JP6660850B2 - 電子部品内蔵基板及びその製造方法と電子部品装置 - Google Patents
電子部品内蔵基板及びその製造方法と電子部品装置 Download PDFInfo
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- JP6660850B2 JP6660850B2 JP2016154426A JP2016154426A JP6660850B2 JP 6660850 B2 JP6660850 B2 JP 6660850B2 JP 2016154426 A JP2016154426 A JP 2016154426A JP 2016154426 A JP2016154426 A JP 2016154426A JP 6660850 B2 JP6660850 B2 JP 6660850B2
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- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/1901—Structure
- H01L2924/1904—Component type
- H01L2924/19041—Component type being a capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19102—Disposition of discrete passive components in a stacked assembly with the semiconductor or solid state device
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10015—Non-printed capacitor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10507—Involving several components
- H05K2201/10515—Stacked components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10507—Involving several components
- H05K2201/10522—Adjacent components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
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Description
次いで、図3(a)に示すように、コア基板100の下面に、樹脂フィルムを積層して第1絶縁層400を形成する。これにより、キャパシタ300の側面及び下面が第1絶縁層400で封止される。
図8〜図17は実施形態の電子部品内蔵基板の製造方法を説明するための図、図18及び図19は実施形態の電子部品内蔵基板を示す図である。以下、電子部品内蔵基板の製造方法を説明しながら、電子部品内蔵基板及び電子部品装置の構造を説明する。
Claims (11)
- コア基板と、
前記コア基板を貫通するキャビティと、
前記コア基板の一方の面に形成された配線層と、
前記配線層と同一層から形成され、前記キャビティを跨ぐと共に、平面視で前記キャビティを複数の貫通孔に区画する部品搭載パターンと、
前記部品搭載パターンに搭載され、前記キャビティ内に配置された電子部品と、
前記コア基板の一方の面に形成され、前記複数の貫通孔を埋めて前記電子部品の一方の面を覆う第1絶縁層と、
前記コア基板の他方の面に形成され、前記電子部品の他方の面を覆う第2絶縁層と
を有し、
前記電子部品は中央部が前記部品搭載パターンに固定されると共に、前記電子部品の両端側はそれぞれ前記複数の貫通孔と平面視で重なるように配置され、
前記電子部品の側面と前記キャビティの内壁との間の空間は、平面視で前記貫通孔と重なり、
前記キャビティ内は前記第1絶縁層と前記第2絶縁層とにより充填されていることを特徴とする電子部品内蔵基板。 - 前記部品搭載パターンは、前記キャビティの開口幅よりも狭い帯状であることを特徴とする請求項1に記載の電子部品内蔵基板。
- 前記部品搭載パターンは、縦方向パターンと横方向パターンとが交差する十字状であり、2つの前記電子部品が横方向パターンに並べて配置されると共に、2つの前記電子部品の間に前記縦方向パターンと前記横方向パターンとの交差部分が位置することを特徴とする請求項1に記載の電子部品内蔵基板。
- 前記電子部品の厚みは前記コア基板の厚みよりも薄く、かつ、前記電子部品は前記部品搭載パターンに接着剤で固定され、
前記コア基板の一方の面から前記電子部品の一方の面までの高さと、前記コア基板の他方の面から前記電子部品の他方の面までの高さとが等しいことを特徴とする請求項1乃至3のいずれか一項に記載の電子部品内蔵基板。 - 前記2つの電子部品間の前記縦方向パターンの上に、前記コア基板と同じ材料から形成された絶縁壁部が配置されていることを特徴とする請求項3に記載の電子部品内蔵基板。
- 前記第1絶縁層に形成され、前記貫通孔に配置された前記電子部品の接続端子の上面に到達するビアホールと、
前記第1絶縁層の上面に形成され、前記ビアホールを介して前記電子部品の接続端子の上面に接続される配線層と
を有することを特徴とすることを特徴とする請求項1乃至5のいずれか一項に記載の電子部品内蔵基板。 - 前記電子部品の長手方向の両端部に接続端子が形成され、
前記接続端子の側面と前記キャビティの内壁との間の空間は、平面視で前記貫通孔と重なることを特徴とする請求項1乃至6のいずれか1項に記載の電子部品内蔵基板。 - コア基板と、
前記コア基板を貫通するキャビティと、
前記コア基板の一方の面に形成された配線層と、
前記配線層と同一層から形成され、前記キャビティを跨ぐと共に、平面視で前記キャビティを複数の貫通孔に区画する部品搭載パターンと、
前記部品搭載パターンに搭載され、前記キャビティ内に配置された第1電子部品と、
前記コア基板の一方の面に形成され、前記複数の貫通孔を埋めて前記第1電子部品の一方の面を覆う第1絶縁層と、
前記コア基板の他方の面に形成され、前記第1電子部品の他方の面を覆う第2絶縁層と、を有し、
前記第1電子部品は中央部が前記部品搭載パターンに固定されると共に、前記第1電子部品の両端側はそれぞれ前記複数の貫通孔と平面視で重なるように配置され、
前記第1電子部品の側面と前記キャビティの内壁との間の空間は、平面視で前記複数の貫通孔と重なり、
前記キャビティ内は前記第1絶縁層と前記第2絶縁層とにより充填されている電子部品内蔵基板と、
前記電子部品内蔵基板の上に搭載され、前記第1電子部品と電気的に接続された第2電子部品とを有することを特徴とする電子部品装置。 - コア基板を用意する工程と、
コア基板の一方に面に、配線層と、前記配線層と同一層からなる部品搭載パターンとを形成する工程と、
前記コア基板を貫通するキャビティを形成して、前記キャビティを跨ぐように前記部品搭載パターンを配置すると共に、平面視で前記部品搭載パターンによって前記キャビティ内に複数の貫通孔を区画する工程と、
前記部品搭載パターンに電子部品を搭載して、前記電子部品を前記キャビティ内に配置する工程と、
前記コア基板の一方の面に、前記貫通孔を埋めて前記電子部品の一方の面を覆う第1絶縁層を形成すると共に、前記コア基板の他方の面に、前記電子部品の他方の面を覆う第2絶縁層を形成し、前記キャビティ内を前記第1絶縁層と前記第2絶縁層とで充填する工程と
を有し、
前記電子部品を搭載する工程において、前記電子部品の中央部を前記部品搭載パターンに固定すると共に、前記電子部品の両端側をそれぞれ前記複数の貫通孔と平面視で重なるように配置し、前記電子部品の側面と前記キャビティの内壁との間の空間は、平面視で前記貫通孔と重なることを特徴とする電子部品内蔵基板の製造方法。 - 前記電子部品を搭載する工程において、
前記電子部品の厚みは前記コア基板の厚みよりも薄く、かつ、前記電子部品を前記部品搭載パターンに接着剤で固定し、
前記接着剤の厚みを調整することにより、電子部品の高さ位置を調整することを特徴とする請求項9に記載の電子部品内蔵基板の製造方法。 - 前記部品搭載パターンを形成する工程において、
縦方向パターンと横方向パターンとが交差する十字状の部品搭載パターンを形成し、
前記キャビティを形成する工程において、
前記十字状の部品搭載パターンの縦方向パターンの上に前記コア基板と同じ材料から形成される絶縁壁部を配置し、
前記電子部品を搭載する工程において、
前記電子部品の間に前記絶縁壁部が配置されるように、前記縦方向パターンの両側の横方向パターンに2つの前記電子部品を搭載することを特徴とする請求項9又は10に記載の電子部品内蔵基板の製造方法。
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