Multilayer glass ceramic substrate and process for producing the

Details Multilayer glass ceramic substrate and process for producing the Multilayer glass ceramic substrate and process for producing the

1997-12-24

1999-11-23

Speer, Timothy

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Of electrical article or electrical component

264619, B32B 1702

Patent

active

059894849

ABSTRACT:
A multilayer glass ceramic substrate having a plurality of conductor layers each laminated through a glass ceramic layer. The glass ceramic layer has a composition comprising of alumina, borosilicate magnesium glass and cordierite crystal produced by chemical reaction between alumina and borosilicate magnesium glass. The content of alumina is 12 to 59.6 wt %, the content of borosilicate magnesium glass is 18 to 69.6 wt %, the content of the cordierite crystal is 1 to 50 wt % and the sum of components is 100 wt %. The multilayer glass ceramic substrate shows improved mechanical strength.

REFERENCES:
patent: 4861646 (1989-08-01), Barringer
patent: 5753376 (1998-05-01), Ikuina

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