JPH03107803U

JPH03107803U -

Info

Publication number: JPH03107803U
Application number: JP1718390U
Authority: JP
Priority date: 1990-02-22
Filing date: 1990-02-22
Publication date: 1991-11-06

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す縦断面図、第
２図は第１図の誘電体フイルタから金属ケースを
除外すると共に導電膜を省略して示した斜視図、
第３図ないし第１０図はそれぞれ金属板の異なる
構成例を示す斜視図、第１１図は第１図の実施例
による誘電体フイルタの周波数特性を示す特性線
図、第１２図は本考案の異なる実施例を示す縦断
面図、第１３図は従来の誘電体フイルタの縦断面
図、第１４図は第１３図の誘電体フイルタの周波
数特性を示す特性線図である。１０……誘電体ブロツク、１２……金属ケース
、１３，１５，１６……半田部、１４，１４Ａ…
…金属板、２０……導電性ゴム。 FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, FIG. 2 is a perspective view of the dielectric filter shown in FIG. 1 with the metal case removed and the conductive film omitted;
3 to 10 are perspective views showing different configuration examples of metal plates, FIG. 11 is a characteristic diagram showing the frequency characteristics of the dielectric filter according to the embodiment of FIG. 1, and FIG. 13 is a longitudinal sectional view showing a different embodiment, FIG. 13 is a longitudinal sectional view of a conventional dielectric filter, and FIG. 14 is a characteristic line diagram showing frequency characteristics of the dielectric filter of FIG. 13. 10...Dielectric block, 12...Metal case, 13, 15, 16...Solder part, 14, 14A...
...Metal plate, 20...Conductive rubber.

Claims

[Claims for Utility Model Registration] 1. Conductive films are formed on the side surfaces, end surfaces, and bottom surfaces of a dielectric block with stepped side surfaces, as well as on the inner surface of the resonator hole, and the dielectric block is placed in a metal case. The lower side surface of the stepped portion of the dielectric block is soldered to the case, and conductive contact is made between the upper side surface of the stepped portion of the dielectric block and the metal case. A dielectric filter characterized by interposing a conductive material. 2. The dielectric filter according to claim 1, wherein the conductive material is a metal plate soldered to a conductive film formed on the side surface of the metal case and the dielectric block. 3. The dielectric filter according to claim 2, wherein the metal plate is a flat plate. 4. The dielectric filter according to claim 2, wherein the metal plate has a through hole formed therein for flowing solder. 5. The dielectric filter according to claim 2, wherein the metal plate is at least partially corrugated. 6. The dielectric filter according to claim 1, wherein the conductor is made of conductive rubber.