JPH02137104U

JPH02137104U -

Info

Publication number: JPH02137104U
Application number: JP4604289U
Authority: JP
Priority date: 1989-04-19
Filing date: 1989-04-19
Publication date: 1990-11-15

Description

[Brief explanation of drawings]

第１図ないし第３図は本願第１項の考案の一実
施例による誘電体フイルタの有極化構造を説明す
るための図であり、第１図はその分解斜視図、第
２図はその断面図、第３図ａはその有極基板を示
す分解斜視図、第３図ｂはその断面図、第４図は
本願第２項の考案の一実施例による誘電体フイル
タの有極構造を説明するための分解斜視図、第５
図及び第６図はそれぞれ従来の構造を説明するた
めの断面図、分解斜視図である。図において、１は誘電体フイルタ、２は誘電体
ブロツク、２ａは開放端側端面、３は貫通孔、４
は内導電膜、５は外導電膜、６は共振器、２０は
有極基板、２１は樹脂棒、２２は金属ピン、２３
ａ，２３ｂは有極電極膜、２６は樹脂ピン、３０
は樹脂シートである。 1 to 3 are diagrams for explaining a polarized structure of a dielectric filter according to an embodiment of the invention of item 1 of the present application, FIG. 1 is an exploded perspective view thereof, and FIG. 2 is an exploded perspective view thereof. 3A is an exploded perspective view showing the polarized substrate, FIG. 3B is a sectional view thereof, and FIG. Exploded perspective view for explanation, fifth
This figure and FIG. 6 are a sectional view and an exploded perspective view, respectively, for explaining the conventional structure. In the figure, 1 is a dielectric filter, 2 is a dielectric block, 2a is an open end surface, 3 is a through hole, and 4 is a dielectric block.
5 is an inner conductive film, 5 is an outer conductive film, 6 is a resonator, 20 is a polarized substrate, 21 is a resin rod, 22 is a metal pin, 23
a, 23b are polar electrode films, 26 are resin pins, 30
is a resin sheet.

Claims

[Scope of Claim for Utility Model Registration] (1) A through hole is formed in a dielectric block, an inner conductive film is formed on the inner peripheral surface of the through hole, and the outer surface of the dielectric block except for the open end side end surface. A plurality of resonators are formed by forming an outer conductive film on the
A polar substrate on which a polar electrode film is formed is disposed on the open end side end surface of the dielectric block, and the polar electrode film and the resonator are connected to a resin rod by inserting a metal pin into the resin pin. A polarized structure of a dielectric filter in which the polarized substrate is constituted by a multilayer substrate having the polarized electrode film formed therein. . (2) A through hole is formed in the dielectric block, an inner conductive film is formed on the inner peripheral surface of the through hole, and an outer conductive film is formed on the outer surface of the dielectric block except for the end face on the open end side. It consists of multiple resonators,
A polar substrate on which a polar electrode film is formed is disposed on the open end side end surface of the dielectric block, and the polar electrode film and the resonator are connected to a resin rod by inserting a metal pin into the resin pin. A polarized structure of a dielectric filter, characterized in that an insulating resin sheet is interposed between the polarized substrate and the end face on the open end side.