JP5177480B2 - 半導体封止用エポキシ樹脂組成物および半導体装置 - Google Patents
半導体封止用エポキシ樹脂組成物および半導体装置 Download PDFInfo
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- JP5177480B2 JP5177480B2 JP2007158009A JP2007158009A JP5177480B2 JP 5177480 B2 JP5177480 B2 JP 5177480B2 JP 2007158009 A JP2007158009 A JP 2007158009A JP 2007158009 A JP2007158009 A JP 2007158009A JP 5177480 B2 JP5177480 B2 JP 5177480B2
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- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-M octanoate Chemical compound CCCCCCCC([O-])=O WWZKQHOCKIZLMA-UHFFFAOYSA-M 0.000 description 1
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- QLAGHGSFXJZWKY-UHFFFAOYSA-N triphenylborane;triphenylphosphane Chemical compound C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 QLAGHGSFXJZWKY-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Epoxy Resins (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
(1)式(1)
で表される成分の含有割合が10重量%以上であるフェノール樹脂、無機充填剤および必要により硬化促進剤を含有する半導体封止用エポキシ樹脂組成物。
(2)無機充填剤の含有割合が75〜85重量%である上記(1)記載の半導体封止用エポキシ樹脂組成物。
(3)上記(1)または(2)記載の半導体封止用エポキシ樹脂組成物で半導体素子を封止した半導体装置。
(4)半導体素子が銅系のリードフレームに搭載されている、上記(3)記載の半導体装置。
を、提供するものである。
本発明においては、フェノールとビスハロゲノメチルベンゼン類、ビスアルコキシメチルベンゼン類、キシリレングリコール類またはジビニルベンゼン類の仕込み比をモル比で、前者:後者=1:0.65〜0.10で反応を行うことにより、下記式(a)
で表される成分の含有割合が通常10重量%以上100重量%以下、好ましくは15重量%以上50重量%以下の範囲である式(2)の化合物を使用する。式(a)の化合物の含有割合は、通常ゲルパーミエーションクロマトグラフィー(GPC)で測定することができる。また式(2)の化合物において、低分量物の含有割合が多いとその軟化点が低くなる傾向にあり、本発明においては通常、その軟化点が50〜80℃のものを用いる。軟化点が低い方が流動性及び難燃性は向上するが、耐熱性を上げるには軟化点が高いもの使用することが好ましい。
また、熱放散性や高速電気特性の問題から銅系リードフレームを用いるのが好ましい。銅系のリードフレームとは、銅合金を素材とし、各種メッキ化工を施したリードフレームである。
各種成分を表1の割合(重量部)で配合し、ミキシングロールで混練、タブレット化後、トランスファー成形で樹脂成形体を調製し、160℃で2時間、更に180℃で8時間硬化させ、硬化物の物性を測定した。結果を表1に示す。
なお、硬化物の物性は以下の要領で測定した。
・吸湿率:121℃で湿度100%の条件下で24時間保存後の重量増加率。試験片は直径50mm×厚み4mmの円盤。
・難燃性:UL94に準拠して行った。ただし、サンプルサイズは幅12.5mm×長さ150mmとし、厚さは0.8mmと1.6mmの2種類で試験を行った。
・残炎時間:5個1組のサンプルに10回接炎したあとの残炎時間の合計
(E1):式(1)の化合物(商品名:XD−1000 日本化薬製 エポキシ当量254g/eq 軟化点74℃)
(E2):式(1)の化合物(商品名:XD−1000−L 日本化薬製 エポキシ当量245g/eq 軟化点66℃)
(E3):式(1)の化合物(商品名:XD−1000−2L 日本化薬製 エポキシ当量241g/eq 軟化点57℃)
(E4)下記式(3)の化合物
(H2):式(2)の化合物(商品名:ミレックス XLC−3L 三井化学製 軟化点71℃ 水酸基当量172g/eq 式(a)の成分の含有割合は21重量%)
(H3):式(2)の化合物(商品名:ミレックス XLC−4L 三井化学製 軟化点63℃ 水酸基当量170g/eq 式(a)の成分の含有割合は27重量%)
(H4):式(2)の化合物(商品名:ミレックス XL−225 三井化学製 軟化点91℃ 式(a)の成分の含有割合は8重量%)
*式(a)の成分の含有割合は下記のGPC条件で測定した。
カラム:Shodex KF-803+KF-802+KF-801
カラム温度:40℃
溶剤:テトラヒドロフラン
流量:1ml/min
検出:RI
無機充填剤:溶融シリカ(商品名:MSR−2212、龍森製)
離型剤:カルナバワックス1号(セラリカ野田製)
カップリング剤:KBM−303(信越化学製)
Claims (4)
- 式(1)
で表される成分の含有割合が10重量%以上である水酸基当量が172g/eq.以下のフェノール樹脂、無機充填剤および必要により硬化促進剤を含有する半導体封止用エポキシ樹脂組成物。ただし、(A)エポキシ樹脂、(B)硬化剤、(C)下記一般式(I)で示される化合物を含有し、(C)下記一般式(I)で示される化合物が組成物全体の0.4〜2.0重量%である封止用エポキシ樹脂組成物を除く。
- 無機充填剤の含有割合が75〜85重量%である請求項1記載の半導体封止用エポキシ樹脂組成物。
- 請求項1または2記載の半導体封止用エポキシ樹脂組成物で半導体素子を封止した半導体装置。
- 半導体素子が銅系のリードフレームに搭載されている、請求項3記載の半導体装置。
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