Circuit substrate and producing method of the same

Details Circuit substrate and producing method of the same Circuit substrate and producing method of the same

1984-09-07

1990-04-10

Bell, Mark L.

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

428471, 501135, 501139, C04B 3546, C04B 3500

Patent

active

049162616

ABSTRACT:
A circuit substrate comprises a sintered oxide body of barium, tin and boron as an insulating body which is able to be fired at a temperature less than 1300.degree. C. The circuit substrate is further improved in moisture resistance by containing titanium or securing substantially the composition of BaSn(BO.sub.3).sub.2.

REFERENCES:
patent: 4106075 (1978-08-01), Baumann et al.
Diman, Ye. N. and Bekrasov, I. Ya., "Hydrothermal Synthesis of Nordenskioldine and its Analgues", Doklady Akad. Nauk SSSR, vol. 164, No. 4, pp. 129-133 (1965).
Aleonard, S. and Vicat, J., "Borates de Structure Dolomie", Bull. Soc. Franc. Miner. Crist., vol. 89, pp. 271-272 (1966).
Bayer, G., "Thermal Expansion Anisotropy of Dolomite-type Borates Me.sup.+2 Me.sup.+4 B.sub.2 O.sub.6 ", Zeitschrift fur Kristallographie, Bd. 133, S. 85-90 (1971).
Matsuo et al, "Electric Insulator Ceramic", Chemical Abstracts, vol. 91, No. 116272y, p. 581.

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