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2 522 448

(13)

(51)

IPC

G02B5/08(2006-01-01)

(21) (22)

Application

2013111354/04, 2013-03-13

(24)

Start date

2013-03-13

(22)

Actual filing date

2013-03-13

(45)

Published

2014-07-10

(72)

Inventor

Shchavelev Kirill OlegovichJakobson Natal'Ja Aleksandrovna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo I Tekhnologicheskij Institut Opticheskogo Materialovedenija Vserossijskogo Nauchnogo Tsentra Opticheskij Institut Im. S.I. Vavilova" Vnts Im. S.I. Vavilova")

COATING FOR SPACE MIRROR WORKPIECE Russian patent published in 2014 - IPC G02B5/08

Abstract RU 2522448 C1

FIELD: chemistry.

SUBSTANCE: disclosed is a coating for a space mirror workpiece, which is glass of the following composition, wt %: SiO₂ - 44-61; B₂O₃ - 8-20; Al₂O₃ - 5-19; CaO - 3-12; Sb₂O₃ - 0,3-0,7; V₂O₅ - 2-11; Nb₂O₅ - 1-7; MoO₃ - 0.2-4 and F - 1.5-6.

EFFECT: composition of the material enables to obtain a high-quality optical surface directly on substrates made of silicon carbide materials.

2 tbl

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RU 2 522 448 C1

Authors

Shchavelev Kirill Olegovich

Jakobson Natal'Ja Aleksandrovna

Dates

2014-07-10—Published

2013-03-13—Filed