JPS6291012A - Ceramic oscillator - Google Patents
Ceramic oscillatorInfo
- Publication number
- JPS6291012A JPS6291012A JP23013485A JP23013485A JPS6291012A JP S6291012 A JPS6291012 A JP S6291012A JP 23013485 A JP23013485 A JP 23013485A JP 23013485 A JP23013485 A JP 23013485A JP S6291012 A JPS6291012 A JP S6291012A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric ceramic
- case
- ceramic oscillator
- ceramic
- electrodes
- 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
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、主に１チツプマイクロコンピユータの基準信
号発生用として利用されるセラミック発振子に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a ceramic oscillator mainly used for generating a reference signal for a one-chip microcomputer.
従来の技術
従来、この種のセラミック発振子は、数百ＫＨｚ帯であ
り、第３図に示すような可成であった。第３図において
、１は円板又は角板状の圧電磁器振動子であり、厚み方
向の両面に電極２．２′を設けると共に前記電極２．２
′間に分極を施したものである。そして、端子３，３′
と一体に形成された電極板４．４′の突起５ 、５’ｌ
Ｃより中央部を圧着挾持し、ケース６内に収納してケー
ス開口部を封止板７、及び樹脂８により封止した構造で
ある。つまり、従来の数百ＫＨｚ 帯のセラミック発
振子は、円板又は角板状の圧電磁器の広がり振動を利用
したものである。第４図ａ、ｂば、従来の数百ＫＨｚ帯
のセラミック発振子に使用されている圧電磁器振動子で
あり矢印は分極方向を示す。BACKGROUND OF THE INVENTION Conventionally, this type of ceramic oscillator has a frequency band of several hundred KHz, as shown in FIG. In FIG. 3, reference numeral 1 denotes a piezoelectric ceramic vibrator in the form of a disc or square plate, and electrodes 2.2' are provided on both sides in the thickness direction.
′ with polarization applied between them. And terminals 3, 3'
Protrusions 5, 5'l of electrode plate 4.4' formed integrally with
It has a structure in which the central part is clamped by C and housed in a case 6, and the opening of the case is sealed with a sealing plate 7 and a resin 8. In other words, conventional ceramic oscillators with a frequency of several hundred KHz utilize the spreading vibration of a piezoelectric ceramic in the shape of a disc or a square plate. FIGS. 4a and 4b show piezoelectric ceramic vibrators used in conventional ceramic oscillators in the several hundred KHz band, and the arrows indicate the polarization direction.
発明が解決しようとする問題点
部品の実装技術の進歩に伴い、セラミック発振子におい
ても、抵抗、コンデンサ等の汎用電子部品と同様に、小
形化及びチップ化が要望されている中で、従来の数百Ｋ
Ｈｚ 帯のセラミック発振子の構成では、チップ化し
ようとすると、形状１寸法及び端子の取り出し方法、更
には、包装形態等のさまざまな課題があシ、チップ化す
ることが非常に困難であった。本発明は、このような問
題点を解決するものであり、小形でかつチップ化が容易
であるセラミック発振子を提供することを目的とするも
のである。Problems that the invention aims to solve With advances in component mounting technology, ceramic resonators are also required to be made smaller and chip-based, just like general-purpose electronic components such as resistors and capacitors. Several hundred kilograms
The configuration of a ceramic resonator in the Hz band was extremely difficult to convert into a chip due to various issues such as the shape, dimensions, terminal extraction method, and packaging format. . The present invention is intended to solve these problems, and it is an object of the present invention to provide a ceramic oscillator that is small and easy to form into a chip.
間頌点を解決するだめの手段
この問題点を解決するために本発明は、円柱又は角柱状
の圧電磁器の分極方向の両端面に電極を設け、前記圧電
磁器振動子の分極方向の中央部を圧着保持すると共に、
前記圧電磁器を貫通部内に収納するケースを設け、前記
ケース開口部の少なくとも一方に導電性を有する弾性体
を介して金属キャップを挿入し、金属キャップと前記圧
電磁器振動子に設けた電極とを導通させると共に内部を
保護したものである。つまり、圧電磁器振動子の厚み縦
て撮動を利用したものである。Means for solving the problem In order to solve this problem, the present invention provides electrodes on both end faces in the polarization direction of a cylindrical or prismatic piezoelectric ceramic, and a central part of the piezoelectric ceramic vibrator in the polarization direction. In addition to crimping and holding the
A case is provided in which the piezoelectric ceramic is housed in a penetrating portion, a metal cap is inserted into at least one of the openings of the case through a conductive elastic body, and the metal cap and the electrode provided on the piezoelectric ceramic vibrator are connected to each other. This provides electrical continuity and protects the inside. In other words, it uses vertical imaging of the piezoelectric ceramic vibrator.
作 用
この構成により、小形でかつチップ化が容易である数百
ＫＨｚ 帯のセラミック発振子が提供できる。又、ア
キ／ヤシリードタイプ、更には、テーピング品への展開
が容易となる。Function: With this configuration, it is possible to provide a ceramic resonator in the hundreds of KHz band that is small and easy to form into a chip. In addition, it is easy to develop into oak/palm lead types and even taping products.
実施例
第１図は、本発明の一実施例によるセラミック発振子の
断面図である。第１図において、９は円柱状の圧電磁器
振動子であり、長手方向の両端面に電極１０ 、１０’
を設は両電極１０，１０′間に分極を施してあり、圧電
磁器振動子９の中央部を支持体１１により圧着保持し、
貫通部１２を設けたケース１３内に収納して片方のケー
ス開口部に導電性ゴム１４を介して、ケース開口部の両
側に金属キャンプ１５ 、１５’を挿入固定した構造で
ある。Embodiment FIG. 1 is a sectional view of a ceramic resonator according to an embodiment of the present invention. In FIG. 1, reference numeral 9 denotes a cylindrical piezoelectric ceramic vibrator, and electrodes 10 and 10' are provided on both end surfaces in the longitudinal direction.
Polarization is applied between the two electrodes 10 and 10', and the center portion of the piezoelectric ceramic vibrator 9 is crimped and held by a support 11.
It has a structure in which it is housed in a case 13 provided with a penetration part 12, and metal camps 15 and 15' are inserted and fixed on both sides of the case opening through conductive rubber 14.
この場合、導電性ゴムに限らず、コイルバネ、板バネ、
皿バネ笠の導電性を有する弾性体であればよい。第２図
ａ、ｂは、本発明によるセラミック発振子に使用される
圧電磁器振動子の一実施例であり矢印は分極方向を示す
。In this case, not only conductive rubber but also coil springs, plate springs,
Any elastic body having electrical conductivity similar to that of a disc spring shade may be used. FIGS. 2a and 2b show an example of a piezoelectric ceramic vibrator used in a ceramic oscillator according to the present invention, and arrows indicate polarization directions.
発明の効果
以上のように、本発明によれば小形でかつチップ化が容
易な数百Ｋ Ｈｚ 帯のセラミ、り発振子が容易に製
品化できる。又、アキシャルリードタイプ更にはテーピ
ング品への展開が可能となる為、１チツプマイクロコン
ピユータを使用する産業機器、及び民生機器製品への自
動実装が容易となる。Effects of the Invention As described above, according to the present invention, it is possible to easily commercialize a ceramic resonator in the hundreds of KHz band that is small and easy to chip. In addition, since it can be applied to axial lead types and even taping products, it becomes easy to automatically implement it into industrial equipment and consumer equipment products that use a 1-chip microcomputer.
特に、民生機器製品においては光方式のリモートコント
ローラが幅広く普及し、この基準信号の発生用として従
来例に示すセラミック発振子が使用されているが、本発
明のセラミック発振子を使用することにより、薄形化、
小形化が可能となるといった効果が得られる。In particular, optical remote controllers are widely used in consumer electronics products, and the ceramic oscillator shown in the conventional example is used to generate this reference signal, but by using the ceramic oscillator of the present invention, Thinner,
The effect of enabling miniaturization can be obtained.
第１図は、本発明の一実施例によるセラミック発振子の
構造を示す断面図、第２図ａ、ｂは、本発明による圧電
磁器振動子を示す斜視図、第３図は、従来のセラミ１７
り発振子の構造を示す断面図、第４図ａ、ｂは、従来の
圧電磁器振動子を示す斜視図である。
９・・・・・・圧電磁器振動子、１０，１０′・・・・
・・電極、１１・・・・・支持体、１２・・−・・貫通
部、１３・・・・・ケース、１４・・・・・導電性ゴム
、１５ 、１５’・・・・・・金属キャップ０
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図
第２図
（０−） （ｂ）FIG. 1 is a cross-sectional view showing the structure of a ceramic resonator according to an embodiment of the present invention, FIGS. 2a and b are perspective views showing a piezoelectric ceramic resonator according to the present invention, and FIG. 17
4a and 4b are perspective views showing a conventional piezoelectric ceramic resonator. 9...Piezoelectric ceramic vibrator, 10,10'...
... Electrode, 11 ... Support body, 12 ... Penetration part, 13 ... Case, 14 ... Conductive rubber, 15 , 15' ... Metal cap 0 Name of agent Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 (0-) (b)
Claims (1)
ぞれ電極を設け、前記圧電磁器振動子の分極方向の中央
部を圧着保持すると共に、前記圧電磁器を貫通部内に収
納するケースを設け、前記ケース開口部の少なくとも一
方に導電性を有する弾性体を介して、前記ケース開口部
の両側より金属キャップを挿入固定してなるセラミック
発振子。electrodes are provided on both end faces of a cylindrical or prismatic piezoelectric ceramic in the polarization direction, a case is provided for crimping and holding the center portion of the piezoelectric ceramic vibrator in the polarization direction, and storing the piezoelectric ceramic in a through part; A ceramic resonator comprising a metal cap inserted and fixed into at least one of the case openings from both sides of the case opening via a conductive elastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23013485A JPS6291012A (en) | 1985-10-16 | 1985-10-16 | Ceramic oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23013485A JPS6291012A (en) | 1985-10-16 | 1985-10-16 | Ceramic oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6291012A true JPS6291012A (en) | 1987-04-25 |
Family
ID=16903111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23013485A Pending JPS6291012A (en) | 1985-10-16 | 1985-10-16 | Ceramic oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6291012A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105711A (en) * | 1982-12-08 | 1984-06-19 | Fuji Sangyo Kk | Cylindrical piezoelectric oscillator |
-
1985
- 1985-10-16 JP JP23013485A patent/JPS6291012A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105711A (en) * | 1982-12-08 | 1984-06-19 | Fuji Sangyo Kk | Cylindrical piezoelectric oscillator |
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