JP2008007692A - 封止用エポキシ樹脂組成物及び電子部品装置 - Google Patents
封止用エポキシ樹脂組成物及び電子部品装置 Download PDFInfo
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Abstract
【解決手段】 (A)フェニレン骨格を有するフェノールアラルキル型エポキシ樹脂を含むエポキシ樹脂、(B)ビフェニレン骨格を有するフェノールアラルキル樹脂を含むフェノール樹脂系硬化剤、(C)硬化促進剤、(D)無機充填材、(E)トリアゾール系化合物、(F)カルボキシル基を有するブタジエン・アクリロニトリル共重合体、(G)カルボキシル基を有するシリコーンオイル及び/又はカルボキシル基を有するシリコーンオイルとエポキシ化合物との反応生成物、並びに(H)グリセリンと炭素数24以上、36以下の飽和脂肪酸からなるグリセリントリ脂肪酸エステルを含むことを特徴とする封止用エポキシ樹脂組成物。
【選択図】なし
Description
[1] (A)下記一般式(1)で表されるエポキシ樹脂(a1)を含むエポキシ樹脂、(B)下記一般式(2)で表されるフェノール樹脂(b1)を含むフェノール樹脂系硬化剤、(C)硬化促進剤、(D)無機充填材、(E)トリアゾール系化合物、(F)下記一般式(3)で表されるカルボキシル基を有するブタジエン・アクリロニトリル共重合体、(G)下記一般式(4)で表されるシリコーンオイル(g1)及び/又は下記一般式(4)で表されるシリコーンオイル(g1)とエポキシ化合物との反応生成物(g2)、並びに(H)グリセリンと炭素数24以上、36以下の飽和脂肪酸からなるグリセリントリ脂肪酸エステルを含み、前記(D)無機充填材を全エポキシ樹脂組成物中に84重量%以上、92重量%以下含むことを特徴とする封止用エポキシ樹脂組成物、
[3] 前記(E)トリアゾール系化合物が1,2,4−トリアゾール環を有する化合物(e1)である第[1]項又は第[2]項記載の封止用エポキシ樹脂組成物、
[4] 前記(E)トリアゾール系化合物が一般式(5)で表される化合物(e11)である第[1]項ないし第[3]項のいずれかに記載の封止用エポキシ樹脂、
[8] 半導体封止用であることを特徴とする第[1]項ないし第[6]項のいずれかに記載の封止用エポキシ樹脂組成物、
[9] 第[8]項記載の封止用エポキシ樹脂組成物を用いて半導体素子を封止してなることを特徴とする半導体装置、
である。
以下、各成分について詳細に説明する。
本発明で用いられるトリアゾール系化合物(E)としては、特に限定するものではないが、1,2,4−トリアゾール環を有する化合物(e1)であることが好ましく、下記一般式(5)で表される化合物(e11)であることがより好ましい。特に、下記一般式(5)で表される化合物(e11)のように、メルカプト基を有する化合物であると、プレプレーティングフレーム表面の金属との親和性がより高くなるため、電子部品装置の信頼性をより向上させることができる。
本発明の電子部品装置の形態としては、特に限定されないが、例えば、デュアル・インライン・パッケージ(DIP)、プラスチック・リード付きチップ・キャリヤ(PLCC)、クワッド・フラット・パッケージ(QFP)、スモール・アウトライン・パッケージ(SOP)、スモール・アウトライン・Jリード・パッケージ(SOJ)、薄型スモール・アウトライン・パッケージ(TSOP)、薄型クワッド・フラット・パッケージ(TQFP)、テープ・キャリア・パッケージ(TCP)、ボール・グリッド・アレイ(BGA)、チップ・サイズ・パッケージ(CSP)等が挙げられる。
実施例1
0.20重量部
溶融球状シリカ(平均粒径25μm) 88.50重量部
カップリング剤1:γ−グリシジルプロピルトリエトキシシラン 0.20重量部
カーボンブラック 0.40重量部
をミキサーを用いて混合した後、表面温度が95℃と25℃の2本ロールを用いて溶融混練し、冷却後粉砕してエポキシ樹脂組成物を得た。得られたエポキシ樹脂組成物の特性を以下の方法で評価した。結果を表1に示す。
スパイラルフロー:低圧トランスファー成形機(コータキ精機株式会社製、KTS−15)を用いて、EMMI−1−66に準じたスパイラルフロー測定用の金型に、金型温度175℃、注入圧力6.9MPa、硬化時間120秒の条件でエポキシ樹脂組成物を注入し、流動長を測定した。単位はcm。80cm以下であるとパッケージ未充填などの成形不良が生じる場合がある。
表1、2、3及び4の配合に従い、実施例1と同様にしてエポキシ樹脂組成物を得て、実施例1と同様にして評価した。結果を表1、2、3及び4に示す。
実施例1以外で用いた原材料を以下に示す。
フェノール樹脂系硬化剤2:パラキシレン変性ノボラック型フェノール樹脂(三井化学(株)製、XLC−4L、水酸基当量168、軟化点62℃)
フェノール樹脂系硬化剤3:フェノールノボラック樹脂(住友ベークライト(株)製、PR−HF−3、軟化点80℃、水酸基当量105)
カルナバワックス
2 ダイボンド材硬化体
3 ダイパッド
4 金線
5 リードフレーム
6 封止用樹脂組成物の硬化体
7 レジスト
8 基板
9 半田ボール
Claims (9)
- (A)下記一般式(1)で表されるエポキシ樹脂(a1)を含むエポキシ樹脂、
(B)下記一般式(2)で表されるフェノール樹脂(b1)を含むフェノール樹脂系硬化剤、
(C)硬化促進剤、
(D)無機充填材、
(E)トリアゾール系化合物、
(F)下記一般式(3)で表されるカルボキシル基を有するブタジエン・アクリロニトリル共重合体、
(G)下記一般式(4)で表されるシリコーンオイル(g1)及び/又は下記一般式(4)で表されるシリコーンオイル(g1)とエポキシ化合物との反応生成物(g2)、
並びに(H)グリセリンと炭素数24以上、36以下の飽和脂肪酸からなるグリセリントリ脂肪酸エステル
を含み、前記(D)無機充填材を全エポキシ樹脂組成物中に84重量%以上、92重量%以下含むことを特徴とする封止用エポキシ樹脂組成物。
- 前記(A)一般式(1)で表されるエポキシ樹脂の軟化点が35℃以上、60℃以下である請求項1記載の封止用エポキシ樹脂組成物。
- 前記(E)トリアゾール系化合物が1,2,4−トリアゾール環を有する化合物(e1)である請求項1又は請求項2記載の封止用エポキシ樹脂組成物。
- 請求項1ないし請求項6のいずれかに記載の封止用エポキシ樹脂組成物を用いて素子を封止してなることを特徴とする電子部品装置。
- 半導体封止用であることを特徴とする請求項1ないし請求項6のいずれかに記載の封止用エポキシ樹脂組成物。
- 請求項8記載の封止用エポキシ樹脂組成物を用いて半導体素子を封止してなることを特徴とする半導体装置。
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JP2018168217A (ja) * | 2017-03-29 | 2018-11-01 | 住友ベークライト株式会社 | 封止用樹脂組成物及びこれを用いた半導体装置 |
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