| 摘要 |
Disclosed are a low-temperature sinterable ceramic composition comprising 100 parts by weight of an essential component composed of from about 60 to 85% by weight of cordierite and from about 15 to 40% by weight of glass, and not larger than about 25 parts by weight of TiO2, and a monolithic ceramic substrate comprising the composition. The composition can be sintered at relatively low temperatures, and the sintered substrate has a small thermal expansion coefficient and a small dielectric constant. The temperature-dependent variation in the electrostatic capacity of the substrate is small. Preferably, the glass component in the composition is composed of about 20 to 60% by weight of SiO2, about 30 to 50% by weight of B2O3, about 5 to 30% by weight of MgO, 0 to about 15% by weight of Al2O3, and about 1 to 5% by weight of R2O in which R is an alkali metal.
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