High Q monolithic capacitor with glass-magnesium titanate body

Details High Q monolithic capacitor with glass-magnesium titanate body High Q monolithic capacitor with glass-magnesium titanate body

1980-02-25

1981-12-29

Goldberg, Elliot A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

106 398, 106 733, 501 10, 501136, H01G 412

Patent

active

043085709

ABSTRACT:
Monolithic capacitors having Q's of 3500 include copper electrodes buried in a non-reducible body that consists of a crystalline magnesium titanate phase and an intergranular glass phase. The crystalline phase contains magnesium meta-titanate and/or ortho-titanate. Magnesium di-titanate is excluded from the body as are the oxides of lead, bismuth and cadmium, which materials are reducible at the firing conditions necessary to preserve the integrity of the copper electrodes.

REFERENCES:
patent: 2305327 (1942-12-01), Thurnauer
patent: 2436840 (1948-03-01), Wainer
patent: 2689185 (1954-09-01), Soyck
patent: 2741561 (1956-04-01), Das Gupta
patent: 2883290 (1959-04-01), Planer et al.
patent: 4071881 (1978-01-01), Bacher
patent: 4101952 (1978-07-01), Burn
Kudrenko et al., "Effect of Preparation Procedure on the Properties of Magnesium Titanates", Izvestiya Akad. Nauk, Neorganicheskie Materialy, vol. 12, No. 4, pp. 679-683, Apr. 1976.

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