JPS646590Y2 - - Google Patents
Info
- Publication number
- JPS646590Y2 JPS646590Y2 JP10997082U JP10997082U JPS646590Y2 JP S646590 Y2 JPS646590 Y2 JP S646590Y2 JP 10997082 U JP10997082 U JP 10997082U JP 10997082 U JP10997082 U JP 10997082U JP S646590 Y2 JPS646590 Y2 JP S646590Y2
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- lead terminal
- resonator
- terminals
- piezoelectric ceramic
- 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 26
- 239000003985 ceramic capacitor Substances 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案はICを組み合わせることにより発振回
路を構成することのできるセラミツク発振子に関
するもので、マイクロコンピユータ等の駆動又は
基準信号発生用等に使用するものである。[Detailed description of the invention] Industrial field of application The invention relates to a ceramic oscillator that can form an oscillation circuit by combining ICs, and is used for driving microcomputers, etc., or for generating reference signals. It is.
従来例の構成とその問題点
従来のセラミツク発振子は例えば第５図ａ，ｂ
に示すような円盤状又は方形状板の分極された圧
電磁器７の両面に部分、又は全面電極８を形成し
て成る圧電磁器共振子を第６図に示すようにプラ
スチツク等の保護用ケース９に内蔵し、電極両面
の中央部を凸部を有するバネ性の外部引出し用リ
ード端子１０，１０′で固定し、保護ケース９の
開口部を合成樹脂１１で封止した構造のものが多
かつた。このようなセラミツク発振子は第７図に
示す通りマイクロコンピユータ等の基準信号発生
用として、クロツクの機能を有するIC１２の端
子間に並列結合し、又共振子のそれぞれの端子と
アース間に結合容量１３，１３′を１個づつ接続
して発振回路を構成してマイクロコンピユータを
駆動させていた。しかしマイクロコンピユータで
は各部品は、より小型化されることが常に切望さ
れている。Conventional structure and its problems Conventional ceramic oscillators are shown in Figure 5 a and b, for example.
A piezoelectric ceramic resonator formed by forming electrodes 8 on both sides of a polarized piezoelectric ceramic 7 in the form of a disc or a rectangular plate as shown in FIG. 6 is enclosed in a protective case 9 made of plastic or the like as shown in FIG. Many of them have a structure in which the central part of both sides of the electrode is fixed with a springy external lead terminal 10, 10' having a convex part, and the opening of the protective case 9 is sealed with a synthetic resin 11. Ta. As shown in Figure 7, such a ceramic resonator is used for generating reference signals for microcomputers, etc., and is connected in parallel between the terminals of an IC12 that has a clock function, and also has a coupling capacitance between each terminal of the resonator and the ground. 13 and 13' were connected one by one to form an oscillation circuit to drive a microcomputer. However, in microcomputers, it is always desired that each component be made smaller.
考案の目的
本考案は従来の水晶発振子のように発振回路を
構成する場合に、別個にコンデンサを設ける必要
がなく、発振回路を容易に構成することができる
と共に部品の小型化を実現しようとするものであ
る。Purpose of the invention The present invention aims to simplify the construction of an oscillation circuit without requiring a separate capacitor when configuring an oscillation circuit like a conventional crystal oscillator, and to reduce the size of components. It is something to do.
考案の構成
円盤又は方形状板より成る１個の圧電磁器共振
子の一面側の一方端部方向に第１のリード端子の
端部を面接触し、前記圧電磁器共振子の他面側の
他方端部方向に第２のリード端子の端部を面接触
するよう配置する。この第１、第２の端子は外部
引出し用端子で帯状である。次に前記圧電磁器共
振子と第１、第２のリード端子を挾むように圧電
磁器共振子の両面から磁器コンデンサを積層し、
更にバネ性を有し且つ先端をクリツプ状に加工し
た第３のリード端子により、２個の磁器コンデン
サの電極間を第１、第２の端子に対して直角に挾
んで接続し固定した後、第１、第２、第３の端子
のみ延出して全体を合成樹脂保護層で被覆するこ
とにより共振子と容量とを一体化したセラミツク
発振子を構成している。Structure of the invention The end of the first lead terminal is in surface contact with one end of one surface of a piezoelectric ceramic resonator made of a disk or a square plate, and the end of the first lead terminal is brought into surface contact with the other end of the piezoelectric ceramic resonator on the other surface of the piezoelectric resonator. The ends of the second lead terminals are arranged so as to be in surface contact with each other in the end direction. The first and second terminals are external lead terminals and are strip-shaped. Next, a ceramic capacitor is laminated from both sides of the piezoelectric ceramic resonator so as to sandwich the piezoelectric ceramic resonator and the first and second lead terminals,
Furthermore, after connecting and fixing the electrodes of the two ceramic capacitors by sandwiching them at right angles to the first and second terminals using a third lead terminal having spring properties and having a clip-shaped tip, By extending only the first, second and third terminals and covering the entire body with a synthetic resin protective layer, a ceramic oscillator integrating a resonator and a capacitor is constructed.
実施例の説明
本考案の一実施例を示した図面に従つて説明す
る。１は方形状の圧電磁器共振子、２，２′は圧
電磁器共振子１と同じ方形状の磁器コンデンサ、
３，３′は帯状の第１、第２の外部引出し用リー
ド端子で、第１のリード端子３は圧電磁器共振子
１の一面側の一方端部方向に一端を面接触し、第
２のリード端子３′は圧電磁器共振子１の他面側
の他方端部方向に一端を面接触するよう配置され
ている。この第１、第２のリード端子３，３′を
介在して圧電磁器共振子１の両面より磁器コンデ
ンサ２，２′を積層する。４は先端をクリツプ状
に加工した第３の帯状リード端子で、バネ性を有
し前記クリツプ状部により前記の積層された圧電
磁器共振子１等を、２個の磁器コンデンサ２，
２′の電極間を挾むことにより固定している。更
に第１のリード端子３、第２のリード端子３′及
び第３のリード端子４のみを延出して全体を樹脂
モールド５によつて保護している。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. 1 is a square piezoelectric ceramic resonator, 2 and 2' are square ceramic capacitors that are the same as the piezoelectric ceramic resonator 1,
3 and 3' are band-shaped first and second lead terminals for external extraction, the first lead terminal 3 is in surface contact with one end toward one end of the piezoelectric ceramic resonator 1; The lead terminal 3' is arranged so that one end thereof is in surface contact with the other end of the piezoelectric ceramic resonator 1 on the other surface side. Ceramic capacitors 2 and 2' are laminated from both sides of the piezoelectric ceramic resonator 1 with the first and second lead terminals 3 and 3' interposed therebetween. Reference numeral 4 designates a third strip-shaped lead terminal whose tip is processed into a clip shape, which has spring properties and connects the laminated piezoelectric ceramic resonator 1, etc. with the two ceramic capacitors 2,
It is fixed by sandwiching between the electrodes 2'. Further, only the first lead terminal 3, the second lead terminal 3', and the third lead terminal 4 are extended, and the whole is protected by a resin mold 5.
上記のような構成によるセラミツク発振子は第
４図の発振回路に示すように附加コンデンサを内
蔵しており、発振回路を設計する場合、IC６に
直接、組み合わせることができる。 The ceramic oscillator configured as described above has an additional capacitor built-in as shown in the oscillation circuit of FIG. 4, and can be directly combined with the IC 6 when designing an oscillation circuit.
尚、樹脂モールドに代えて合成樹脂によつて成
型しても同様の作用効果を得ることができる。 Note that similar effects can be obtained by molding with synthetic resin instead of resin molding.
考案の効果
本考案によるセラミツク発振子は、発振回路を
構成する上で必要な附加コンデンサを内蔵してい
るので、使用する毎に発振回路を設計する必要が
なく、そのままICと組み合わせて発振回路を構
成することができ、附加コンデンサを含めて回路
の小型化、実装密度の向上に大きな特徴を有する
ものである。Effects of the invention The ceramic oscillator of this invention has built-in additional capacitors necessary for configuring an oscillation circuit, so there is no need to design an oscillation circuit each time it is used, and it can be used in combination with an IC to create an oscillation circuit. It has the great feature of reducing the size of the circuit including the additional capacitor and improving the packaging density.
第１図は本考案によるセラミツク発振子の分解
斜視図、第２図は同保護層被覆前の斜視図、第３
図は同完成品の斜視図、第４図は本考案品を用い
た発振回路の一例を示した回路図、第５図ａ，ｂ
は従来の圧電磁器共振子の斜視図、第６図は従来
のセラミツク発振子の断面図、第７図は従来の発
振子の回路図である。
１……圧電磁器共振子、２，２′……磁器コン
デンサ、３……第１のリード端子、３′……第２
のリード端子、４……第３のリード端子、５……
樹脂モールド。
Fig. 1 is an exploded perspective view of the ceramic oscillator according to the present invention, Fig. 2 is a perspective view of the ceramic oscillator before coating with a protective layer, and Fig. 3 is a perspective view of the ceramic oscillator according to the present invention.
The figure is a perspective view of the finished product, Figure 4 is a circuit diagram showing an example of an oscillation circuit using the product of the present invention, and Figures 5 a and b.
6 is a perspective view of a conventional piezoelectric resonator, FIG. 6 is a sectional view of a conventional ceramic oscillator, and FIG. 7 is a circuit diagram of a conventional oscillator. 1... Piezoelectric ceramic resonator, 2, 2'... Magnetic capacitor, 3... First lead terminal, 3'... Second
Lead terminal, 4...Third lead terminal, 5...
resin mold.
Claims (1)
子両面の互いに異なる端部方向に、帯状の外部引
出し用の第１又は第２のリード端子を各リード端
子の一方側端面が接触するよう配置し、圧電磁器
共振子の両面から第１及び第２のリード端子を挾
むように磁器コンデンサを積層し、更に先端をク
リツプ状に加工した第３のリード端子により、２
個の磁器コンデンサの電極間を第１、第２の端子
に対して直角に挾んで接続固定した後、全体を合
成樹脂製保護層で被覆したセラミツク発振子。 Band-shaped first or second lead terminals for external extraction are arranged in different end directions of both surfaces of a piezoelectric ceramic resonator made of a disk or a square plate so that one end surface of each lead terminal is in contact with each other. Then, ceramic capacitors are stacked so as to sandwich the first and second lead terminals from both sides of the piezoelectric ceramic resonator, and a third lead terminal whose tip is processed into a clip shape is used to connect the two leads.
A ceramic oscillator in which the electrodes of two ceramic capacitors are connected and fixed by sandwiching them at right angles to the first and second terminals, and then the whole is covered with a protective layer made of synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10997082U JPS5914415U (en) | 1982-07-19 | 1982-07-19 | ceramic resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10997082U JPS5914415U (en) | 1982-07-19 | 1982-07-19 | ceramic resonator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5914415U JPS5914415U (en) | 1984-01-28 |
| JPS646590Y2 true JPS646590Y2 (en) | 1989-02-21 |
Family
ID=30255954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10997082U Granted JPS5914415U (en) | 1982-07-19 | 1982-07-19 | ceramic resonator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5914415U (en) |
-
1982
- 1982-07-19 JP JP10997082U patent/JPS5914415U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5914415U (en) | 1984-01-28 |
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