JP6301366B2 - 電子部品接着材料及び電子部品の接着方法 - Google Patents
電子部品接着材料及び電子部品の接着方法 Download PDFInfo
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- JP6301366B2 JP6301366B2 JP2015554547A JP2015554547A JP6301366B2 JP 6301366 B2 JP6301366 B2 JP 6301366B2 JP 2015554547 A JP2015554547 A JP 2015554547A JP 2015554547 A JP2015554547 A JP 2015554547A JP 6301366 B2 JP6301366 B2 JP 6301366B2
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- electronic component
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- epoxy resin
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- 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
- C09J7/00—Adhesives in the form of films or foils
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- 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
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
-
- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- 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
-
- 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
- C09J2301/314—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 layer and/or the carrier being conductive
-
- 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
- C09J2463/00—Presence of epoxy resin
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Conductive Materials (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Description
[実施例1]
攪拌機、滴下ロート及び温度計を備えたガラス容器にエピクロルヒドリン700gと1,1−ビス(4−ヒドロキシフェニル)−1−フェニルエタン1100gを投入し、均一に溶解させた後、80℃まで加熱した。次いで、ガラス容器内に20%の水酸化ナトリウム水溶液400gを5時間かけて滴下し、2時間反応させた後、水相を取り除き、過剰のエピクロルヒドリンを蒸留回収して反応生成物を得た。得られた反応生成物にトルエン500gを加えて均一に溶解させ、水160gを加えて水洗した後、油水分離し、油層から水を除去した後、更にトルエンを留去させて、エポキシ樹脂A(フェノキシ型エポキシ樹脂)を得た。得られたエポキシ樹脂Aのガラス転移温度は130℃であった。
コアシェル型粒子、導電性粒子及び溶剤の配合量を表1に示す配合量とした以外は、実施例1と同様にして電子部品接着材料を得た。
コアシェル型粒子、導電性粒子及び溶剤の配合量を表1に示す配合量とした以外は、実施例1と同様にして電子部品接着材料を得た。
エポキシ樹脂A、エポキシ樹脂B(ガラス転移温度98℃)、コアシェル型有機粒子、導電性粒子及び溶剤の配合量を表1に示す配合量としたこと以外は、実施例1と同様にして電子部品接着材料を得た。
エポキシ樹脂A、エポキシ樹脂B、コアシェル型有機粒子、導電性粒子及び溶剤の配合量を表1に示す配合量としたこと以外は、実施例1と同様にして電子部品接着材料を得た。
エポキシ樹脂Aの代わりに、エポキシ樹脂Bを用い、エポキシ樹脂B、コアシェル型粒子、導電性粒子及び溶剤の配合量を表1に示す配合量とした以外は、実施例1と同様にして電子部品接着材料を得た。
コアシェル型粒子、導電性粒子及び溶剤の配合量を表1に示す配合量とした以外は、実施例1と同様にして電子部品接着材料を得た。
コアシェル型粒子、導電性粒子及び溶剤の配合量を表1に示す配合量とした以外は、実施例1と同様にして電子部品接着材料を得た。
コアシェル型粒子、導電性粒子及び溶剤の配合量を表1に示す配合量とした以外は、実施例1と同様にして電子部品接着材料を得た。
エポキシ樹脂Aに代えて、エポキシ樹脂B、エポキシ樹脂C及びイミダゾール系硬化剤(旭化成(株)製、商品名HX3921HP)を用い、エポキシ樹脂B、エポキシ樹脂C、コアシェル型粒子、導電性粒子及び溶剤の配合量を表1に示す配合量とした以外は、実施例1と同様にして電子部品接着材料を得た。
エポキシ樹脂A、エポキシ樹脂B、コアシェル型有機粒子、導電性粒子及び溶剤の配合量を表1に示す配合量としたこと以外は、実施例1と同様にして電子部品接着材料を得た。
エポキシ樹脂A、エポキシ樹脂B、コアシェル型有機粒子、導電性粒子及び溶剤の配合量を表1に示す配合量としたこと以外は、実施例1と同様にして電子部品接着材料を得た。
フェノキシ型エポキシ樹脂、コアシェル型有機粒子、導電性粒子、溶剤を表1に示す割合で配合して混合し、導電性接着ペーストを得た。この導電性接着ペーストをフレキシブルプリント基板に塗布して、このペーストを介してフレキシブルプリント基板とFR−4(ガラスエポキシ銅張積層板)とを貼り合わせ、温度180℃、圧力4MPaで7秒間プレスすることにより貼り合わせ、評価用サンプルを作成し、以下の方法で剥離強度、接続抵抗値、チキソ性、リワーク特性を、測定又は評価した。各成分の配合を表1に、測定・評価結果を表2に示す。
エポキシ樹脂B:ビスフェノールA型エポキシ樹脂(三菱化学(株)製、商品名JER1256)
エポキシ樹脂C:スルフォニル型エポキシ樹脂(三菱化学(株)製、商品名YX8100)
潜在性硬化剤:変性イミダゾール型硬化剤(旭化成(株)製、商品名HX3921HP)
コアシェル型有機粒子:アイカ工業(株)製、商品名AC3816N(コア層:アクリル系ゴム、外殻:アクリル系ガラス状ポリマー、平均一次粒径:0.5μm)
導電性粒子:平均粒径10μmの金メッキ樹脂粒子
溶剤:ブチルカルビトールアセテート(沸点247℃)
<評価サンプル>
フレキシブルプリント基板(関西電子工業(株)製)
構成:ポリイミド25μm、接着剤20μm、銅箔18μm
メッキ:ニッケル3μm、金0.05μm
ガラスエポキシ基板(関西電子工業(株)製)
構成:銅箔35μm
メッキ:ニッケル3μm、金0.05μm
<測定・評価方法>
リワーク特性:評価用サンプルのフレキシブルプリント基板を、200℃の環境下で引張試験機(島津製作所(株)製、商品名AGS−X50S)で引張速度50m/分、剥離角度90°にて剥離し、破断時の最大値を測定した。10N/cm以下であれば、リワーク性が良好である。
A:糸引き、版ぬけ、泡かみ、にじみ等の不具合がなく、印刷作業性良好、
B:不具合が若干あるが、許容範囲であり、印刷作業性やや良好、
C:不具合が顕著にあり、印刷作業性不良。
2……ガラスエポキシ基板
3……抵抗計
Claims (5)
- 樹脂成分100質量部に対し、
コアシェル型有機粒子20〜100質量部、及び
導電性粒子0.1〜100質量部を含有してなり、
前記樹脂成分がエポキシ樹脂からなり、前記樹脂成分100質量部中、ガラス転移温度が100℃以上の実質的に架橋構造を形成しないフェノキシ型エポキシ樹脂を50質量部以上含有し、
エポキシ樹脂用硬化剤を含有しないことを特徴とする、
電子部品接着材料。 - 請求項1に記載の電子部品接着材料に対して、溶剤を100〜900質量部含有することを特徴とする、導電性ペースト。
- 請求項1に記載の電子部品接着材料を含有する被膜が剥離基材上に形成されてなる、導電性接着フィルム。
- 電子部品が、請求項1に記載の電子部品接着材料からなる導体層を介して回路基板に接着していることを特徴とする電子機器。
- 前記電子機器を200℃に加熱したときの、引張速度50m/分、剥離角度90°にて剥離し、破断時の最大値として測定される、電子部品の剥離強度が10N/cm以下であることを特徴とする、請求項4に記載の電子機器。
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