Method of preparing contacts and electrodes of electric vacuum apparatuses

Method of preparing contacts and electrodes of electric vacuum apparatuses

PCT No. PCT/SU80/00187 Sec. 371 Date Jul. 16, 1982 Sec. 102(e) Date Jul. 16, 1982 PCT Filed Nov. 28, 1980 PCT Pub. No. WO82/01960 PCT Pub. Date Jun. 10, 1982.A method of preparing contacts and electrodes of electric vacuum apparatuses comprising the steps of exposing the contact (electrode) surface...

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Hauptverfasser: VOSKRESENSKY, STAL N, CHERVONENKIS, RAUZA A, VOLKOVA, TATYANA P, BELKIN, GERMAN S, ZUEV, VYACHESLAV S, GORYAEV, GERMAN A, KISELEV, VIKTOR Y, RODIONOV, VALERY V, LUKATSKAYA, IDA A, SKURIKHIN, MIKHAIL N, FROLOVA, IRINA B, RABINOVICH, EFIM M, KORNEVV, LEV I
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CASTING
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
RELAYS
SELECTORS
TRANSPORTING
WORKING METALLIC POWDER
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Zusammenfassung:PCT No. PCT/SU80/00187 Sec. 371 Date Jul. 16, 1982 Sec. 102(e) Date Jul. 16, 1982 PCT Filed Nov. 28, 1980 PCT Pub. No. WO82/01960 PCT Pub. Date Jun. 10, 1982.A method of preparing contacts and electrodes of electric vacuum apparatuses comprising the steps of exposing the contact (electrode) surface to a concentrated thermal flux of 104 to 106 W/cm2 in a vacuum or in the environment of an inert gas for 21 to 100 ms and subjecting said surface to subsequent cooling at a cooling rate ranging from 104 to 106 K/s.