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2 040 000

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C1

(51)

IPC

(21) (22)

Application

5026481/10, 1992-02-07

(22)

Actual filing date

1992-02-07

(45)

Published

1995-07-20

(72)

Inventor

Buravlev A.P.Levin L.A.Levin S.L.Mumin O.L.

(73)

Holder

Levin Lev Aleksandrovich

DEVICE FOR CHECKING DC CURRENT STABILITY Russian patent published in 1995 - IPC

Abstract RU 2040000 C1

FIELD: measurement technology. SUBSTANCE: reference current source is replaced by superconducting short-circuited loop provided with thermal superconductance switch; this enables introduction of current into loop 1 to 10 per cent higher than current under measurement; device also has magnetic flux regulator. Device is essentially thermal superconductance switch provided with section of heated superconducting wire and super-low resistance unit connected in parallel with this section. EFFECT: improved accuracy in checking current stability. 1 dwg

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RU 2 040 000 C1

Authors

Buravlev A.P.

Levin L.A.

Levin S.L.

Mumin O.L.

Dates

1995-07-20—Published

1992-02-07—Filed

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