Dielectric ceramic for use in microwave device, a microwave diel

Details Dielectric ceramic for use in microwave device, a microwave diel Dielectric ceramic for use in microwave device, a microwave diel

1992-09-08

1994-09-27

Lewis, Michael

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428632, 428671, 501134, 3332191, H01P 700

Patent

active

053506391

ABSTRACT:
Dielectric ceramics a microwave device made of (Bi.sub.2 O.sub.3).sub..times. (Nb.sub.2 O.sub.5).sub.1-x includes at least one of subcomponents of CuO and V.sub.2 O.sub.5, wherein the composition ratio x is fallen into a range of 0.48.ltoreq..times..ltoreq.0.51, an atomic ratio AR1 defined by the following equation:

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patent: 4978881 (1990-12-01), Wakita et al.
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patent: 5028348 (1991-07-01), Konoike et al.
patent: 5105176 (1992-04-01), Okamura et al.
Lanagan et al, "Microwave Dielectric Properties of Antiferroelectric Lead Ziiconate" J. Am. Ceram. Soc., vol. 71 [4], pp. 311-316 (Apr. 1988).
Lanagan et al, "Dielectric Behavior of the Relaxor Pb(Mg1/3Nb2/3)O.sub.3 -PbTiO.sub.3 Solid-Solution System in the Microwave Region", Communications of the American Ceramic Society vol. 72, No. 3, pp. 481-483, (Mar. 1989).

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