JPH0253634U - - Google Patents

Info

Publication number
JPH0253634U
JPH0253634U JP13202288U JP13202288U JPH0253634U JP H0253634 U JPH0253634 U JP H0253634U JP 13202288 U JP13202288 U JP 13202288U JP 13202288 U JP13202288 U JP 13202288U JP H0253634 U JPH0253634 U JP H0253634U
Authority
JP
Japan
Prior art keywords
resin layer
insulating resin
terminal board
legs
bent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13202288U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP13202288U priority Critical patent/JPH0253634U/ja
Publication of JPH0253634U publication Critical patent/JPH0253634U/ja
Pending legal-status Critical Current

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  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す縦断側面図、
第２図は同要部を示す断面図、第３図はプリント
配線基板への実装状態を示す斜視図、第４図はラ
ダー型圧電フイルタの等価回路図であつて、Ａは
逆Ｌ接続型、Ｂは多段接続型を示す。 １……直列枝圧電共振子、２……並列枝圧電共
振子、３……入力端子板、３ｂ……脚部、４……
出力端子板、４ｂ……脚部、８……金属製ケース
、８ａ……開口面、８ｂ……接地脚部、９……第
一の絶縁樹脂層、１０……第二の絶縁樹脂層。 FIG. 1 is a vertical side view showing an embodiment of the present invention;
Figure 2 is a cross-sectional view showing the main parts, Figure 3 is a perspective view showing how it is mounted on a printed wiring board, Figure 4 is an equivalent circuit diagram of a ladder type piezoelectric filter, and A is a reverse L connection type. , B indicates a multi-stage connection type. 1... Series branch piezoelectric resonator, 2... Parallel branch piezoelectric resonator, 3... Input terminal board, 3b... Leg, 4...
Output terminal board, 4b...leg, 8...metal case, 8a...opening surface, 8b...ground leg, 9...first insulating resin layer, 10...second insulating resin layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数の圧電共振子と、該共振子の振動節部に当
接して電気的機械的に挾持する複数の端子板と、
所定のフイルタ回路を構成するために適宜箇所に
介挿される絶縁板と、これら部品を縦列に収納す
ると共に開口面より各端子板の脚部を外部に導出
するケースと、該ケースの開口面を略面一状に封
塞する絶縁樹脂層とからなり、各端子板の脚部を
クランク状に折曲してフイルタ本体をサーフエイ
スマウント型式でプリント基板に実装されるもの
において、上記絶縁樹脂層が第一、第二の層から
なり、第一の絶縁樹脂層が入力端子板及び出力端
子板の脚部の折曲前に形成され、第二の絶縁樹脂
層がその折曲後に形成されてなることを特徴とす
るラダー型圧電フイルタ。 a plurality of piezoelectric resonators; a plurality of terminal plates that contact and electrically and mechanically clamp the vibration nodes of the resonators;
An insulating plate that is inserted at appropriate locations to configure a predetermined filter circuit, a case that houses these components in tandem and leads the legs of each terminal board to the outside from an opening surface, and an opening surface of the case. The insulating resin layer is formed of an insulating resin layer that is sealed almost flush, and the leg of each terminal board is bent into a crank shape so that the filter body is mounted on a printed circuit board in a surface mount type. is composed of first and second layers, the first insulating resin layer is formed before the legs of the input terminal board and the output terminal board are bent, and the second insulating resin layer is formed after the legs are bent. A ladder type piezoelectric filter that is characterized by:
JP13202288U 1988-10-08 1988-10-08 Pending JPH0253634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13202288U JPH0253634U (en) 1988-10-08 1988-10-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13202288U JPH0253634U (en) 1988-10-08 1988-10-08

Publications (1)

Publication Number Publication Date
JPH0253634U true JPH0253634U (en) 1990-04-18

Family

ID=31388613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13202288U Pending JPH0253634U (en) 1988-10-08 1988-10-08

Country Status (1)

Country Link
JP (1) JPH0253634U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0528124U (en) * 1991-09-21 1993-04-09 日本特殊陶業株式会社 Piezoelectric filter
JPH0528123U (en) * 1991-09-21 1993-04-09 日本特殊陶業株式会社 Piezoelectric filter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824500U (en) * 1981-08-10 1983-02-16 一暢工業株式会社 Overflow prevention device
JPS5848817U (en) * 1981-09-30 1983-04-02 松下電工株式会社 roofing material
JPS6364117B2 (en) * 1982-07-14 1988-12-09

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824500U (en) * 1981-08-10 1983-02-16 一暢工業株式会社 Overflow prevention device
JPS5848817U (en) * 1981-09-30 1983-04-02 松下電工株式会社 roofing material
JPS6364117B2 (en) * 1982-07-14 1988-12-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0528124U (en) * 1991-09-21 1993-04-09 日本特殊陶業株式会社 Piezoelectric filter
JPH0528123U (en) * 1991-09-21 1993-04-09 日本特殊陶業株式会社 Piezoelectric filter

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