, degassed, its cathode is activated and sealed off. Then gas absorber is disintegrated, high-voltage burning-through is conducted and CRT is trained with overheating of cathode and defocusing of electron spot. At initial stage of training screen is illuminated by focused electron beam with value of by feeding nominal accelerating voltages. Illumination time of screen is found from relation given in description of invention. EFFECT: improved machining efficiency.

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RU 2 026 585 C1

Authors

Gerasimovich M.V.

Trofimjak A.N.

Golubjak R.M.

Matsjuk V.G.

Galan V.R.

Dates

1995-01-09—Published

1992-04-20—Filed

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