JP2005268543A - 絶縁層形成用材料及び絶縁層 - Google Patents
絶縁層形成用材料及び絶縁層 Download PDFInfo
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- JP2005268543A JP2005268543A JP2004078902A JP2004078902A JP2005268543A JP 2005268543 A JP2005268543 A JP 2005268543A JP 2004078902 A JP2004078902 A JP 2004078902A JP 2004078902 A JP2004078902 A JP 2004078902A JP 2005268543 A JP2005268543 A JP 2005268543A
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- Prior art keywords
- insulating layer
- forming material
- viscosity
- resin composition
- layer forming
- Prior art date
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- 229920001187 thermosetting polymer Polymers 0.000 claims description 15
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- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
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- Epoxy Resins (AREA)
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Abstract
【解決手段】 本発明の絶縁層形成用材料は、絶縁性を有する樹脂組成物を含有しており、且つ、25℃における粘度が50mPa・s以下である。または、20℃以下の温度における蒸気圧が1.33×103Pa未満である溶媒と、この溶媒中に溶解又は分散された絶縁性を有する樹脂組成物とを含有しており、且つ、25℃における粘度が50mPa・s以下である。
【選択図】 なし
Description
[絶縁層形成用材料の調製]
エポキシ化合物であるビスフェノールAノボラック型エポキシ樹脂(N−865;大日本インキ化学工業株式会社製)22.6g、硬化剤であるビスフェノールAノボラック樹脂(VH−4170;大日本インキ化学工業株式会社製)12.4g、及び、硬化剤である2−エチル−4−メチルイミダゾール(東京応化工業株式会社製)0.02gを、溶媒であるγ−ブチロラクトン(79℃における蒸気圧:1.33×103Pa)65.0gに溶解させて、粘度が20.4mPa・sである絶縁層形成用材料を得た。なお、粘度は、小型振動式粘度計(CJV5000;エーアンドディー社製)を用い、25℃の条件で測定して得られた値である(以下同様)。
N−865の19.3g、VH−4170の10.6g、及び、2−エチル−4−メチルイミダゾールの0.06gを、溶媒であるシクロヘキサノン(20℃における蒸気圧:4.7×102Pa)70.0gに溶解させて、粘度が10mPa・sである絶縁層形成用材料を得た。
N−865の22.6g、VH−4170の12.4g、及び、2−エチル−4−メチルイミダゾールの0.07gを、溶媒であるプロピレングリコールモノメチルエーテル(20℃における蒸気圧:1.07×103Pa)65.0gに溶解させて、粘度が10mPa・sである絶縁層形成用材料を得た。
エポキシ化合物であるビスフェノールA型エポキシ樹脂(エピコート828;ジャパンエポキシレジン社製)43.4g、硬化剤であるジシアンジアミド2.2g、及び、硬化剤である2−エチル−4−メチルイミダゾール0.43gを、溶媒であるN,N−ジメチルホルムアミド(20℃における蒸気圧:3.5×102Pa)54.0gに溶解させて、粘度が6.7mPa・sである絶縁層形成用材料を得た。
N−865の32.2g、VH−4170の17.7g、及び、2−エチル−4−メチルイミダゾール0.10gを、γ−ブチロラクトン50.0gに溶解させて、粘度が59.5mPa・sである絶縁層形成用材料を得た。
N−865の32.2g、VH−4170の17.7g、及び、2−エチル−4−メチルイミダゾール0.10gを、溶媒であるメチルエチルケトン(11.8℃における蒸気圧:6.66×104Pa)50.0gに溶解させて、粘度が12mPa・sである絶縁層形成用材料を得た。
[特性評価]
実施例1〜4及び比較例1〜2の絶縁層形成用材料を、インクジェット印刷装置を用いて絶縁性基板上にそれぞれ塗布し、所定のパターンを有する絶縁層を形成した。この絶縁層のパターン形状を観察して、各組成物を用いた場合の印字性の評価を行った。
実施例1〜4及び比較例1〜2の絶縁層形成用材料を、インクジェット印刷装置を用いて厚さ18μmの電解銅箔上にそれぞれ塗布した後、180℃で1時間の加熱を行って組成物を硬化させ、電解銅箔上に絶縁層を形成した。
Claims (8)
- 絶縁性を有する樹脂組成物を含有しており、且つ、25℃における粘度が50mPa・s以下であることを特徴とする、印刷法により絶縁層を形成するための絶縁層形成用材料。
- 20℃以下の温度における蒸気圧が1.33×103Pa未満である溶媒と、該溶媒中に溶解又は分散された絶縁性を有する樹脂組成物と、を含有しており、且つ、25℃における粘度が50mPa・s以下であることを特徴とする、印刷法により絶縁層を形成するための絶縁層形成用材料。
- 前記樹脂組成物は、熱硬化性樹脂組成物であることを特徴とする請求項1又は2記載の絶縁層形成用材料。
- 前記熱硬化性樹脂組成物は、2以上のエポキシ基を有するエポキシ化合物、及び、該エポキシ化合物を硬化させる硬化剤を含有していることを特徴とする請求項1〜3のいずれか一項に記載の絶縁層形成用材料。
- 前記エポキシ化合物として、フェノール化合物とアルデヒド化合物との付加−縮合生成物をグリシジルエーテル化して得られた化合物を含有していることを特徴とする請求項4記載の絶縁層形成用材料。
- 前記硬化剤として、フェノール化合物とアルデヒド化合物との付加−縮合生成物を含有していることを特徴とする請求項4又は5記載の絶縁層形成用材料。
- 被塗布物上に形成される絶縁層であって、
請求項1〜6のいずれか一項に記載の絶縁層形成用材料を、印刷法により前記被塗布物に塗布して形成されたことを特徴とする絶縁層。 - 複数の導体層を備える多層配線板の、前記導体層間に形成された絶縁層であって、
請求項1〜6のいずれか一項に記載の絶縁層形成用材料を、印刷法により前記導体層上に塗布して形成されたことを特徴とする絶縁層。
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JP2009283931A (ja) * | 2008-04-25 | 2009-12-03 | Hitachi Chem Co Ltd | 絶縁層、絶縁体インク及び両面電極パッケージ |
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