Multilayer ceramic substrate and method for manufacture thereof

Details Multilayer ceramic substrate and method for manufacture thereof Multilayer ceramic substrate and method for manufacture thereof

2007-06-12

2007-06-12

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

C501S032000, C428S209000, C428S210000, C065S033700

Reexamination Certificate

active

11085564

ABSTRACT:
A multilayer ceramic substrate which is obtained by firing multilayers of ceramic green sheets each having a dielectric layer, made of a glass-ceramic material comprising a mixture of alumina and a glass containing at least Si and Ca, and an electrode layer made of Ag and formed on the dielectric layer. The dielectric layer after firing includes anorthite (CaAl2Si2O8) crystals having a grain size of up to 84 nm.

REFERENCES:
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patent: 6133175 (2000-10-01), Bethke et al.
patent: 2005/0214516 (2005-09-01), Yoshikawa et al.
patent: 6-171981 (1994-06-01), None
patent: 6-171982 (1994-06-01), None
patent: 2501740 (1996-03-01), None
patent: 11-049531 (1999-02-01), None
patent: 2000/43332 (2000-05-01), None

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