FUSING GLASS FOR MANGANESE-ZINC FERRITE

This glass finds application as an agent for soldering magnetic ducts made of manganese-zinc ferrite for use in the manufacture of magnetic disc heads. Its linear thermal expansion factor α = (20-300 degrees C) - (115-118).10 C and its softening temperature is 650 +/- 10 degrees C. The glass conta...

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Bibliographische Detailangaben
Hauptverfasser:	MILEV, LENKO A, GEORGIEV, DIMITAR P, BOGDANOV, BOGDAN I, STANCHEVA, ELENA S, JORDANOV, GEORGI M, STANCHEV, VLADIMIR
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	This glass finds application as an agent for soldering magnetic ducts made of manganese-zinc ferrite for use in the manufacture of magnetic disc heads. Its linear thermal expansion factor α = (20-300 degrees C) - (115-118).10 C and its softening temperature is 650 +/- 10 degrees C. The glass contains, in percent: 65-67 silica, 3-5 calcium oxide, 25-27 sodium oxide, 3-5 aluminium oxide and 0.5-2.5 calcium fluoride.