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JP5046208B2 - Adhesive film sticking method and adhesive film winding reel - Google Patents

Adhesive film sticking method and adhesive film winding reel Download PDF

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Publication number
JP5046208B2
JP5046208B2 JP2007234384A JP2007234384A JP5046208B2 JP 5046208 B2 JP5046208 B2 JP 5046208B2 JP 2007234384 A JP2007234384 A JP 2007234384A JP 2007234384 A JP2007234384 A JP 2007234384A JP 5046208 B2 JP5046208 B2 JP 5046208B2
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adhesive film
reel
adhesive
film
winding
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JP2008094622A (en
JP2008094622A5 (en
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和俊 枝村
豊司 山▲崎▼
芳浩 高橋
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Dexerials Corp
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Sony Chemical and Information Device Corp
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Description

本発明は、例えば電子機器の製造工程において異方導電性接着フィルム等の一連の長尺のフィルムをリールに巻取りまた引き出す技術に関する。   The present invention relates to a technique for winding and drawing out a series of long films such as an anisotropic conductive adhesive film on a reel in a manufacturing process of an electronic device, for example.

一般に、例えば、液晶パネルやICチップのような電子部品同士を電気的に接続する場合には、異方導電性接着フィルムが用いられる。
このような接着フィルムは、幅狭で長尺の剥離シート上に形成され、リール部材にロール状に巻取った形態で出荷されている。
In general, for example, when an electronic component such as a liquid crystal panel or an IC chip is electrically connected, an anisotropic conductive adhesive film is used.
Such an adhesive film is formed on a narrow and long release sheet, and is shipped in the form of a reel member wound up in a roll shape.

ところで、近年、接着フィルムをさらに長尺化することが望まれているが、接着フィルムが長尺化すると、ロール状の径が増すことによって接着フィルムに生じる応力が増大するため、接着フィルム内の接着剤がはみ出るおそれがある。   By the way, in recent years, it has been desired to further lengthen the adhesive film. However, when the adhesive film is lengthened, the stress generated in the adhesive film increases due to an increase in the diameter of the roll. There is a risk of the adhesive sticking out.

特に、リールを巻取軸に装着した後、接着フィルムを引き出す際に、リールの巻芯部分において接着剤のはみ出しが生じていた。
また、このような長尺のフィルムを引き出す際には、フィルムが滑ることにより、巻巣又は巻ずれが発生するという問題もある。
このような問題に対しては、従来、以下のような種々の提案がなされているが、更なる改良が望まれている。
実開平2−142770号公報 特開平8−310735号公報 特開2001−39631号公報 特開2006−44838号公報 特開2004−43148号公報
In particular, when the adhesive film is pulled out after the reel is mounted on the winding shaft, the adhesive protrudes from the core portion of the reel.
Moreover, when pulling out such a long film, there is also a problem that a winding nest or winding slip occurs due to slipping of the film.
Conventionally, various proposals as described below have been made for such problems, but further improvements are desired.
Japanese Utility Model Publication No. 2-142770 JP-A-8-310735 JP 2001-39631 A JP 2006-44838 A JP 2004-43148 A

本発明は、このような従来の技術の課題を考慮してなされたもので、その目的とするところは、リールに巻き付けられた長尺の接着フィルムを引き出して貼付する際に接着剤のはみ出しが発生せず、また巻巣及び巻ずれも防止しうる接着フィルムの貼付方法を提供することにある。   The present invention has been made in consideration of such problems of the conventional technology, and the object of the present invention is to prevent the adhesive from protruding when a long adhesive film wound around a reel is pulled out and pasted. It is an object of the present invention to provide a method for applying an adhesive film that does not occur and can prevent winding nests and winding slippage.

上記目的を達成するため本発明者らは鋭意努力を重ねた結果、接着フィルムを巻き付ける巻芯部分に特定の弾力性のあるクッション部を設けるとともに、接着フィルムの巻き長さ及び粘弾性並びにフィルム引き出し時の張力について調整することにより、フィルム引き出し時に接着剤のはみ出しがなく、巻き品質も向上させうることを見出し本発明を完成するに到った。   As a result of diligent efforts to achieve the above object, the present inventors have provided a cushioning portion having a specific elasticity at the core portion around which the adhesive film is wound, as well as the winding length and viscoelasticity of the adhesive film, and the film withdrawal. By adjusting the tension at the time, it was found that the adhesive did not protrude when the film was pulled out, and the winding quality could be improved, and the present invention was completed.

かかる知見に基づいてなされた本発明は、リールに巻き付けられた接着フィルムを引き出して貼付対象物に貼り付ける接着フィルムの貼付方法であって、前記リールの巻芯部にクッション部を設け、前記クッション部として、発泡倍率が5倍〜40倍の材料を用いて構成され且つ厚さが0.1mm〜10mmであるものを用い、前記接着フィルムとして、粘弾性が6×10 4 Pa・s以下で且つ巻き長さが300m以下のものを用い、前記接着フィルムを、100g以下の張力で引き出すものである
発明では、前記接着剤フィルムを、絶縁性接着剤樹脂中に導電性粒子が分散された異方導電性接着フィルムとすることもできる。なお、導電性粒子の分散量は、全体量に比べてごく少なく、本発明における各種条件に影響を与えないものである。
一方、本発明は、リールに、絶縁性接着剤樹脂中に導電性粒子が分散された異方導電性接着フィルムが巻き付けられた接着フィルム巻付リールであって、前記リールの巻芯部分にクッション部が設けられ、前記クッション部が、発泡倍率が5倍〜40倍の材料を用いて構成されるとともに、前記クッション部の厚さが0.1mm〜10mmであり、前記異方導電性接着フィルムの粘弾性が6×104Pa・s以下であるものである。
The present invention made based on such knowledge is a method for attaching an adhesive film that pulls out an adhesive film wound around a reel and attaches it to an object to be attached, wherein a cushion portion is provided on a core portion of the reel, and the cushion As the part, a material having a foaming ratio of 5 to 40 times and a thickness of 0.1 mm to 10 mm is used , and the adhesive film has a viscoelasticity of 6 × 10 4 Pa · s or less. In addition, a film having a winding length of 300 m or less is used, and the adhesive film is pulled out with a tension of 100 g or less .
In the present invention, the adhesive film may be an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive resin. The amount of conductive particles dispersed is very small compared to the total amount, and does not affect various conditions in the present invention.
On the other hand, the present invention is an adhesive film winding reel in which an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive resin is wound around a reel, and the reel core portion is cushioned. parts are provided, wherein the cushion portion, while being constructed using a foaming magnification 5 times to 40 times the material thickness of the cushion portion is 0.1 mm to 10 mm, the anisotropic conductive adhesive film The viscoelasticity is 6 × 10 4 Pa · s or less.

本発明によれば、リールに巻き付けられた長尺の接着フィルムを引き出す際に接着剤のはみ出しが発生せず、また巻巣及び巻ずれも防止することができる。   According to the present invention, when the long adhesive film wound around the reel is pulled out, no sticking out of the adhesive occurs, and it is possible to prevent winding nest and winding deviation.

以下、本発明の好ましい実施の形態を図面を参照して詳細に説明する。
図1(a)(b)は、本発明を実施するための接着フィルム貼付装置及び本発明方法の実施の形態を示す説明図である。
図1(a)(b)に示すように、この接着フィルム貼付装置1A、1Bは、回転駆動されるように構成された巻取軸(図示せず)に、接着フィルム2を巻き付けたリール3が装着され、このリール3から接着フィルム2が引き出されるようになっている。
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
1 (a) and 1 (b) are explanatory views showing an embodiment of an adhesive film sticking device for carrying out the present invention and a method of the present invention.
As shown in FIGS. 1A and 1B, the adhesive film sticking apparatuses 1A and 1B have a reel 3 in which an adhesive film 2 is wound around a winding shaft (not shown) configured to be driven to rotate. Is attached, and the adhesive film 2 is pulled out from the reel 3.

本発明の場合、接着フィルム2としては、絶縁性接着剤樹脂中に導電性粒子が分散された異方導電性接着フィルムを特に好適に用いることができる。
ただし、絶縁性接着剤樹脂中に導電性粒子を含有しない絶縁性接着フィルムにも適用をすることができる。
In the case of the present invention, as the adhesive film 2, an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive resin can be used particularly suitably.
However, the present invention can also be applied to an insulating adhesive film that does not contain conductive particles in the insulating adhesive resin.

本発明は、接着フィルム2として、粘弾性が6×104Pa・sのものに特に好適である。なお、接着フィルム2の粘弾性の値は、温度20〜40℃程度では、ほとんど変化しないが、本発明では、30℃における粘弾性の値を用いる。
この状態では、樹脂が硬化する前の状態となっている。
なお、接着フィルム2の粘弾性が6×104Pa・sより大きい場合においても本発明を適用しうることは勿論である。
The present invention is particularly suitable for the adhesive film 2 having a viscoelasticity of 6 × 10 4 Pa · s. In addition, although the value of the viscoelasticity of the adhesive film 2 hardly changes at the temperature of about 20-40 degreeC, in this invention, the value of the viscoelasticity in 30 degreeC is used.
In this state, the resin is in a state before being cured.
Needless to say, the present invention can also be applied when the viscoelasticity of the adhesive film 2 is larger than 6 × 10 4 Pa · s.

接着フィルム2は、具体的には、幅0.5〜15mm、厚さ0.01〜0.15mmのものが使用される。接着フィルム2は、一般的にはPET等の樹脂からなる剥離シート(図示せず)上に形成される。この剥離シートは、幅0.5〜15mm、厚さ0.01〜0.15mmのものが用いられる。   Specifically, the adhesive film 2 having a width of 0.5 to 15 mm and a thickness of 0.01 to 0.15 mm is used. The adhesive film 2 is generally formed on a release sheet (not shown) made of a resin such as PET. This release sheet has a width of 0.5 to 15 mm and a thickness of 0.01 to 0.15 mm.

さらに、本発明は、接着フィルム2の樹脂表面に保護フィルムを設けたものにも適用することができる。
この保護フィルムは、PET等の樹脂からなり、具体的には、幅0.5〜15mm、厚さ0.01〜0.15mmのものが用いられる。
Furthermore, the present invention can also be applied to the adhesive film 2 provided with a protective film on the resin surface.
This protective film is made of a resin such as PET, and specifically, a film having a width of 0.5 to 15 mm and a thickness of 0.01 to 0.15 mm is used.

図1(a)(b)に示すように、リール3から引き出された接着フィルム2は、複数のローラ4、5を介して引き回され、例えば図1(a)に示すように、3層構造の場合は、保護フィルム2aが剥離ローラ6によって剥離された後に、剥離シート2b付きで貼付部10を経由して導かれる。   As shown in FIGS. 1 (a) and 1 (b), the adhesive film 2 drawn out from the reel 3 is drawn through a plurality of rollers 4 and 5, for example, as shown in FIG. In the case of the structure, after the protective film 2a is peeled off by the peeling roller 6, the protective film 2a is guided via the sticking part 10 with the release sheet 2b.

一方、例えば図1(b)に示すように、2層構造の場合は、リール3から引き出された剥離シート2b付き接着フィルム2は、複数のローラ4、5を介して引き回された後、貼付部10を経由して導かれる。   On the other hand, for example, as shown in FIG. 1B, in the case of a two-layer structure, the adhesive film 2 with the release sheet 2b drawn out from the reel 3 is drawn through a plurality of rollers 4 and 5, It is guided via the sticking part 10.

貼付部10は、配線基板等の貼付対象物20を載置するための支持台11を有し、貼付対象物20の上方から押圧ヘッド12によって接着フィルム2を支持台11に押圧して貼付対象物20に貼付するように構成されている。   The affixing unit 10 includes a support base 11 for placing an object to be adhered 20 such as a wiring board, and the adhesive film 2 is pressed against the support base 11 by the pressing head 12 from above the object to be affixed 20. It is configured to be affixed to the object 20.

一方、本実施の形態においては、リール3の巻芯部15の周囲に弾力性のあるクッション部16が密着して設けられている。
このクッション部16は、所定の厚さの例えばリング状に形成されており、このクッション部16上に接着フィルム2が巻き付けるようになっている。
On the other hand, in the present embodiment, an elastic cushion portion 16 is provided in close contact with the periphery of the core portion 15 of the reel 3.
The cushion portion 16 is formed, for example, in a ring shape having a predetermined thickness, and the adhesive film 2 is wound around the cushion portion 16.

本発明の場合、クッション部16としては、特に限定されることはないが、接着剤のはみ出し及び巻き品質をより向上させる観点からは、発泡性を有する樹脂材料を用いることが好ましい。   In the case of the present invention, the cushion portion 16 is not particularly limited, but it is preferable to use a resin material having foamability from the viewpoint of further improving the protrusion and winding quality of the adhesive.

この場合、クッション部16の発泡倍率(材料中に含有される泡の割合を示す)は、5倍〜40倍のものを用いることが好ましく、より好ましい発泡倍率は、15倍〜40倍である。   In this case, it is preferable to use a foaming ratio of the cushion portion 16 (indicating the ratio of bubbles contained in the material) of 5 to 40 times, and a more preferable foaming ratio is 15 to 40 times. .

また、クッション部16の厚さとしては、特に限定されることはないが、接着剤のはみ出し防止及び巻き品質をより向上させる観点からは、0.1mm〜10mmとすることが好ましく、より好ましい厚さは、0.5mm〜3mmである。
さらに、クッション部16の材料としては、例えば、ウレタン樹脂等を好適に用いることができる。
なお、リール3の巻芯部15の直径は、具体的には、30〜150mmのものが用いられる。
Further, the thickness of the cushion portion 16 is not particularly limited, but is preferably 0.1 mm to 10 mm, more preferably from the viewpoint of further preventing the adhesive from protruding and improving the winding quality. The thickness is 0.5 mm to 3 mm.
Furthermore, as a material of the cushion part 16, for example, a urethane resin or the like can be suitably used.
The diameter of the core portion 15 of the reel 3 is specifically 30 to 150 mm.

このような構成において、本発明では、従来技術と同様に接着フィルム2に引っ張り張力を加えてリール3から接着フィルム2を引き出す。
この場合、本発明では、特に限定されることはないが、接着剤のはみ出し防止及び巻き品質をより向上させる観点からは、接着フィルム2を、50g以下の張力で引き出すことが好ましい。
In such a configuration, the present invention draws the adhesive film 2 from the reel 3 by applying a tensile tension to the adhesive film 2 as in the prior art.
In this case, although not particularly limited in the present invention, it is preferable to pull out the adhesive film 2 with a tension of 50 g or less from the viewpoint of preventing the adhesive from protruding and further improving the winding quality.

また、リール3における接着フィルム2の巻き長さは、特に限定されることはないが、接着剤のはみ出し防止及び巻き品質をより向上させる観点からは、50m以下とすることが好ましい。   The winding length of the adhesive film 2 on the reel 3 is not particularly limited, but is preferably 50 m or less from the viewpoint of preventing the adhesive from protruding and further improving the winding quality.

以下、実施例及び比較例を挙げて本発明を具体的に説明するが、本発明は以下の実施例に限定されるものではない。
本例では、異方導電性接着フィルムとして、幅2mmの剥離シート上に厚さ0.018mmの異方導電性接着剤をフィルム状に塗布形成したものを用いた。
この異方導電性接着フィルムの粘弾性は、30℃の温度環境時における測定針PP20の条件で、6×104Pa・sである。
EXAMPLES Hereinafter, although an Example and a comparative example are given and this invention is demonstrated concretely, this invention is not limited to a following example.
In this example, an anisotropic conductive adhesive film in which an anisotropic conductive adhesive having a thickness of 0.018 mm was applied and formed on a release sheet having a width of 2 mm was used.
The viscoelasticity of the anisotropic conductive adhesive film is 6 × 10 4 Pa · s under the condition of the measuring needle PP20 in a temperature environment of 30 ° C.

<接着剤はみ出し試験>
図2は、本発明における接着剤のはみ出し試験方法に用いた測定冶具を示す斜視図である。
ここでは、クッション部を設けたリールとクッション部を設けないリールを用意し、図2に示すように、各リール3に上記異方導電性接着フィルム2Aを所定回数巻き付けて鉛直方向に向けて固定し、各リール3から鉛直下方に引き出した異方導電性接着フィルム2Aに所定の重量の分銅31を吊り下げて所定の負荷を加え、48時間経過後の接着剤のはみ出し状態を目視で観察した。
<Adhesive protrusion test>
FIG. 2 is a perspective view showing a measuring jig used in the adhesive protrusion test method according to the present invention.
Here, a reel having a cushion portion and a reel having no cushion portion are prepared, and the anisotropic conductive adhesive film 2A is wound around each reel 3 a predetermined number of times and fixed in the vertical direction as shown in FIG. Then, a predetermined weight was applied to the anisotropic conductive adhesive film 2A drawn vertically downward from each reel 3, a predetermined load was applied, and the protruding state of the adhesive after 48 hours was visually observed. .

この試験は、実力値で、温度23±3℃、湿度55±10%のクリーンルーム内で行った。
この場合、リールのクッション部としては、発泡倍率が30倍のものを用い、厚さは3mmに設定した。
なお、リールの巻芯の直径は、55mmである。
This test was carried out in a clean room at an actual value of temperature 23 ± 3 ° C. and humidity 55 ± 10%.
In this case, the reel cushioning part had a foaming ratio of 30 times, and the thickness was set to 3 mm.
The diameter of the reel core is 55 mm.

この接着剤はみ出し試験の結果を表1及び表2に示す。
表1は、クッション部を設けたリールにおいて、異方導電性接着フィルムの巻き長さ(m)と引き出し張力(g)との関係を示すものであり、表2は、クッション部を設けないリールにおいて、異方導電性接着フィルム巻き長さ(m)と引き出し張力(g)との関係を示すものである。
Tables 1 and 2 show the results of the adhesive protrusion test.
Table 1 shows the relationship between the winding length (m) of the anisotropic conductive adhesive film and the pulling tension (g) in the reel provided with the cushion part, and Table 2 shows the reel provided with no cushion part. Shows the relationship between the anisotropic conductive adhesive film winding length (m) and the drawing tension (g).

Figure 0005046208
Figure 0005046208

Figure 0005046208
Figure 0005046208

ここで、○は、接着剤のはみ出しが認められなかったもの、△は、部分的に接着剤のはみ出しは認められるが実用可能なもの、×は、接着剤のはみ出しによって実用が困難なものを表す。   Here, ◯ indicates that the adhesive did not protrude, △ indicates that the adhesive partially protrudes but is practical, and × indicates that it is difficult to use due to the adhesive protruding. To express.

表1及び表2から明らかなように、リールにクッション部を設けることにより、接着剤のはみ出しが大幅に減っていることが理解される。
特に、異方導電性接着フィルムの巻き長さがが50mで引き出し時の張力が50gのリールの場合には、リールにクッション部を設けることにより、接着剤のはみ出しを防止することができるようになった。
As is apparent from Tables 1 and 2, it is understood that the protrusion of the adhesive is greatly reduced by providing the cushion portion on the reel.
In particular, when the anisotropic conductive adhesive film has a winding length of 50 m and a reel with a pulling tension of 50 g, it is possible to prevent the adhesive from protruding by providing a cushion portion on the reel. became.

これは、現在使用されているもののうちでも異方導電性接着フィルムに加わる負荷が上限に属するものである。したがって、巻き長さが50m未満で引き出し時の張力が50g未満のリールの場合には、接着剤のはみ出しは全く生じていない。   This is because the load applied to the anisotropic conductive adhesive film belongs to the upper limit among those currently used. Therefore, in the case of a reel having a winding length of less than 50 m and a pulling tension of less than 50 g, the adhesive does not protrude at all.

<巻き品質試験>
図3は、本発明における接着剤の試験方法に用いた測定冶具を示す正面図である。
<Winding quality test>
FIG. 3 is a front view showing a measuring jig used in the adhesive testing method of the present invention.

ここでは、クッション部を設けたリールとクッション部を設けないリールを用意し、図3に示すように、上述した異方導電性接着フィルム2Aを所定長さ巻き付けた各リール3から引き出した異方導電性接着フィルム2Aに対し、プッシュプルゲージ40を用い、所定の負荷を加え、異方導電性接着フィルム2Aに巻巣や巻ずれが生ずるかどうかを目視で観察した。   Here, a reel provided with a cushion part and a reel not provided with a cushion part are prepared, and as shown in FIG. 3, the anisotropic conductive adhesive film 2A described above is drawn out from each reel 3 wound with a predetermined length. A predetermined load was applied to the conductive adhesive film 2A using a push-pull gauge 40, and it was visually observed whether or not a winding nest or a winding deviation occurred in the anisotropic conductive adhesive film 2A.

<評価>
異方導電性接着フィルムの巻き長さが50mのリールを用い、クッション部の発泡倍率を5倍〜40倍に変更するとともに、クッション部の厚さを0.5mm〜3mmに変更し、引き出し時の張力が50gの条件で、上記接着剤はみ出し試験と巻き品質試験を行った。その結果を表3に示す。
<Evaluation>
Using a reel with an anisotropic conductive adhesive film winding length of 50m, changing the foaming ratio of the cushion part from 5 to 40 times, changing the thickness of the cushion part from 0.5mm to 3mm, and pulling it out The adhesive protruding test and the winding quality test were conducted under the condition of a tension of 50 g. The results are shown in Table 3.

なお、表中の巻き品質の評価において、○は、フィルムに巻巣や巻ずれが認められなかったもの、△は、部分的にフィルムの巻巣や巻ずれは認められるが実用可能なもの、×は、フィルムの巻巣や巻ずれによって実用が困難なものを表す。   In the evaluation of the winding quality in the table, ○ indicates that no film nest or winding deviation was observed on the film, and Δ indicates that the film nudity or winding misalignment is partially recognized but is practical. X represents a film that is difficult to be practically used due to the winding nest or winding deviation of the film.

また、総合判定については、○は、接着剤はみ出し及び巻き品質が良好なもの、△は、一部接着剤はみ出し及び巻き品質が認められるが実用可能なもの、×は、接着剤はみ出し及び巻き品質の不良によって実用が困難なものを表す。   In addition, regarding the comprehensive judgment, ○ indicates that the adhesive protruding and winding quality is good, Δ indicates that some adhesive protruding and winding quality is recognized, but it is practical, and × indicates adhesive protruding and winding quality. This means that it is difficult to use due to the defect.

Figure 0005046208
Figure 0005046208

表3から明らかなように、リールのクッション部の発泡倍率が5倍の場合は、クッション部の厚さを3mmとすることにより、同発泡倍率が15倍の場合は、クッション部の厚さを1〜3mmとすることにより、同発泡倍率が30倍の場合は、クッション部の厚さを0.5〜3mmとすることにより、同発泡倍率が40倍の場合は、クッション部の厚さを0.5〜1mmとすることにより、実用可能な異方導電性接着フィルムの引き出しを行うことができた。   As is apparent from Table 3, when the foaming ratio of the cushion part of the reel is 5 times, the thickness of the cushion part is set to 3 mm. When the foaming ratio is 15 times, the thickness of the cushion part is set to 3 mm. If the foaming ratio is 30 times, the cushion part thickness is 0.5 to 3 mm. If the foaming ratio is 40 times, the cushion part thickness is By setting the thickness to 0.5 to 1 mm, a practical anisotropic conductive adhesive film could be pulled out.

なお、異方導電性接着フィルムとして、粘弾性が1×105Pa・sのものを用いて上記同様の接着剤はみ出し試験と巻き品質試験を行ったところ、全ての項目で問題が生じなかった。 In addition, as an anisotropic conductive adhesive film, a viscoelasticity of 1 × 10 5 Pa · s was used, and the same adhesive protrusion test and winding quality test were performed. As a result, no problems occurred in all items. .

(a):本発明を実施するための接着フィルム貼付装置及び本発明方法の実施の形態を示す説明図である(3層構造の接着フィルムの場合)。(b):本発明を実施するための接着フィルム貼付装置及び本発明方法の実施の形態を示す説明図である(2層構造の接着フィルムの場合)。(A): It is explanatory drawing which shows embodiment of the adhesive film sticking apparatus for implementing this invention, and this invention method (in the case of the adhesive film of a 3 layer structure). (B): It is explanatory drawing which shows embodiment of the adhesive film sticking apparatus for implementing this invention, and this invention method (in the case of the adhesive film of a 2 layer structure). 本発明における接着剤のはみ出し試験方法に用いた測定冶具を示す斜視図である。It is a perspective view which shows the measuring jig used for the protrusion test method of the adhesive agent in this invention. 本発明における接着剤の試験方法に用いた測定冶具を示す正面図である。It is a front view which shows the measuring jig used for the test method of the adhesive agent in this invention.

符号の説明Explanation of symbols

1A、1B…接着フィルム貼付装置
2…接着フィルム
2A…異方導電性接着フィルム
3…リール
10…貼付部
15…巻芯部
16…クッション部
20…貼付対象物
DESCRIPTION OF SYMBOLS 1A, 1B ... Adhesive film sticking apparatus 2 ... Adhesive film 2A ... Anisotropic conductive adhesive film 3 ... Reel 10 ... Sticking part 15 ... Core part 16 ... Cushion part 20 ... Sticking object

Claims (3)

リールに巻き付けられた接着フィルムを引き出して貼付対象物に貼り付ける接着フィルムの貼付方法であって、
前記リールの巻芯部にクッション部を設け、
前記クッション部として、発泡倍率が5倍〜40倍の材料を用いて構成され且つ厚さが0.1mm〜10mmであるものを用い
前記接着フィルムとして、粘弾性が6×10 4 Pa・s以下で且つ巻き長さが300m以下のものを用い、
前記接着フィルムを、100g以下の張力で引き出す接着フィルムの貼付方法。
A method for attaching an adhesive film that draws an adhesive film wound around a reel and attaches it to an object to be applied,
A cushion part is provided in the core part of the reel,
As the cushion portion, a material having a foaming ratio of 5 to 40 times and a thickness of 0.1 mm to 10 mm is used .
As the adhesive film, a film having a viscoelasticity of 6 × 10 4 Pa · s or less and a winding length of 300 m or less is used.
A method for attaching an adhesive film in which the adhesive film is pulled out with a tension of 100 g or less .
前記接着フィルムが、絶縁性接着剤樹脂中に導電性粒子が分散された異方導電性接着フィルムである請求項1記載の接着フィルムの貼付方法。   The adhesive film sticking method according to claim 1, wherein the adhesive film is an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive resin. リールに、絶縁性接着剤樹脂中に導電性粒子が分散された異方導電性接着フィルムが巻き付けられた接着フィルム巻付リールであって、
前記リールの巻芯部分にクッション部が設けられ、前記クッション部が、発泡倍率が5倍〜40倍の材料を用いて構成されるとともに、前記クッション部の厚さが0.1mm〜10mmであり、
前記異方導電性接着フィルムの粘弾性が6×104Pa・s以下である接着フィルム巻付リール。
An adhesive film winding reel in which an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive resin is wound on a reel,
A cushion part is provided in the core part of the reel, the cushion part is made of a material having a foaming ratio of 5 to 40 times, and the thickness of the cushion part is 0.1 mm to 10 mm. ,
An adhesive film winding reel in which the anisotropic conductive adhesive film has a viscoelasticity of 6 × 10 4 Pa · s or less.
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