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2 343 579

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IPC

H01F1/34(2006-01-01)

B22F3/12(2006-01-01)

(21) (22)

Application

2007115605/02, 2007-04-26

(24)

Start date

2007-04-26

(22)

Actual filing date

2007-04-26

(45)

Published

2009-01-10

(72)

Inventor

Letjuk Leonid MikhajlovichAndreev Valerij GeorgievichMen'Shova Svetlana BorisovnaMajorov Vjacheslav Gennad'EvichPodgornaja Svetlana VladimirovnaStrygin Aleksandr Aleksandrovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Institut Stali I Splavov" Universitet)

METHOD OF MANUFACTURING OF HIGH-PERMEABILITY MANGANESE-ZINC FERRITES Russian patent published in 2009 - IPC H01F1/34 B22F3/12

Abstract RU 2343579 C1

FIELD: metallurgy.

SUBSTANCE: invention concerns powder metallurgy. Particularly it concerns receiving of high-permeability manganese - zinc ferrites. It can be used in electronics, radio engineering, instrument making, medicine and other fields. It is prepared mixture of ferrite formers, containing manganous oxide, zinc oxide and carbonyl iron. Mixture is tempered at 650-750°C, ferrite powder is synthesised, banks are formed and it is implemented high-temperature sintering in regulated gaseous medium.

EFFECT: receiving of ferrites which allow high magnetic conductivity.

1 tbl, 2 ex

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RU 2 343 579 C1

Authors

Letjuk Leonid Mikhajlovich

Andreev Valerij Georgievich

Men'Shova Svetlana Borisovna

Majorov Vjacheslav Gennad'Evich

Podgornaja Svetlana Vladimirovna

Strygin Aleksandr Aleksandrovich

Dates

2009-01-10—Published

2007-04-26—Filed