JP2011097060A - フリップチップパッケージ及びその製造方法 - Google Patents
フリップチップパッケージ及びその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 79
- 239000011347 resin Substances 0.000 claims abstract description 79
- 239000000758 substrate Substances 0.000 claims abstract description 76
- 238000000034 method Methods 0.000 claims description 22
- 230000002950 deficient Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- 239000012855 volatile organic compound Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 238000012536 packaging technology Methods 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
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- 238000004140 cleaning Methods 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
【解決手段】電子素子16と、上記電子素子が実装される実装領域の内側には導電性パッド22が形成され、上記実装領域の外側には接続パッド14が形成される基板12と、上記基板上に形成され、一部領域が除去されて形成されたトレンチTを具備する樹脂層Rと、上記トレンチ上に提供され、上記電子素子の実装領域と上記接続パッドの間のアンダーフィル漏れを防止するダム部材18aとを含むフリップチップパッケージ1及びその製造方法。実施例によると、加工された樹脂層上にダム部材を形成してアンダーフィルの流出を防止することによって、パッケージの不良率を低め接続信頼度を高めることができるフリップチップパッケージ及びその製造方法。
【選択図】図2
Description
電子素子と、上記電子素子が実装される実装領域の内側には導電性パッドが形成され、上記実装領域の外側には接続パッドが形成される基板と、上記基板上に形成され、一部領域が除去されて形成されたトレンチを具備する樹脂層と、上記トレンチ上に提供され、上記電子素子の実装領域と上記接続パッドの間のアンダーフィル漏れを防止するダム部材を含むフリップチップパッケージとを提供する。
電子素子と、上記電子素子が実装される実装領域の内側には導電性パッドが形成され、上記実装領域の外側には接続パッドが形成される基板と、上記基板上に形成され、表面の一部分に凹凸部を具備する樹脂層と、上記凹凸部上に提供され、上記電子素子の実装領域と上記接続パッドの間のアンダーフィル漏れを防止するダム部材を含むフリップチップパッケージとを提供する。
電子素子が実装される実装領域の内側には導電性パッドが形成され、上記実装領域の外側には接続パッドが形成された基板を提供する段階と、上記基板上に樹脂層を形成する段階と、上記樹脂層の一部領域を除去し、トレンチを形成する段階と、上記トレンチ上に上記電子素子の実装領域と上記接続パッドの間のアンダーフィル漏れを防止するダム部材を形成する段階と、上記電子素子の実装領域に上記電子素子を実装する段階とを含むフリップチップパッケージの製造方法を提供する。
電子素子が実装される実装領域の内側には導電性パッドが形成され、上記実装領域の外側には接続パッドが形成された基板を提供する段階と、上記基板上に樹脂層を形成する段階と、上記樹脂層の表面の一部分に凹凸部を形成する段階と、上記凹凸部上に上記電子素子の実装領域と上記接続パッドの間のアンダーフィル漏れを防止するダム部材を形成する段階と、上記電子素子の実装領域に上記電子素子を実装する段階とを含むフリップチップパッケージの製造方法を提供する。
14 接続パッド
16 電子素子
18 ダム部材
20 アンダーフィル
22 導電性パッド
28 バンプ
30 ディスペンサー
R 樹脂層
T トレンチ
U 凹凸部
Claims (24)
- 電子素子と、
前記電子素子が実装される実装領域の内側には導電性パッドが形成され、前記実装領域の外側には接続パッドが形成される基板と、
前記基板上に形成され、一部領域が除去されて形成されたトレンチを具備する樹脂層と、
前記トレンチ上に提供され、前記電子素子の実装領域と前記接続パッドの間のアンダーフィル漏れを防止するダム部材と
を含むフリップチップパッケージ。 - 前記トレンチは、前記樹脂層をレーザー加工することによって形成された ことを特徴とする請求項1に記載のフリップチップパッケージ。
- 前記トレンチは、前記樹脂層を露光及び現像することによって形成された ことを特徴とする請求項1に記載のフリップチップパッケージ。
- 前記樹脂層は、感光性樹脂から成ることを特徴とする請求項3に記載のフリップチップパッケージ。
- 前記樹脂層は、前記トレンチ周辺の表面に凹凸部をさらに具備することを特徴とする請求項1から4の何れか1項に記載のフリップチップパッケージ。
- 電子素子と、
前記電子素子が実装される実装領域の内側には導電性パッドが形成され、前記実装領域の外側には接続パッドが形成される基板と、
前記基板上に形成され、表面の一部分に凹凸部を具備する樹脂層と、
前記凹凸部上に提供され、前記電子素子の実装領域と前記接続パッドの間のアンダーフィル漏れを防止するダム部材と、
を含むフリップチップパッケージ。 - 前記凹凸部は、前記樹脂層を圧印加工することによって形成されたことを特徴とする請求項6に記載のフリップチップパッケージ。
- 前記凹凸部は、前記樹脂層を露光及び現像することによって形成されたことを特徴とする請求項6に記載のフリップチップパッケージ。
- 前記樹脂層は、感光性樹脂から成ることを特徴とする請求項8に記載のフリップチップパッケージ。
- 前記ダム部材は、前記実装領域の周囲に沿って形成されることを特徴とする請求項1から9の何れか1項に記載のフリップチップパッケージ。
- 前記接続パッド上に形成され、前記電子素子と電気的に接続されるバンプをさらに含むことを特徴とする請求項1から10の何れか1項に記載のフリップチップパッケージ。
- 前記電子素子と前記基板の間に介在される前記アンダーフィルをさらに含むことを特徴とする請求項1から11の何れか1項に記載のフリップチップパッケージ。
- 電子素子が実装される実装領域の内側には導電性パッドが形成され、前記実装領域の外側には接続パッドが形成された基板を提供する段階と、
前記基板上に樹脂層を形成する段階と、
前記樹脂層の一部領域を除去し、トレンチを形成する段階と、
前記トレンチ上に前記電子素子の実装領域と前記接続パッドの間のアンダーフィル漏れを防止するダム部材を形成する段階と、
前記電子素子の実装領域に前記電子素子を実装する段階と、
を含むフリップチップパッケージの製造方法。 - 前記トレンチを形成する段階は、前記樹脂層をレーザー加工することによって行われることを特徴とする請求項13に記載のフリップチップパッケージの製造方法。
- 前記トレンチを形成する段階は、前記樹脂層を露光及び現像することによって行われることを特徴とする請求項13に記載のフリップチップパッケージの製造方法。
- 前記樹脂層は、感光性樹脂で形成されることを特徴とする請求項15に記載のフリップチップパッケージの製造方法。
- 前記トレンチ周辺の前記樹脂層の表面に凹凸部をさらに形成することを特徴とする請求項13から16の何れか1項に記載のフリップチップパッケージの製造方法。
- 電子素子が実装される実装領域の内側には導電性パッドが形成され、前記実装領域の外側には接続パッドが形成された基板を提供する段階と、
前記基板上に樹脂層を形成する段階と、
前記樹脂層の表面の一部分に凹凸部を形成する段階と、
前記凹凸部上に前記電子素子の実装領域と前記接続パッドの間のアンダーフィル漏れを防止するダム部材を形成する段階と、
前記電子素子の実装領域に前記電子素子を実装する段階と、
を含むフリップチップパッケージの製造方法。 - 前記凹凸部を形成する段階は、前記樹脂層を圧印加工することによって行われることを特徴とする請求項18に記載のフリップチップパッケージの製造方法。
- 前記凹凸部を形成する段階は、前記樹脂層を露光及び現像することによって 行われることを特徴とする請求項18に記載のフリップチップパッケージの製造方法。
- 前記樹脂層は、感光性樹脂で形成されることを特徴とする請求項20に記載のフリップチップパッケージの製造方法。
- 前記ダム部材は、前記実装領域の周囲に沿って形成されることを特徴とする請求項13から21の何れか1項に記載のフリップチップパッケージの製造方法。
- 前記接続パッド上に前記電子素子と電気的に接続されるバンプを形成する段階をさらに含むことを特徴とする請求項13から22の何れか1項に記載のフリップチップパッケージの製造方法。
- 前記電子素子と前記基板の間に前記アンダーフィルを注入する段階をさらに含むことを特徴とする請求項13から23の何れか1項に記載のフリップチップパッケージの製造方法。
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Publication number | Publication date |
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CN102054795A (zh) | 2011-05-11 |
US8558360B2 (en) | 2013-10-15 |
TW201125084A (en) | 2011-07-16 |
US20110095421A1 (en) | 2011-04-28 |
KR20110046142A (ko) | 2011-05-04 |
US20140030855A1 (en) | 2014-01-30 |
KR101089956B1 (ko) | 2011-12-05 |
TWI482248B (zh) | 2015-04-21 |
JP5240625B2 (ja) | 2013-07-17 |
US8809122B2 (en) | 2014-08-19 |
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