High voltage capacitor assembly

Claim 2

A high voltage capacitor assembly comprising: a single ceramic body formed of a plurality of ceramic elements; a pair of exterior electrodes disposed on both end faces of said ceramic body; and at least one interior electrode embedded in said ceramic body with its periphery unexposed to the outside of said ceramic body and being sealedly sandwiched between two of said ceramic elements which are in parallel and in spaced relation with respect to each other and are in parallel and respectively positioned relatively close to each of said exterior electrodes, said periphery spaced from the outermost peripheral surface of said ceramic body by a distance of a value within a range of from 0.2 to 1.0 mm.

Claim 3

A high voltage capacitor assembly as claimed in claim 1, wherein said exterior electrodes are provided with external lead wires extending therefrom for external connection with an external circuit element, and said capacitor assembly further comprises an insulator covering applied on the whole surfaces of said ceramic body including said exterior electrodes with said lead wires extending therethrough to the outside of said covering.

Claim 4

A high voltage capacitor assembly as claimed in claim 1, wherein said at least one interior electrode includes two interior electrodes.

Claim 5

A high voltage capacitor assembly as claimed in claim 1, wherein said end faces of said ceramic body are recessed to form respectively shaped rounded recesses and said exterior electrodes are correspondingly recessed to fit into the respective recesses of said end faces.

Claim 6

A high voltage capacitor assembly as claimed in claim 1, wherein said interior electrodes are each made of semiconductor material.

Claim 7

A high voltage capacitor assembly comprising: a single ceramic body formed with at least three ceramic elements; a pair of exterior electrodes disposed on both end faces of said ceramic body and each including a lead wire connected therewith for external connection with an external circuit element; at least two interior electrodes each embedded in said ceramic body and sealedly sandwiched between one of said ceramic elements and its adjacent ceramic element in parallel and in spaced relation with respect to each other and with respect to each of said exterior electrodes; and an insulator covering applied on the whole surface of said ceramic body including the exterior electrodes with said lead wires extended therethrough to the outside of said covering, wherein said at least two interior electrodes are respectively positioned relatively close to said exterior electrodes, and have their periphery spaced from the outermost peripheral surface of said ceramic body by a distance of a value within the range of from 0.2 to 1.0 mm.

Claim 8

A high voltage capacitor assembly comprising: a single ceramic body formed with at least three ceramic elements; a pair of exterior electrodes disposed on both end faces of said ceramic body and each including a lead wire connected therewith for external connection with an external circuit element; at least two interior electrodes each embedded in said ceramic body and sealedly sandwiched between one of said ceramic elements and its adjacent ceramic element in parallel and in spaced relation with respect to each other and with respect to each of said exterior electrodes; and an insulator covering applied on the whole surface of said ceramic body including the exterior electrodes with said lead wires extended therethrough to the outside of said covering, wherein said at least two interior electrodes are respectively positioned relatively close to said exterior electrodes, and have their periphery spaced from the outermost peripheral surface of said ceramic body by a distance of a value within the range of from 0.2 to 1.0 mm.

Claim 9

A high voltage capacitor assembly as claimed in claim 6, wherein each of two of said plurality of said ceramic elements, which are respectively positioned relatively close to said exterior electrodes, is positioned such that the ratio of the distance between one of the exterior electrodes and a third ceramic element of said plurality to the distance between said one of the exterior electrodes and a fourth of said ceramic elements of said plurality, said third and fourth ceramic elements sandwiching a centrally located interior electrode therebetween and being positioned between said two ceramic elements, is less than 0.5.

Claim 10

A high voltage capacitor assembly as claimed in claim 6, wherein two of said ceramic elements which are respectively in contact with the exterior electrodes are each made of ceramic material having a dielectric constant higher than that of a remaining one of said ceramic elements.

Claim 11

A high voltage capacitor assembly as claimed in claim 7, wherein said two ceramic elements are each made of glaze material.

Claim 12

A high voltage capacitor assembly as claimed in claim 6, wherein two of said ceramic elements which are respectively in contact with the exterior electrodes are each made of glaze material.

Claim 13

A high voltage capacitor assembly comprising: a plurality of substantially disc-shaped ceramic elements; a plurality interior disc-shaped electrodes, each respective one of which is disposed between a pair of said plurality of ceramic elements, the diameter of said electrodes being less than the diameter of said ceramic element; and a pair of external electrodes disposed on the opposite surfaces of respective ones of the pair of ceramic elements of said plurality of elements between which the remainder of said plurality of elements and plurality of interior electrodes are disposed, wherein each respective one of said plurality of interior disc-shaped electrodes are respectively positioned relatively close to respective ones of said pair of external electrodes, and have their periphery spaced from the outermost peripheral surface of respective ones of the pair of ceramic elements by a distance of a value within the range of from 0.2 to 1.0 mm.

Claim 14

A high voltage capacitor assembly comprising: a plurality of substantially disc-shaped ceramic elements; a plurality interior disc-shaped electrodes, each respective one of which is disposed between a pair of said plurality of ceramic elements, the diameter of said electrodes being less than the diameter of said ceramic element; and a pair of external electrodes disposed on the opposite surfaces of respective ones of the pair of ceramic elements of said plurality of elements between which the remainder of said plurality of elements and plurality of interior electrodes are disposed, wherein each respective one of said plurality of interior disc-shaped electrodes are respectively positioned relatively close to respective ones of said pair of external electrodes, and have their periphery spaced from the outermost peripheral surface of respective ones of the pair of ceramic elements by a distance of a value within the range of from 0.2 to 1.0 mm.

Claim 15

A high voltage capacitor assembly according to claim 11, wherein the number of ceramic elements is even, and one of said interior electrodes is centrally confined between said external electrodes.

Claim 16

A high voltage capacitor assembly according to claim 11, wherein the number of ceramic elements is odd, and one of said ceramic elements is centrally confined between said external electrodes.

Claim 17

A high voltage capacitor assembly according to claim 13, wherein the dielectric constant of said centrally confined ceramic element is lower than the dielectric constants of the remaining ceramic elements.

Claim 18

A high voltage capacitor assembly according to claim 11, wherein said interior electrodes are made of crystallized semiconductor material.

Claim 19

A high voltage capacitor assembly according to claim 14, wherein said remaining ceramic elements are made of a material selected from the group consisting of borosilicate glass and sodium glass.

Claim 20

A high voltage capacitor assembly according to claim 11, wherein said exterior electrodes are provided with external lead wires, and said assembly further includes an insulator coating applied on the entirety thereof, with said external lead wires extending through said coating.

Claim 21

A high voltage capacitor assembly according to claim 11, wherein the thickness of each of said ceramic elements, at the periphery thereof, is substantially the same.

Claim 22

A high voltage capacitor assembly according to claim 11, wherein the thickness of each of the ceramic elements of said pair is less than the thickness of each of said remaining ceramic elements.

Claim 23

A high voltage capacitor assembly according to claim 11, wherein the difference in the diameters of said ceramic elements and said interior electrodes is between 0.2 to 1.0 millimeters.

Claim 24

A high voltage capacitor assembly according to claim 20, where said difference is substantially 0.5 mm.

Claim 25

A high voltage capacitor assembly according to claim 19, wherein the thickness of each ceramic element of said pair is approximately 0.0001 of the thickness of each of said remaining ceramic elements.