JP4067507B2 - 半導体モジュールおよびその製造方法 - Google Patents
半導体モジュールおよびその製造方法 Download PDFInfo
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- JP4067507B2 JP4067507B2 JP2004086770A JP2004086770A JP4067507B2 JP 4067507 B2 JP4067507 B2 JP 4067507B2 JP 2004086770 A JP2004086770 A JP 2004086770A JP 2004086770 A JP2004086770 A JP 2004086770A JP 4067507 B2 JP4067507 B2 JP 4067507B2
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- Prior art keywords
- semiconductor module
- insulator
- semiconductor
- insulating base
- resin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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Description
(i)コアレスで実装できるため、トランジスタ、IC、LSIの小型・薄型化を実現できる。
(ii)トランジスタからシステムLSI、さらにチップタイプのコンデンサや抵抗を回路形成し、パッケージングすることができるため、高度なSIP(System in Package)を実現できる。
(iii)現有の半導体素子を組合せできるため、システムLSIを短期間に開発できる。
(iv)半導体ベアチップが直下の銅材に直接マウントされており、良好な放熱性を得ることができる。
(v)回路配線が銅材でありコア材がないため、低誘電率の回路配線となり、高速データ転送や高周波回路で優れた特性を発揮する。
(vi)電極がパッケージの内部に埋め込まれる構造のため、電極材料のパーティクルコンタミの発生を抑制できる。
(vii)パッケージサイズはフリーであり、1個あたりの廃材を64ピンのSQFPパッケージと比較すると、約1/10の量となるため、環境負荷を低減できる。
(viii)部品を載せるプリント回路基板から、機能の入った回路基板へと、新しい概念のシステム構成を実現できる。
(ix)ISBのパターン設計は、プリント回路基板のパターン設計と同じように容易であり、セットメーカーのエンジニアが自ら設計できる。
以下、本発明の好ましい実施形態について、前述したISBの構造を有する半導体モジュールを例に挙げて説明する。図4は、本実施形態に係る半導体モジュールの断面構造を示す図である。この半導体モジュールは、層間絶縁膜405および銅からなる配線407からなる配線層が複数層積層し、最上層にソルダーレジスト層408が形成された多層配線構造体と、その表面に形成された素子410aおよび410bにより構成されている。多層配線構造体の裏面には、半田ボール420が設けられている。素子410aおよび410bは、モールド樹脂415によりモールドされた構造となっている。図4(b)では、図4(a)の構造に対し、さらに金属材料からなるダミー配線435が設けられている。これにより、多層配線構造体とモールド樹脂415との間の密着性が向上する。
バイアス: 無印加
プラズマガス: アルゴン10〜20sccm、酸素0〜10sccm
バイアス: 無印加
プラズマガス: アルゴン10〜20sccm、酸素0〜10sccm
第一の実施の形態では、ソルダーレジスト層408上に素子410a、素子410bを半田により固着した構成としたが、半田を利用せず、接着剤等により素子を固着することもできる。この場合はソルダーレジスト層408を設けない構造とすることも可能である。
本実施形態においては、図15に示すように、素子502は接着部材510を介して、半田ボール514が裏面に設けられた基板506に接着されている。素子502と配線508は金線512により導通している。素子504は接着部材511を介して素子502に接着されており、素子504と配線508は金線512により導通している。素子502、素子504および基板506などは、モールド樹脂415によりモールドされる。
銅箔表面にドライフィルムレジスト(商品名PDF300、新日鐵化学社製)を貼った後、このフィルムをパターニングして銅箔の表面の一部を露出させた。この状態で銅箔露出面およびドライフィルムレジストの面を含む全面にアルゴンプラズマ処理を行った。プラズマガス中の酸素濃度を変えて2種類の試料を作製した。
バイアス: 無印加
プラズマガス:試料1 アルゴン10sccm、酸素0sccm
試料2 アルゴン10sccm、酸素10sccm
RFパワー(W): 500
圧力(Pa): 20
処理時間(sec): 20
試料1
平均直径 4nm
数密度 1.2×103個/μm2
試料2
平均直径 4nm
数密度 1.6×103個/μm2
試料1 52.0度
試料2 53.6度
銅箔表面にドライフィルムレジスト(商品名AUS402、太陽インキ製造社製)を貼った後、このフィルムをパターニングして銅箔の表面の一部を露出させた。この状態で銅箔露出面およびドライフィルムレジストの面を含む全面にアルゴンプラズマ処理を行った。
バイアス: 無印加
プラズマガス:アルゴン10sccm、酸素0sccm
RFパワー(W): 500
圧力(Pa): 20
処理時間: 試料3: 20(sec)
試料4: 60(sec)
試料3
平均直径 4nm
数密度 2×103個/μm2
試料4
平均直径 4nm
数密度 2×103個/μm2
また、試料3、試料4ともに、直径100nm以上の複数のクレーター状の凹部が存在することが確認された。
試料3 80度
試料4 105度
Claims (7)
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導体回路の設けられた絶縁基材と、該絶縁基材上に形成された半導体素子と、前記絶縁基材および前記半導体素子に接して設けられた絶縁体とを含み、
前記絶縁基材の前記絶縁体と接する面には、プラズマ照射によって形成される微小突起群が形成されており、
前記微小突起群は、数密度0.5×103μm−2〜2.0×103μm−2で形成された平均直径1nm〜20nmの複数の突起を含むとともに、
前記プラズマ照射された前記絶縁基材の表面近傍は、X線光電子分光スペクトルにおいて、束縛エネルギー284.5eVにおける検出強度をx、束縛エネルギー286eVにおける検出強度をyとしたとき、y/xの値が0.4以上3以下であることを特徴とする半導体モジュール。
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請求項1に記載の半導体モジュールにおいて、
前記絶縁体は、前記半導体素子を封止する封止樹脂であることを特徴とする半導体モジュール。
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請求項1に記載の半導体モジュールにおいて、
前記絶縁体は、前記半導体素子と前記絶縁基材との間に設けられた接着部材であることを特徴とする半導体モジュール。
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請求項1乃至3いずれかに記載の半導体モジュールにおいて、
前記絶縁基材の前記絶縁体と接する面に、複数のクレーター状凹部が形成されていることを特徴とする半導体モジュール。
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請求項4に記載の半導体モジュールにおいて、
前記クレーター状凹部の直径が、0.1μm以上、1μm以下であることを特徴とする半導体モジュール。
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請求項1に記載の半導体モジュールにおいて、
前記半導体素子はベアチップであって、前記絶縁体は前記ベアチップを封止する封止樹脂からなることを特徴とする半導体モジュール。
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請求項1乃至6いずれかに記載の半導体モジュールを製造する方法であって、
導体回路の設けられた絶縁基材の表面に対してプラズマ処理を行う工程と、
前記絶縁基材上に、半導体素子および該半導体素子に接する絶縁体を形成する工程とを含み、
前記プラズマ処理を、不活性ガスを含むプラズマガスを用い、前記絶縁基材にバイアスを印加せずに行うことを特徴とする半導体モジュールの製造方法。
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JP2004086770A JP4067507B2 (ja) | 2003-03-31 | 2004-03-24 | 半導体モジュールおよびその製造方法 |
US10/813,629 US20040256742A1 (en) | 2003-03-31 | 2004-03-31 | Semiconductor module and method of manufacturing the same |
CNB2004100320082A CN100530574C (zh) | 2003-03-31 | 2004-03-31 | 半导体模块及其制造方法 |
US12/335,150 US20090149034A1 (en) | 2003-03-31 | 2008-12-15 | Semiconductor module and method of manufacturing the same |
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JP2005109068A (ja) * | 2003-09-30 | 2005-04-21 | Sanyo Electric Co Ltd | 半導体装置およびその製造方法 |
JP4146864B2 (ja) | 2005-05-31 | 2008-09-10 | 新光電気工業株式会社 | 配線基板及びその製造方法、並びに半導体装置及び半導体装置の製造方法 |
JP4844168B2 (ja) | 2006-02-28 | 2011-12-28 | パナソニック株式会社 | 部品接合方法および部品積層方法 |
JP4171499B2 (ja) | 2006-04-10 | 2008-10-22 | 日立電線株式会社 | 電子装置用基板およびその製造方法、並びに電子装置およびその製造方法 |
JP7238277B2 (ja) * | 2018-06-14 | 2023-03-14 | 富士電機株式会社 | 半導体装置、リードフレーム及び半導体装置の製造方法 |
JP2020047664A (ja) * | 2018-09-14 | 2020-03-26 | キオクシア株式会社 | 半導体装置および半導体装置の作製方法 |
US11152288B2 (en) * | 2019-04-25 | 2021-10-19 | Infineon Technologies Ag | Lead frames for semiconductor packages |
US20210066273A1 (en) * | 2019-08-30 | 2021-03-04 | Intel Corporation | Laser ablation-based surface property modification and contamination removal |
US20220244638A1 (en) * | 2021-01-29 | 2022-08-04 | Texas Instruments Incorporated | Conductive patterning using a permanent resist |
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US5147446A (en) * | 1991-08-06 | 1992-09-15 | The United States Of America As Represented By The Secretary Of The Commerce | Method for fabrication of dense compacts from nano-sized particles using high pressures and cryogenic temperatures |
JP3170105B2 (ja) * | 1993-07-01 | 2001-05-28 | キヤノン株式会社 | 太陽電池モジュール |
JP3254572B2 (ja) * | 1996-06-28 | 2002-02-12 | バンティコ株式会社 | 光重合性熱硬化性樹脂組成物 |
WO2002077058A1 (fr) * | 2001-03-23 | 2002-10-03 | Taiyo Ink Manufacturing Co., Ltd. | Résine durcissant aux rayonnements actiniques, composition de résine photodurcissante ou thermodurcissante la contenant, et article durci ainsi obtenu |
US6656837B2 (en) * | 2001-10-11 | 2003-12-02 | Applied Materials, Inc. | Method of eliminating photoresist poisoning in damascene applications |
DE10206818A1 (de) * | 2002-02-18 | 2003-08-28 | Infineon Technologies Ag | Elektronisches Bauteil mit Klebstoffschicht und Verfahren zur Herstellung derselben |
US6924027B2 (en) * | 2003-03-31 | 2005-08-02 | Intel Corporation | Phase change thermal interface materials including exfoliated clay |
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JP2005294285A (ja) | 2005-10-20 |
US20040256742A1 (en) | 2004-12-23 |
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