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1 757 369

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A1

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IPC

(21) (22)

Application

4843134/07, 1990-06-28

(22)

Actual filing date

1990-06-28

(45)

Published

1995-04-20

(72)

Inventor

Volkov N.A.Pravoverov N.L.Tvorogova T.M.Barkovskij A.I.Piskun I.A.

PROCESS OF MANUFACTURE OF ELECTRIC CONTACT FROM COMPOSITION SILVER-METAL OXIDE Russian patent published in 1995 - IPC

Abstract SU 1757369 A1

FIELD: electrical engineering. SUBSTANCE: solder containing phosphorus is given forced fit with flux on working part of contact in process of calibration, then contact is annealed at temperature 500-600 C in inert atmosphere. EFFECT: enhanced resistance of contact to electric and mechanical wear-out. 1 tbl

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SU 1 757 369 A1

Authors

Volkov N.A.

Pravoverov N.L.

Tvorogova T.M.

Barkovskij A.I.

Piskun I.A.

Dates

1995-04-20—Published

1990-06-28—Filed

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