JPS60256208A - Piezoelectric ceramic resonator - Google Patents
Piezoelectric ceramic resonatorInfo
- Publication number
- JPS60256208A JPS60256208A JP11340984A JP11340984A JPS60256208A JP S60256208 A JPS60256208 A JP S60256208A JP 11340984 A JP11340984 A JP 11340984A JP 11340984 A JP11340984 A JP 11340984A JP S60256208 A JPS60256208 A JP S60256208A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- plate
- piezoelectric ceramic
- case body
- spring
- 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
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
- H03H9/1028—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being held between spring terminals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
- H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は圧電磁器振動子を用い、主として映徽機器、音
響機器等に使用されるフィルタ、及びマイクロコンピュ
ータの３！準信号発生用の発振子等の圧′Ｒ１ｉ器共振
子に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention uses a piezoelectric ceramic vibrator, and is mainly applied to filters used in video equipment, audio equipment, etc., and microcomputers. This invention relates to a pressure R1i resonator such as an oscillator for generating quasi-signals.
従来例の構成とその問題点
従来、数百ＫＨｚ帯の圧電磁器共振子としては第１図ａ
、ｂのような円板、または角板のルミ磁器振動子を第２
図のようにプラスチックケースに内蔵したケーシングタ
イプが主流となっている。Conventional structure and its problems Conventionally, as a piezoelectric ceramic resonator in the several hundred KHz band, the piezoelectric resonator shown in Fig. 1a
, b.
The mainstream is the casing type, which is built into a plastic case as shown in the figure.
第２図において、１は圧電磁器振動子で、電極板２．３
により圧着挟持し、これら全体をケース４に収納してケ
ース開口部を封止板５と樹脂６により封止した構造であ
る。この構造の場合、目的とする周波数に対して圧電！
１器振動子の形状寸法が変動し、電極板２，３、ケース
４が一定の場合、−２−
Ｆ［電磁器擾ｖｊ子１とケース４の隙間がバラツキ、機
械的衝撃等に対して不安定な構造どなり得る条件のもの
が発！１−ツる。そのため、機械的に安定な構造を提供
するため、多くの形状寸法の電極板２゜３とケース４を
必要とし、ｆｆ電磁器共振子の形状も多品種にわたって
いた。In Fig. 2, 1 is a piezoelectric ceramic vibrator, electrode plates 2.3
The structure is such that the whole is housed in a case 4 and the opening of the case is sealed with a sealing plate 5 and a resin 6. With this structure, piezoelectricity at the desired frequency!
If the shape and dimensions of the single-unit vibrator vary and the electrode plates 2, 3, and case 4 are constant, -2-F [electromagnetic vibrator vj] Conditions that could result in an unstable structure emitted! 1- Tsuru. Therefore, in order to provide a mechanically stable structure, electrode plates 2.3 and cases 4 of many shapes and sizes were required, and the shapes of FF electromagnetic resonators also varied widely.
発明の目的
本発明は従来の多くの形状に渡る欠点を除去し、機械的
に安定な構造で、しかも広い周波数範囲を一種類の形状
寸法にでき、州産牲に富んだｆｆ電磁器Ｊ（振子を提供
することを目的とする。OBJECTS OF THE INVENTION The present invention eliminates the drawbacks of many conventional shapes, has a mechanically stable structure, can cover a wide frequency range in one shape and size, and is an FF electromagnetic ceramic J( The purpose is to provide a pendulum.
発明の構成
水元＃１の圧電磁１ｉｌｉ振動子は、上方が開口し底面
中央に第１の突起状Ｎ極を有するケース本体と、このケ
ース本体に挿入され一方の電極面が前記第１の突起状電
極に接当する圧電磁器板と、ケース本体の前記間口を閉
塞すると５日こ中央に前記圧電磁器板の他方の電極面に
当接する第２の突起状電極を有Ｊるばね性用極板とを設
け、このばね性用極板を前記ケース本体に取付けて第１
．第２の突−３−
配状電極を外部接続端子に接続すると共に、ｉｔ紀ばね
性ｍｕｌｔｉ板には、第２突起状電極の周囲でＩｆ’Ｍ
磁器板の外形よりも外側に第２の突起状ｌ！極よりも高
い位置決め用突起体を設けたことを特徴とづる。Structure of the Invention The piezoelectric 1ili vibrator of Mizumoto #1 has a case body that is open at the top and has a first protruding N pole at the center of the bottom surface, and a case body that is inserted into the case body and has one electrode surface that is connected to the first protruding N pole. A piezoelectric ceramic plate that comes into contact with the protruding electrode, and a second protruding electrode that comes into contact with the other electrode surface of the piezoelectric ceramic plate in the center when the opening of the case body is closed. A first electrode plate is provided, and this spring electrode plate is attached to the case body.
．． The second projecting electrode is connected to the external connection terminal, and if'M is connected to the second projecting electrode around the second projecting electrode.
A second protrusion l on the outside of the outer shape of the porcelain plate! It is characterized by the provision of a positioning protrusion higher than the pole.
実施例の説明
以下、本発明の一実施例を第３図〜第５図に基づいて説
明する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 3 to 5.
第３図は本発明のｆｆ電磁器共振子の分解斜視図を示す
。７は上方が開口した合成樹脂−のケース本体、８１；
ｉｆｆ電磁器板、９はケース本体７のｌｌｌｌｒｌ部を
閉塞するばね性用極板である。ケース本体７には端子１
０＋ 、１０２および外部接続端子となる端子１０３
．１０．が成形時に埋め込んで固定されており、端子１
０３の先端にはケース本体７の底面中央部で圧！磁器板
８側に突出した第１の突起状Ｎ極１１が形成されており
、端子１０１ と１０２および１０４はケース本体７の
内部で電気的に接続されている。FIG. 3 shows an exploded perspective view of the FF electromagnetic resonator of the present invention. 7 is a case body made of synthetic resin that is open at the top; 81;
IF electromagnetic plate 9 is a spring polar plate that closes the llllrl portion of the case body 7. Case body 7 has terminal 1
0+, 102, and a terminal 103 that serves as an external connection terminal
．． 10. is embedded and fixed during molding, and terminal 1
Pressure is applied to the tip of 03 at the center of the bottom of the case body 7! A first protruding N pole 11 is formed that protrudes toward the ceramic plate 8, and terminals 101, 102, and 104 are electrically connected inside the case body 7.
また、ばね性用極板９には、中央にＩＪｉｌ磁器板８側
に突出した第２の突起状電極１２と、この第２の−４−
突起状電４４１２の周囲で第２の突起状電極１２に対し
く対称イ０１７Ｍに４１Ｉ！！Ｉの位置決め用突起１３
１ ．１３２ 。Further, the spring electrode plate 9 has a second protruding electrode 12 in the center that protrudes toward the IJil porcelain plate 8 side, and a second protruding electrode around the second -4- protruding electrode 4412. Symmetrical I for 12 017M and 41I! ! I positioning protrusion 13
1. 132.
１３：ｌ 、１３４とが設置〕られている。13:l, 134 are installed.
なお、第５図に６示すように位置決め用突起１３１ ・
〜・１３４の＾さｔ−１１は第２の突起状電極１２の高
さ＋１２Ｊ：りも高く、位置決め用突起１３１ と１３
２．１３３と１３４の間隔１−１ はｒｔ電電磁根板８
一辺の長さ［２よりも若干大きく形成されている。In addition, as shown in FIG. 5, the positioning protrusion 131
~・134 ^ t - 11 is the height of the second protruding electrode 12 + 12J: higher, positioning protrusions 131 and 13
2. The interval 1-1 between 133 and 134 is the rt electromagnetic root plate 8
The length of one side is slightly larger than [2].
このように構成された各部品の組立ては、ケース本体７
の開口をばね性用極板９で閉塞して第１、第２の突起状
電極１１と１２とで圧電磁器板８を挾持すると其に、端
子１０１ と１０２とをに方に折曲げるとｉｔにかしめ
て、ばねｆＩ電極板９をケース本体７に取付ける。また
、端子１０３ ．１０４は下方に折曲げて外、Ｖ端子に
使用される。第４図は組立て完了状態を示す。The assembly of each component configured in this way is performed by the case body 7.
When the opening is closed with the spring electrode plate 9 and the piezoelectric ceramic plate 8 is held between the first and second projecting electrodes 11 and 12, the terminals 101 and 102 are bent in the opposite direction. Attach the spring fI electrode plate 9 to the case body 7 by caulking it. Also, the terminal 103. 104 is bent downward and used as the V terminal. FIG. 4 shows the assembled state.
このように構成したため、ばね信用極板を圧電磁器振動
子の形状に応じで用意するだけで済み、従来のように各
周波数の圧電磁器振動子の形状に応じた適当な形状寸法
をわざわざ設計する必要が−５−
なく、同一形状寸法の部品を使用したに−しかかわらず
高信頼性に富んだＩ１１磁共振子が得られる。Because of this configuration, it is only necessary to prepare the spring plate according to the shape of the piezoelectric ceramic vibrator, and there is no need to take the trouble of designing the appropriate shape and dimensions according to the shape of the piezoelectric ceramic vibrator for each frequency, unlike in the conventional case. A highly reliable I11 magnetic resonator can be obtained even though components having the same shape and dimensions are used.
上記実施例では圧電磁器板８の形状を正方形のものとし
て説明したが、これは矩形または円板状であっても同様
であり、位置決め用突起１３１〜１３４はその外形形状
に応じて形成される。In the above embodiment, the shape of the piezoelectric ceramic plate 8 is described as being square, but this is also true even if it is rectangular or disc-shaped, and the positioning protrusions 131 to 134 are formed according to the external shape. .
上記実施例では位置決め用突起を４り所設けたが、３ケ
所であっても同様の効果が術られる。In the above embodiment, four positioning protrusions are provided, but the same effect can be obtained even if there are three positioning protrusions.
発明の詳細
な説明のように本発明の圧電磁器共振子によると、ばね
性用極板の位置決め用突起の位置を圧電磁器板の外形寸
法に応じて決定するだりで各周波数の圧電磁器共振子を
構成することかぐき、しかも同一形状寸法のケース本体
とばね性用極板とを使用するにもかかわらず高信頼性の
圧電磁器共振子を提供できるものである。As described in the detailed description of the invention, according to the piezoelectric ceramic resonator of the present invention, the position of the positioning protrusion of the spring polar plate is determined according to the external dimensions of the piezoelectric ceramic plate, and the piezoelectric ceramic resonator of each frequency can be adjusted. In addition, a highly reliable piezoelectric ceramic resonator can be provided even though the case body and the spring plate have the same shape and dimensions.
第１図ａ、ｂは圧電磁器板の斜視図、第２図は従来の圧
電磁器共振子の縦断面図、第３図〜第５図は本発明の一
実施例を示し、第３図は本発明の−〇 −
Ｉ′Ｔｗｉ磁器」Ｌ振Ｉの分解斜視図、第４図は組）Ｉ
て完了時の一部切欠き斜視図、第５図は組立過程の縦断
面図である。
８・・・Ｆ［電磁器板、９・・・ばねｔ’ｌ電極板、１
０１〜１０４・・・端子、１１・・・第１の突起状電極
、１２・・・第２の突起状ｗｉ極、１３１〜１３４・・
・位’ｔｔ決め用突起、１１１・・・位置決め用突起の
高さ、ｉｆ ２・・・第２の突起状電極の高さ、１−１
・・・位置決め用突起の間隔、１２・・・）ｆ ？！電
磁器板外形１法
代理人 森 木 義 弘
−７−
第１図
第２図
第３図
２
４
第４図Figures 1a and 1b are perspective views of a piezoelectric ceramic plate, Figure 2 is a vertical cross-sectional view of a conventional piezoelectric ceramic resonator, Figures 3 to 5 show an embodiment of the present invention, and Figure 3 is a perspective view of a piezoelectric ceramic plate. An exploded perspective view of the -〇-I'Twi porcelain of the present invention, Fig. 4 is a set of I
FIG. 5 is a partially cutaway perspective view of the completed assembly, and FIG. 5 is a vertical sectional view of the assembly process. 8...F[electromagnetic plate, 9...spring t'l electrode plate, 1
01-104...Terminal, 11...First protruding electrode, 12...Second protruding wi pole, 131-134...
-Positioning protrusion, 111... Height of positioning protrusion, if 2... Height of second protruding electrode, 1-1
... Distance between positioning protrusions, 12...)f? ! Electromagnetic plate external shape 1 Law agent Yoshihiro Moriki-7- Figure 1 Figure 2 Figure 3 Figure 2 4 Figure 4
Claims (1)
ケース本体と、このケース本体に挿入され一方の電極面
が前記第１の突起状電極に接当する圧電磁器板と、ケー
ス本体の前記開口をｆｆｌ塞すると共に中央に前記圧電
磁器板の他方の電極面に当接する第２の突起状電極を有
するばね性電極板とを設け、このばね竹電極板を前記ケ
ース本体に取付けて第１、第２の突起状電極を外部接続
端子に接続すると共に、前記ばね性電極板には、第２の
突起状Ｎ極の周囲で圧電１ｉ１５ｉ板の外形Ｊ：りち外
側に第２の突起状電極よりも高い位１決め用突起体を設
けた圧電磁器共振子。 ２、一端がケース本体に固定された端子板をかしめてば
ね性電極板をケース本体へ取付けると共に前記端子板に
よって第２の突起状電極−１− と外部接続端子とを接続したことを特徴とする特許請求
の範囲第１項記載の圧電磁器共振子。[Claims] 1. A case body having an opening at the top and a first protruding electrode at the center of the bottom surface, and a piezoelectric device inserted into the case body and having one electrode surface in contact with the first protruding electrode. A ceramic plate and a spring electrode plate that covers the opening of the case body and has a second protruding electrode in the center that contacts the other electrode surface of the piezoelectric ceramic plate are provided, and this spring bamboo electrode plate is provided. The spring electrode plate is attached to the case body to connect the first and second protruding electrodes to external connection terminals, and the spring electrode plate has a piezoelectric plate having an outer shape J: around the second protruding N pole. A piezoelectric ceramic resonator having a positioning protrusion higher than the second protruding electrode on the outside. 2. A terminal plate having one end fixed to the case body is caulked to attach the spring electrode plate to the case body, and the terminal plate connects the second protruding electrode-1- to an external connection terminal. A piezoelectric ceramic resonator according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11340984A JPS60256208A (en) | 1984-06-01 | 1984-06-01 | Piezoelectric ceramic resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11340984A JPS60256208A (en) | 1984-06-01 | 1984-06-01 | Piezoelectric ceramic resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60256208A true JPS60256208A (en) | 1985-12-17 |
Family
ID=14611542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11340984A Pending JPS60256208A (en) | 1984-06-01 | 1984-06-01 | Piezoelectric ceramic resonator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60256208A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62196418U (en) * | 1986-06-04 | 1987-12-14 |
-
1984
- 1984-06-01 JP JP11340984A patent/JPS60256208A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62196418U (en) * | 1986-06-04 | 1987-12-14 |
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