| |
 |
|
|
Inventor: Utsumi; Kazuaki
Address: Tokyo, JA
No. of patents: 3
Patents:
| 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 |
| 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 |
|
|
|
