JPS6392113A - Manufacture of ultrasonic delay line - Google Patents
Manufacture of ultrasonic delay lineInfo
- Publication number
- JPS6392113A JPS6392113A JP23835786A JP23835786A JPS6392113A JP S6392113 A JPS6392113 A JP S6392113A JP 23835786 A JP23835786 A JP 23835786A JP 23835786 A JP23835786 A JP 23835786A JP S6392113 A JPS6392113 A JP S6392113A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- pressure
- glass medium
- delay line
- pressure application
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000011521 glass Substances 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 229920001187 thermosetting polymer Polymers 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003892 spreading 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、超音波遅延線において、圧電素子とガラス媒
体とを均一な圧力により、貼り合せ接合する際に有効な
貼り合せ方法による超音波遅延線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 provides an ultrasonic delay line using an effective bonding method for bonding a piezoelectric element and a glass medium with uniform pressure in an ultrasonic delay line. The present invention relates to a manufacturing method.
従来の技術
従来のこの種の超音波遅延線の製造方法は、第３図及び
第４図ａ、 ｂに示すような方法であった。2. Description of the Related Art A conventional method for manufacturing this type of ultrasonic delay line was as shown in FIGS. 3 and 4 a and b.
第３図、第４図ａ、ｂにおいて、ガラス媒体１上の貼り
合せ面には、予め熱硬化性樹脂２を塗布した圧電素子３
が所定の位置にセットされており、弾力性シート４が押
え加圧板５との間に置かれているものとする。前記押え
加圧板５の加圧表面は平面度が高く加工されており、凸
凹はないものである。この状態で押えシャフト６から押
え加圧板５を介して貼り合せ方向へ外力が働い次とき弾
力性シートは変形することになり、第４図ａのような形
状となる。この状態を維持したまま加熱することにより
、熱硬化性樹脂は一定の圧力で圧電素子とガラス媒体と
の間で薄く拡がり、一定時間経過後はその厚みを維持し
て硬化し、結果として圧電素子３とガラス媒体１は貼り
合せされるものである。第４図すは圧電素子３の面に熱
硬化性樹脂２の拡がり状態を示す図である。In FIGS. 3 and 4a and 4b, a piezoelectric element 3 is coated with a thermosetting resin 2 in advance on the bonding surface on the glass medium 1.
is set at a predetermined position, and the elastic sheet 4 is placed between it and the pressing plate 5. The pressurizing surface of the presser pressurizing plate 5 is processed to have high flatness and has no unevenness. In this state, an external force acts in the bonding direction from the presser shaft 6 via the presser presser plate 5, and the elastic sheet is then deformed into a shape as shown in FIG. 4a. By heating while maintaining this state, the thermosetting resin spreads thinly between the piezoelectric element and the glass medium under a certain pressure, and after a certain period of time it hardens while maintaining its thickness, resulting in the piezoelectric element 3 and the glass medium 1 are to be bonded together. FIG. 4 is a diagram showing the state in which the thermosetting resin 2 is spread on the surface of the piezoelectric element 3.
発明が解決しようとする問題点
以上の従来の方法によると、圧電素子３とガラス媒体１
との間に介在する熱硬化性樹脂２は加圧カフの大きさに
よって、その膜厚寸法が決定されることになるが、この
とき弾力性シート４は圧電素子３の端面付近において同
素子の周囲へ逃げようとする力が働き、中央部付近の加
圧力と比較すると、単位面積当りの圧力は小さくなって
しまうことになる。つまり圧電素子３中央部付近の熱硬
化性樹脂の膜厚寸法は小さく、同素子周囲近傍では犬き
くなってしまい均一な貼り合せ状態をつ〈シ出すことは
できないという問題があった。更に加圧力を上げて全体
的に均一な膜厚寸法を得ようとすると圧電素子３並びに
ガラス媒体１を損傷する欠点があった。According to the conventional method described above, the piezoelectric element 3 and the glass medium 1
The thickness of the thermosetting resin 2 interposed between the piezoelectric element 3 and the piezoelectric element 3 is determined by the size of the pressure cuff. A force tries to escape to the periphery, and the pressure per unit area becomes smaller compared to the pressing force near the center. In other words, the film thickness of the thermosetting resin near the center of the piezoelectric element 3 is small, and it becomes thicker near the periphery of the piezoelectric element, making it impossible to achieve a uniform bonded state. If an attempt was made to further increase the pressure to obtain an overall uniform film thickness, there was a drawback that the piezoelectric element 3 and the glass medium 1 would be damaged.
本発明はこのような問題点を解決するもので、圧電素子
並びにガラス媒体に損傷を与えることなく、且つ熱硬化
性樹脂の膜厚寸法を均一にすることを目的とするもので
ある。The present invention is intended to solve these problems, and aims to make the film thickness of the thermosetting resin uniform without damaging the piezoelectric element and the glass medium.
問題点を解決するための手段
前記問題点を解決するために本発明は、押え加圧板の加
圧部分に凸凹を加工形成させ、加圧力によって歪んでき
た弾力性シートを部分的に吸収あるいは加工して均一化
のはかる（のである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention processes and forms unevenness on the pressurizing part of the presser press plate, and partially absorbs or processes the elastic sheet that has been distorted by the pressurizing force. This is how we measure uniformity.
作用
この構成により、圧電素子への加圧は均一化される方向
にあり、従って熱硬化性樹脂の膜厚寸法を整える作用を
するものである。Function: With this configuration, the pressure applied to the piezoelectric element is made uniform, and therefore the film thickness of the thermosetting resin is adjusted.
実施例 以下本発明の一実施例を第１図及び第２図ａ。Example An embodiment of the present invention will be described below with reference to FIGS. 1 and 2a.
ｂを用いて説明する。尚、第１図、第２図中の番号は第
３図、第４図に示す部分と同一部品の場合、同一番号を
付している。今、第１図に示すように凹凸部を有する押
え加圧板１５が弾力性シート４を介して圧電素子３をガ
ラス媒体１に加圧しようとするとき、その圧電素子３と
ガラス媒体１との間には熱硬化性樹脂２が予め塗布され
ており、且つ貼り合せ位置も所定のところへ位置決めさ
れているものとする。押え加工板１６は素子幅寸法より
も大きく、その凸凹部分はある一定のピッチで形成さｎ
ている。加圧カフが押えシャフト６から押え加圧板１６
を介して伝えられたとき、第２図ａの如く弾力性シート
４は凹凸に沿って各々外力に低い方へ逃げようとする。This will be explained using b. It should be noted that the numbers in FIGS. 1 and 2 are the same as those shown in FIGS. 3 and 4 if they are the same parts. Now, as shown in FIG. 1, when the presser pressure plate 15 having an uneven portion attempts to press the piezoelectric element 3 against the glass medium 1 via the elastic sheet 4, the pressure between the piezoelectric element 3 and the glass medium 1 is It is assumed that the thermosetting resin 2 is applied in advance between the two, and the bonding position is also positioned at a predetermined position. The holding plate 16 is larger than the element width dimension, and its uneven portions are formed at a certain pitch.
ing. The pressure cuff is connected from the presser shaft 6 to the presser presser plate 16.
When the force is transmitted through the external force, the elastic sheet 4 tries to escape from the external force to the lower side along the unevenness as shown in FIG. 2a.
このとき凸凹部のピッチは一定間隔で形成されているた
め、やがてはこれら分散した力は釣合うことになり結果
として圧電素子３をガラス媒体１へ均等な圧力で押える
ことになる。従って第２図すのように素子形状に近似し
た加工面積をつくり出すことができ、第４図すのように
素子形状の端面近傍の空白を残さず一様に加圧貼り合せ
できるものである。第２図すは圧電素子３の面に熱硬化
性樹脂２の拡がり状態を示す図である。At this time, since the pitches of the concave and convex portions are formed at regular intervals, these dispersed forces eventually balance out, and as a result, the piezoelectric element 3 is pressed against the glass medium 1 with uniform pressure. Therefore, as shown in FIG. 2, it is possible to create a processing area that approximates the element shape, and as shown in FIG. 4, it is possible to pressurize and bond uniformly without leaving any blanks near the end faces of the element shape. FIG. 2 is a diagram showing a state in which the thermosetting resin 2 is spread on the surface of the piezoelectric element 3.
発明の効果
以上のように本発明は、超音波遅延線で圧電素子とガラ
ス媒体と加圧力によって接合接着剤を伸ばして、一定の
膜厚寸法を得ようとするとき、その膜厚寸法のバラツキ
によって不都合が生じ、何んらかの均一加圧方法を必要
とする場合に、有効な方法であり、膜厚寸法のバラツキ
の少ない均一な加工ができるという効果が得られる。Effects of the Invention As described above, the present invention eliminates variations in film thickness when attempting to obtain a constant film thickness by stretching a bonding adhesive between a piezoelectric element and a glass medium using an ultrasonic delay line and applying pressure. This is an effective method when some kind of uniform pressurization method is required due to inconvenience caused by the process, and it is possible to achieve the effect of uniform processing with less variation in film thickness dimension.
第１図は本発明の一実施例による超音波遅延線の製造方
法を示す斜視図、第２図ａは同実施例による加圧状態を
示す正面図、第２図すは同実施例により加圧された熱硬
化性樹脂の拡がり面積を示す平面図、第３図は従来の方
法を示す斜視図、第４図ａは従来例による加圧状態を示
す正面図、第４図すは同従来例により加圧された熱硬化
性樹脂の拡がり面積を示す平面図である。
１・・・・・・ガラス媒体、２・・・・・・熱硬化性樹
脂、３・・・・・・圧電素子、４・・・・・・弾力性シ
ート、６・・・・・・押えシャフト、１５・・・・・・
凸凹部を有する加圧板。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名計−
氏歌系仔
第 １ 図 ４−”−５手ｐボ
Ｌンート６−一一オ甲文−シζマット
１５− 凸凹台ｐを有するカ０斥版
３ ？
第 ２ 図
第３図
第 ４ 図
（α）FIG. 1 is a perspective view showing a method for manufacturing an ultrasonic delay line according to an embodiment of the present invention, FIG. 2a is a front view showing a pressurized state according to the same embodiment, and FIG. FIG. 3 is a perspective view showing the conventional method; FIG. 4 a is a front view showing the pressurized state according to the conventional method; FIG. It is a top view which shows the spreading area of the thermosetting resin pressurized by example. 1... Glass medium, 2... Thermosetting resin, 3... Piezoelectric element, 4... Elastic sheet, 6... Presser shaft, 15...
Pressure plate with uneven parts. Name of agent: Patent attorney Toshio Nakao and 1 other person in total.
Ujika series No. 1 Fig. 4-"-5 hand p-bont 6-11o kobun-si ζ mat 15- Ka0-ban version 3 with uneven base p? Fig. 2 Fig. 3 Fig. 4 (α)
Claims (1)
用いて貼り合せ加工する際に、加圧する表面に凸凹部に
加工形成した押え加圧板と、前記圧電素子との間に弾力
性を有するシートを介して、ガラス媒体表面に均一な圧
力で貼り合せることを特徴とする超音波遅延線の製造方
法。When bonding a piezoelectric element and a glass medium using an adhesive such as a thermosetting resin, elasticity is created between the piezoelectric element and a presser plate whose surface to be pressed is formed with uneven parts. 1. A method for producing an ultrasonic delay line, which comprises bonding the ultrasonic delay line to the surface of a glass medium with uniform pressure via a sheet containing the same material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23835786A JPS6392113A (en) | 1986-10-07 | 1986-10-07 | Manufacture of ultrasonic delay line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23835786A JPS6392113A (en) | 1986-10-07 | 1986-10-07 | Manufacture of ultrasonic delay line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6392113A true JPS6392113A (en) | 1988-04-22 |
Family
ID=17028987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23835786A Pending JPS6392113A (en) | 1986-10-07 | 1986-10-07 | Manufacture of ultrasonic delay line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6392113A (en) |
-
1986
- 1986-10-07 JP JP23835786A patent/JPS6392113A/en active Pending
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