JP6571411B2 - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
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- JP6571411B2 JP6571411B2 JP2015129698A JP2015129698A JP6571411B2 JP 6571411 B2 JP6571411 B2 JP 6571411B2 JP 2015129698 A JP2015129698 A JP 2015129698A JP 2015129698 A JP2015129698 A JP 2015129698A JP 6571411 B2 JP6571411 B2 JP 6571411B2
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Description
た部分を有する。
とは、ワイヤを介して導通している。
素子に搭載されている。
要部平面図である。図3は、半導体装置101Aを示す底面図である。図4は、図2のIV−IV線に沿うzx平面における断面図であり、図5はその要部拡大断面図である。図6は、図2のVI−VI線に沿うzx平面における断面図である。図7は、図2のVII−VII線に沿うyz平面における断面図である。図8は、図2のVIII−VIII線に沿うyz平面における断面図である。なお、図1においては理解の便宜上、封止樹脂7を想像線で示しており、図2においては封止樹脂7を省略している。
として構成されており、その厚さが80〜100μm程度とされている。
1以上の素子側パッドを有する半導体素子と、
前記素子側パッドにボンディングされたボンディング部を有するワイヤと、
を備えており、
前記半導体素子は、基準面と、この基準面となす角が180°未満であり且つ前記素子側パッドの少なくとも一部が形成されたボンディング面と、を有しており、
前記ワイヤの前記ボンディング部は、前記基準面と前記ボンディング部との境界よりも、この境界とは反対側に位置する前記ボンディング面の離間端縁に近い位置に設けられている、半導体装置。
〔付記2A〕
前記素子側パッドは、前記基準面に形成された部分を有する、付記1Aに記載の半導体装置。
〔付記3A〕
前記素子側パッドは、メッキによって形成されている、付記1Aまたは2Aに記載の半導体装置。
〔付記4A〕
前記素子側パッドは、前記離間端縁から前記境界に向かうほど薄くなる部分を有する、付記3Aに記載の半導体装置。
〔付記5A〕
前記素子側パッドは、メッキ主層を有する、付記4Aに記載の半導体装置。
〔付記6A〕
前記メッキ主層は、Cuからなる、付記5Aに記載の半導体装置。
〔付記7A〕
前記メッキ主層は、前記離間端縁から前記境界に向かうほど薄くなる部分を有する、付記4Aまたは5Aに記載の半導体装置。
〔付記8A〕
前記素子側パッドは、前記メッキ主層上に積層されたメッキ表層を有する、付記5Aないし7Aのいずれかに記載の半導体装置。
〔付記9A〕
前記メッキ表層の平均厚さは、前記メッキ主層の平均厚さよりも薄い、付記8Aに記載の半導体装置。
〔付記10A〕
前記メッキ表層は、Auからなる、付記9Aに記載の半導体装置。
〔付記11A〕
前記ワイヤは、Auからなる、付記10Aに記載の半導体装置。
〔付記12A〕
前記メッキ表層は、前記離間端縁から前記境界に向かうほど薄くなる部分を有する、付記9Aないし11Aのいずれかに記載の半導体装置。
〔付記13A〕
前記メッキ主層は、前記境界寄りの部分が前記メッキ表層から露出している、付記12Aに記載の半導体装置。
〔付記14A〕
前記素子側パッドは、前記メッキ主層と前記ボンディング面との間に介在するメッキ下地層を有する、付記5Aないし13Aのいずれかに記載の半導体装置。
〔付記15A〕
前記メッキ下地層は、Cuからなる、付記14Aに記載の半導体装置。
〔付記16A〕
前記半導体素子は、前記離間端縁から前記ボンディング面が向く側とは反対側に延びる退避側面を有する、付記1Aないし15Aのいずれかに記載の半導体装置。
〔付記17A〕
前記素子側パッドは、前記退避側面に形成された部分を有する、付記16Aに記載の半導体装置。
〔付記18A〕
前記半導体素子は、互いに別体であり且つ接合された第1主部および第2主部を備えており、
前記基準面は、前記第1主部によって構成され、
前記ボンディング面は、前記第2主部によって構成されている、付記1Aないし17Aのいずれかに記載の半導体装置。
〔付記19A〕
前記第1主部および前記第2主部は、互いに別体であり且つ接合されている、付記18Aに記載の半導体装置。
〔付記20A〕
前記第1主部は、半導体からなる、付記19Aに記載の半導体装置。
〔付記21A〕
前記第2主部は、絶縁体からなる、付記19Aまたは20Aに記載の半導体装置。
〔付記22A〕
前記第2主部は、樹脂からなる、付記21Aに記載の半導体装置。
〔付記23A〕
前記第1主部および前記第2主部は、一体的に形成されている、付記18Aに記載の半導体装置。
〔付記24A〕
厚さ方向において互いに反対側を向く主面および裏面を有する基材と、該基材に形成され且つ前記基板側パッドを含む半導体パターンと、を具備する基板を備えており、
前記半導体素子は、前記主面側に搭載されている、付記1Aないし23Aのいずれかに記載の半導体装置。
〔付記25A〕
前記基板は、基板側パッドを有しており、
前記ワイヤは、前記基板側パッドにボンディングされている、付記24Aに記載の半導体装置。
〔付記26A〕
前記基板に搭載された集積回路素子を備えている、付記25Aに記載の半導体装置。
〔付記27A〕
前記集積回路素子は、追加の素子側パッドを有しており、
前記ワイヤは、前記追加の素子側パッドにボンディングされている、付記26Aに記載の半導体装置。
〔付記28A〕
前記基板は、前記主面から前記裏面側へと陥没する陥没部を有しており、
前記半導体素子の一部が前記陥没部に収容されている、付記1Aないし23Aのいずれかに記載の半導体装置。
〔付記29A〕
前記陥没部は、前記厚さ方向において前記主面と前記裏面との間に位置する底面を有しており、
前記半導体素子は、前記底面に接合されている、付記28Aに記載の半導体装置。
〔付記30A〕
前記陥没部は、前記主面に繋がる内側面を有している、付記29Aに記載の半導体装置。
〔付記31A〕
前記内側面は、前記厚さ方向に対して傾斜している、付記30Aに記載の半導体装置。
〔付記32A〕
前記陥没部は、前記底面と前記内側面とを繋ぐ曲面を有している、付記31Aに記載の半導体装置。
〔付記33A〕
前記配線パターンは、前記厚さ方向において前記主面と前記裏面との間に位置する中間層を有しており、
前記中間層は、前記陥没部の前記底面を構成する阻止部を有している、付記29Aないし32Aのいずれかに記載の半導体装置。
〔付記34A〕
前記阻止部は、前記厚さ方向視において前記底面よりも大である、付記33Aに記載の半導体装置。
〔付記35A〕
前記基材は、前記中間層に対して前記裏面側に位置する部分を有している、付記33Aまたは34Aに記載の半導体装置。
〔付記36A〕
前記配線パターンは、前記裏面側に露出する複数の裏面電極を有している、付記35Aに記載の半導体装置。
〔付記37A〕
前記複数の裏面電極Aのいずれかは、前記厚さ方向視において前記中間層の前記阻止部と重なる、付記36Aに記載の半導体装置。
〔付記38A〕
前記阻止部と前記複数の裏面電極とは、互いに絶縁されている、付記37Aに記載の半導体装置。
〔付記39A〕
前記半導体素子は、前記第1主部に検出基準軸が作りこまれた方位センサ素子である、付記18Aないし23Aのいずれかに記載の半導体装置。
基板と、
検出基準軸を有する方位センサ素子と、を備えており、
前記基板は、厚さ方向における一方側を向く1以上の基板側パッドを有しており、
前記方位センサ素子は、前記検出基準軸が作りこまれた半導体部と、該半導体部に接合された補助部とを有しており、
前記補助部は、前記基板側パッドと対面するパッド面を有しており、
前記半導体部は、前記パッド面の端縁から前記基板に向かって延びる基準面を有しており、
前記方位センサ素子は、前記パッド面に少なくとも一部が形成された素子側パッドを有しており、
前記素子側パッドと前記基板側パッドとが、導電性接合材によって接合されている、半導体装置。
〔付記2B〕
前記素子側パッドは、前記パッド面から前記基準面にわたって形成されている、付記1Bに記載の半導体装置。
〔付記3B〕
前記導電性接合材は、前記素子側パッドのうち前記基準面に形成された部分にも接合されている、付記2Bに記載の半導体装置。
〔付記4B〕
前記パッド面は、前記基準面とは反対側に位置する離間端縁を有しており、
前記補助部は、前記離間端縁から前記基板から遠ざかる方向に延びる退避側面を有しており、
前記素子側パッドは、前記退避側面に形成された部分を有する、付記1Bないし3Bのいずれかに記載の半導体装置。
〔付記5B〕
前記導電性接合材は、前記素子側パッドのうち前記退避側面に形成された部分にも接合されている、付記4Bに記載の半導体装置。
〔付記6B〕
前記半導体部は、基板に接合された接合面を有する、付記1Bないし5Bのいずれかに記載の半導体装置。
〔付記7B〕
前記接合面は、前記基準面に対して直角である、付記6Bに記載の半導体装置。
〔付記8B〕
前記接合面は、前記検出基準軸に対して直角である、付記7Bに記載の半導体装置。
〔付記9B〕
前記基板は、厚さ方向において互いに反対側を向く主面および裏面を有する基材と、該基材に形成され且つ前記基板側パッドを含む半導体パターンと、を具備しており、
前記基板側パッドは、前記主面に形成されている、付記1Bないし8Bのいずれかに記載の半導体装置。
〔付記10B〕
前記基板に搭載された集積回路素子をさらに備えており、
前記配線パターンは、前記基板側パッドに導通し、且つ前記集積回路素子に導通する追加の基板側パッドを有する、付記9Bに記載の半導体装置。
〔付記11B〕
前記集積回路素子と前記追加の基板側パッドとは、ワイヤを介して導通している、付記10Bに記載の半導体装置。
〔付記12B〕
前記集積回路素子と前記追加の基板側パッドとは、導電性接合材を介して導通している、付記10Bに記載の半導体装置。
〔付記13B〕
前記補助部は、前記半導体部に対して前記集積回路素子と同じ側に配置されている、付記10Bないし12Bのいずれかに記載の半導体装置。
〔付記14B〕
前記補助部は、前記半導体部に対して前記集積回路素子とは反対側に配置されている、付記10Bないし12Bのいずれかに記載の半導体装置。
〔付記15B〕
前記基板は、前記主面から前記裏面側へと陥没する陥没部を有しており、
前記半導体部の一部が前記陥没部に収容されている、付記9Bないし14Bのいずれかに記載の半導体装置。
〔付記16B〕
前記陥没部は、前記厚さ方向において前記主面と前記裏面との間に位置する底面を有しており、
前記半導体部は、前記底面に接合されている、付記15Bに記載の半導体装置。
〔付記17B〕
前記陥没部は、前記主面に繋がる内側面を有している、付記16Bに記載の半導体装置。
〔付記18B〕
前記内側面は、前記厚さ方向に対して傾斜している、付記17Bに記載の半導体装置。
〔付記19B〕
前記陥没部は、前記底面と前記内側面とを繋ぐ曲面を有している、付記18Bに記載の半導体装置。
〔付記20B〕
前記配線パターンは、前記厚さ方向において前記主面と前記裏面との間に位置する中間層を有しており、
前記中間層は、前記陥没部の前記底面を構成する阻止部を有している、付記16Bないし19Bのいずれかに記載の半導体装置。
〔付記21B〕
前記阻止部は、前記厚さ方向視において前記底面よりも大である、付記20Bに記載の半導体装置。
〔付記22B〕
前記基材は、前記中間層に対して前記裏面側に位置する部分を有している、付記21Bに記載の半導体装置。
〔付記23B〕
前記配線パターンは、前記裏面側に露出する複数の裏面電極を有している、付記22Bに記載の半導体装置。
〔付記24B〕
前記複数の裏面電極のいずれかは、前記厚さ方向視において前記中間層の前記阻止部と重なる、付記23Bに記載の半導体装置。
〔付記25B〕
前記阻止部と前記複数の裏面電極とは、互いに絶縁されている、付記24Bに記載の半導体装置。
〔付記26B〕
前記方位センサ素子の前記検出基準軸とは異なる方向についての検出基準軸を有する1以上の追加の方位センサ素子を備える、付記10Bないし25Bのいずれかに記載の半導体装置。
〔付記27B〕
前記追加の方位センサ素子は、前記集積回路素子に搭載されている、付記26Bに記載の半導体装置。
〔付記28B〕
前記導電性接合材は、ハンダである、付記1Bないし27Bのいずれかに記載の半導体装置。
1 基板
111 主面
112 裏面
113 基板側外側面
114 陥没部
115 底面
116 内側面
117 曲面
11 基材
12 配線パターン
13 主面層
131 基板側パッド
132 追加の基板側パッド
14 中間層
141 阻止部
15 裏面電極
10 基板材料
2 第一方位センサ素子
201A 第1主部
201B 半導体部
202A 第2主部
202B 補助部
203 接合材
211 基準面
212A ボンディング面
212B パッド面
213 境界
214 離間端縁
215 退避側面
217 半導体素子側露出側面
t1,t2 厚さ
h1,h2 高さ
21 磁性体ワイヤ
22 素子側パッド
221 メッキ下地層
222 メッキ主層
223 メッキ表層
23 接合材
231 接合材側露出側面
261 マスク層
3 第二方位センサ素子
31 磁性体ワイヤ
32 素子側パッド
33 接合材
4 第三方位センサ素子
41 磁性体ワイヤ
42 素子側パッド
43 接合材
5 集積回路素子
52 素子側パッド
53 接合材
61 第一ワイヤ
611 ファーストボンディング部
62 第二ワイヤ
63 第三ワイヤ
64 第四ワイヤ
65 第五ワイヤ
66 導電性接合材
67 導電性接合材
7 封止樹脂
71 封止樹脂側外側面
Cz 切断領域
Cp キャピラリ
Claims (22)
- 厚さ方向において互いに反対側を向く主面および裏面を有する基材を具備する基板と、
前記基板の前記主面側に搭載された、1以上の素子側パッドを有する半導体素子と、
前記素子側パッドにボンディングされたボンディング部を有するワイヤと、
前記基板の前記主面側に形成され、且つ前記半導体素子の少なくとも一部および前記ワイヤを覆う封止樹脂と、を備えており、
前記半導体素子は、前記基板の厚さ方向に対して交差する方向を向き、且つ前記封止樹脂から露出する素子側露出側面を有する、半導体装置。 - 前記基材は、前記主面と前記裏面とを繋ぎ、且つ前記半導体素子の前記素子側露出側面と面一である基板側外側面を有する、請求項1に記載の半導体装置。
- 前記封止樹脂は、前記半導体素子の前記素子側露出側面および前記基材の前記基板側外側面と面一である封止樹脂側外側面を有する、請求項2に記載の半導体装置。
- 前記半導体素子の前記素子側露出側面は、前記基板の厚さ方向に対して平行である、請求項1ないし3のいずれかに記載の半導体装置。
- 前記半導体素子は、第1主部および第2主部を有する、請求項1ないし4のいずれかに記載の半導体装置。
- 前記素子側露出側面は、前記第1主部に形成されている、請求項5に記載の半導体装置。
- 前記第1主部は、半導体からなる、請求項6に記載の半導体装置。
- 前記第2主部は、前記素子側パッドが形成されたボンディング面を有する、請求項5ないし7のいずれかに記載の半導体装置。
- 前記第2主部は、絶縁体からなる、請求項8に記載の半導体装置。
- 前記第2主部は、樹脂からなる、請求項9に記載の半導体装置。
- 前記第1主部と前記第2主部とは、前記素子側露出側面が向く方向に並んでいる、請求項5ないし10のいずれかに記載の半導体装置。
- 前記第1主部は、前記素子側露出側面が向く方向における寸法よりも、前記基板の厚さ方向における寸法が大である、請求項11に記載の半導体装置。
- 前記第2主部は、前記素子側露出側面が向く方向における寸法よりも、前記基板の厚さ方向における寸法が大である、請求項11または12に記載の半導体装置。
- 前記半導体素子は、前記素子側露出側面が向く方向における寸法よりも、前記基板の厚さ方向における寸法が大である、請求項12または13に記載の半導体装置。
- 前記半導体素子は、接合材によって前記基板に接合されている、請求項1ないし14のいずれかに記載の半導体装置。
- 前記接合材は、絶縁性接合材である、請求項15に記載の半導体装置。
- 前記接合材は、導電性接合材である、請求項15に記載の半導体装置。
- 前記接合材は、前記素子側露出側面と面一である接合材側露出側面を有する、請求項15ないし17のいずれかに記載の半導体装置。
- 前記半導体素子は、前記第1主部に検出基準軸が作りこまれた方位センサ素子である、請求項5ないし14のいずれかに記載の半導体装置。
- 前記検出基準軸は、前記基板の厚さ方向に平行である、請求項19に記載の半導体装置。
- 基板の主面側に素子側パッドを有する半導体素子を搭載する工程と、
前記素子側パッドにワイヤをボンディングする工程と、
前記半導体素子および前記ワイヤを覆う封止樹脂を形成する工程と、
前記基板、前記半導体素子および前記封止樹脂を一括して切断する工程と、
を備える、半導体素子の製造方法。 - 前記半導体素子を搭載する工程においては、接合材を用いて前記半導体素子を前記基板に接合し、
前記切断する工程においては、前記基板、前記半導体素子、前記封止樹脂および前記接合材を一括して切断する、請求項21に記載の半導体装置の製造方法。
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US20170148757A1 (en) | 2017-05-25 |
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