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2 036 486

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C1

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IPC

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Application

4803710/10, 1990-03-19

(22)

Actual filing date

1990-03-19

(45)

Published

1995-05-27

(72)

Inventor

Akimov A.G.Gagarin A.P.Dorofeev V.G.Mel'Nikova N.A.Pudkov S.D.

(73)

Holder

Akimov Aleksej GeorgievichGagarin Andrej PetrovichDorofeev Vladimir GeorgievichMel'Nikova Nina AleksandrovnaPudkov Sergej Dmitrievich

METHOD OF MAKING METAL MIRROR FOR IR RANGE Russian patent published in 1995 - IPC

Abstract RU 2036486 C1

FIELD: making of mirrors. SUBSTANCE: aluminium bronze is used blank for mirror; bronze has 4-7 mass percents of aluminium. Surface is subjected to oxidization during 120-140 minutes at 520-620 K at residual oxygen pressure equal to 10-5-5·10-6 mbars or in inert atmosphere at partial pressure of water vapors of 10-3-10-4mbars. EFFECT: improved quality.

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RU 2 036 486 C1

Authors

Akimov A.G.

Gagarin A.P.

Dorofeev V.G.

Mel'Nikova N.A.

Pudkov S.D.

Dates

1995-05-27—Published

1990-03-19—Filed

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