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2 017 708

(13)

C1

(51)

IPC

(21) (22)

Application

4922697/33, 1991-03-28

(22)

Actual filing date

1991-03-28

(45)

Published

1994-08-15

(72)

Inventor

Stepanov S.A.Urusovskaja I.B.Goncharuk V.K.Merkulov E.B.

(73)

Holder

Nauchno-Issledovatel'Skij I Tekhnologicheskij Institut Opticheskogo Materialovedenija Vsesojuznogo Nauchnogo Tsentra Opticheskij Institut Im.S.I.Vavilova"

GLASS Russian patent published in 1994 - IPC

Abstract RU 2017708 C1

FIELD: fibril optics. SUBSTANCE: glass has, wt.-%: phosphorus pentoxide (P2O5) 47.66-48.71; sodium oxide (Na2O) 6.4-10.41; aluminium fluoride (AlF3) 28.2-28.82; lithium fluoride (LiF) 8.71-8.90; lithium oxide (Li2O) 5.02-7.17. Softening point is 270-305 C, TCLE value is (165-188) x 10-7 1/degree. EFFECT: enhanced quality of glass. 1 tbl

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RU 2 017 708 C1

Authors

Stepanov S.A.

Urusovskaja I.B.

Goncharuk V.K.

Merkulov E.B.

Dates

1994-08-15—Published

1991-03-28—Filed

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