GLASS-CERAMIC AS DIELECTRIC IN THE HIGH-FREQUENCY RANGE

Title:

GLASS-CERAMIC AS DIELECTRIC IN THE HIGH-FREQUENCY RANGE

Document Type and Number:

WIPO Patent Application WO/2013/076116

Kind Code:

A3

Abstract:

A glass-ceramic having at least the following constituents (in mol% on an oxide basis): SiO2 1 - 30, Al2O3 0 - 20, B2O3 0 - 25, TiO2 10 - 70, RE2O3 0 - 35, BaO 5 - 35, SiO2+Al2O3+B2O3 < 25, where RE is lanthanum, another lanthanide or yttrium and Ti can be partially, preferably in a proportion of up to 10%, replaced by Zr, Hf, Y, Nb, V, Ta, is provided. A main phase in the glass-ceramic is BaTi4O9 or Ba4Al2Ti10O27.

Inventors:

HOVHANNISYAN MARTUN (DE)
LETZ MARTIN (DE)
KISSL GORDON (DE)

Application Number:

PCT/EP2012/073177

Publication Date:

July 10, 2014

Filing Date:

November 21, 2012

Export Citation:

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Assignee:

SCHOTT AG (DE)
HOVHANNISYAN MARTUN (DE)
LETZ MARTIN (DE)
KISSL GORDON (DE)

International Classes:

C03C10/00; C03C4/16; H01B3/08

Foreign References:

DE102008011206A1	2009-09-10
US4870539A	1989-09-26
GB795731A	1958-05-28
JP2011195440A	2011-10-06
JP2006124201A	2006-05-18

Attorney, Agent or Firm:

WITTE, WELLER & PARTNER (Stuttgart, DE)

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