JP2021158338A - モールド貫通ビアを有する成形領域を有するマイクロ電子コンポーネント - Google Patents
モールド貫通ビアを有する成形領域を有するマイクロ電子コンポーネント Download PDFInfo
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Classifications
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- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5384—Conductive vias through the substrate with or without pins, e.g. buried coaxial conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
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- H—ELECTRICITY
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4846—Leads on or in insulating or insulated substrates, e.g. metallisation
- H01L21/486—Via connections through the substrate with or without pins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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Abstract
Description
い。ボンディング膜616は、任意の好適な一時的なボンディング膜、たとえば、一時的な接着層またはDAFであってもよい。第1の伝導性パッド607、エッチング停止層613、第2の伝導性パッド609、および伝導性TSV 611は、その中に伝導構造が存在しない一つまたは複数の非分布領域(de-population region)655を形成するように配置されてもよい。本明細書中で使用されるところでは、用語「伝導性パッド」、「伝導性相互接続」、および「伝導性接点」は、交換可能に使用されうる。第1の伝導性パッド607、エッチング停止層613、第2の伝導性パッド609、および伝導性TSV 611は、任意の好適な技術、たとえば、リソグラフィー・プロセスまたは付加プロセス、たとえばコールドスプレーまたは3次元印刷を使用して形成されてもよい。たとえば、第1の伝導性パッド607、エッチング停止層613、第2の伝導性パッド609、および伝導性TSV 611は、ボンディング膜616上で、複数のフォトレジスト層を堆積し、露光し、および現像し、金属などの伝導性材料を堆積することによって形成されてもよい。フォトレジスト層は、第1の伝導性パッド607、エッチング停止層613、第2の伝導性パッド609、および伝導性TSV 611の形状の空洞を形成するようにパターン化されてもよい。銅のような伝導性材料が、第1の伝導性パッド607、第2の伝導性パッド609、および伝導性TSV 611を形成するために、パターン化されたフォトレジスト層の開口部に堆積されてもよい。ニッケルのようなエッチング停止材料が、エッチング停止層613を形成するために、パターン化されたフォトレジスト層の開口部に堆積されてもよい。伝導性材料およびエッチング停止材料は、電気めっき、スパッタリング、または無電解めっきなどの任意の好適なプロセスを使用して堆積されてもよい。いくつかの実施形態では、第1の伝導性パッド607、エッチング停止層613、第2の伝導性パッド609、および伝導性TSV 611をそれぞれ露出するために、各材料堆積後にフォトレジストを除去してもよい。いくつかの実施形態では、第1のフォトレジスト材料が堆積および現像されて、第1の伝導性パッド607、エッチング停止層613、および第2の伝導性パッド609を形成してもよく、次いで、第1のフォトレジスト材料が除去されてもよく、第2のフォトレジスト材料が堆積および現像されて、伝導性TSV 611を形成してもよく、次いで、第2のフォトレジスト材料が除去されてもよい。別の例では、光像形成可能誘電体を使用して、第1の伝導性パッド607、エッチング停止層613、第2の伝導性パッド609、および伝導性TSV 611を形成してもよい。いくつかの実施形態では、フォトレジスト材料および伝導性材料を堆積する前に、ボンディング膜616の上面にシード層(図示せず)が形成されてもよい。シード層は、銅またはチタン/銅を含む任意の好適な伝導性材料でありうる。シード層は、最後のフォトレジスト層を除去した後、とりわけ化学エッチングを含む任意の好適なプロセスを使用して除去されてもよい。いくつかの実施形態では、シード層は省略されてもよい。
Claims (15)
- 第1の面および対向する第2の面を有する基板であって、前記基板は、貫通基板ビア(TSV)を含む、基板と;
前記第1の面における第1のモールド材料領域であって、前記第1のモールド材料領域は、前記TSVに伝導的に結合された第1のモールド貫通ビア(TMV)を含む、第1のモールド材料領域と;
前記第2の面における第2のモールド材料領域であって、前記第2のモールド材料領域は、前記TSVに伝導的に結合された第2のTMVを含む、第2のモールド材料領域とを有する、
マイクロ電子コンポーネント。 - 前記第1のTMVは、第1のピッチを有する複数の第1のTMVであり、前記第2のTMVは、前記第1のピッチとは異なる第2のピッチを有する複数のTMVである、請求項1に記載のマイクロ電子コンポーネント。
- 前記第1のピッチが90ミクロンから300ミクロンの間であり、前記第2のピッチが20ミクロンから100ミクロンの間である、請求項2に記載のマイクロ電子コンポーネント。
- 前記第1のモールド材料領域の厚さは、15ミクロンから40ミクロンの間である、請求項1〜3のいずれか一項に記載のマイクロ電子コンポーネント。
- 前記第2のモールド材料領域の厚さは、15ミクロンから40ミクロンの間である、請求項1〜3のいずれか一項に記載のマイクロ電子コンポーネント。
- 当該マイクロ電子コンポーネントの全体的な厚さが、60ミクロンから135ミクロンの間である、請求項1〜3のいずれか一項に記載のマイクロ電子コンポーネント。
- 前記第1のモールド材料領域のモールド材料は、有機ポリマー、有機誘電体材料、難燃性グレード4材料、ビスマレイミドトリアジン樹脂、ポリイミド材料、ガラス強化エポキシマトリックス材料、低k誘電体、および超低k誘電体のうちの一つまたは複数を含む、請求項1〜3のいずれかに記載のマイクロ電子コンポーネント。
- 第1の表面および対向する第2の表面を有する第1の基板であって、前記第1の基板は、第1の基板貫通基板ビア(TSV)を含む、第1の基板;
前記第1の基板に埋め込まれたマイクロ電子コンポーネントであって、前記マイクロ電子コンポーネントは:
第1の面および対向する第2の面を有する第2の基板であって、前記第2の基板は第2のTSVを含む、第2の基板と;
前記第1の面における第1のモールド材料領域であって、前記第1のモールド材料領域は、前記第2のTSVに伝導的に結合された第1のモールド貫通ビア(TMV)を含む、第1のモールド材料領域と;
前記第2の面における第2のモールド材料領域であって、前記第2のモールド材料領域は、前記第2のTSVに伝導的に結合された第2のTMVを含む、第2のモールド材料領域とを有しており、前記第1のモールド材料領域は、前記第1の基板の前記第1の表面にあり、前記第2のモールド材料領域は、前記第1の基板の前記第2の表面にある、マイクロ電子コンポーネント;ならびに
前記第1の基板の前記第2の表面において前記第1のTSVおよび前記第2のTMVに電気的に結合されたダイを有する、
マイクロ電子アセンブリ。 - 前記ダイが第1のダイであり、前記第1のTSVが複数の第1のTSVであり、前記第2のTMVが複数の第2のTMVであり、さらに:
前記第1の基板の前記第2の表面において前記複数の第1のTSVのうちの一つまたは複数および前記複数の第2のTMVのうちの一つまたは複数に電気的に結合された第2のダイを有する、
請求項8に記載のマイクロ電子アセンブリ。 - 前記ダイのまわりに、前記第1の基板と接触して絶縁材料をさらに有する、
請求項8に記載のマイクロ電子アセンブリ。 - 前記絶縁材料は、モールド材料である、請求項10に記載のマイクロ電子アセンブリ。
- 前記ダイと前記第1の基板との間において前記第1の基板の前記第2の表面におけるアンダーフィル材料をさらに有する、
請求項8〜11のうちいずれか一項に記載のマイクロ電子アセンブリ。 - 前記第1のTSVが複数の第1のTSVであり、前記第1のTMVが複数の第1のTMVであり、さらに
前記第1の基板の前記第1の表面において、前記複数の第1のTSVのうちの一つまたは複数および前記複数の第1のTMVのうちの一つまたは複数に電気的に結合されたパッケージ基板を有する、
請求項8〜11のうちいずれか一項に記載のマイクロ電子アセンブリ。 - 前記ダイは、第1の表面および対向する第2の表面を有し、前記ダイの前記第1の表面は、前記第1のTSVおよび前記第2のTMVに電気的に結合され、さらに
前記ダイの前記第2の表面上の熱インターフェース材料を有する、
請求項8〜11のうちいずれか一項に記載のマイクロ電子アセンブリ。 - 前記熱インターフェース材料上のヒート・スプレッダをさらに有する、
請求項14に記載のマイクロ電子アセンブリ。
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