JP6133069B2 - 加熱硬化型接着フィルム - Google Patents
加熱硬化型接着フィルム Download PDFInfo
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- JP6133069B2 JP6133069B2 JP2013015807A JP2013015807A JP6133069B2 JP 6133069 B2 JP6133069 B2 JP 6133069B2 JP 2013015807 A JP2013015807 A JP 2013015807A JP 2013015807 A JP2013015807 A JP 2013015807A JP 6133069 B2 JP6133069 B2 JP 6133069B2
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- C—CHEMISTRY; METALLURGY
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
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- C—CHEMISTRY; METALLURGY
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- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- C—CHEMISTRY; METALLURGY
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2453/00—Presence of block copolymer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0183—Dielectric layers
- H05K2201/0195—Dielectric or adhesive layers comprising a plurality of layers, e.g. in a multilayer structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0212—Resin particles
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
- H05K3/323—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives by applying an anisotropic conductive adhesive layer over an array of pads
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Adhesive Tapes (AREA)
Description
1.接着フィルム
2.電子部品の製造方法
3.実施例
本実施の形態における接着フィルムは、第1の被着材と第2の被着材とを接着するのに用いられ、特に、一方の被着材が非極性の表面を有する場合に好適に用いることができる。非極性の表面としては、例えば、ポリプロピレン、ポリメチルペンテン等のポリオレフィン層を挙げることができる。
第1の層は、膜形成樹脂と、熱硬化性樹脂である重合性アクリル系化合物と、硬化剤であるラジカル重合開始剤とを含有する。
第2の層は、スチレン系水添ブロック共重合体を50wt%以上含有する。これにより、非極性フィルムの成分、若しくは圧着時に低分子量に分解したフィルム成分が表面に付着した被着材に対して十分な接着力を有することができる。
次に、前述した接着フィルムを用いた電子部品の接続方法について説明する。具体例として示す電子部品の接続方法は、極性表面を有する第1の電子部品と、非極性表面を有する第2の電子部品とを電気的に接続させる場合、熱硬化性樹脂と、硬化剤とを含有する第1の層と、スチレン系水添ブロック共重合体を50wt%以上含有する第2の層とを有する接着フィルムを、第1の層が極性表面側、及び第2の層が非極性表面側となるように配置し、熱圧着するものである。
以下、本発明の実施例について詳細に説明するが、本発明はこれらの実施例に限定されるものではない。
1層目の樹脂組成物50質量部及び2層目の樹脂組成物50質量部を、トルエン100質量部に溶解・混合後、バーコーターを用いて、厚みが35μmとなるように剥離PETシート上に塗布し、60℃で10分間乾燥させて溶剤を揮発させ、ACFを得た。そして、目視にて、明らかな白濁が確認できるものを「非相溶」、白濁が確認できないものを「相溶」と評価した。
TEG(Test Element Group)として、FPC(Flexible Printed Circuits、新日鐵化学(株)、L/S:300μm/300μm、Cu配線、Ni−Auメッキ、端子高さ:12μm)、及びPWB(Printed Wiring Board、FR−4グレード、パナソニック(株)、L/S:300μm/300μm、Cu配線、Ni−Auメッキ、配線高:35μm)を使用した。
各実装体について、FPC又は非極性FPCを剥離速度50mm/分で90度方向に剥離する90度剥離試験(JIS K6854−1)を行い、ピール強度を接着強度として測定した。7N/cm超を◎、7〜5N/cmを○、5N/cm未満を×と評価した。また、温度60℃、湿度95%RH、500時間の高温高湿試験後についても、接着強度を評価した。また、剥離試験後、ACFの第1の層及び第2の層が、FPC、PWBのどちらに存在するかを、顕微鏡及びFT−IRにて観察した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製、PO変性ビスフェノールAジグリシジルエーテルジアクリレート)を27質量部、2官能アクリレート(商品名:DCP、新中村化学社製、トリシクロデカンジメタノールジメタクリレート)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製、ラウロイルパーオキシド)を6質量部、平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部、及び酸変性ポリオレフィン微粒子(商品名:ユニストールR200:三井化学社製)を1質量部配合した合計100質量部の樹脂組成物を調製した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を32質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を26質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を20質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部、及び酸変性ポリオレフィン微粒子(商品名:ユニストールR200:三井化学社製)を5質量部配合した合計100質量部の樹脂組成物を調製した以外は、実施例1と同様にして、ACF及び実装体を作製し、接着強度を評価した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を27.5質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部、及び酸変性ポリオレフィン微粒子(商品名:ユニストールR200:三井化学社製)を0.5質量部配合した合計100質量部の樹脂組成物を調製した以外は、実施例1と同様にして、ACF及び実装体を作製し、接着強度を評価した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を27質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を22質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を6質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を17質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を5質量部、平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部、及び酸変性ポリオレフィン微粒子(商品名:ユニストールR200:三井化学社製)を20質量部配合した合計100質量部の樹脂組成物を調製した以外は、実施例1と同様にして、ACF及び実装体を作製し、接着強度を評価した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を27質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部、及び溶融シリカ(商品名:FB−12D:デンカ社製)を1質量部配合した合計100質量部の樹脂組成物を調製した以外は、実施例1と同様にして、ACF及び実装体を作製し、接着強度を評価した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を28質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、及び平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部配合した合計100質量部の樹脂組成物を調製した以外は、実施例1と同様にして、ACF及び実装体を作製し、接着強度を評価した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を28質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、及び平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部配合した合計100質量部の樹脂組成物を調製し、2層目として、酸変性SEBS(スチレン−エチレン・ブチレン−スチレンブロック共重合体)(商品名:クレイトンFG1924、クレイトンポリマージャパン社製)100質量部の樹脂組成物を調製した以外は、実施例1と同様にして、ACF及び実装体を作製し、接着強度を評価した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を28質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、及び平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部配合した合計100質量部の樹脂組成物を調製し、2層目として、水添スチレン・ブタジエンブロック共重合体(商品名:セプトン8076、クラレ社製)100質量部の樹脂組成物を調製した以外は、実施例1と同様にして、ACF及び実装体を作製し、接着強度を評価した。
ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を28質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、及び平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部配合した合計100質量部の樹脂組成物を調製し、厚さ35μmの1層構造のACFを作製した以外は、実施例1と同様にして、実装体を作製し、接着強度を評価した。
ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を27質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部、及び酸変性ポリオレフィン微粒子(商品名:ユニストールR200:三井化学社製)を1質量部配合した合計100質量部の樹脂組成物を調製し、厚さ35μmの1層構造のACFを作製した以外は、実施例1と同様にして、実装体を作製し、接着強度を評価した。
1層目として、ビスフェノールA型フェノキシ樹脂(商品名:YP−50、東都化成社製)を34質量部、2官能エポキシアクリレート(商品名:3002A、共栄社化学社製)を28質量部、2官能アクリレート(商品名:DCP、新中村化学社製)を8質量部、水酸基含有アクリルゴム(商品名:SG80H、長瀬ケムテックス社製)を21質量部、有機過酸化物(商品名:パーロイルL、日本油脂社製)を6質量部、及び平均粒径10μmのNi/Auメッキアクリル樹脂粒子(日本化学社製)を3質量部配合した合計100質量部の樹脂組成物を調製した。
Claims (8)
- 熱硬化性樹脂と、硬化剤とを含有する第1の接着層と、
スチレン系水添ブロック共重合体を50wt%以上含有する第2の接着層から成る加熱硬化型接着フィルム。 - 前記スチレン系水添ブロック共重合体が、酸変性物である請求項1記載の加熱硬化型接着フィルム。
- 前記第1の接着層が、酸変性されたポリオレフィン粒子を含有する請求項1又は2記載の加熱硬化型接着フィルム。
- 前記酸変性されたポリオレフィン粒子の含有量が、0.5〜20wt%である請求項3に記載の加熱硬化型接着フィルム。
- 前記酸変性されたポリオレフィン粒子の含有量が、0.5〜5wt%である請求項3に記載の加熱硬化型接着フィルム。
- 前記第1の接着層が、導電性粒子を含有する請求項1乃至5のいずれか1項に記載の加熱硬化型接着フィルム。
- 前記第1の接着層及び前記第2の接着層が、アクリル系熱硬化型である請求項1乃至6のいずれか1項に記載の加熱硬化型接着フィルム。
- 極性表面を有する第1の電子部品と、非極性表面を有する第2の電子部品とを電気的に接続させる電子部品の製造方法であって、
熱硬化性樹脂と、硬化剤とを含有する第1の層と、スチレン系水添ブロック共重合体を50wt%以上含有する第2の層とを有する接着フィルムを、前記第1の層が前記極性表面側、及び前記第2の層が前記非極性表面側となるように配置し、熱圧着する電子部品の製造方法。
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CN201480019700.3A CN105051136A (zh) | 2013-01-30 | 2014-01-28 | 粘接膜和电子部件的制造方法 |
HK16100913.6A HK1213004A1 (zh) | 2013-01-30 | 2016-01-28 | 粘接膜和電子部件的製造方法 |
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US4447485A (en) * | 1981-08-04 | 1984-05-08 | Mitsubishi Plastics Industries Limited | Adhesive tape and process for its production |
JP4032439B2 (ja) * | 1996-05-23 | 2008-01-16 | 日立化成工業株式会社 | 接続部材および該接続部材を用いた電極の接続構造並びに接続方法 |
WO1998038261A1 (en) * | 1997-02-27 | 1998-09-03 | Seiko Epson Corporation | Adhesive, liquid crystal device, method of manufacturing liquid crystal device, and electronic apparatus |
AU2001241107A1 (en) * | 2000-03-13 | 2001-09-24 | Sumitomo Chemical Company Limited | Adhesive, process for producing layered product with the adhesive, and layered product |
JP2005255829A (ja) * | 2004-03-11 | 2005-09-22 | Nitto Denko Corp | 加熱剥離型粘着シートおよび被着体の加工方法 |
JP2012094834A (ja) * | 2010-09-13 | 2012-05-17 | Sumitomo Bakelite Co Ltd | ダイシングフィルム |
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