JP6266251B2 - 表面実装モジュールのための拡散障壁 - Google Patents
表面実装モジュールのための拡散障壁 Download PDFInfo
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- JP6266251B2 JP6266251B2 JP2013155115A JP2013155115A JP6266251B2 JP 6266251 B2 JP6266251 B2 JP 6266251B2 JP 2013155115 A JP2013155115 A JP 2013155115A JP 2013155115 A JP2013155115 A JP 2013155115A JP 6266251 B2 JP6266251 B2 JP 6266251B2
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- layer
- level
- diffusion barrier
- barrier layer
- semiconductor device
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Classifications
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Description
12 半導体デバイス
14 POLサブモジュール
16 第2レベル入力/出力(I/O)接続
17 ランドグリッドアレイ(LGA)はんだバンプ
18 基板構造
20 セラミックタイル
22 直接接着銅(DBC)の層
24 直接接着銅(DBC)の層
26 誘電体材料
28 拡散障壁層
28A 第1拡散障壁層
28B 第2拡散障壁層
30 誘電体層
32 フレーム構造
34 接着層
36 ビア
38 第1レベル相互接続
39 上面
40 はんだ材料
42 はんだマスク
42 はんだマスク層
50 単一層
52 第1層
54 第2層
56 層
58 領域
60 領域
62 領域
Claims (18)
- 誘電体層と、
該誘電体層に直接付着された接着層と、
前記接着層を介して前記誘電体層に付着された少なくとも1つの半導体デバイスであって、それぞれが半導体材料で構成される基板を含む少なくとも1つの半導体デバイスと、
前記少なくとも1つの半導体デバイスに電気的に結合された第1レベル金属相互接続構造であって、前記少なくとも1つの半導体デバイスに接続されるように、前記誘電体層を通じて形成されたビアを通じて延在する第1レベル金属相互接続構造と、
前記第1レベル金属相互接続構造に電気的に結合され、前記少なくとも1つの半導体デバイスの反対側の前記誘電体層上に形成され、外部回路に接続するように構成された第2レベルI/O接続とを備えるサブモジュールと、
第1表面と第2表面とを有する多層基板構造であって、前記サブモジュールの前記少なくとも1つの半導体デバイスが前記多層基板構造の前記第1表面に取り付けられている多層基板構造と、
前記誘電体層と前記多層基板構造の前記第1表面との間で、前記サブモジュールの前記少なくとも1つの半導体デバイスの周囲に少なくとも一部分が位置する誘電体材料と、
前記サブモジュール上に付着され、前記第1および第2レベルI/O接続に隣接し、前記多層基板構造まで延在する拡散障壁層であって、周辺環境からの水分およびガスの侵入を減少させるように構成された拡散障壁層と、
前記第1レベル金属相互接続構造上に付着されたはんだマスクと、
を備え、前記第1レベル金属相互接続構造と前記はんだマスクとの間に前記拡散障壁層が付着される、表面実装構造。 - 誘電体層と、
該誘電体層に直接付着された接着層と、
前記接着層を介して前記誘電体層に付着された少なくとも1つの半導体デバイスであって、それぞれが半導体材料で構成される基板を含む少なくとも1つの半導体デバイスと、
前記少なくとも1つの半導体デバイスに電気的に結合された第1レベル金属相互接続構造であって、前記少なくとも1つの半導体デバイスに接続されるように、前記誘電体層を通じて形成されたビアを通じて延在する第1レベル金属相互接続構造と、
前記第1レベル金属相互接続構造に電気的に結合され、前記少なくとも1つの半導体デバイスの反対側の前記誘電体層上に形成され、外部回路に接続するように構成された第2レベルI/O接続とを備えるサブモジュールと、
第1表面と第2表面とを有する多層基板構造であって、前記サブモジュールの前記少なくとも1つの半導体デバイスが前記多層基板構造の前記第1表面に取り付けられている多層基板構造と、
前記誘電体層と前記多層基板構造の前記第1表面との間で、前記サブモジュールの前記少なくとも1つの半導体デバイスの周囲に少なくとも一部分が位置する誘電体材料と、
前記サブモジュール上に付着され、前記第1および第2レベルI/O接続に隣接し、前記多層基板構造まで延在する拡散障壁層であって、周辺環境からの水分およびガスの侵入を減少させるように構成された拡散障壁層と、
前記拡散障壁層が、前記拡散障壁層の厚さにわたって異なる構成を有する複数の領域(58、60、62)を含む段階的構成障壁を備える、表面実装構造。 - 前記拡散障壁層が、有機材料、無機材料、セラミック材料、およびそれらの任意の組合せを備える、請求項1または2に記載の表面実装構造。
- 前記無機材料またはセラミックが、IIA、IIIA、IVA、VA、VIA、VIIA、IB、IIB族の元素、IIIB、IVB、VB族の金属、レアアース元素、およびそれらの任意の組合せの、酸化物、窒化物、炭化物、およびホウ化物を備える、請求項3記載の表面実装構造。
- 前記第2レベルI/O接続が、前記第1レベル金属相互接続構造に電気的に結合されるように、所望の位置で前記はんだマスクを通過するように構成されたランドグリッドアレイ(LGA)はんだバンプおよびボールグリッドアレイ(BGA)はんだバンプのうちの1つを備える、請求項1乃至3のいずれかに記載の表面実装構造。
- 前記はんだマスク上に第2の拡散障壁層が付着される、請求項5記載の表面実装構造。
- 前記拡散障壁層が、前記はんだマスク上、および前記第2レベルI/O接続の前記はんだバンプの上または周囲に付着される、請求項5記載の表面実装構造。
- 前記拡散障壁層が、前記第1レベル金属相互接続構造上に付着され、はんだマスクとして機能するようさらに構成される、請求項5乃至7のいずれかに記載の表面実装構造。
- 前記拡散障壁層が、1原子層と100ミクロンとの間の厚さを有する、請求項1乃至8のいずれかに記載の表面実装構造。
- 前記多層基板構造が、
セラミック絶縁層と、
前記多層基板構造の前記第1表面を形成するために、前記セラミック絶縁層の片側に位置する第1金属層と、
前記多層基板構造の前記第2表面を形成するために、前記セラミック絶縁層の反対側に位置する第2金属層とを備え、
前記第1および第2金属層が、第1および第2直接接着銅(DBC)層を備える、請求項1乃至9のいずれかに記載の表面実装構造。 - 前記サブモジュールが、パワーオーバーレイ(POL)サブモジュールを備える、請求項1乃至10のいずれかに記載の表面実装構造。
- 少なくとも1つの半導体デバイスおよびその周囲に形成されたパッケージ構造を含むサブモジュールを構築するステップであって、
接着層を誘電体層に付着させるステップと、
前記少なくとも1つの半導体デバイスを前記接着層を介して前記誘電体層に取り付けるステップと、
前記誘電体層上に第1レベル金属相互接続構造を形成するステップであって、前記第1レベル金属相互接続構造が、前記少なくとも1つの半導体デバイスに電気的に接続するために、前記誘電体層内のビアを通じて延在するステップと、
前記少なくとも1つの半導体デバイスの反対側の前記誘電体層上に第2レベル入力/出力(I/O)接続を形成するステップであって、前記第2レベルI/O接続が、前記サブモジュールを外部回路に接続するように構成されるステップとを備えるステップと、
中央基板層、ならびに前記中央基板層の反対側の第1および第2金属層を含む基板構造を形成して、前記第1および第2金属層が、それぞれ前記基板構造の第1表面および第2表面を形成できるようにするステップと、
前記サブモジュールを前記基板構造の前記第1表面に取り付けるステップと、
前記誘電体層と前記基板構造の前記第1表面との間に誘電体材料を提供するステップであって、前記誘電体材料が、前記サブモジュールの前記少なくとも1つの半導体デバイスを少なくとも部分的にカプセル化するステップと、
前記サブモジュール上に付着され、前記第2レベルI/O接続に隣接し、前記基板構造まで延在する拡散障壁層であって、周辺環境からの水分およびガスの前記侵入を減少させるように構成された拡散障壁層を付着するステップと、
前記拡散障壁層上にはんだマスクを付着するステップであって、前記第2レベルI/O接続があらかじめ定められた位置で前記はんだマスクを通って延在するステップと、
を備える、表面実装パッケージおよび相互接続構造を製造する方法。 - 第2の拡散障壁層を、前記はんだマスクの上および前記複数のはんだバンプの上の位置に付着するステップをさらに備える、請求項12記載の方法。
- 少なくとも1つの半導体デバイスおよびその周囲に形成されたパッケージ構造を含むサブモジュールを構築するステップであって、
接着層を誘電体層に付着させるステップと、
前記少なくとも1つの半導体デバイスを前記接着層を介して前記誘電体層に取り付けるステップと、
前記誘電体層上に第1レベル金属相互接続構造を形成するステップであって、前記第1レベル金属相互接続構造が、前記少なくとも1つの半導体デバイスに電気的に接続するために、前記誘電体層内のビアを通じて延在するステップと、
前記少なくとも1つの半導体デバイスの反対側の前記誘電体層上に第2レベル入力/出力(I/O)接続を形成するステップであって、前記第2レベルI/O接続が、前記サブモジュールを外部回路に接続するように構成されるステップとを備えるステップと、
中央基板層、ならびに前記中央基板層の反対側の第1および第2金属層を含む基板構造を形成して、前記第1および第2金属層が、それぞれ前記基板構造の第1表面および第2表面を形成できるようにするステップと、
前記サブモジュールを前記基板構造の前記第1表面に取り付けるステップと、
前記誘電体層と前記基板構造の前記第1表面との間に誘電体材料を提供するステップであって、前記誘電体材料が、前記サブモジュールの前記少なくとも1つの半導体デバイスを少なくとも部分的にカプセル化するステップと、
前記サブモジュール上に付着され、前記第2レベルI/O接続に隣接し、前記基板構造まで延在する拡散障壁層であって、周辺環境からの水分およびガスの前記侵入を減少させるように構成された拡散障壁層を付着するステップと、
を備え、前記拡散障壁層が、前記拡散障壁層の厚さにわたって異なる構成を有する複数の領域(58、60、62)を含む段階的構成障壁を備える、表面実装パッケージおよび相互接続構造を製造する方法。 - 前記拡散障壁層を付着するステップが、前記第1レベル金属相互接続構造と前記はんだマスクとの間に前記拡散障壁層を付着するステップと、
前記拡散障壁層を付着するステップが、前記はんだマスク上、および前記第2レベルI/O接続上またはその周囲に前記拡散障壁層を付着するステップを備える、請求項12乃至14のいずれかに記載の方法。 - 前記拡散障壁層を付着するステップが、有機材料、無機材料、セラミック材料、またはそれらの任意の組合せの1つまたは複数の層を付着するステップを備える、請求項12乃至15のいずれかに記載の方法。
- 誘電体層と、
前記誘電体層に直接付着された接着層を介して前記誘電体層に取り付けられた複数の半導体デバイスと、
前記複数の半導体デバイスに電気的に結合された第1レベル相互接続構造であって、前記複数の半導体デバイスに接続されるように前記誘電体層を通って形成されたビアを通じて延在する第1レベル相互接続構造と、
外部回路構造に電気的に結合するための第2レベル相互接続構造であって、前記誘電体層および第1レベル相互接続構造上に形成された複数のはんだバンプを備え、前記外部回路構造への相互接続を作成するように構成された第2レベル相互接続構造とを備えるPOLサブモジュールと、
第1表面と第2表面とを有する多層基板構造であって、前記POLサブモジュールの前記複数の半導体デバイスが前記多層基板構造の前記第1表面に取り付けられており、
前記多層基板構造の前記第1表面を形成する第1直接接着銅(DBC)層と、
前記多層基板構造の前記第2表面を形成する第2DBC層と、
前記第1DBC層と前記第2DBC層との間に挟まれたセラミック層とを含む多層基板構造と、
前記誘電体層と前記多層基板構造の前記第1表面との間で、前記POLサブモジュールの前記複数の半導体デバイスの周囲に少なくとも一部分が位置するカプセル化材料と、
前記POLサブモジュール上に付着され、前記第2レベル相互接続構造に隣接し、前記多層基板構造まで延在する拡散障壁層であって、周辺環境からの水分およびガスの前記侵入を減少させるように構成された拡散障壁層と、
前記第1レベル相互接続構造上に付着されたはんだマスクと、
を備え、前記第1レベル相互接続構造と前記はんだマスクとの間に前記拡散障壁層が付着される、パワーオーバーレイ(POL)パッケージ構造。 - 前記拡散障壁層が、前記第1レベル相互接続構造と前記はんだマスクとの間の位置、ならびに前記はんだマスクの上および前記複数のはんだバンプの上の位置に付着される、請求項17記載のPOLパッケージ構造。
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