JP2017128635A - 樹脂組成物、導電性銅ペースト、および半導体装置 - Google Patents
樹脂組成物、導電性銅ペースト、および半導体装置 Download PDFInfo
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Abstract
Description
〔1〕(A)含有酸素量が0.3質量%以下の銅粉、(B)熱硬化性樹脂、(C)脂肪酸、および(D)アミンまたはアミン化合物を含有することを特徴とする、樹脂組成物。
〔2〕(A)成分の平均粒子径が、1〜10μmの範囲である、上記〔1〕記載の樹脂組成物。
〔3〕(B)成分が、エポキシ樹脂、フェノール樹脂、メラミン樹脂、キシレン樹脂、および尿素樹脂からなる群から選択される少なくとも1種である、上記〔1〕または〔2〕記載の樹脂組成物。
〔4〕(C)成分が、オレイン酸、リノール酸、リノレン酸、ステアリン酸、パルミチン酸およびラウリン酸からなる群より選ばれる少なくとも1種である、上記〔1〕〜〔3〕のいずれか記載の樹脂組成物。
〔5〕(D)成分が、トリエタノールアミン、または4,4’−ジアミノ−3,3’−ジメチルジフェニルメタンを含有する、上記〔1〕〜〔4〕のいずれか記載の樹脂組成物。
〔6〕上記〔1〕〜〔5〕のいずれか記載の樹脂組成物を用いる、導電性銅ペースト。
〔7〕上記〔6〕記載の導電性銅ペーストの硬化物。
〔8〕上記〔1〕〜〔5〕のいずれか1項記載の樹脂組成物の硬化物を含む、半導体装置。
本発明の樹脂組成物(以下、樹脂組成物という)は、(A)含有酸素量が0.3質量%以下の銅粉、(B)熱硬化性樹脂、(C)脂肪酸、および(D)アミンまたはアミン化合物を含有することを特徴とする。
オレイン酸(CH3(CH2)7CH=CH(CH2)7COOH、シス−9−オクタデセン酸、液体)、
リノール酸(CH3−(CH2)4−CH=CHCH2CH=CH(CH2)7COOH、シス−9,シス−12−オクタデカジエン酸、液体)、
リノレン酸(CH3CH2CH=CHCH2CH=CHCH2CH=CH(CH2)7COOH、シス−9,シス−12,シス−15−オクタデカトリエン酸、液体)、
ステアリン酸(CH3(CH2)16COOH、オクタデカン酸、白色固体)、
パルミチン酸(CH3(CH2)14COOH、ヘキサデカン酸、白色固体)、および
ラウリン酸(CH3(CH2)10COOH、ドデカン酸、白色固体)
からなる群より選ばれる少なくとも1種であると、銅粉との濡れ性が優れる観点から好ましく、オレイン酸が、より好ましい。(C)成分は、単独でも2種以上を併用してもよい。
本発明の半導体装置は、上述の樹脂組成物の硬化物、すなわち導電性銅ペーストの硬化物を有する。半導体装置は、例えば、導電部を有する基板と、電極部を有する半導体素子とを含み、上記樹脂組成物の硬化物である樹脂組成物硬化膜で、基板の導電部と半導体素子の電極部とが接合される。
(A)成分として、三井金属鉱業(株)製電解銅粉(品名:ECY−4B大粒径品、酸素量:0.08%、比表面積:0.258m2/g、タップ密度:3.77g/cm3、平均粒径:10.9μm)、三井金属鉱業(株)製電解銅粉(品名:ECY−4B、酸素量:0.11%、比表面積:0.223m2/g、タップ密度:4.65g/cm3、平均粒径:6.7μm)、三井金属鉱業(株)製液相還元銅粉(品名:CS−20D、酸素量:0.27%、比表面積:0.339m2/g、タップ密度:3.85g/cm3、平均粒径:2.9μm)、三井金属鉱業(株)製液相還元銅粉(品名:CS−10D、酸素量:0.26%、比表面積:0.656m2/g、タップ密度:4.55g/cm3、平均粒径:1.0μm)を使用した。なお、三井金属鉱業(株)製電解銅粉(品名:ECY−4B)は、大気中、100℃、15時間の酸化処理を行い、酸素量:0.21%、比表面積:0.252m2/g、タップ密度:4.44g/cm3)としたものと、大気中、100℃、550時間の酸化処理を行い、酸素量:0.47%、比表面積:0.446m2/g、タップ密度:4.08g/cm3)としたものも使用した。
(B)成分として、DIC(株)製ビスフェノールF型エポキシ樹脂(品名:EPICLON EXA−835LV)、旭化成イーマテリアルズ(株)製ビスフェノールA型エポキシ樹脂(品名:AER6072)、明和化成(株)製ノボラック型フェノール樹脂(品名:MEH−8005)、群栄化学(株)製ノボラック型フェノール樹脂(品名:レジトップ PSM4324)、昭和電工(株)製レゾール型フェノール樹脂(品名:ショウノールCKM−908)、昭和電工(株)製レゾール型フェノール樹脂(品名:ショウノールCKM−918A)を使用した。
(C)成分として、和光純薬工業(株)製のオレイン酸、ステアリン酸を、
(D)成分として、和光純薬工業(株)製トリエタノールアミン(TEA、2,2’,2”−ニトリロトリエタノール)、日本化薬製アミン4,4’−ジアミノ−3,3’−ジメチルジフェニルメタン(品名:カヤハードAA)を、
硬化促進剤として、四国化成工業(株)製イミダゾール(2−フェニル−4−メチル−5−ヒドロキシメチルイミダゾール、品名:キュアゾール2P4MHZ−PW)、
分散剤として、(株)CRODA製分散剤(品名:HypermerKD−57)を、
希釈剤として、東邦化学(株)製希釈剤(品名:ハイソルブ EPH)を使用した。
表1〜5に示す割合で、原料を三本ロールミルで均一に混練し、樹脂組成物を調製した。(A)成分と、(B)成分、(C)成分、および(D)成分を、三本ロールミルで均一に混練し、樹脂組成物を調製した。最後に、ブルックフィールド型粘度計(型番:HBDV−1、14号ローター、10rpm)で粘度を測定し、20〜25Pa・sの範囲になるように、希釈剤を加えた。なお、(B)成分が固体で混練しにくい場合には、(B)成分を予め希釈剤の一部で溶解した後、他の成分を混練した。
《初期粘度測定》
樹脂組成物を作製した後、24時間以内にブルックフィールド型粘度計(HBDV−1、14号ローター)を用い、25℃、10回転で、樹脂組成物を測定した。
アルミナ基板上に、樹脂組成物を、スクリーン印刷機で、幅:1mm、長さ:71mmのパターンを印刷し、ベルトコンベア式硬化炉で窒素雰囲気中、200℃×30分間加熱処理して、硬化させた。得られた樹脂組成物硬化膜の膜厚は、(株)東京精密製表面粗さ形状測定機(型番:サーフコム1500SD−2)を用いて、抵抗値は、(株)TFFケースレーインスツルメンツ製デジタルマルチメーター(型番:2001)を用いて、それぞれ測定し、体積抵抗率を算出し、比抵抗値とした。
Claims (8)
- (A)含有酸素量が0.3質量%以下の銅粉、(B)熱硬化性樹脂、(C)脂肪酸、および(D)アミンまたはアミン化合物を含有することを特徴とする、樹脂組成物。
- (A)成分の平均粒子径が、1〜10μmの範囲である、請求項1記載の樹脂組成物。
- (B)成分が、エポキシ樹脂、フェノール樹脂、メラミン樹脂、キシレン樹脂、および尿素樹脂からなる群から選択される少なくとも1種である、請求項1または2記載の樹脂組成物。
- (C)成分が、オレイン酸、リノール酸、リノレン酸、ステアリン酸、パルミチン酸およびラウリン酸からなる群より選ばれる少なくとも1種である、請求項1〜3のいずれか1項記載の樹脂組成物。
- (D)成分が、トリエタノールアミン、または4,4’−ジアミノ−3,3’−ジメチルジフェニルメタンを含有する、請求項1〜4のいずれか1項記載の樹脂組成物。
- 請求項1〜5のいずれか1項記載の樹脂組成物を用いる、導電性銅ペースト。
- 請求項6記載の導電性銅ペーストの硬化物。
- 請求項1〜5のいずれか1項記載の樹脂組成物の硬化物を含む、半導体装置。
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PCT/JP2017/000596 WO2017126382A1 (ja) | 2016-01-19 | 2017-01-11 | 樹脂組成物、導電性銅ペースト、および半導体装置 |
CN201780005680.8A CN108473779B (zh) | 2016-01-19 | 2017-01-11 | 树脂组合物、导电性铜浆料及半导体装置 |
US16/067,873 US10892242B2 (en) | 2016-01-19 | 2017-01-11 | Resin composition, conductive copper paste, and semiconductor device |
KR1020187019222A KR102665528B1 (ko) | 2016-01-19 | 2017-01-11 | 수지 조성물, 도전성 구리 페이스트 및 반도체 장치 |
TW106101179A TWI750148B (zh) | 2016-01-19 | 2017-01-13 | 樹脂組成物、導電性銅膏、以及半導體裝置 |
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US10347388B2 (en) * | 2015-03-05 | 2019-07-09 | Namics Corporation | Conductive copper paste, conductive copper paste cured film, and semiconductor device |
JP2017141330A (ja) * | 2016-02-08 | 2017-08-17 | ナミックス株式会社 | 樹脂組成物、導電性銅ペースト、導電性銅ペーストの硬化物、および半導体装置 |
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EP3814035A1 (en) * | 2018-06-26 | 2021-05-05 | Alpha Assembly Solutions Inc. | Nano copper paste and film for sintered die attach and similar applications |
CN111205600B (zh) * | 2020-02-21 | 2023-04-21 | 中国石油化工股份有限公司 | 环氧树脂制剂、填充剂、管道修复材料及制备方法 |
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US20200266170A1 (en) | 2020-08-20 |
WO2017126382A1 (ja) | 2017-07-27 |
KR102665528B1 (ko) | 2024-05-10 |
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