JP2691201B2 - Crimping machine and crimping method - Google Patents
Crimping machine and crimping methodInfo
- Publication number
- JP2691201B2 JP2691201B2 JP4128840A JP12884092A JP2691201B2 JP 2691201 B2 JP2691201 B2 JP 2691201B2 JP 4128840 A JP4128840 A JP 4128840A JP 12884092 A JP12884092 A JP 12884092A JP 2691201 B2 JP2691201 B2 JP 2691201B2
- Authority
- JP
- Japan
- Prior art keywords
- crimping
- resistance value
- measuring
- head
- anisotropic conductive
- 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 - Lifetime
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Liquid Crystal (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、異方性導電膜により回
路基板を電気的に導通させ、接着する圧着機及び圧着方
法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crimping machine and crimping method for electrically conducting and bonding a circuit board with an anisotropic conductive film.
It is about the law .
【０００２】[0002]
【従来の技術】従来の圧着機では、圧着ヘッドとその圧
着ヘッドに内蔵されたヒータの温度と圧着ヘッドの圧力
と圧着ヘッドの圧着時間をコントロールする機能を有す
る構造が知られていた。2. Description of the Related Art In a conventional crimping machine, a structure having a function of controlling a temperature of a crimping head, a heater built in the crimping head, a pressure of the crimping head, and a crimping time of the crimping head has been known.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来の圧着機
では、下記の課題があった。 従来の圧着機で、２つの回路基板を異方性導電膜で接
続した製品の信頼性を環境試験を行い、その前後に観察
される異方性導電膜により接続される回路基板の接続抵
抗値の変化で評価していたため、信頼性を確保するヒー
タの温度と圧着ヘッドの圧力と圧着ヘッドの圧着時間な
どの圧着条件を決定するのに多大な時間を要していた。
また、製造過程において発生する異方性導電膜の電気接
続の不良品を検出する場合に、初期接続抵抗値と信頼性
との相関関係が明確にできないため、初期接続抵抗値か
らの不良品の管理が難しかった。However, the conventional crimping machine has the following problems. An environmental test was conducted on the reliability of a product in which two circuit boards were connected with an anisotropic conductive film using a conventional crimping machine, and the connection resistance value of the circuit boards connected by the anisotropic conductive film observed before and after that. Therefore, it took a lot of time to determine the pressure bonding conditions such as the temperature of the heater, the pressure of the pressure bonding head, and the pressure bonding time of the pressure bonding head for ensuring the reliability.
Further, when detecting a defective product of the electrical connection of the anisotropic conductive film that occurs during the manufacturing process, the correlation between the initial connection resistance value and the reliability cannot be clarified, so that the defective product from the initial connection resistance value cannot be detected. It was difficult to manage.
【０００４】回路基板の両面が透明基板でない場合、
異方性導電膜により電気接続した回路基板間の接続状態
を観察することができないため、圧着位置ずれなど不良
品の管理ができなかった。そこで、この発明の目的は、
従来のこのような課題を解決するため、圧着時に不良品
の管理を行うことができる圧着装置を提供することにあ
る。If both sides of the circuit board are not transparent,
Since it was not possible to observe the connection state between the circuit boards electrically connected by the anisotropic conductive film, it was not possible to manage defective products such as displacement of the crimping position. Therefore, an object of the present invention is to
In order to solve such a conventional problem, it is an object of the present invention to provide a crimping device capable of managing defective products during crimping.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に、この発明は、少なくともヒータが内蔵された圧着ヘ
ッドを有する圧着機において、圧着ヘッドで、２つ以上
の回路基板を異方性導電膜で電気接続することを目的と
して圧着するときに、圧着時又圧着直後の回路基板間の
接続抵抗値の変化量により不良品を管理する事ができる
ため、これを利用し圧着機に接続抵抗値の変化量を測定
する機能と、かつ、圧着直後の接続抵抗を測定する機能
を有する計測機と、圧着ヘッドの可動と連動し、かつ、
圧着ヘッドの受け台に内蔵する計測機の測定端子と、抵
抗の変化量と抵抗値により不良品と判断した時に作業者
に伝える警報装置とを有する構成とした。In order to solve the above-mentioned problems, the present invention provides a crimping machine having a crimping head having at least a heater built therein, in which two or more circuit boards are anisotropically conductive. When crimping for the purpose of electrical connection with a film, defective products can be managed by the amount of change in the connection resistance value between circuit boards during or immediately after crimping. A measuring instrument that has the function of measuring the amount of change in value and the function of measuring the connection resistance immediately after crimping, and is linked to the movement of the crimping head, and
It is configured to have a measuring terminal of a measuring instrument built into the cradle of the crimping head, and an alarm device for notifying an operator when the product is judged to be defective due to the amount of change in resistance and the resistance value.
【０００６】[0006]
【作用】上記のように構成された圧着ヘッドを有する圧
着機においては、圧着ヘッドで、２つ以上の回路基板を
異方性導電膜で電気接続することを目的として圧着する
ときに、圧着経過時間に従って２つ以上の回路基板間の
接続抵抗値の変化量を測定することにより、信頼を確保
した圧着条件を即座に判断できる。また、量産時におけ
る信頼性を確保しない不良品の管理を行うことができ
る。In the crimping machine having the crimping head configured as described above, when the crimping head is used to electrically connect two or more circuit boards with the anisotropic conductive film, the crimping process is performed. By measuring the amount of change in the connection resistance value between two or more circuit boards in accordance with the time, it is possible to immediately determine the pressure-bonding conditions that ensure reliability. In addition, it is possible to manage defective products that do not ensure reliability during mass production.
【０００７】圧着後の抵抗値を測定することにより、電
気接続する端子を有する回路基板のピッチ方向や、重な
り長さ方向の位置ずれによる接続抵抗値の低下も同時に
判断でき、良品、不良品を即座に判断できる。計測器の
測定端子を、圧着ヘッドの動きと連動させることや、圧
着ヘッドの受け台に内蔵することにより、自動化が容易
となる。抵抗の変化量と抵抗値により不良品と判断した
ものを、警報ランプや警報ブザーで作業者に伝えること
により、工程管理も容易となる。[0007] By measuring the resistance value after pressure bonding, electrostatic
Circuit board with terminals to be electrically connected
The decrease in connection resistance value due to the displacement in the length direction can be judged at the same time, and the good product and the defective product can be immediately judged. Automation can be facilitated by interlocking the measuring terminals of the measuring instrument with the movement of the crimping head or by incorporating it in the cradle of the crimping head. To tell that determines the amount of change in resistance by the resistance value to be defective, the operator in an alarm lamp or alarm buzzer
Thereby , the process control becomes easy.
【０００８】[0008]
【実施例】以下に、この発明の一実施例を図面に基づい
て説明する。この実施例は、熱硬化性異方性導電膜を用
いて、表面に回路が形成された回路基板とフレキシブル
基板を電気接続した例である。符号は共通なものは各図
面同一としてある。１は外部入力装置、２は圧着条件コ
ントロールユニット、３はプレスシリンダ、４はヒー
タ、５は圧着ヘッド、６は圧着ヘッド受け台、７は測定
端子移動装置、８は測定端子、９は抵抗測定機、１０は
警報装置、１１は表面に回路が形成された回路基板、１
２は熱硬化性異方性導電膜、１３はフレキシブル基板で
ある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In this example, a thermosetting anisotropic conductive film is used to electrically connect a circuit board having a circuit formed on its surface to a flexible board. Common reference numerals are the same in the drawings. 1 is an external input device, 2 is a crimping condition control unit, 3 is a press cylinder, 4 is a heater, 5 is a crimping head, 6 is a crimping head pedestal, 7 is a measuring terminal moving device, 8 is a measuring terminal, and 9 is resistance measurement. Machine, 10 is an alarm device, 11 is a circuit board having a circuit formed on the surface, 1
Reference numeral 2 is a thermosetting anisotropic conductive film, and 13 is a flexible substrate.
【０００９】圧着ヘッド５は、ヒータ４を内蔵してお
り、その上部は、プレスシリンダ３の先端に接続され、
測定機端子８は、測定機端子移動装置７と共に圧着ヘッ
ド受け台６に内蔵され、その後端は測定機９、警報装置
１０と接続され、圧着機を構成している。つぎに、この
構成による動作を説明する。The pressure bonding head 5 has a built-in heater 4, the upper part of which is connected to the tip of the press cylinder 3,
The measuring machine terminal 8 is built in the crimping head cradle 6 together with the measuring machine terminal moving device 7, and its rear end is connected to the measuring machine 9 and the alarm device 10 to form a crimping machine. Next, the operation of this configuration will be described.
【００１０】この構成で、外部入力１からの信号に従
い、圧着条件コントロールユニット２は、プレスシリン
ダ３の圧着圧力と圧着時間と、ヒータ４の温度とを制御
することによって、圧着ヘッド５の下降及び上昇を制御
している。また、表面に回路が形成された回路基板１１
が圧着ヘッド受け台６に設置されており、その電極部の
上に、熱硬化性異方性導電膜１２とフレキシブル基板１
３が置かれている。圧着ヘッド５の下降に従い、測定端
子移動装置７が測定端子８をフレキシブル基板１３の電
極端子に接続させる。圧着ヘッド５がフレキシブル基板
１３の上面から圧着した際に、抵抗測定機９が抵抗値を
測定し始める。そして、圧着ヘッド５が上昇してからも
３０sec 程度後まで、１秒おきに抵抗値を測定する。With this configuration, the crimping condition control unit 2 controls the crimping pressure and the crimping time of the press cylinder 3 and the temperature of the heater 4 according to the signal from the external input 1 to lower and lower the crimping head 5. It controls the rise. Also, a circuit board 11 having a circuit formed on its surface.
Is installed on the pressure-bonding head pedestal 6, and the thermosetting anisotropic conductive film 12 and the flexible substrate 1 are provided on the electrode portion.
Three are placed. As the pressure bonding head 5 descends, the measuring terminal moving device 7 connects the measuring terminal 8 to the electrode terminal of the flexible substrate 13. When the pressure bonding head 5 pressure-bonds from the upper surface of the flexible substrate 13, the resistance measuring machine 9 starts measuring the resistance value. Then, the resistance value is measured every 1 second until about 30 seconds after the pressure bonding head 5 is lifted.
【００１１】図２と図３は、測定結果例であり、縦軸は
接続抵抗値、横軸は圧着経過時間である。この例では、
圧着開始後３０sec 付近で圧着ヘッド５が上昇している
のだが、図２の場合ではヘッド上昇後６秒以内には抵抗
値の上昇が確認でき、この場合は信頼性が確保されない
ものである。このように抵抗値の上昇が認められる場
合、あるいは抵抗値が目標抵抗値に対して著しく大きい
場合に、警報装置１０で作業者に電気接続の不良を知ら
せる。抵抗値の上昇が認められない測定結果例は図３で
あり、警報装置１０が動作しない。2 and 3 show examples of measurement results, where the vertical axis is the connection resistance value and the horizontal axis is the pressure bonding elapsed time. In this example,
Although the crimping head 5 rises in the vicinity of 30 seconds after the start of the crimping, in the case of FIG. 2, an increase in the resistance value can be confirmed within 6 seconds after the head rises , and in this case, the reliability cannot be ensured. In this case the increase in resistance is observed, or if the resistance value is significantly larger with respect to the target resistance value, informing the defective electrical connection to the operator in the alarm system 10. FIG. 3 shows an example of the measurement result in which the resistance value is not increased, and the alarm device 10 does not operate.
【００１２】[0012]
【発明の効果】この発明は、以上説明したように、少な
くともヒータが内蔵された圧着ヘッドを有する圧着機に
おいて、圧着ヘッドで、２つ以上の回路基板を異方性導
電膜で電気接続することを目的として圧着するときに、
圧着経過時間に従い２つ以上の回路基板間の接続抵抗値
の変化量を測定する機能と、かつ、圧着直後の接続抵抗
変化を測定する機能を有する計測機と、圧着ヘッドの可
動と連動し、かつ、圧着ヘッドの受け台に内蔵する計測
機の測定端子と、抵抗の変化量と抵抗値により不良品と
判断した時に作業者に伝える警報装置と、を有する構成
としたのでいかに記載する効果を有する。As described above, according to the present invention, in a crimping machine having a crimping head having at least a heater built therein, two or more circuit boards are electrically connected by an anisotropic conductive film by the crimping head. When crimping for the purpose of
A measuring instrument that has a function of measuring the amount of change in the connection resistance value between two or more circuit boards according to the elapsed time of crimping, and a function of measuring the change in connection resistance immediately after crimping, and interlocking with the movement of the crimping head, In addition, since it is configured to have a measuring terminal of a measuring instrument built in the cradle of the crimping head and an alarm device that notifies the operator when it is judged as a defective product by the amount of change in resistance and the resistance value, how to describe the effect Have.
【００１３】圧着経過時間に従って２つ以上の回路基
板間の接続抵抗値の変化量を測定することにより、異方
性導電膜の熱硬化性接着剤の硬化状態が判断できるた
め、信頼を確保した圧着条件の条件だしが容易になっ
た。 圧着経過時間に従って２つ以上の回路基板間の接続抵
抗値の変化量を測定することにより、異方性導電膜の熱
硬化性接着剤の硬化状態が判断できるため、量産時にお
ける不良品の管理を行うことができるようになった。By measuring the amount of change in the connection resistance value between two or more circuit boards according to the elapsed time of crimping, the cured state of the thermosetting adhesive of the anisotropic conductive film can be judged, so that reliability is ensured. The crimping condition has become easier. By measuring the amount of change in the connection resistance value between two or more circuit boards according to the elapsed time of crimping, the cured state of the thermosetting adhesive of the anisotropic conductive film can be judged. You can now do.
【００１４】圧着後の抵抗値を測定することにより、
位置ずれによる接続抵抗の増加も同時に判断でき、良
品、不良品を即座に判断できるようになった。 計測機の測定端子は、圧着ヘッドの可動と連動するこ
とや、圧着ヘッドの受け台に内蔵することにより、自動
化が容易となった。 抵抗の変化量と抵抗値により不良品と判断したもの
は、警報ランプや警報ブザーで作業者に伝え、工程管理
も容易となった。By measuring the resistance value after crimping,
At the same time, it is possible to determine the increase in connection resistance due to the positional deviation, and it is now possible to immediately determine whether the product is a good product or a defective product. The measuring terminal of the measuring machine is linked with the movement of the crimping head and is built into the cradle of the crimping head, which facilitates automation. If a product is judged to be defective based on the amount of change in resistance and the resistance value, it is notified to the worker by an alarm lamp or alarm buzzer, and the process management becomes easier.
【図１】本発明に係わる圧着機のシステムブロック図で
ある。FIG. 1 is a system block diagram of a crimping machine according to the present invention.
【図２】本発明による実施例の接続抵抗値の測定結果の
グラフである。FIG. 2 is a graph of measurement results of connection resistance values of examples according to the present invention.
【図３】本発明による実施例の接続抵抗値の測定結果の
グラフである。FIG. 3 is a graph of measurement results of connection resistance values of examples according to the present invention.
１ 外部入力装置 ２ 圧着条件コントロールユニット ３ プレスシリンダ ４ ヒータ ５ 圧着ヘッド ６ 圧着ヘッド受け台 ７ 測定端子移動装置 ８ 測定端子 ９ 抵抗測定機 １０ 警報装置 １１ 表面に回路が形成された回路基板 １２ 熱硬化性異方性導電膜 １３ フレキシブル基板 1 External Input Device 2 Crimping Condition Control Unit 3 Press Cylinder 4 Heater 5 Crimping Head 6 Crimping Head Catch 7 Measuring Terminal Moving Device 8 Measuring Terminal 9 Resistance Measuring Machine 10 Alarm Device 11 Circuit Board with a Circuit Formed on Its Surface 12 Thermosetting Anisotropic conductive film 13 Flexible substrate
Claims (4)
に、回路基板を載置するための圧着受け台と、ヒータが
内蔵された圧着ヘッドとを有し、各々の回路基板の電極
を互いに対向させてなる接続部を前記圧着ヘッドにより
圧着する圧着機において、圧着中の接続部の抵抗値と圧着終了後の接続部の抵抗値
とを測定する抵抗値測定手段を備える ことを特徴とする
圧着機。1. For electrically connecting a plurality of circuit boards
To a crimping cradle for mounting the circuit board, and a bonding head that the heater is built, each circuit board of the electrodes
In the crimping machine for crimping the connecting portions formed by facing each other with the crimping head, the resistance value of the connecting portion during crimping and the resistance value of the connecting portion after completion of the crimping
A crimping machine comprising resistance value measuring means for measuring and.
の接続部の抵抗値と熱圧着終了後の接続部の抵抗値との
変化量に基づいて、前記異方性導電剤の硬化状態を判定
する判定手段を備えることを特徴とする請求項１に記載
の圧着機。 2. During thermocompression bonding measured by the resistance value measuring means.
Between the resistance value of the connection part and the resistance value of the connection part after thermocompression bonding.
Determine the curing state of the anisotropic conductive agent based on the amount of change
The determining means for performing is provided, The claim 1 characterized by the above-mentioned.
Crimping machine.
圧着受け台もしくは圧着ヘッドと連動して可動する測定
端子移動装置に設けられたことを特徴とする請求項１ま
たは２に記載の圧着機。 3. The measuring terminal of the resistance value measuring means comprises:
Measurement that moves in conjunction with the crimp cradle or crimp head
The terminal moving device is provided on the terminal moving device.
Or the crimping machine described in 2.
導電膜により接続するための圧着方法であって、 対向する回路基板間の接続電極部に設けられた異方性導
電膜に加熱と加圧を同時に行う圧着工程を備えるととも
に、 前記異方性導電膜の硬化状態を判定するために、圧着工
程中の接続部の抵抗値と圧着工程終了後の接続部の抵抗
値とを測定することを特徴とする圧着方法。 4. Anisotropic electrodes of circuit boards facing each other
A method of crimping for connection by a conductive film, which comprises an anisotropic conductive material provided on a connecting electrode portion between opposing circuit boards.
It is equipped with a pressure bonding process that heats and pressurizes the membrane at the same time.
In order to determine the cured state of the anisotropic conductive film,
Resistance value of connection part in the middle and resistance of connection part after completion of crimping process
A crimping method characterized by measuring a value and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4128840A JP2691201B2 (en) | 1992-04-27 | 1992-05-21 | Crimping machine and crimping method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4-108156 | 1992-04-27 | ||
| JP10815692 | 1992-04-27 | ||
| JP4128840A JP2691201B2 (en) | 1992-04-27 | 1992-05-21 | Crimping machine and crimping method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6288332A Division JP2654762B2 (en) | 1994-11-22 | 1994-11-22 | Crimping method and crimping machine for anisotropic conductive agent containing thermosetting resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0611725A JPH0611725A (en) | 1994-01-21 |
| JP2691201B2 true JP2691201B2 (en) | 1997-12-17 |
Family
ID=26448102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4128840A Expired - Lifetime JP2691201B2 (en) | 1992-04-27 | 1992-05-21 | Crimping machine and crimping method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2691201B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2654762B2 (en) * | 1994-11-22 | 1997-09-17 | セイコー電子工業株式会社 | Crimping method and crimping machine for anisotropic conductive agent containing thermosetting resin |
| US5595618A (en) * | 1995-04-03 | 1997-01-21 | Kimberly-Clark Corporation | Assembly process for a laminated tape |
| US5549592A (en) * | 1995-04-03 | 1996-08-27 | Kimberly-Clark Corporation | Absorbent article with a laminated tape |
-
1992
- 1992-05-21 JP JP4128840A patent/JP2691201B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611725A (en) | 1994-01-21 |
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