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2 012 085

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C1

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IPC

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Application

4909720/21, 1991-02-07

(22)

Actual filing date

1991-02-07

(45)

Published

1994-04-30

(72)

Inventor

Kostomarov S.V.Rotenberg B.A.Pakhomova N.I.Egorov L.I.

(73)

Holder

Vitebskoe Proizvodstvennoe Ob"Edinenie

MANUFACTURING TECHNIQUE FOR SEGMENTOCERAMIC MATERIALS OF CAPACITORS Russian patent published in 1994 - IPC

Abstract RU 2012085 C1

FIELD: segmentoceramics technology. SUBSTANCE: material has following composition, mass percent: BaTiO3 79÷92,25; SrTiO3 4,5÷12,0; BaSuO3 1,0÷4,5; BaF2 1,75÷3,5; LiF 0,25÷0,5; Li2 0,25÷0,5. During its manufacture source cakes are pre-mixed this procedure being followed by sintering of mixture and its crushing in SrTiO3 medium; then fluoride-activated SrTiO3 is mixed with remaining cakes and additives. EFFECT: reduced volatility of Li and F during sintering, improved structure and porosity of ceramic material which improves dielectric and electric properties of material and parts. 1 tbl

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RU 2 012 085 C1

Authors

Kostomarov S.V.

Rotenberg B.A.

Pakhomova N.I.

Egorov L.I.

Dates

1994-04-30—Published

1991-02-07—Filed

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