JP2014055245A - 先設置型半導体封止用フィルム - Google Patents
先設置型半導体封止用フィルム Download PDFInfo
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- JP2014055245A JP2014055245A JP2012201146A JP2012201146A JP2014055245A JP 2014055245 A JP2014055245 A JP 2014055245A JP 2012201146 A JP2012201146 A JP 2012201146A JP 2012201146 A JP2012201146 A JP 2012201146A JP 2014055245 A JP2014055245 A JP 2014055245A
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- component
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- semiconductor
- semiconductor sealing
- sealing film
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73203—Bump and layer connectors
- H01L2224/73204—Bump and layer connectors the bump connector being embedded into the layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/8319—Arrangement of the layer connectors prior to mounting
- H01L2224/83192—Arrangement of the layer connectors prior to mounting wherein the layer connectors are disposed only on another item or body to be connected to the semiconductor or solid-state body
Abstract
【解決手段】 (A)液状エポキシ樹脂、(B)熱可塑性樹脂、(C)硬化剤、(D)50〜100℃で加熱処理した潜在性硬化促進剤、および(E)無機フィラーを含むことを特徴とする、先設置型半導体封止用フィルムである。
【選択図】 なし
Description
〔1〕(A)液状エポキシ樹脂、(B)熱可塑性樹脂、(C)硬化剤、(D)50〜100℃で加熱処理した潜在性硬化促進剤、および(E)無機フィラーを含むことを特徴とする、先設置型半導体封止用フィルム。
〔2〕(B)成分が、先設置型半導体封止用フィルム:100質量部に対して、10〜30質量部である、上記〔1〕記載の先設置型半導体封止用フィルム。
〔3〕(B)成分が、(A)成分と(B)成分の合計:100質量部に対して、15〜65質量部である、上記〔1〕または〔2〕記載の先設置型半導体封止用フィルム。
〔4〕(D)成分が、先設置型半導体封止用フィルム:100質量部に対して、2〜5質量部である、上記〔1〕〜〔3〕のいずれか記載の先設置型半導体封止用フィルム。
〔5〕(E)成分が、先設置型半導体封止用フィルム:100質量部に対して、40〜70質量部である、上記〔1〕〜〔4〕のいずれか記載の先設置型半導体封止用フィルム。
〔6〕上記〔1〕〜〔5〕のいずれか記載の先設置型半導体封止用フィルムを用いて製造された半導体装置。
表1〜3に示す配合で、半導体封止用フィルム形成用組成物を調整した。メチルエチルケトンに、(A)〜(D)成分を混合した後、(E)成分を混合し、半導体封止用フィルム形成用組成物を得た。得られた半導体封止用フィルム形成用組成物を、ドクターブレードを用いて塗布した後、乾燥して、厚さ:50μmの半導体封止用フィルムを得た。また、表1〜3に、NETZSCH製DSC(型番:DSC204 F1 Phoenix)で測定した(D)成分の反応開始温度を示す。なお、表3で、(D)成分の代わりにイミダゾールを使用した比較例4、5では、反応開始温度または活性開始温の欄に、イミダゾールの活性開始温度を示す。ここで、活性開始温度は、イミダゾールが単体で活性化する温度をいい、DSCで発熱が開始する温度から測定した。図3に、実施例1で用いた(D)成分のDSCでの測定結果を示す。図3の破線は、ベースラインを示す。図3からわかるように、実施例1で用いた(D)成分の発熱開始温度は、110℃であった。
先設置型フリップチップ実装での先設置時の安定性を評価するために、半導体封止用フィルムの最低溶融粘度(初期の最低溶融粘度)を、Viscoanalyser製VAR100により測定した。次に、70℃で3時間保持した後の最低溶融粘度を、同様に測定した。先設置時の安定性(単位:%)を、下記式:
(先設置時の安定性)=(3時間後の最低溶融粘度)/(初期の最低溶融粘度)
×100
により求めた。設置時の安定は、160%以下であれば、良好である。表1〜表3に、設置時の安定性の評価結果を示す。
30μmのバンプが、50μmピッチで544個形成された幅:7mm、長さ:7mm、厚さ:125μmのSiチップを準備した。バンプは、Cuピラーにはんだキャップされたバンプである。また、シリコンチップのバンプパターンに対応した配線を有する基板厚さ:350μmのガラスエポキシ基板を準備した。この配線を有する基板に半導体封止用フィルムを載置し、70℃でプレヒートを行った。プレヒートされた基板上の配線の上に、フリップチップボンダーを用いて、Siチップ上のバンプと、基板上の配線を、荷重30N、200℃で1.2秒接触させた後、昇温し、280℃で10秒保持した後、200℃まで冷却して、フリップチップボンダーから取り出し、評価サンプルを作製した。Siチップ上のバンプと、基板上の配線間の抵抗値をアジレント・テクノロジー社製マルチメーター(型番:HP34401A)で測定し、抵抗値が設計値の1.1倍未満である場合を「◎」、設計値の1.1倍以上であるが測定器の測定範囲内であった場合を「○」、測定器の測定レンジ外であるため、測定できなかった場合を「×」とした。ここで、抵抗値の設計値は、29Ωであった。表1〜表3に、基板上の配線と半導体チップ上のバンプとの接続性の評価結果(表には、接続性と記載した)を示す。
基板上の配線と半導体チップ上のバンプとの接続性の評価のために作製した評価サンプルを、超音波顕微鏡で測定し、ボイド発生率の評価を行った。ボイド発生率(単位:%)は、下記式:
(ボイド発生率)=(ボイド面積)/(チップ面積)×100
で求めた。表1〜表3に、ボイド発生率の評価結果を示す。
基板上の配線と半導体チップ上のバンプとの接続性の評価のために作製した評価サンプルを用いた。図7に、基板と半導体チップとの接着強度の評価方法を説明する模式図を示す。基板31として、150℃で20分乾燥したFR−4基板と、半導体チップ34として、2mm角のSiN膜付きSiチップを準備した。1mm角の半導体封止用フィルムを、基板31上に載置して、半導体封止用フィルム上に、半導体チップ34をマウントした。この後、160℃で60分間、半導体封止用フィルムを硬化させ、硬化した半導体封止用フィルム30Aを形成した。アイコ−エンジニアリング製卓上強度試験器(型番:1605HTP)を使用して、剪断強度(単位:N/mm2)を測定した。剪断強度は、3.0N/mm2以上であると良好である。表1〜表3に、基板と半導体チップとの剪断強度(表には接着強度と記載した)の評価結果を示す。
10 先設置型半導体封止用フィルム
10A、30A 硬化した先設置型半導体封止用フィルム
11、21、31 基板
12、22 配線
13、23 バンプ
14、24、34 半導体チップ
20 先供給型液状封止樹脂組成物
20B、20C ブリード
35 シェアツール
Claims (6)
- (A)液状エポキシ樹脂、(B)熱可塑性樹脂、(C)硬化剤、(D)50〜100℃で加熱処理した潜在性硬化促進剤、および(E)無機フィラーを含むことを特徴とする、先設置型半導体封止用フィルム。
- (B)成分が、先設置型半導体封止用フィルム:100質量部に対して、10〜30質量部である、請求項1記載の先設置型半導体封止用フィルム。
- (B)成分が、(A)成分と(B)成分の合計:100質量部に対して、15〜65質量部である、請求項1または2記載の先設置型半導体封止用フィルム。
- (D)成分が、先設置型半導体封止用フィルム:100質量部に対して、2〜5質量部である、請求項1〜3のいずれか1項記載の先設置型半導体封止用フィルム。
- (E)成分が、先設置型半導体封止用フィルム:100質量部に対して、40〜70質量部である、請求項1〜4のいずれか1項記載の先設置型半導体封止用フィルム。
- 請求項1〜5のいずれか1項記載の先設置型半導体封止用フィルムを用いて製造された半導体装置。
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JP2022515514A (ja) * | 2018-12-27 | 2022-02-18 | ドゥーサン コーポレイション | 半導体パッケージ用非導電性接着フィルム及びこれを用いる半導体パッケージの製造方法 |
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JP7442533B2 (ja) | 2018-12-27 | 2024-03-04 | ドゥーサン コーポレイション | 半導体パッケージ用非導電性接着フィルム及びこれを用いる半導体パッケージの製造方法 |
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