Silicon nitride having low dielectric loss

Details Silicon nitride having low dielectric loss Silicon nitride having low dielectric loss

1985-06-27

1987-02-10

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Refractory

343872, 501 98, 501152, C04B 3558, H01Q 142

Patent

active

046422994

ABSTRACT:
A composition having a low dielectric constant and low dielectric loss tangent from room temperature to at least about 1100.degree. C. comprises a silicon nitride based material containing an effective amount of a sintering aid and an effective amount of a low dielectric loss promoter.

REFERENCES:
patent: 4025351 (1977-05-01), Masaki
patent: 4147911 (1979-04-01), Nishitani
patent: 4327187 (1982-04-01), Komatsu et al.
patent: 4358772 (1982-11-01), Leggett et al.
patent: 4407970 (1982-10-01), Komatsu et al.
patent: 4511402 (1985-04-01), Miura et al.
patent: 4521525 (1985-06-01), Hsieh
patent: 4552851 (1985-11-01), Hsieh

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