JPS6327472Y2 - - Google Patents
Info
- Publication number
- JPS6327472Y2 JPS6327472Y2 JP16181680U JP16181680U JPS6327472Y2 JP S6327472 Y2 JPS6327472 Y2 JP S6327472Y2 JP 16181680 U JP16181680 U JP 16181680U JP 16181680 U JP16181680 U JP 16181680U JP S6327472 Y2 JPS6327472 Y2 JP S6327472Y2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric ceramic
- electrodes
- fixed
- ceramic filter
- electrode
- 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.)
- Expired
Links
- 239000000919 ceramic Substances 0.000 claims description 15
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Description
【考案の詳細な説明】
本考案は、同一圧電磁器板上に設けた複数の電
極と、外部リード線に接続配線した電極とを容易
に接続固定して外装できるようにした圧電磁器フ
イルタを提供するものである。[Detailed description of the invention] The present invention provides a piezoelectric ceramic filter in which multiple electrodes provided on the same piezoelectric ceramic plate and electrodes connected and wired to external lead wires can be easily connected and fixed and packaged. It is something to do.
まず、同一圧電磁器板上に複数の電極を設けた
従来の一例について第１図に従つて説明すると、
同一圧電磁器板１上で４つの共振部を持つように
裏面の電極と重なるように設けた３つの電極２，
２′，２″を有する圧電素子を外部リード線３，
３′，３″と接続配線した電極４，４′，４″にハン
ダ５，５′，５″で接続するようにしている。これ
を電気回路図で書くとｂのようになる。 First, a conventional example in which a plurality of electrodes are provided on the same piezoelectric ceramic plate will be explained with reference to FIG.
Three electrodes 2 are provided on the same piezoelectric ceramic plate 1 so as to overlap with the electrodes on the back surface so as to have four resonance parts,
2′, 2″ are connected to the external lead wires 3,
The electrodes 4, 4', 4'' connected to the wires 3', 3'' are connected with solders 5, 5', 5''. If this is drawn in an electric circuit diagram, it looks like b.
この場合、同一の場所あるいは近辺より外部と
の接続をしようとすると、電気的に短絡しやすく
互に離れた所から取り出すために素子形状が大き
くなるとともに、取り付けの際に位置決めを正確
に行なわなければならず、取り付け精度がきびし
くて組立てが困難であつた。そこで、本考案は、
圧電素子を小形にでき、かつ組立てを容易にする
ことのできる圧電磁器フイルタを提供することを
目的とするものであり、以下、本考案の一実施例
について図に従つて説明する。 In this case, if you try to connect to the outside from the same place or nearby, it is easy to cause an electrical short circuit, and the shape of the elements becomes larger because they are taken out from separate places, and it is necessary to position them accurately during installation. As a matter of fact, the mounting accuracy was difficult and assembly was difficult. Therefore, the present invention is
It is an object of the present invention to provide a piezoelectric ceramic filter whose piezoelectric element can be made small and whose assembly is easy.An embodiment of the present invention will be described below with reference to the drawings.
第３図はこの実施例を用いた圧電素子の電極形
状を示し、圧電磁器板１上に４つの共振部を有す
るように表側ａに電極２，２′，２″，２を設け
裏面ｂに電極３を設けている。 FIG. 3 shows the electrode configuration of a piezoelectric element using this embodiment, with electrodes 2, 2', 2'', 2 provided on the front side a and an electrode 3 provided on the back side b so as to have four resonating portions on a piezoelectric ceramic plate 1.
第４図は本実施例に使用する基板７を示し、外
部引出用のリード線４，４′，４″と接続配線され
た電極５，５′と、これに一端が接続固定された
ヒゲ状のリード線６を設けている。 FIG. 4 shows a substrate 7 used in this embodiment, which includes electrodes 5, 5' connected to lead wires 4, 4', 4'' for external extraction, and whisker-shaped electrodes with one end connected and fixed thereto. A lead wire 6 is provided.
第２図はこのような基板７に圧電素子をヒゲ状
リード線６の下に挟み込んで取り付けた状態を示
す。必要外のヒゲ状リード線はピンセツト等で除
去する。配線電極５′上には導電性接着剤８を塗
布しておき、その上に素子の裏面の共通電極３が
乗るようにして取り付けておく。そして、このよ
うに組み立てたものの外周を樹脂モールド等で外
装する。 FIG. 2 shows a state in which a piezoelectric element is mounted on such a substrate 7 by sandwiching it under a whisker-shaped lead wire 6. As shown in FIG. Remove unnecessary whisker-like lead wires with tweezers or the like. A conductive adhesive 8 is applied on the wiring electrode 5', and the common electrode 3 on the back surface of the element is placed on top of the conductive adhesive 8. Then, the outer periphery of the thus assembled product is covered with a resin mold or the like.
このように、本考案の圧電磁器フイルタによれ
ば、圧電素子が小形にできて圧電磁器フイルタ全
体が小形にでき、かつ、ヒゲ状リード線に圧電素
子を挟み込むことにより、圧電素子を容易に接続
固定することができるものである。 As described above, according to the piezoelectric ceramic filter of the present invention, the piezoelectric element can be made small and the piezoelectric ceramic filter as a whole can be made small, and the piezoelectric element can be easily connected by sandwiching the piezoelectric element between the whisker-shaped lead wires. It can be fixed.
第１図は従来の圧電磁器フイルタを示し、ａは
その斜視図、ｂはその等価回路図、第２図は本考
案の一実施例における圧電磁器フイルタの斜視
図、第３図ａ，ｂおよび第４図はその部品の斜視
図である。
１……圧電磁器板、２，２′，２″，２……電
極、３……電極、４，４′，４″……外部引出用リ
ード線、５，５′……電極、６……ヒゲ状リード
線、７……基板。
FIG. 1 shows a conventional piezoelectric ceramic filter, a is a perspective view thereof, b is an equivalent circuit diagram thereof, FIG. 2 is a perspective view of a piezoelectric ceramic filter according to an embodiment of the present invention, and FIGS. 3 a, b, and FIG. 4 is a perspective view of the parts. 1... Piezoelectric ceramic plate, 2, 2', 2'', 2... Electrode, 3... Electrode, 4, 4', 4''... External lead wire, 5, 5'... Electrode, 6... ... Mustache-shaped lead wire, 7... Board.
Claims (1)
子を設け、絶縁基板上に形成した外部引出用の電
極に一端を接続固定したひげ状のリード線を設
け、上記圧電素子をこのリード線で抑えて上記基
板に固定しかつ上記圧電磁器板上の電極と上記リ
ード線とを接続固定し、それらの外周に樹脂モー
ルド等の外装を設けてなる圧電磁器フイルタ。 A piezoelectric element with a plurality of electrodes is provided on the same piezoelectric ceramic plate, a whisker-shaped lead wire is provided with one end connected and fixed to an electrode for external extraction formed on an insulating substrate, and the piezoelectric element is connected with this lead wire. A piezoelectric ceramic filter that is held down and fixed to the substrate, and the electrodes on the piezoelectric ceramic plate and the lead wires are connected and fixed, and an exterior such as a resin mold is provided on the outer periphery of the piezoelectric ceramic filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16181680U JPS6327472Y2 (en) | 1980-11-12 | 1980-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16181680U JPS6327472Y2 (en) | 1980-11-12 | 1980-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5785723U JPS5785723U (en) | 1982-05-27 |
| JPS6327472Y2 true JPS6327472Y2 (en) | 1988-07-25 |
Family
ID=29520704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16181680U Expired JPS6327472Y2 (en) | 1980-11-12 | 1980-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6327472Y2 (en) |
-
1980
- 1980-11-12 JP JP16181680U patent/JPS6327472Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5785723U (en) | 1982-05-27 |
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