JP5621155B2 - 3d電子モジュールをビアにより垂直に相互接続する方法 - Google Patents
3d電子モジュールをビアにより垂直に相互接続する方法 Download PDFInfo
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- JP5621155B2 JP5621155B2 JP2008273900A JP2008273900A JP5621155B2 JP 5621155 B2 JP5621155 B2 JP 5621155B2 JP 2008273900 A JP2008273900 A JP 2008273900A JP 2008273900 A JP2008273900 A JP 2008273900A JP 5621155 B2 JP5621155 B2 JP 5621155B2
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Description
A)n枚のウェーハレベルのバッチを製造する工程であって、1枚のウェーハレベルがダイシングラインによって境界が定められた少なくともn個の幾何学的特徴を含み、各特徴には、絶縁樹脂によって取り囲まれ、かつ電気接続パッドに接続された少なくとも1つの電子部品が設けられ、パッドが誘電層に堆積された電気接続トラックに接続された工程からなる第1の工程を含むものである。これは、各トラックが、トラックを相互に接続し、かつダイシングラインの上に位置する電極まで延び、2つの直線部の間に配置された曲線部を備え、曲線部がビアの形成予定位置を取り囲む領域の範囲を定め、この領域が接続パッドとトラック相互接続電極との間に配置されることを主に特徴とし、
B)第1の工程の後に得られたK枚のウェーハレベルを、前記領域をほぼ上に重ねていくように積層し組み立てる工程と、
C)積層体の方向に沿って、ビアの位置に垂直な積層体の厚さ全体にかけて、樹脂にビアを開ける工程であって、ビアの断面が、各ウェーハレベルについて、直線部がビアと同一平面をなし曲線部とは同一平面をなさない工程と、
D)ビアの壁を電解成長によって金属被覆する工程と、
E)n個の3D電子モジュールを得るように積層体をダイシングラインに沿って切断する工程であって、切断の幅がトラック相互接続電極の幅よりも広い工程とからなる第2の工程を含むことを特徴とする。
2 能動面
3 UVラッピング膜
4 電気接続パッド
5 UV切削膜
6 チップ
7 両面接着フィルム
8 支持体
9 絶縁樹脂
10 支持体
11 誘電体
12 金属トラック
12a 曲線部
12b 直線部
12c 突出部
13 トラック相互接続電極
14 ダイシングライン
15 ビア
15a 領域
16 保護フィルム
17 接着剤
18 接着剤
19 電子ウェーハレベル
20 取付膜
21 導電性の金属
22 電解液
23 保護ポリマー層
100 3D電子モジュール
Claims (8)
- 3D電子モジュール(100)n個を垂直に相互接続する方法であって、nが1よりも大きい整数であり、1つの前記3D電子モジュールがK枚の前記電子ウェーハレベル(19)の積層体を備え、1枚の前記電子ウェーハレベルiが少なくとも1つの電子部品(6)を備え、iが1からKまで変化し、K枚の前記電子ウェーハレベルが前記積層体の方向に沿う導体によって共に電気的に接続され、各前記電子ウェーハレベルiについて、
A)n枚の前記電子ウェーハレベル(19)のバッチを製造する工程であって、1枚の前記電子ウェーハレベル(19)に、ダイシングライン(14)によって境界が定められた少なくともn個の幾何学的特徴が形成され、各前記幾何学的特徴には、絶縁樹脂(9)によって取り囲まれ、かつ電気接続パッド(4)に接続された少なくとも1つの前記電子部品(6)が設けられ、前記電気接続パッドが誘電層(11)に堆積された電気接続トラック(12)に接続された工程であって、
各前記電気接続トラック(12)が、相互に接続し、かつ前記電気接続トラック(12)が前記ダイシングライン(14)の上に位置する電極(13)まで延び、2つの直線部(12b)の間に配置された曲線部(12a)を備え、前記曲線部がビアの形成予定位置を取り囲む領域(15a)の範囲を定め、この領域が前記電気接続パッド(4)と前記電極(13)との間に配置されることを特徴とする工程からなる第1の工程と、
B)前記第1の工程の後に得られたK枚の前記電子ウェーハレベル(19)を、前記領域(15a)を上に重ねていくように積層し組み立てる工程と、
C)前記積層体の方向に沿って、前記ビアの位置に垂直な前記積層体の厚さ全体にかけて、前記樹脂(9)に前記ビア(15)を開ける工程であって、前記ビアの断面が、各前記電子ウェーハレベル(19)について、前記直線部(12b)が前記ビア(15)と同一平面をなし前記曲線部(12a)とは同一平面をなさない工程と、
D)前記ビア(15)の壁を電解成長によって金属被覆する工程と、
E)n個の前記3D電子モジュール(100)を得るように前記積層体を前記ダイシングライン(14)に沿って切断する工程であって、切断の幅が前記電極(13)の幅よりも広い工程とからなる第2の工程とを含む、方法。 - 前記ビアの金属が銅、ニッケル、金、銀、またはスズであることを特徴とする請求項1に記載の方法。
- 前記直線部のうち少なくとも1つが、前記領域(15a)内に突出部(12c)を有することを特徴とする請求項1または2に記載の方法。
- 前記曲線部(12a)が、円弧もしくは円形、楕円弧もしくは楕円形、半三角形もしくは三角形、または半長方形もしくは長方形であることを特徴とする請求項1〜3のいずれか一項に記載の方法。
- 前記電子部品が、能動素子、受動素子、またはMEMSであることを特徴とする請求項1〜4のいずれか一項に記載の方法。
- 少なくとも1つの受動素子が前記電子ウェーハレベル内または前記電子ウェーハレベルの上に位置していることを特徴とする請求項1〜5のいずれか一項に記載の方法。
- 前記ビアがレーザードライエッチングまたはプラズマドライエッチングによって形成されることを特徴とする請求項1〜6のいずれか一項に記載の方法。
- 前記ビアがウェットエッチングによって形成されることを特徴とする請求項1〜6のいずれか一項に記載の方法。
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FR0707557A FR2923081B1 (fr) | 2007-10-26 | 2007-10-26 | Procede d'interconnexion verticale de modules electroniques 3d par des vias. |
FR0707557 | 2007-10-26 |
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JP2009111384A JP2009111384A (ja) | 2009-05-21 |
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JP2008273900A Active JP5621155B2 (ja) | 2007-10-26 | 2008-10-24 | 3d電子モジュールをビアにより垂直に相互接続する方法 |
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US (1) | US8567051B2 (ja) |
EP (1) | EP2053646B1 (ja) |
JP (1) | JP5621155B2 (ja) |
DE (1) | DE602008002200D1 (ja) |
FR (1) | FR2923081B1 (ja) |
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US8567051B2 (en) | 2013-10-29 |
EP2053646B1 (fr) | 2010-08-18 |
TWI527179B (zh) | 2016-03-21 |
TW200941686A (en) | 2009-10-01 |
FR2923081A1 (fr) | 2009-05-01 |
FR2923081B1 (fr) | 2009-12-11 |
US20090260228A1 (en) | 2009-10-22 |
EP2053646A1 (fr) | 2009-04-29 |
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