JP4602970B2 - 電気的安定性及び耐衝撃性の電子デバイス用導電性接着剤組成物 - Google Patents
電気的安定性及び耐衝撃性の電子デバイス用導電性接着剤組成物 Download PDFInfo
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- JP4602970B2 JP4602970B2 JP2006508764A JP2006508764A JP4602970B2 JP 4602970 B2 JP4602970 B2 JP 4602970B2 JP 2006508764 A JP2006508764 A JP 2006508764A JP 2006508764 A JP2006508764 A JP 2006508764A JP 4602970 B2 JP4602970 B2 JP 4602970B2
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- thermosetting composition
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- silver
- epoxy
- imidazole
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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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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/12—Using specific substances
- H05K2203/122—Organic non-polymeric compounds, e.g. oil, wax or thiol
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/12—Using specific substances
- H05K2203/122—Organic non-polymeric compounds, e.g. oil, wax or thiol
- H05K2203/124—Heterocyclic organic compounds, e.g. azole, furan
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- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Description
エポキシ‐アミン系のプレポリマー及び物理的ブレンドのサンプルを調製した。ビスフェノール‐Aのジグリシジルエーテルとビスフェノール‐Fのジグリシジルエーテルの混合物(東都化成(株)からZS1059として商業的に入手可能)55.56重量%、及び44.44重量%のポリ(オキシ(メチル‐1,2‐エタンジイル)、α‐(2‐アミノメチルエチル)ω‐2(2‐アミノメチルエエトキシ)(Huntsman Petrochemical Co.からJeffamine(登録商標)D‐2000として商業的に入手可能)を混合することによって、エポキシとアミンの物理的ブレンド(配合剤A)を作製した。その物理的ブレンドを通常のオーブン中で120℃に6時間加熱することによって、プレポリマー(配合剤B)を生成した。IRスペクトルによって配合剤Aと配合剤Bを試験し、そして配合剤Bがサンプル中のヒドロキシル官能性基の存在を示す波長3439cm-1でのピークを示した。配合剤Aは波長3439cm-1でのピークを有さなかった。そのことは、ヒドロキシル官能性基が無いことを示す。アミンとエポキシ系の典型的な重合反応は、ヒドロキシル官能性基を有する線状鎖の形成をもたらす。プレポリマーのスペクトルがその証拠を示している。
イミダゾールによって触媒されたエポキシ‐脂肪族アミンプレポリマーを含む5個の異なる接着剤配合物によって、導電性接着剤の初期接触抵抗を試験した。120℃でγ‐ブチロラクトン中にNovolac 1166を溶解することによって、それらの配合物を作製した。その溶液を室温に冷却し、成分の残りを添加し、次いで全体を機械的攪拌機によって混合した。配合物の組成が表2に示されている。
実施例2におけるサンプルと同様な方法で、二つの追加サンプルを調製した。それらの配合が表5に示されている。
実施例2に従って配合された導電性接着剤のサンプルを、3インチ(76mm)×1.5インチ(38mm)のむきだしの銅板上に型付けした。その型板の寸法は25×25×0.33mmであった。次いでダミーのリードチップ(PLCC)をその型付けされた接着剤の上に配置して、その板全体を175℃で1時間加熱した。その板を室温に冷却し、そして管内の硬い表面上に36インチ(91cm)又は60インチ(150cm)からそのチップ‐接着剤‐板の組立て体全体を落とすことによって、落下性能を評価した。その管は、そのアセンブリーが垂直な位置に保持され、それが硬い表面に接触するようにその位置が維持されるのを確実にした。それらの落下試験の結果が表6に纏めて示されている。
異なる温度で硬化させた接着剤の性能を、種々の温度及び湿度の条件下で試験した。プレポリマーを含む配合物Aを二つのアセンブリーに使用した。その内の一つを150℃で、もう一つを175℃で硬化した。それらのサンプルの落下試験結果が表7に示されている。
実施例2中で説明した電気部品を含む試験体をFR‐r4板上に設置して、ダイシェアー(die shear)試験にかけた。ダイシェアー試験は、銅基板上での導電性接着剤の接着強度を実証するものである。Royce552dieなる自動ダイシェアー試験機を使用した。全ての実験を室温で実施した。基板上の部品は錫/鉛末端を有する0204零抵抗体である。ダイシェアー試験機から自動的に移動するチップ(tip)がその基板上の部品を押出し、最大の力がダイシェアー強度として記録される。それらの結果が表8に示されている。
Claims (10)
- マイクロエレクトロニクスデバイスにおける使用のための熱硬化性組成物であって、
(a)少なくとも1種のエポキシ樹脂と少なくとも1種の脂肪族ジアミンのプレポリマーを含む樹脂系であって、該エポキシ樹脂中のエポキシ官能基の該脂肪族ジアミン中のアミン官能基に対する比が1より大きい、樹脂系、
(b)導電性充填剤、
(c)腐蝕抑制剤、及び
(d)イミダゾールである、硬化剤、
を含む、熱硬化性組成物。 - 前記少なくとも1種の脂肪族ジアミンが、ポリオキシプロピレンジアミンである、請求項1に記載の熱硬化性組成物。
- 前記少なくとも1種のエポキシ樹脂が、ビスフェノール‐Aのジグリシジルエーテルとビスフェノール‐Fのジグリシジルエーテルの混合物である、請求項1に記載の熱硬化性組成物。
- 前記導電性充填剤が、銀、銅、金、パラジウム、白金、カーボンブラック、ビスマス、錫、ビスマス‐錫合金、炭素繊維、グラファイト、アルミニウム、インジウム錫酸化物、銀被覆銅、銀被覆アルミニウム、金属被覆ガラス球、銀被覆繊維、銀被覆球、アンチモンドープ錫酸化物及びそれらの混合物からなる群から選択されるものである、請求項1に記載の熱硬化性組成物。
- 前記イミダゾールが4‐メチル‐2‐フェニルイミダゾール又は2‐エチル,4‐メチル‐イミダゾールである、請求項1に記載の熱硬化性組成物。
- 前記腐蝕抑制剤が8‐ヒドロキシキノリンである、請求項1に記載の熱硬化性組成物。
- 前記プレポリマーが10〜90重量%の量で存在する、請求項1に記載の熱硬化性組成物。
- 前記導電性充填剤が30〜90重量%の量で存在する、請求項1に記載の熱硬化性組成物。
- 前記腐蝕抑制剤が0.1〜10重量%の量で存在する、請求項1に記載の熱硬化性組成物。
- 前記硬化剤が0.1〜10重量%の量で存在する、請求項1に記載の熱硬化性組成物。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/377,988 US7108806B2 (en) | 2003-02-28 | 2003-02-28 | Conductive materials with electrical stability and good impact resistance for use in electronics devices |
PCT/US2004/004844 WO2004078870A1 (en) | 2003-02-28 | 2004-02-18 | Conductive adhesive compositions with electical stability and good impact resistance for use in electronics devices |
Publications (3)
Publication Number | Publication Date |
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JP2006524286A JP2006524286A (ja) | 2006-10-26 |
JP2006524286A5 JP2006524286A5 (ja) | 2010-07-15 |
JP4602970B2 true JP4602970B2 (ja) | 2010-12-22 |
Family
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JP2006508764A Expired - Fee Related JP4602970B2 (ja) | 2003-02-28 | 2004-02-18 | 電気的安定性及び耐衝撃性の電子デバイス用導電性接着剤組成物 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7108806B2 (ja) |
EP (1) | EP1597332B1 (ja) |
JP (1) | JP4602970B2 (ja) |
KR (1) | KR101170395B1 (ja) |
CN (1) | CN100393836C (ja) |
AT (1) | ATE394459T1 (ja) |
DE (1) | DE602004013544D1 (ja) |
WO (1) | WO2004078870A1 (ja) |
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2003
- 2003-02-28 US US10/377,988 patent/US7108806B2/en not_active Expired - Fee Related
-
2004
- 2004-02-18 JP JP2006508764A patent/JP4602970B2/ja not_active Expired - Fee Related
- 2004-02-18 WO PCT/US2004/004844 patent/WO2004078870A1/en active Application Filing
- 2004-02-18 DE DE602004013544T patent/DE602004013544D1/de not_active Expired - Fee Related
- 2004-02-18 KR KR1020057016031A patent/KR101170395B1/ko not_active IP Right Cessation
- 2004-02-18 EP EP04712396A patent/EP1597332B1/en not_active Expired - Lifetime
- 2004-02-18 CN CNB2004800052335A patent/CN100393836C/zh not_active Expired - Fee Related
- 2004-02-18 AT AT04712396T patent/ATE394459T1/de not_active IP Right Cessation
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EP1597332B1 (en) | 2008-05-07 |
EP1597332A1 (en) | 2005-11-23 |
KR101170395B1 (ko) | 2012-08-01 |
US20040169162A1 (en) | 2004-09-02 |
CN100393836C (zh) | 2008-06-11 |
ATE394459T1 (de) | 2008-05-15 |
KR20050105502A (ko) | 2005-11-04 |
CN1788062A (zh) | 2006-06-14 |
JP2006524286A (ja) | 2006-10-26 |
DE602004013544D1 (de) | 2008-06-19 |
US7108806B2 (en) | 2006-09-19 |
WO2004078870A1 (en) | 2004-09-16 |
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