Silicon nitride having low dielectric constant

Details Silicon nitride having low dielectric constant Silicon nitride having low dielectric constant

1986-09-15

1987-11-24

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501 97, 343872, C04B 3558, H01Q 142

Patent

active

047089431

ABSTRACT:
A ceramic dielectric having a low dielectric constant and a 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 magnesium oxide as a sintering aid and an effective amount of a low dielectric loss promoter comprising iron oxide and/or chromium oxide.

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