| Patent Number |
Title Of Patent |
Date Issued |
| RE29484 |
Barium titanate base ceramic composition having a high dielectric constant |
November 29, 1977 |
| A ceramic composition having a high dielectric constant which has good stability with temperature variation and the passage of time includes BaTiO.sub.3 in which the molecular ratio of Ba to Ti ranges from about 0.9 to 1.1 as the basic constituent and about 0.1 to 10 mol % of at least on |
| 4078938 |
Ceramic compositions having high dielectric constant |
March 14, 1978 |
| A ceramic composition allowing low-temperature sintering at a temperature below 1000.degree. C and having a high dielectric constant over 5000 essentially contains Pb(Fe 2/3 W 1/3)O.sub.3 and Pb(Fe 1/3 Nb 2/3)O.sub.3, in which the molecular ratio of Pb(Fe 2/3 W 1/3)O.sub.3 to Pb(Fe 1/3 N |
| 4030937 |
Ceramic dielectric material having improved temperature stability |
June 21, 1977 |
| A ceramic dielectric material according to the present invention has a composition consisting essentially of La.sub.2 Ti.sub.2 O.sub.7, Sr.sub.2 Nb.sub.2 O.sub.7, and 1/2Mg.sub.2x --Ti.sub.2.sub.-2x O.sub.4.sub.-2x, where x lies in a range of 0 to 1.0. This material has a relatively larg |
| 3969252 |
Dielectric ceramic compositions of BaTiO.sub.3 -BaZrO.sub.3 -CaTiO.sub.3 system |
July 13, 1976 |
| A dielectric material is provided consisting essentially of a composition based on the general formula:Wherein x=y=z = 1.0 and in which x, y and z have the following ranges: 0.4 .ltoreq. x .ltoreq. 0.89, 0.1 .ltoreq. y .ltoreq. 0.3 and 0.01 .ltoreq. z .ltoreq. 0.3, respectively, said com |
| 3963630 |
Lead zirconate-titanate powder of particle sizes between 0.02 and 0.2 micron, process for produc |
June 15, 1976 |
| Fine crystalline powder, from 0.02 to 0.2 micron in average particle size, of a composition Pb(Zr.Ti)O.sub.3. Parts of Zr and Ti of the composition may be substituted for with Mn and Sb, Nb, and/or Ta. The powder is produced by preparing an acidic aqueous solution of the constituent |