JPH0316704U

JPH0316704U -

Info

Publication number: JPH0316704U
Application number: JP7723489U
Authority: JP
Priority date: 1989-06-30
Filing date: 1989-06-30
Publication date: 1991-02-19

Description

[Brief explanation of drawings]

第１図から第５図は本考案の実施例を示す斜視
図、第６図は従来例を示す斜視図である。１１，１２，３１，３１，３３，４１，５１…
…共振子ユニツト、１４，４４，５４……導体膜
。 1 to 5 are perspective views showing an embodiment of the present invention, and FIG. 6 is a perspective view showing a conventional example. 11, 12, 31, 31, 33, 41, 51...
...Resonator unit, 14, 44, 54... Conductor film.

Claims

[Claims for Utility Model Registration] (1) In a dielectric filter in which a plurality of resonator units each having a through hole are coupled by capacitive coupling and inductive coupling, each resonator unit is prismatic and has opposing sides. are bonded and integrated via a conductor film formed on a part of the through hole, an inner conductor film is provided in the through hole, an outer conductor is provided on the surface where the through hole is not exposed, and the through hole is exposed. A dielectric filter comprising a conductive film short-circuiting an inner conductor and an outer conductor on one of its surfaces. (2) In a dielectric filter in which a plurality of resonator units each having through holes are coupled by capacitive coupling and inductive coupling, each resonator unit is prismatic and has conductors formed on parts of opposing sides. The through-hole is bonded and integrated through a membrane, has an inner conductor film in the through-hole, has an outer conductor on the surface where the through-hole is not exposed, and has an inner conductor on one of the exposed surfaces of the through-hole. 1. A dielectric filter comprising a conductor film that short-circuits an outer conductor, and an inner conductor of a resonator unit at both ends and an input/output terminal are capacitively coupled. (3) The dielectric filter according to claim 1 or 2, wherein the conductive film formed on the opposing side surfaces is formed on the open end surface side. (4) The dielectric filter according to claim 1 or 2, wherein the conductive film formed on the opposing side surfaces is formed on the short-circuit end surface side.