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2 166 569

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IPC

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Application

99117988/02, 1999-08-19

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Start date

1999-08-19

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Actual filing date

1999-08-19

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Published

2001-05-10

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Inventor

Kryshchenko K.I.Dzegilenok V.N.Nejland A.B.Kryshchenko I.K.

(73)

Holder

Kryshchenko Konstantin IvanovichDzegilenok Vadim NikolaevichNejland Anatolij BorisovichKryshchenko Ivan Konstantinovich

METHOD OF ELECTROPLATING Russian patent published in 2001 - IPC

Abstract RU 2166569 C1

FIELD: electrolytic treatment of metals, particularly, in electroplating of machine parts surfaces with thin layers of noble metals. SUBSTANCE: for application of preliminary coating, use is made of chemical gold-plating from solution of complex cyanide-containing compound of gold due to intramolecular oxidation - reduction up to obtaining of poroless gold coating 0.05-0.08 mcm thick under conditions of process of autoinhibition by gold layer. Articles with defective gold coatings are additionally subjected to chemical gold plating. EFFECT: higher quality of preliminary coating with its small thickness under safe operating conditions. 1 cl, 2 ex

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RU 2 166 569 C1

Authors

Kryshchenko K.I.

Dzegilenok V.N.

Nejland A.B.

Kryshchenko I.K.

Dates

2001-05-10—Published

1999-08-19—Filed

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