JP4032961B2 - Adhesive tape connection method - Google Patents

Adhesive tape connection method Download PDF

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Publication number
JP4032961B2
JP4032961B2 JP2002370623A JP2002370623A JP4032961B2 JP 4032961 B2 JP4032961 B2 JP 4032961B2 JP 2002370623 A JP2002370623 A JP 2002370623A JP 2002370623 A JP2002370623 A JP 2002370623A JP 4032961 B2 JP4032961 B2 JP 4032961B2
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Japan
Prior art keywords
adhesive tape
reel
adhesive
end portion
wound
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JP2004200605A (en
Inventor
俊之 柳川
正己 湯佐
征宏 有福
功 塚越
泰史 後藤
直樹 福嶋
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Showa Denko Materials Co Ltd
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Hitachi Chemical Co Ltd
Showa Denko Materials Co Ltd
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Priority to JP2002370623A priority Critical patent/JP4032961B2/en
Application filed by Hitachi Chemical Co Ltd, Showa Denko Materials Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to CN2008102146483A priority patent/CN101402832B/en
Priority to KR1020087019045A priority patent/KR20080075565A/en
Priority to CNB038180847A priority patent/CN100548840C/en
Priority to CN2008102146479A priority patent/CN101402423B/en
Priority to TW097143991A priority patent/TW200913829A/en
Priority to TW092120892A priority patent/TW200409405A/en
Priority to KR1020097017836A priority patent/KR100970800B1/en
Priority to PCT/JP2003/009694 priority patent/WO2004011356A1/en
Priority to TW097143988A priority patent/TW200913828A/en
Priority to CN2008102146498A priority patent/CN101417758B/en
Priority to CN201410378540.3A priority patent/CN104152075B/en
Priority to CN2010102460213A priority patent/CN101905817B/en
Priority to KR1020107001127A priority patent/KR100953011B1/en
Priority to CN2010102345094A priority patent/CN101920862B/en
Priority to CN2009101730706A priority patent/CN101648658B/en
Priority to CN 201110456093 priority patent/CN102556726A/en
Priority to TW097143987A priority patent/TW200913827A/en
Priority to KR1020087005685A priority patent/KR100981478B1/en
Priority to TW096139425A priority patent/TW200823137A/en
Priority to KR1020067012942A priority patent/KR100690379B1/en
Priority to KR1020067012929A priority patent/KR100700438B1/en
Priority to KR1020077011959A priority patent/KR20070063606A/en
Priority to KR1020107007008A priority patent/KR20100041890A/en
Priority to KR1020087012294A priority patent/KR20080064886A/en
Priority to CN2010102345395A priority patent/CN101920863B/en
Publication of JP2004200605A publication Critical patent/JP2004200605A/en
Publication of JP4032961B2 publication Critical patent/JP4032961B2/en
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【０００１】
【発明の属する技術分野】
本発明は、電子部品と回路基板、又は回路基板同士を接着固定すると共に、両者の電極同士を電気的に接続する接着材テープに関し、特にリール状に巻かれた接着材テープの接続方法に関する。
【０００２】
【従来の技術】
一般に、液晶パネル、ＰＤＰ（プラズマディスプレイパネル）、ＥＬ（蛍光ディスプレイ）パネル、ペアチップ実装などの電子部品と回路基板、回路基板同士を接着固定し、両者の電極同士を電気的に接続する方法として、接着材テープが用いられている。
特許文献１には、基材に接着材が塗布された接着材テープをリール状に巻き取ったものが開示されている。
この種の従来の接着材テープは、幅が１〜３ｍｍ程度であり、リールに巻き取るテープの長さは５０ｍ程度である。
接着材テープを接着装置に装着する場合、接着材テープのリール（以下、単に「接着材リールという」）を接着装置に取り付け、接着材テープの始端部を引き出して、巻取りリールに取り付ける。そして、接着材リールから巻き出された接着材テープの基材側から加熱加圧ヘッドで接着剤を回路基板等に圧着し、残った基材を巻取りリールに巻き取っている。
そして、接着材リールの接着材テープが終了すると、終了したリールと、基材を巻き取った巻取りリールを外し、新たな巻取りリールと新たな接着材リールを接着装置に装着し、接着材テープの始端を巻取りリールに取り付けている。
【０００３】
【特許文献１】
特開２００１−２８４００５号公報
【０００４】
【発明が解決しようとする課題】
しかし、近年のＰＤＰ等におけるパネル画面の大型化にともない回路基板の接着面積が増大し、一度に使用する接着剤の使用量が増加してきた。また、接着剤の用途も拡大したため、接着剤の使用量が増加してきた。このため、電子機器の製造工場では、接着材リールの交換頻度が多くなり、接着材リールの交換に手間がかかるため電子機器の生産効率の向上が図れないという問題がある。
かかる問題に対して、リールに巻き取る接着材テープの巻き数を多くすることで、１リール当りの接着剤量を増やし、リールの交換頻度を低減することが考えられるが、接着材テープのテープ幅が１〜３ｍｍと狭いため、巻き数を多くすると巻き崩れが生じるおそれがある。また、巻き数を多くするとテープ状に巻いた接着材テープに作用する圧力が高くなり接着剤がテープの両幅から染み出してブロッキングの原因になるおそれがある。
更に、接着材テープの巻き数を増やすと、リールの径寸法も大きくなり、既存の接着装置に装着し難く、既存の接着装置が使用できなくなるおそれがある。
そこで、本発明は、接着材リールの交換が簡単にでき、電子機器の生産効率の向上を図ることができる接着材テープの接続方法の提供を目的とする。
【０００５】
【課題を解決するための手段】
前記課題を解決するために、請求項１に記載された発明は、電極接続用の接着剤が基材に塗布された、一方のリールに巻いた一方の接着材テープと他方のリールに巻いた他方の接着材テープとを接続する接着材テープの接続方法であって、一方の接着材テープの終端部と、他方の接着材テープの始端部とを重ね合わせ、両者の重ね合わせ部分に係止ピンを挿入して接続することを特徴とする。
この請求項１に記載の発明では、巻出しが終了した接着材テープの終端部と、新たに装着する接着材テープの始端部とを係止ピンで固定するので、接続が簡単である。また、新たな接着材リールの交換毎に巻取りテープの交換や新規接着材テープの始端を巻取りリールに取り付ける作業、所定の経路にガイドピン等の設定作業が必要ないので、新しい接着材リールの交換時間が少なくて済み、電子機器の生産効率が高まる。
【０００６】
請求項２に記載された発明は、電極接続用の接着剤が基材に塗布された、一方のリールに巻いた一方の接着材テープと他方のリールに巻いた他方の接着材テープとを接続する接着材テープを、係止部材を用いて接続する接着材テープの接続方法であって、係止部材は一方及び他方の端部に設けた爪部と爪部間に設けた弾性部材とを備えており、一方の接着材テープの終端部と他方の接着材テープの始端部とを突き合わせ、係止部材の一端に設けた爪部を一方の接着材テープの終端部に係止し、他端に設けた爪部を他方の接着材テープの始端部に係止して、両方の爪部を弾性部材で引き寄せていることを特徴とする。
この請求項２に記載の発明によれば、一方の接着材テープの終端部に係止部材の一方の爪部を係止し、その後に係止部材の他方の爪部を他方の接着材テープの始端部に係止して両者を互いに接続するので、接続が容易である。また、一方の爪部と他方の爪部との間に弾性部材を備えているので、弾性部材が伸びて係止部材の他方の爪部を他方の接着材テープの始端部の任意の位置に係止することができるので、接続の自由度が高い。
また、一方の接着材テープの終端部と他方の接着材テープの始端部とを突き合わせた状態で接続するので、互いのテープを重ね合せる必要がなく、必要最小限の位置で接続できるので接着材テープの無駄を防止できる。
【０００７】
請求項３に記載された発明は、電極接続用の接着剤が基材に塗布された、一方のリールに巻いた一方の接着材テープと他方のリールに巻いた他方の接着材テープとを接続する接着材テープの接続方法であって、一方の接着材テープの終端部と、他方の接着材テープの始端部とを重ね合わせ、両者の重ね合わせ部分を横断面略コ字状の弾性変形可能なクリップで挟んで固定することを特徴とする。
この請求項３に記載の発明によれば、一方の接着材テープの終端部と他方の接着材テープの始端部の重ね合わせ部分をクリップで挟むだけで接続できるので、接続作業が容易である。
【０００８】
請求項４に記載された発明は、一方の接着材テープと他方の接着材テープとの重ね合わせ部分を、一方の接着材テープと他方の接着材テープとの重ね合わせ部分を横断面略断面コ字状の金属製の挟持片で挟み、重ね合わせ部分の両面側から挟持片を押しつぶして両者を接続することを特徴とする。
この請求項４に記載の発明によれば、重ね合わせ部分の両面から挟持片を押しつぶして両者を接続するので、接着材テープの重ね合わせ部分の接続強度を高めることができる。
【０００９】
【発明の実施の形態】
以下に添付図面を参照しながら本発明の実施の形態について説明するが、まず図１〜図４を参照して本発明の第１実施の形態について説明する。図１は第１実施の形態にかかる接着材テープの接続方法を示す図であり、（ａ）は接着材リール同士の接続を示す斜視図であり、（ｂ）は（ａ）における接続部分の接続方法を示す斜視図であり、（ｃ）は（ａ）における接続部分の平面図であり、図２は接着装置における接着剤の圧着工程を示す概略図であり、図３は回路基板同士の接着を示す断面図であり、図４は接着材テープの製造方法を示す工程図である。
【００１０】
接着材テープ１はリール３、３ａにそれぞれ巻かれており、各リール３、３ａには巻き芯５と接着材テープ１の両幅側に配置した側板７とが設けられている。本実施の形態では、接着材テープ１は長さが約５０ｍであり、幅Ｗが約５ｍｍである。
接着材テープ１は、基材９と、基材９の一側面に塗布された接着剤１１とから構成されている。
基材９は、強度及び異方導電材を構成する接着剤の剥離性の面からＯＰＰ(延伸ポリプロピレン)、ポリテトラフルオロエチレン、シリコーン処理したＰＥＴ(ポリエチレンテレフタレート)などを用いるが、これらに制限するものではない。
接着剤１１は、熱可塑性樹脂、熱硬化性樹脂、または熱可塑性樹脂と熱硬化性樹脂の混合系、ホットメルト系が用いられている。かかる樹脂の代表的なものには熱可塑性樹脂系としてスチレン樹脂系、ポリエステル樹脂系があり、また熱硬化性樹脂系としてはエポキシ樹脂系、ビニルエステル系樹脂、アクリル樹脂系、シリコーン樹脂系が用いられる。
接着剤１１には、導電粒子１３が分散されている。導電粒子１３としては、Ａｕ，Ａｇ，Ｐｔ，Ｎｉ，Ｃｕ，Ｗ，Ｓｂ、Ｓｎ，はんだなどの金属粒子やカーボン、黒鉛などがあり、これら及び非導電性のガラス、セラミックス、プラスチック等の高分子核材等に、前記した導電層を被覆等により形成したものでもよい。さらに前記したような導電粒子を絶縁層で被覆してなる絶縁被覆粒子や、導電粒子と絶縁粒子の併用等も適用可能である。はんだ等の熱溶融金属や、プラスチック等の高分子核材に導電層を形成したものは、加熱加圧もしくは加圧により変形性を有し、接続後の電極間の距離が減少し、接続時に回路との接触面積が増加し信頼性が向上するので好ましい。特に高分子類を核とした場合、はんだのように融点を示さないので軟化の状態を接続温度で広く制御でき、電極の厚みや平坦性のばらつきに対応し易い接続部材が得られるのでより好ましい。
【００１１】
次に、本実施の形態にかかる接着材テープの使用方法について説明する。図２に示すように、接着装置１５に接着材テープ１のリール３ａと、巻取りリール１７とを装着し、リール３ａに巻いた接着材テープ１の先端をガイドピン２２に掛けて巻取りリール１７に取り付け、接着材テープ１を繰り出す（図２中矢印Ｅ）。そして、回路基板２１上に接着材テープ１を配置して、両リール３、１７間に配置された加熱加圧ヘッド１９で接着材テープ１を基材９側から圧接し、接着剤１１を回路基板２１に圧着する。その後、基材９を巻取りリール１７に巻き取る。
上記の圧着後(仮接続)、回路基板２１の電極と配線回路（電子部品）２３の電極を位置合わせして本接続する。本接続は、図３に示すように、回路基板２１に圧着された接着剤１１に配線回路（又は電子部品）２３を配置して、必要によりクッション材として、例えば、ポリテトラフルオロエチレン材２４を介して加熱加圧ヘッド１９により配線回路２３を回路基板２１に加熱加圧する。これにより回路基板２１の電極２１ａと配線回路２３との電極２３ａを接続する。
本実施の形態による接着材テープ１を用いたＰＤＰは、そのサイズが大きくなっており、ＰＤＰの周囲全体に亘り圧着する場合があり、接続部分が多く、接着剤１１は一度に用いる接着剤１１の使用量が従来に比較して格段に多くなる。したがって、リール３ａに巻いた接着材テープ１の使用量も多くなり、リール３ａに巻いた接着材テープ１は比較的短時間で巻取りリール１７に巻き取られて、リール３ａに巻かれた接着材テープ１のエンドマーク２８が露出される（図１参照）。
【００１２】
本発明の接着材テープの接続方法は、（ａ）巻取りリール１７をそのまま使用し、使用済みの接着材テープ１の巻きが残り少なくなった接着剤テープを交換し、新たな接着剤テープと巻取りリール１７を接続する場合と、（ｂ）巻取りリール１７として使用済みの接着材テープ１の巻きが残り少なくなった接着剤テープを使用し、新たな接着剤テープと巻きが残り少なくなった接着剤テープを接続する場合がある。
（ｂ）の場合、図１に示すように、リール３ａの接着材テープ１にエンドマーク２８が露出したところで、リール３ａを新たな接着材リール３と交換するため、リール３ａの接着材テープ（一方の接着材テープ）１の終端部３０と、新たな接着材リール３に巻かれた接着材テープ（他方の接着材テープ）の始端部３２とを接続する。（図１（ａ）参照）
この接着材テープ１の接続は、図１（ｂ）及び（ｃ）に示すように、接着材リール３ａの接着材テープ１の終端部３０と、新たな接着材リール３の接着材テープ１の始端部３２とについて、終端部３０の基材９面に始端部３２の接着剤１１面を重ね合わせる。そして、重ね合わせ部分に略コ字状の係止ピン４１を挿入して接着材テープ１の終端部３０と、新たな接着材リール３の接着材テープ１の始端部３２とを接続する。
これにより、使用済みのリール３ａに巻かれた接着材テープ１と、新たなリール３に巻かれた接着材テープ１とが接続される。このように、巻出しが終了した接着材テープ１の終端部３０と、新たに装着する接着材テープ１の始端部３２とを係止ピン４１で固定するので、接続が簡単である。
次に、使用済みのリール３ａと新たなリール３を入れ替えて、新たなリール３を接着装置１５に装着する。したがって、巻取りリール１７に新たに接着材テープ１を装着する作業が必要ない。
【００１３】
（ａ）の巻取りリール１７をそのまま使用し、使用済みの接着材テープ１の巻きが残り少なくなった接着剤テープを新たな接着剤テープと交換し、新たな接着剤テープと巻取りリール１７を接続する場合は、使用済みリール３ａの接着材テープ１のエンドマーク２８が露出したときに接着材テープ１のエンドマーク２８付近を切断し、巻取りリール１７側に残った接着材テープの終端部３０と新たな接着材リール３の接着材テープ１の始端部３２を重ね合わせる。そして、両者の重ね合わせ部分に略コ字状の係止ピン４１を挿入して接着材テープ１の終端部３０と、新たな接着材リール３の接着材テープ１の始端部３２とを接続する。
巻取りリール１７では基材９だけを巻き取っているので、接着材リールの数本分を巻き取ることができるので、巻取りリール１７の交換回数を少なくすることができ、作業効率が良い。
【００１４】
ここで、図４を参照して本実施の形態にかかる接着材テープ１の製造方法について説明する。
巻出機２５から巻き出された基材（セパレータ）にコーター２７により、樹脂と導電粒子１３が混合された接着剤１１を塗布し、乾燥炉２９で乾燥した後、巻取機３１で原反を巻き取る。巻き取られた接着材テープの原反は、スリッタ３３により所定幅に切断されて巻き芯に巻き取れられた後、巻き芯に側板７，７が両側から装着されて、あるいは、側板付巻き芯に巻き取られ、除湿材とともに梱包され、好ましくは、低温（−５℃〜−１０℃）に管理されて出荷される。
【００１５】
次に、本発明の他の実施の形態について説明するが、以下に説明する実施の形態では上述した実施の形態と同一の部分には同一の符合を付することによりその部分の詳細な説明を省略し、以下では上述した実施の形態と異なる点を主に説明する。
図５に示す第２実施の形態では、一方及び他方の端部に設けた爪部４５、４７と両端の爪部４５、４７を結ぶ弾性部材４９とを備えた係止部材４３を用いて一方の接着材テープ１の終端部３０と他方の接着材テープ１の始端部３２とを接続するようにした。詳しくは、一方の接着材テープ１の終端部３０と他方の接着材テープ１の始端部３２とを突き合わせ、係止部材４３の一端に設けた爪部４５を終端部３０に係止し、他端に設けた爪部４７を始端部３２に係止し、一方の爪部４５と他方の爪部４７とを弾性部材４９で引き寄せるようにしている。尚、爪部４５、４７は板部材の裏面に先端の尖った複数本の爪５１を設けたものである。係止部材４３の一端に設けた爪部４５を終端部３０に係止し、その後に他端に設けた爪部４７を始端部３２に係止して両者を互いに接続するので、接続が容易である。また、一方の爪部４５と他方の爪部４７との間に弾性部材４９を備えているので、弾性部材４９が伸びて係止部材４３の他方の爪部４７を他方の接着材テープ１の始端部３２の任意の位置に係止することができるので、接続の自由度が高い。
【００１６】
図６に示す第３実施の形態では、使用済みのリール３ａに巻かれた接着材テープ１の終端部３０と、新たな接着材リール３の接着材テープ１の始端部３２とについて、終端部３０の基材９面に始端部３２の接着剤１１面を重ね合わせ、そして、重ね合わせ部分を横断面略コ字状の弾性変形可能なクリップ５３で挟んで固定している。重ね合わせ部分をクリップ５３で挟むだけで接続できるので、接続作業が容易である。
【００１７】
図７に示す第４実施の形態では、第３実施の形態において、重ね合わせ部分を横断面略コ字状の金属製の挟持片５５で被せ、重ね合せ部分の両面から挟持片５５を押しつぶして両者を接続している。重ね合せ部分の両面から挟持片５５を押しつぶして接続するので、重ね合わせ部分で強固な接続を得ることができる。
本発明は、上述した実施の形態に限らず、本発明の要旨を逸脱しない範囲で種々変形可能である。
例えば、上述した第１実施の形態において、係止ピン４１は略コ字状にすることなく、１本の線状のピンであってもよく、この場合には重ね合わせ部分に複数本のピンを用いて固定することが望ましい。
第２実施の形態において、係止部材４３は接着材テープ１の幅に合わせて複数個使うようにしても良い。
第３実施の形態及び第４実施の形態において、クリップ５３又は挟持片５５を複数個使用し、接着材テープ１の重ね合せ部分の両側からそれぞれ固定するようにしても良い。
【００１８】
【発明の効果】
請求項１に記載の発明によれば、巻出しが終了した接着材テープの終端部と、新たに装着する接着材テープの始端部とを係止ピンで固定するので、接続が簡単である。また、新たな接着材リールの交換毎に巻取りテープの交換や新規接着材テープの始端を巻取りリールに取り付ける作業、また所定の経路にガイドピン等の設定作業が必要ないので、新しい接着材リールの交換時間が少なくて済み、電子機器の生産効率が高まる。
請求項２に記載の発明によれば、一方の接着材テープの終端部に係止部材の一方の爪部を係止し、その後に係止部材の他方の爪部を他方の接着材テープの始端部に係止して両者を互いに接続するので、接続が容易である。
一方の爪部と他方の爪部との間に弾性部材を備えているので、弾性部材が伸びて係止部材の他方の爪部を他方の接着材テープの始端部の任意の位置に係止することができるので、接続の自由度が高い。
また、一方の接着材テープの終端部と他方の接着材テープの始端部とを突き合わせた状態で接続するので、互いのテープを重ね合せる必要がなく、必要最小限の位置で接続できるので接着材テープの無駄を防止できる。
請求項３に記載の発明によれば、一方の接着材テープの終端部と他方の接着材テープの始端部の重ね合わせ部分をクリップで挟むだけで接続できるので、接続作業が容易である。
請求項４に記載の発明によれば、重ね合わせ部分の両面から挟持片を押しつぶして両者を接続するので、接着材テープの重ね合わせ部分の接続強度を高めることができる。
【図面の簡単な説明】
【図１】 第１実施の形態にかかる接着材テープの接続方法を示す図であり、（ａ）は接着材リール同士の接続を示す斜視図であり、（ｂ）は（ａ）における接続部分の接続方法を示す斜視図、（ｃ）は（ａ）における接続部分の平面図である。
【図２】 接着装置における接着剤の圧着工程を示す概略図である。
【図３】 回路基板と配線回路（電子部品）との接着を示す断面図である。
【図４】 接着材テープの製造方法を示す工程図である。
【図５】 本発明の第２実施の形態における、接着材テープの接続方法を示す断面図である。
【図６】 本発明の第３実施の形態における、接着材テープの接続方法を示す断面図である。
【図７】 本発明の第４実施の形態における、接着材テープの接続方法を示す断面図である。
【符号の説明】
１．接着材テープ、 ３、３ａ．リール、 ５．巻き芯、 ７．側板、
９．基材、 １１．接着剤、 １３．導電粒子、 １５．接着装置、
１７．巻取りリール、 １９．加熱加圧ヘッド、 ２１．回路基板、
２２．ガイドピン、 ２３．配線回路（電子部品）、 ２５．巻出機、
２７．コーター、 ２８．エンドマーク、 ２９．乾燥炉、 ３０．終端部、
３１．巻取機、 ３２．始端部、 ３３．スリッタ、
４１．係止ピン、 ４３．係止部材、 ４５．一方の爪部、
４７．他方の爪部、 ４９．弾性部材、 ５１．爪、 ５３．クリップ、
５５．挟持片。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an adhesive tape that bonds and fixes an electronic component and a circuit board or circuit boards and electrically connects both electrodes, and particularly relates to a method of connecting an adhesive tape wound in a reel shape.
[0002]
[Prior art]
In general, as a method of bonding and fixing an electronic component such as a liquid crystal panel, PDP (plasma display panel), EL (fluorescent display) panel, pair chip mounting and the circuit board, circuit boards, and electrically connecting both electrodes, Adhesive tape is used.
Patent Document 1 discloses a tape in which an adhesive tape having a base material coated with an adhesive is wound up in a reel shape.
This type of conventional adhesive tape has a width of about 1 to 3 mm, and the length of the tape wound around the reel is about 50 m.
When the adhesive tape is mounted on the bonding apparatus, a reel of adhesive tape (hereinafter simply referred to as “adhesive reel”) is attached to the bonding apparatus, and the starting end of the adhesive tape is pulled out and attached to the take-up reel. Then, the adhesive is pressure-bonded to the circuit board or the like from the base material side of the adhesive tape unwound from the adhesive reel, and the remaining base material is taken up on the take-up reel.
When the adhesive tape of the adhesive reel is finished, the finished reel and the take-up reel that has wound up the substrate are removed, and a new take-up reel and a new adhesive reel are mounted on the bonding device, and the adhesive material is removed. The beginning of the tape is attached to the take-up reel.
[0003]
[Patent Document 1]
JP-A-2001-284005
[Problems to be solved by the invention]
However, with the recent increase in panel screen size in PDPs and the like, the adhesion area of circuit boards has increased, and the amount of adhesive used at one time has increased. Moreover, since the use of adhesives has expanded, the amount of adhesives used has increased. For this reason, there is a problem in the electronic device manufacturing factory that the frequency of replacement of the adhesive material reels is increased, and it takes time to replace the adhesive material reels, so that the production efficiency of the electronic device cannot be improved.
To solve this problem, it is conceivable to increase the number of adhesive tapes wound around the reel to increase the amount of adhesive per reel and reduce the frequency of reel replacement. Since the width is as narrow as 1 to 3 mm, if the number of windings is increased, collapse may occur. Further, when the number of windings is increased, the pressure acting on the adhesive tape wound in a tape shape is increased, and the adhesive may ooze out from both widths of the tape and cause blocking.
Further, when the number of windings of the adhesive tape is increased, the diameter of the reel increases, and it is difficult to mount the reel on the existing bonding apparatus, and the existing bonding apparatus may not be used.
Therefore, an object of the present invention is to provide an adhesive tape connecting method that can easily replace an adhesive reel and can improve the production efficiency of an electronic device.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the invention described in claim 1 is characterized in that an adhesive tape for electrode connection is applied to a base material, and one adhesive tape wound on one reel and the other reel are wound. A method for connecting an adhesive tape to connect the other adhesive tape, wherein the end portion of one adhesive tape and the start end portion of the other adhesive tape are overlapped and locked to the overlapping portion of both. It is characterized by inserting a pin and connecting.
According to the first aspect of the present invention, since the terminal portion of the adhesive tape that has been unwound and the starting end portion of the adhesive tape to be newly attached are fixed by the locking pins, the connection is simple. In addition, there is no need to replace the take-up tape every time a new adhesive reel is replaced, to attach the starting edge of the new adhesive tape to the take-up reel, or to set guide pins, etc. in a predetermined path. The time required for replacement is reduced, and the production efficiency of electronic equipment is increased.
[0006]
The invention described in claim 2 connects one adhesive tape wound on one reel and the other adhesive tape wound on the other reel, in which an adhesive for electrode connection is applied to a substrate. An adhesive tape connecting method for connecting an adhesive tape using a locking member, wherein the locking member includes a claw portion provided at one and the other end and an elastic member provided between the claw portions. The end of one adhesive tape and the start of the other adhesive tape are abutted, the claw provided on one end of the locking member is locked to the end of one adhesive tape, and the other The nail | claw part provided in the end is latched to the start end part of the other adhesive tape, and both the nail | claw parts are pulled near by the elastic member, It is characterized by the above-mentioned.
According to the second aspect of the present invention, one claw portion of the locking member is locked to the terminal portion of one adhesive tape, and then the other claw portion of the locking member is connected to the other adhesive tape. Since the two are connected to each other by being locked to the starting end portion, the connection is easy. Further, since the elastic member is provided between the one claw portion and the other claw portion, the elastic member extends so that the other claw portion of the locking member can be placed at an arbitrary position of the starting end portion of the other adhesive tape. Since it can be locked, the degree of freedom of connection is high.
In addition, since the end of one adhesive tape and the starting end of the other adhesive tape are connected to each other, there is no need to overlap each other and the adhesive can be connected at the minimum necessary position. Tape waste can be prevented.
[0007]
The invention described in claim 3 connects one adhesive tape wound on one reel and the other adhesive tape wound on the other reel, in which an adhesive for electrode connection is applied to a substrate. A method for connecting adhesive tapes, in which the end of one adhesive tape and the start of the other adhesive tape are overlapped, and the overlapping part of both can be elastically deformed with a substantially U-shaped cross section It is characterized by being sandwiched and fixed with a simple clip.
According to the third aspect of the present invention, since the overlapping portion of the end portion of the one adhesive tape and the start end portion of the other adhesive tape can be connected only by the clip, the connection work is easy.
[0008]
In the invention described in claim 4, the overlapping portion of one adhesive tape and the other adhesive tape is the overlapping portion of one adhesive tape and the other adhesive tape. It is characterized in that it is sandwiched between letter-shaped metal clamping pieces, and the clamping pieces are crushed from both sides of the overlapped portion to connect them.
According to the fourth aspect of the present invention, since the sandwiching pieces are crushed from both sides of the overlapping portion to connect them, the connection strength of the overlapping portion of the adhesive tape can be increased.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. First, the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a view showing a method of connecting adhesive tapes according to the first embodiment, (a) is a perspective view showing connection between adhesive reels, and (b) is a connection portion in (a). It is a perspective view which shows a connection method, (c) is a top view of the connection part in (a), FIG. 2 is schematic which shows the crimping | compression-bonding process of the adhesive agent in an adhesive device, FIG. FIG. 4 is a cross-sectional view showing adhesion, and FIG. 4 is a process diagram showing a method for producing an adhesive tape.
[0010]
The adhesive tape 1 is wound around reels 3 and 3 a, respectively. Each reel 3 and 3 a is provided with a winding core 5 and side plates 7 arranged on both width sides of the adhesive tape 1. In the present embodiment, the adhesive tape 1 has a length of about 50 m and a width W of about 5 mm.
The adhesive tape 1 includes a base material 9 and an adhesive 11 applied to one side surface of the base material 9.
As the base material 9, OPP (stretched polypropylene), polytetrafluoroethylene, silicone-treated PET (polyethylene terephthalate), etc. are used in view of strength and releasability of the adhesive constituting the anisotropic conductive material. It is not a thing.
As the adhesive 11, a thermoplastic resin, a thermosetting resin, a mixed system of a thermoplastic resin and a thermosetting resin, or a hot melt system is used. Typical examples of such resins include thermoplastic resin systems such as styrene resin systems and polyester resin systems, and thermosetting resin systems that use epoxy resin systems, vinyl ester resins, acrylic resin systems, and silicone resin systems. It is done.
Conductive particles 13 are dispersed in the adhesive 11. Examples of the conductive particles 13 include metal particles such as Au, Ag, Pt, Ni, Cu, W, Sb, Sn, and solder, carbon, graphite, and the like, and polymers such as non-conductive glass, ceramics, and plastics. The above-described conductive layer may be formed on a core material or the like by coating or the like. Furthermore, the insulating covering particle | grains which coat | cover the above-mentioned electrically conductive particle with an insulating layer, combined use of an electrically-conductive particle and an insulating particle, etc. are applicable. Heat melting metal such as solder or polymer core material such as plastic formed with a conductive layer is deformable by heating or pressing, and the distance between electrodes after connection is reduced. This is preferable because the contact area with the circuit is increased and the reliability is improved. In particular, when a polymer is used as a core, it does not show a melting point like solder, so the softening state can be widely controlled by the connection temperature, and a connection member that can easily cope with variations in electrode thickness and flatness is obtained, which is more preferable. .
[0011]
Next, the usage method of the adhesive tape concerning this Embodiment is demonstrated. As shown in FIG. 2, the reel 3 a of the adhesive tape 1 and the take-up reel 17 are mounted on the bonding device 15, and the leading end of the adhesive tape 1 wound around the reel 3 a is hung on the guide pin 22 to take up the reel. 17 and the adhesive tape 1 is fed out (arrow E in FIG. 2). Then, the adhesive tape 1 is arranged on the circuit board 21, and the adhesive tape 1 is pressed from the substrate 9 side by the heating and pressure head 19 arranged between the reels 3 and 17, and the adhesive 11 is connected to the circuit. Crimp to the substrate 21. Thereafter, the substrate 9 is taken up on the take-up reel 17.
After the above crimping (temporary connection), the electrode of the circuit board 21 and the electrode of the wiring circuit (electronic component) 23 are aligned and finally connected. In this connection, as shown in FIG. 3, a wiring circuit (or electronic component) 23 is disposed on the adhesive 11 that is pressure-bonded to the circuit board 21, and a polytetrafluoroethylene material 24 is used as a cushioning material as necessary. Then, the wiring circuit 23 is heated and pressurized to the circuit board 21 by the heating and pressing head 19. Thereby, the electrode 21a of the circuit board 21 and the electrode 23a of the wiring circuit 23 are connected.
The PDP using the adhesive tape 1 according to the present embodiment is large in size, and may be crimped over the entire periphery of the PDP, and there are many connecting portions, and the adhesive 11 is used at once. The amount of use will be much higher than before. Therefore, the amount of the adhesive tape 1 wound around the reel 3a is increased, and the adhesive tape 1 wound around the reel 3a is wound around the take-up reel 17 in a relatively short time, and the adhesive tape 1 wound around the reel 3a. The end mark 28 of the material tape 1 is exposed (see FIG. 1).
[0012]
The method for connecting the adhesive tape of the present invention is as follows: (a) Using the take-up reel 17 as it is, replacing the adhesive tape with a small amount of used adhesive tape 1 remaining, and replacing it with a new adhesive tape. When the take-up reel 17 is connected, and (b) an adhesive tape in which the winding of the used adhesive tape 1 is reduced as the take-up reel 17 is used, and a new adhesive tape and an adhesive in which the winding is reduced. A tape may be connected.
In the case of (b), as shown in FIG. 1, when the end mark 28 is exposed on the adhesive tape 1 of the reel 3 a, the reel 3 a is replaced with a new adhesive reel 3. The terminal portion 30 of one adhesive tape) 1 is connected to the start end portion 32 of the adhesive tape (the other adhesive tape) wound around a new adhesive reel 3. (See Fig. 1 (a))
As shown in FIGS. 1B and 1C, the adhesive tape 1 is connected to the end portion 30 of the adhesive tape 1 of the adhesive reel 3a and the adhesive tape 1 of the new adhesive reel 3. For the start end portion 32, the adhesive 11 surface of the start end portion 32 is superimposed on the surface of the base material 9 of the end end portion 30. Then, a substantially U-shaped locking pin 41 is inserted into the overlapped portion to connect the end portion 30 of the adhesive tape 1 and the start end portion 32 of the adhesive tape 1 of the new adhesive reel 3.
Thereby, the adhesive tape 1 wound around the used reel 3a and the adhesive tape 1 wound around the new reel 3 are connected. In this way, since the end portion 30 of the adhesive tape 1 that has been unwound and the start end portion 32 of the adhesive tape 1 to be newly attached are fixed by the locking pins 41, the connection is simple.
Next, the used reel 3 a and the new reel 3 are exchanged, and the new reel 3 is mounted on the bonding device 15. Therefore, there is no need to newly attach the adhesive tape 1 to the take-up reel 17.
[0013]
The take-up reel 17 of (a) is used as it is, and the adhesive tape in which the winding of the used adhesive tape 1 is reduced is replaced with a new adhesive tape, and the new adhesive tape and the take-up reel 17 are replaced. In the case of connection, when the end mark 28 of the adhesive tape 1 of the used reel 3a is exposed, the vicinity of the end mark 28 of the adhesive tape 1 is cut, and the terminal portion of the adhesive tape remaining on the take-up reel 17 side is cut. 30 and the start end portion 32 of the adhesive tape 1 of the new adhesive reel 3 are overlapped. Then, a substantially U-shaped locking pin 41 is inserted into the overlapping portion of the two to connect the end portion 30 of the adhesive tape 1 and the start end portion 32 of the adhesive tape 1 of the new adhesive reel 3. .
Since only the base material 9 is taken up by the take-up reel 17, several adhesive reels can be taken up, so that the number of exchanges of the take-up reel 17 can be reduced and the working efficiency is good.
[0014]
Here, with reference to FIG. 4, the manufacturing method of the adhesive tape 1 concerning this Embodiment is demonstrated.
The adhesive 11 in which the resin and the conductive particles 13 are mixed is applied to the base material (separator) unwound from the unwinder 25 by the coater 27, dried in the drying furnace 29, and then the raw material is wound in the winder 31. Wind up. The wound adhesive tape is cut into a predetermined width by a slitter 33 and wound around the winding core, and then the side plates 7 and 7 are attached to the winding core from both sides, or the winding core with the side plate. , Wound together with a dehumidifying material, and preferably shipped at a low temperature (−5 ° C. to −10 ° C.).
[0015]
Next, another embodiment of the present invention will be described. In the embodiment described below, the same reference numerals are given to the same portions as the above-described embodiments, and detailed description of the portions will be given. Omitted, the following description will mainly focus on differences from the above-described embodiment.
In the second embodiment shown in FIG. 5, the locking member 43 including the claw portions 45 and 47 provided at one and the other end and the elastic member 49 connecting the claw portions 45 and 47 at both ends is used. The end portion 30 of the adhesive tape 1 and the start end portion 32 of the other adhesive tape 1 are connected. Specifically, the end portion 30 of one adhesive tape 1 and the start end portion 32 of the other adhesive tape 1 are abutted, the claw portion 45 provided at one end of the locking member 43 is locked to the end portion 30, and the other The claw portion 47 provided at the end is locked to the start end portion 32, and the one claw portion 45 and the other claw portion 47 are attracted by the elastic member 49. Note that the claw portions 45 and 47 are provided with a plurality of claw portions 51 having pointed tips on the back surface of the plate member. Since the claw portion 45 provided at one end of the locking member 43 is locked to the end portion 30 and then the claw portion 47 provided at the other end is locked to the start end portion 32 and both are connected to each other, connection is easy. It is. Further, since the elastic member 49 is provided between the one claw portion 45 and the other claw portion 47, the elastic member 49 extends so that the other claw portion 47 of the locking member 43 is attached to the other adhesive tape 1. Since it can be locked at an arbitrary position of the start end portion 32, the degree of freedom of connection is high.
[0016]
In the third embodiment shown in FIG. 6, the end portion 30 of the adhesive tape 1 wound around the used reel 3a and the start end portion 32 of the adhesive tape 1 of the new adhesive reel 3 are terminated. 30 surfaces of the base material 9 are overlapped with the adhesive 11 surface of the start end portion 32, and the overlapped portion is sandwiched and fixed by an elastically deformable clip 53 having a substantially U-shaped cross section. Since the connection can be made by simply sandwiching the overlapped portion with the clip 53, the connection work is easy.
[0017]
In the fourth embodiment shown in FIG. 7, in the third embodiment, the overlapping portion is covered with a metal holding piece 55 having a substantially U-shaped cross section, and the holding piece 55 is crushed from both sides of the overlapping portion. Both are connected. Since the sandwiching pieces 55 are crushed and connected from both sides of the overlapping portion, a strong connection can be obtained at the overlapping portion.
The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.
For example, in the first embodiment described above, the locking pin 41 may be a single linear pin without being substantially U-shaped. In this case, a plurality of pins are provided in the overlapping portion. It is desirable to fix using
In the second embodiment, a plurality of locking members 43 may be used in accordance with the width of the adhesive tape 1.
In the third and fourth embodiments, a plurality of clips 53 or sandwiching pieces 55 may be used and fixed from both sides of the overlapping portion of the adhesive tape 1.
[0018]
【The invention's effect】
According to the first aspect of the present invention, since the terminal portion of the adhesive tape that has been unwound and the starting end portion of the adhesive tape to be newly attached are fixed by the locking pins, the connection is simple. In addition, there is no need to replace the take-up tape every time a new adhesive reel is replaced, or to attach the starting edge of the new adhesive tape to the take-up reel, or to set guide pins, etc. in the specified path. Less time is required for reel replacement, increasing the production efficiency of electronic equipment.
According to the invention described in claim 2, one claw portion of the locking member is locked to the terminal portion of one adhesive tape, and then the other claw portion of the locking member is connected to the other adhesive tape. Since the two are connected to each other by being locked to the starting end, the connection is easy.
Since the elastic member is provided between the one claw portion and the other claw portion, the elastic member extends to lock the other claw portion of the locking member at an arbitrary position of the start end portion of the other adhesive tape. Because it can be, the degree of freedom of connection is high.
In addition, since the end of one adhesive tape and the starting end of the other adhesive tape are connected to each other, there is no need to overlap each other and the adhesive can be connected at the minimum necessary position. Tape waste can be prevented.
According to invention of Claim 3, since it can connect only by pinching | stacking the overlap part of the termination | terminus part of one adhesive material tape and the start end part of the other adhesive material tape, a connection operation | work is easy.
According to the fourth aspect of the present invention, since the sandwiching pieces are crushed from both sides of the overlapped portion and both are connected, the connection strength of the overlapped portion of the adhesive tape can be increased.
[Brief description of the drawings]
1A and 1B are diagrams showing a method for connecting adhesive tapes according to a first embodiment, wherein FIG. 1A is a perspective view showing connection between adhesive reels, and FIG. 1B is a connection portion in FIG. The perspective view which shows the connection method of (c) is a top view of the connection part in (a).
FIG. 2 is a schematic view showing a bonding step of an adhesive in the bonding apparatus.
FIG. 3 is a cross-sectional view showing adhesion between a circuit board and a wiring circuit (electronic component).
FIG. 4 is a process diagram showing a method for producing an adhesive tape.
FIG. 5 is a cross-sectional view showing a method for connecting an adhesive tape in a second embodiment of the present invention.
FIG. 6 is a cross-sectional view showing a method for connecting an adhesive tape in a third embodiment of the present invention.
FIG. 7 is a cross-sectional view showing a method for connecting an adhesive tape in a fourth embodiment of the present invention.
[Explanation of symbols]
1. Adhesive tape 3, 3a. Reel, 5. 6. winding core, Side plate,
9. Base material, 11. Adhesive, 13. Conductive particles, 15. Bonding equipment,
17. Take-up reel, 19. 20. heating and pressing head; Circuit board,
22. Guide pins, 23. Wiring circuit (electronic component), 25. Unwinding machine,
27. Coater, 28. End mark, 29. Drying oven, 30. Termination,
31. Winding machine, 32. The beginning, 33. Slitter,
41. Locking pin, 43. Locking member, 45. One nail,
47. The other nail part, 49. Elastic member, 51. Nails, 53. clip,
55. A sandwich piece.

Claims (4)

電極接続用の接着剤が基材に塗布された、一方のリールに巻いた一方の接着材テープと他方のリールに巻いた他方の接着材テープとを接続する接着材テープの接続方法であって、一方の接着材テープの終端部と、他方の接着材テープの始端部とを重ね合わせ、両者の重ね合わせ部分に係止ピンを挿入して接続することを特徴とする接着材テープの接続方法。A method of connecting an adhesive tape, in which an adhesive for electrode connection is applied to a base material, and one adhesive tape wound on one reel is connected to the other adhesive tape wound on the other reel. A method for connecting an adhesive tape, characterized in that the end portion of one adhesive tape and the start end portion of the other adhesive tape are overlapped, and a locking pin is inserted into the overlapped portion of both to connect . 電極接続用の接着剤が基材に塗布された、一方のリールに巻いた一方の接着材テープと他方のリールに巻いた他方の接着材テープとを接続する接着材テープを、係止部材を用いて接続する接着材テープの接続方法であって、係止部材は一方及び他方の端部に設けた爪部と爪部間に設けた弾性部材とを備えており、一方の接着材テープの終端部と他方の接着材テープの始端部とを突き合わせ、係止部材の一端に設けた爪部を一方の接着材テープの終端部に係止し、他端に設けた爪部を他方の接着材テープの始端部に係止して、両方の爪部を弾性部材で引き寄せていることを特徴とする接着材テープの接続方法。An adhesive tape for applying an electrode connecting adhesive to the substrate and connecting one adhesive tape wound on one reel to the other adhesive tape wound on the other reel The locking method is a connecting method of the adhesive tape to be used, wherein the locking member includes a claw portion provided at one and the other end portion and an elastic member provided between the claw portions, The end part and the starting end part of the other adhesive tape are abutted, the claw part provided at one end of the locking member is locked to the terminal part of one adhesive tape, and the claw part provided at the other end is bonded to the other A method for connecting an adhesive tape, characterized by being engaged with a starting end portion of a material tape and pulling both claw portions together with an elastic member. 電極接続用の接着剤が基材に塗布された、一方のリールに巻いた一方の接着材テープと他方のリールに巻いた他方の接着材テープとを接続する接着材テープの接続方法であって、一方の接着材テープの終端部と、他方の接着材テープの始端部とを重ね合わせ、両者の重ね合わせ部分を横断面略コ字状の弾性変形可能なクリップで挟んで固定することを特徴とする接着材テープの接続方法。A method of connecting an adhesive tape, in which an adhesive for electrode connection is applied to a base material, and one adhesive tape wound on one reel is connected to the other adhesive tape wound on the other reel. The end portion of one adhesive tape and the start end portion of the other adhesive tape are overlapped, and the overlapping portion of both is sandwiched and fixed by an elastically deformable clip having a substantially U-shaped cross section. How to connect the adhesive tape. 一方の接着材テープと他方の接着材テープとの重ね合わせ部分を、一方の接着材テープと他方の接着材テープとの重ね合わせ部分を横断面略断面コ字状の金属製の挟持片で挟み、重ね合わせ部分の両面側から挟持片を押しつぶして両者を接続することを特徴とする接着材テープの接続方法。The overlapping part of one adhesive tape and the other adhesive tape is sandwiched between the overlapping parts of one adhesive tape and the other adhesive tape with a metal holding piece having a substantially U-shaped cross section. A method for connecting an adhesive tape, wherein the sandwiching pieces are crushed from both sides of the overlapped portion to connect the two.
JP2002370623A 2002-07-30 2002-12-20 Adhesive tape connection method Expired - Fee Related JP4032961B2 (en)

Priority Applications (26)

Application Number Priority Date Filing Date Title
JP2002370623A JP4032961B2 (en) 2002-12-20 2002-12-20 Adhesive tape connection method
CN 201110456093 CN102556726A (en) 2002-07-30 2003-07-30 Bonding material band and production method thereof
KR1020087019045A KR20080075565A (en) 2002-07-30 2003-07-30 Adhesive material reel
CN2008102146479A CN101402423B (en) 2002-07-30 2003-07-30 Method of connecting adhesive material tape and adhesive material tape connector
TW097143991A TW200913829A (en) 2002-07-30 2003-07-30 Adhesive material reel
TW092120892A TW200409405A (en) 2002-07-30 2003-07-30 Adhesive material tape, method of connecting, producing, and press-connecting the tape, adhesive material reel, adhering device, adhesive agent-tape cassette, method of press-conducting adhesive agent using same, and anisotropic electroconductive tape
KR1020097017836A KR100970800B1 (en) 2002-07-30 2003-07-30 Adhesive material tape and method of producing the tape
PCT/JP2003/009694 WO2004011356A1 (en) 2002-07-30 2003-07-30 Adhesive material tape, method of connecting, producing, and press-connecting the tape, adhesive material-tape reel, adhering device, adhesive agent-tape cassette, method of press-connecting adhesive agent using the cassette, and anisotropic electroconductive tape
TW097143988A TW200913828A (en) 2002-07-30 2003-07-30 Adhesive material reel
CN2008102146498A CN101417758B (en) 2002-07-30 2003-07-30 Adhesive material tape, adhesive material-tape reel, adhering device, adhesive agent-tape cassette, and adhering apparatus
CN201410378540.3A CN104152075B (en) 2002-07-30 2003-07-30 Adhesive material band and crimping method therefor
CN2010102460213A CN101905817B (en) 2002-07-30 2003-07-30 Method of connecting adhesive material tape
KR1020107001127A KR100953011B1 (en) 2002-07-30 2003-07-30 Method of producing adhesive material tape
CN2010102345094A CN101920862B (en) 2002-07-30 2003-07-30 Crimping connection method of adhesive tapes
CN2008102146483A CN101402832B (en) 2002-07-30 2003-07-30 Adhesive material tape and anisotropic conductive material tape
CNB038180847A CN100548840C (en) 2002-07-30 2003-07-30 The method of attachment of adhesive material tape connector and adhesive material tape
TW097143987A TW200913827A (en) 2002-07-30 2003-07-30 Adhesive material reel
KR1020087005685A KR100981478B1 (en) 2002-07-30 2003-07-30 Connecting structure
TW096139425A TW200823137A (en) 2002-07-30 2003-07-30 Joining structure and adhesive material reel
KR1020067012942A KR100690379B1 (en) 2002-07-30 2003-07-30 Adhesive material tape, adhesive material-tape reel, adhering device and adhesive agent-tape cassette
KR1020067012929A KR100700438B1 (en) 2002-07-30 2003-07-30 Anisotropic electroconductive tape
KR1020077011959A KR20070063606A (en) 2002-07-30 2003-07-30 Adhesive material tape and method of producing the tape
KR1020107007008A KR20100041890A (en) 2002-07-30 2003-07-30 Adhesive material tape
KR1020087012294A KR20080064886A (en) 2002-07-30 2003-07-30 Adhesive material tape
CN2010102345395A CN101920863B (en) 2002-07-30 2003-07-30 Method for producing adhesive materials for tapes composed with the same
CN2009101730706A CN101648658B (en) 2002-07-30 2003-07-30 Connection method of adhesive material tape and adhesive material connector

Applications Claiming Priority (1)

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JP2002370623A JP4032961B2 (en) 2002-12-20 2002-12-20 Adhesive tape connection method

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JP4032961B2 true JP4032961B2 (en) 2008-01-16

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WO2007125830A1 (en) 2006-04-24 2007-11-08 Hitachi Chemical Company, Ltd. Adhesive tape

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