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2 324 578

(13)

(51)

IPC

B23K1/20(2006-01-01)

B23K103/10(2006-01-01)

C23C22/34(2006-01-01)

C23G1/02(2006-01-01)

C23G1/14(2006-01-01)

(21) (22)

Application

2006116096/02, 2006-05-10

(24)

Start date

2006-05-10

(22)

Actual filing date

2006-05-10

(45)

Published

2008-05-20

(72)

Inventor

Poltorybat'Ko Andrej ValentinovichShaklein Denis Anatol'EvichZadov Vladimir Efimovich

(73)

Holder

Poltorybat'Ko Andrej ValentinovichShaklein Denis Anatol'EvichZadov Vladimir Efimovich

METHOD OF CONDITIONING OF SURFACE OF ALUMINIUM AND ITS ALLOYS FOR SOLDERING Russian patent published in 2008 - IPC B23K1/20 B23K103/10 C23C22/34 C23G1/02 C23G1/14

Abstract RU 2324578 C2

FIELD: chemistry.

SUBSTANCE: method of conditioning of surface of aluminium and its alloys for soldering which includes treatment of the surface with degreasing and etching solutions followed by treatment in water solution of hydrofluoric acid mixed with fluoride of an alkaline metal with the following concentration of ingredients in solution, % w/w: hydrofluoric acid - 1-27, fluoride of an alkaline metal - 1-50, water - the rest of solution.

EFFECT: high quality of aluminium and its alloys soldering is ensured.

3 cl, 4 tbl

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RU 2 324 578 C2

Authors

Poltorybat'Ko Andrej Valentinovich

Shaklein Denis Anatol'Evich

Zadov Vladimir Efimovich

Dates

2008-05-20—Published

2006-05-10—Filed