Dielectric paste and thick-film capacitor using same

Details Dielectric paste and thick-film capacitor using same Dielectric paste and thick-film capacitor using same

1996-04-24

1998-09-29

Ryan, Patrick

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 17, C03C 816, C03C 814

Patent

active

058145710

ABSTRACT:
A dielectric paste used for fabrication of a capacitor which permits manufacture of a small-sized ceramic oscillator by being incorporated in the oscillator. The dielectric paste comprises powdered glass, dielectric powder, and an organic vehicle. The dielectric powder is a lead-based perovskite compound. The powdered glass includes a main component given by xSiO.sub.2 --yB.sub.2 O.sub.3 --zPbO (where x, y, and z are expressed in mole percent). The x, y, and z lie within a region defined by connecting points A (x=70, y=0, and z=30), B (x=70, y=15, and z=15), C (x=10, y=75, and z=15), and D (x=10, y=0, and z=90). Preferably, at least one member selected from the group consisting of Al.sub.2 O.sub.3, CaO, TiO.sub.2, ZrO.sub.2, BaO and MgO is used as an additive. Preferably, glass frit accounts for about 35-95% by weight of the mixture of the powdered glass and the dielectric powder, and the dielectric powder accounts for about 5-65% by weight.

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