JPH0281507A - Manufacture of piezoelectric ceramic resonator - Google Patents
Manufacture of piezoelectric ceramic resonatorInfo
- Publication number
- JPH0281507A JPH0281507A JP23260488A JP23260488A JPH0281507A JP H0281507 A JPH0281507 A JP H0281507A JP 23260488 A JP23260488 A JP 23260488A JP 23260488 A JP23260488 A JP 23260488A JP H0281507 A JPH0281507 A JP H0281507A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric ceramic
- circuit board
- printed circuit
- solvent
- wiring patterns
- 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 30
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 229910000679 solder Inorganic materials 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 2
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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、テレビジョン受像機やビデオテープレコーダ
等の映像機器およびステレオ等の音響機器に使用される
フィルタやトラップ素子、ならびにＩＣ，マイクロコン
ピュータのクロック信号発生用の発振子として利用され
る、圧電磁器振動板を用いた、圧電磁器共振子の製造方
法に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention is applicable to filters and trap elements used in video equipment such as television receivers and video tape recorders, and audio equipment such as stereos, as well as ICs and microcomputers. The present invention relates to a method of manufacturing a piezoelectric ceramic resonator using a piezoelectric ceramic diaphragm, which is used as an oscillator for generating a clock signal.
（従来の技術）
従来のこの種の圧電磁器共振子について、第２図により
説明する。(Prior Art) A conventional piezoelectric ceramic resonator of this type will be explained with reference to FIG.
同図は、従来の圧電磁器共振子の斜視断面図で。The figure is a perspective cross-sectional view of a conventional piezoelectric ceramic resonator.
圧電磁器共振子は、圧電磁器振動板１および２の表裏に
、それぞれ中央部で相対向するように両端から中央部に
掛けて形成した電極１ａと１ｂ、および２Ｑと２ｂを、
それぞれ、プリント基板３の表面に形成された配線パタ
ーン３ａ、３ｂおよび３ｃに。The piezoelectric ceramic resonator has electrodes 1a and 1b, and electrodes 2Q and 2b formed on the front and back sides of piezoelectric ceramic diaphragms 1 and 2, extending from both ends to the center so as to face each other in the center.
to wiring patterns 3a, 3b and 3c formed on the surface of printed circuit board 3, respectively.
半１．１又、工導電性接着剤４で接続固定し、さらに入
出力・用リード端子５および６とアース用リード端子７
をそれぞれ上記の配線パターン３ｉ、：３ｂおよび３Ｃ
の端子部に半田付けした後、−１＝記の圧電磁器振動板
１および２の振動を妨げないようにシリコンゴム等の緩
衝材８で被覆し、さらに、−上記のリード端子５，６お
よび７が外部に突出するようにエポキシ樹脂９で封止し
たものである。1.1 Also, connect and fix with electrically conductive adhesive 4, and then connect input/output lead terminals 5 and 6 and ground lead terminal 7.
the above wiring patterns 3i, :3b and 3C, respectively.
After soldering to the terminals of -1=, the piezoelectric ceramic diaphragms 1 and 2 are covered with a cushioning material 8 such as silicone rubber so as not to interfere with the vibration of the piezoelectric ceramic diaphragms 1 and 2, and further, -the lead terminals 5, 6 and 7 is sealed with epoxy resin 9 so as to protrude to the outside.
このように構成された圧電磁器共振子の製造方法につい
て説明する。A method of manufacturing a piezoelectric ceramic resonator configured in this manner will be described.
３木のＭＩＺ行する配線パターン３ａ、３ｂおよび３ｃ
が形成されたプリント基板３の表面に、２本の圧電磁器
振動板１および２を、それぞれ裏面の電極１ｂおよび２
ｂが中央の配線パターン３Ｃに接続されるように、半田
または導電性接着剤４で、電気的１機械的に接続固定す
る。入出力用リード端子５および６．ならびにアース用
リード端子７を、」〕記のプリント基板３の配線パター
ン３ａ。Three MIZ row wiring patterns 3a, 3b and 3c
Two piezoelectric ceramic diaphragms 1 and 2 are attached to the front surface of the printed circuit board 3 on which the
Electrically and mechanically connected and fixed using solder or conductive adhesive 4 so that b is connected to the central wiring pattern 3C. Input/output lead terminals 5 and 6. and the grounding lead terminal 7, according to the wiring pattern 3a of the printed circuit board 3.
３ｂおよび３ｃの端子部に半田付けする。Solder to the terminals 3b and 3c.
次に、シリコンゴム等のａｍ材８で、プリントノル板３
の全面を被覆した後、リード端子５，６および７の外部
端子部を除いて、エポキシ樹脂９でモールドし封止する
６
（発明が解決しようとする課題）
しかしながら、Ｊ−、記の製造方法では、圧１′！磁器
振動板１および２とプリント基板３の配線パターン３ａ
、３ｂおよび３ｃの接続に、導電性接着剤または半田４
を使用しているため、圧電磁器振動板１および２の裏面
の電極１ｂおよび２ｂと入出力用の配線パターン：３ａ
および３ｂの間で短絡を起して特性が出ないという問題
があった。また、圧電磁器振動板１および２の裏面と、
プリント基板３の表面との隙間が一定せず、隙間が小さ
過ぎて振動が妨げられ特性が悪くなるという問題もあっ
た。Next, with an am material 8 such as silicone rubber, print noll board 3
After covering the entire surface of the lead terminals 5, 6 and 7, except for the external terminal portions, the parts are molded and sealed with epoxy resin 9.6 (Problems to be Solved by the Invention) However, the manufacturing method described in J-. So, pressure 1'! Wiring pattern 3a of ceramic diaphragms 1 and 2 and printed circuit board 3
, 3b and 3c, conductive adhesive or solder 4
Since electrodes 1b and 2b on the back side of piezoelectric ceramic diaphragms 1 and 2 and input/output wiring pattern: 3a are used,
There was a problem in that a short circuit occurred between 3b and 3b, and the characteristics could not be obtained. In addition, the back surfaces of the piezoelectric ceramic diaphragms 1 and 2,
There was also the problem that the gap with the surface of the printed circuit board 3 was not constant and the gap was too small, which hindered vibration and deteriorated the characteristics.
本発明は上記の問題を解決するもので、安定した品ゲ′
ｒが、、Ｂ？られる圧電磁器共振子の製造方法を提供す
るものである。The present invention solves the above problems and provides stable product quality.
r is...B? The present invention provides a method for manufacturing a piezoelectric ceramic resonator.
（６題を解決するための手段）
」−記の問題を解決するため１本発明は、圧電磁器振動
板の接続に先立って、プリント」み板の配線パターンの
間で、圧？１１磁器振動板を取り付ける部分に、溶剤に
は帛解し、熱では融解しない絶縁性の物質を所定の厚さ
に塗布し、接続完了後に溶剤により除去するものである
。(Means for Solving Problem 6) In order to solve the problem described in ``1'', the present invention provides that, prior to the connection of the piezoelectric ceramic diaphragm, a pressure check is applied between the wiring patterns of the printed board. 11. An insulating material that dissolves in solvents but does not melt in heat is coated to a predetermined thickness on the part where the porcelain diaphragm is to be attached, and is removed with a solvent after the connection is completed.
（作 用）
１−記の構成により、圧電磁器振動板とプリン１一基板
の間に、常に所定の隙間を形成することができる。また
、絶縁性皮膜が半１１または導電性接着剤の流れを阻止
するので、短絡することがなくなる。(Function) With the configuration described in 1-, a predetermined gap can always be formed between the piezoelectric ceramic diaphragm and the printed circuit board 1. Further, since the insulating film prevents the flow of the semi-conductor 11 or the conductive adhesive, short circuits will not occur.
（実施例） 本発明の一実施例を第１図により説明する。(Example) An embodiment of the present invention will be described with reference to FIG.
同図は、プリント基板３に、２本の圧電磁器振動板１お
よび２と、；３本のリード端子５，６および７を接続固
定し終った段階を示す斜視図である。This figure is a perspective view showing a stage in which two piezoelectric ceramic diaphragms 1 and 2 and three lead terminals 5, 6, and 7 have been connected and fixed to a printed circuit board 3.
本発明による製造方法が、第２図に示した従来例と異な
る点は、プリント基板３の表面に配線パターン：１ ａ
＋ ３ ｂおよび３ｃを形成した後、配線パターン３ａ
、３ｂおよび３ｃの間で、それぞれ圧電磁８：÷振動板
１および２を装着する位置に、印刷技術等を用いて、溶
剤に溶解するが、熱では融解しない絶縁性の物質で、は
ぼ方形状の絶縁皮膜１０および１１を形成する点と、上
記絶縁皮膜１０および１１の表面に、圧電磁器振動板１
および２を、その電極１ｂおよび２ｂ面が密着するよう
に搭載して、半［１１または導電性接着剤４で接続固定
する点と、プリントＪ＆板コ３に３本のリード端子５，
６．および７も接続固定した段階で溶剤によって、上記
の絶縁皮膜１０および１１を除去する点である。The manufacturing method according to the present invention is different from the conventional example shown in FIG.
+ After forming 3b and 3c, wiring pattern 3a
, 3b and 3c, at the positions where the piezoelectric 8: ÷ diaphragms 1 and 2 are installed, using printing technology etc., an insulating material that dissolves in solvent but does not melt with heat, is insulated. A piezoelectric ceramic diaphragm 1 is formed at the points where the rectangular insulating films 10 and 11 are formed and on the surfaces of the insulating films 10 and 11.
and 2 are mounted so that the electrodes 1b and 2b surfaces are in close contact with each other, and are connected and fixed with semi-conductor 11 or conductive adhesive 4, and three lead terminals 5,
6. and 7, the above-mentioned insulating films 10 and 11 are removed using a solvent at the stage of connection and fixation.
絶縁皮膜１０および１１を除去した後、従来例と同じよ
うに、緩衝材８で被覆し、エポキシ樹脂９で封止すると
、第２図に示した従来例と同じ構造だが、圧電磁器振動
板１および２の裏面の電極１ｂおよび２ｂ面と、プリン
ト基板３の表面との間に所定の隙間が確保された圧電磁
器共振子が得られろ。After removing the insulating films 10 and 11, the piezoelectric ceramic diaphragm 1 is covered with a cushioning material 8 and sealed with an epoxy resin 9 as in the conventional example.The structure is the same as that of the conventional example shown in FIG. A piezoelectric ceramic resonator can be obtained in which a predetermined gap is secured between the electrodes 1b and 2b on the back surface of 2 and the front surface of the printed circuit board 3.
（発明の効果）
以と説明したように、本発明によれば、圧電磁器振動板
の裏面に必ず隙間が形成されるばかりでなく、短絡が防
１トできるので、特性の安定した圧電磁器共振子が得ら
れる。(Effects of the Invention) As explained above, according to the present invention, not only a gap is always formed on the back surface of the piezoelectric ceramic diaphragm, but also short circuits can be prevented, so piezoelectric resonance with stable characteristics can be achieved. You can have a child.
第１図は本発明による圧電磁器共振子の途中工程を示す
斜視図、第２図は従来の圧ｆＩ！磁器共振子の一部を切
り欠いて示した斜視断面図である。
１．２・・・圧電磁器振動板、 ｌａｗ ｌｂ。
２ａ、２ｂ・・・電極、 ３ ・・・プリント基板、３
ａ、３ｂ、３ｃ・・・配線パターン、 ４ ・・・半田
または導電性接着剤、 ５・・・入力用リード端子、
出力用リード端子、
アース用リード端子。
緩衝
材、
絶縁皮膜。
エポキシ樹脂、
１０゜FIG. 1 is a perspective view showing an intermediate process of the piezoelectric ceramic resonator according to the present invention, and FIG. FIG. 2 is a perspective cross-sectional view showing a partially cut away magnetic resonator. 1.2...piezoelectric ceramic diaphragm, law lb. 2a, 2b... Electrode, 3... Printed circuit board, 3
a, 3b, 3c...Wiring pattern, 4...Solder or conductive adhesive, 5...Input lead terminal, output lead terminal, grounding lead terminal. Cushioning material, insulation film. Epoxy resin, 10°
Claims (1)
間または金属製電極板の電極間に、溶剤には溶解するが
熱では融解しない絶縁性の物質で皮膜を形成し、表裏に
電極を設けた圧電磁器振動板を前記プリント基板の配線
パターンまたは金属製電極板の電極に導電性接着剤また
は半田を用いて電気的・機械的に接続固定した後、上記
の皮膜を溶剤にて除去する工程を有する圧電磁器共振子
の製造方法。A piezoelectric ceramic in which a film is formed between the wiring patterns of a printed circuit board with wiring patterns or between the electrodes of a metal electrode plate using an insulating material that dissolves in solvents but does not melt in heat, and electrodes are provided on the front and back sides. A piezoelectric device comprising the step of electrically and mechanically connecting and fixing the diaphragm to the wiring pattern of the printed circuit board or the electrode of the metal electrode plate using a conductive adhesive or solder, and then removing the film with a solvent. Method of manufacturing a magnetic resonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23260488A JPH0281507A (en) | 1988-09-19 | 1988-09-19 | Manufacture of piezoelectric ceramic resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23260488A JPH0281507A (en) | 1988-09-19 | 1988-09-19 | Manufacture of piezoelectric ceramic resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0281507A true JPH0281507A (en) | 1990-03-22 |
Family
ID=16941956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23260488A Pending JPH0281507A (en) | 1988-09-19 | 1988-09-19 | Manufacture of piezoelectric ceramic resonator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0281507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006039560A (en) * | 2004-07-26 | 2006-02-09 | Nexans | Optical fiber connector |
-
1988
- 1988-09-19 JP JP23260488A patent/JPH0281507A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006039560A (en) * | 2004-07-26 | 2006-02-09 | Nexans | Optical fiber connector |
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