Divalent europium-containing compositions

Details Divalent europium-containing compositions Divalent europium-containing compositions

2005-06-14

2005-06-14

Tran, Minhloan (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C501S134000, C501S136000

Reexamination Certificate

active

06906375

ABSTRACT:
This invention provides compositions of the formula EuCu3M4O12wherein M is Ge, Ti, Sn or mixtures thereof. These compositions have high dielectric constant and low loss over a frequency range of from 1 kHz to 1 MHz.

REFERENCES:
patent: 4309295 (1982-01-01), McSweeney
patent: 4545929 (1985-10-01), Masuyama et al.
patent: 63256519 (1988-10-01), None
patent: 2528117 (1996-06-01), None
Patent Abstracts of Japan, Feb. 13, 1989, vol. 013, No. 063.
Das, B.P., et al., “Effect of Europium on Structural, Dielectric and Electrical Properties of Pb(SnTi) 03 ferroelectric ceramics”, Materials Science and Engineering B, Elsevier Sequota, Lausanne, Nov. 15, 2003, pp. 96-105, CH, vol. 104, No. 1-2.

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