JP6423313B2 - 電子部品内蔵基板及びその製造方法と電子装置 - Google Patents
電子部品内蔵基板及びその製造方法と電子装置 Download PDFInfo
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
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- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
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- H01L2224/732—Location after the connecting process
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- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
- H01L23/49816—Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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- H01L23/50—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor for integrated circuit devices, e.g. power bus, number of leads
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- 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
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
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- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/095—Conductive through-holes or vias
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- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
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Description
図4〜図10は第1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11及び図12は第1実施形態の電子部品内蔵基板を示す図、図13は第1実施形態の電子装置を示す図である。
図15〜図18は第2実施形態の電子部品内蔵基板の製造方法を示す図、図19及び図20は第2実施形態の電子部品内蔵基板を示す図、図21は第2実施形態の電子装置を示す図である。
図23は第3実施形態の電子部品内蔵基板を示す図である。図23に示すように、第3実施形態の電子部品内蔵基板1bでは、前述した第2実施形態の図20の電子部品内蔵基板1aにおいて、キャパシタ素子40の下側領域に第1配線層30が追加で配置されている。
図25〜図28は第4実施形態の電子部品内蔵基板の製造方法を示す図、図29及び図30は第4実施形態の電子部品内蔵基板を示す図である。
Claims (11)
- 第1の面と、前記第1の面と反対側の第2の面とを備えた絶縁基材と、
前記絶縁基材の中に埋め込まれ、側面に電極を備えた電子部品と、
前記電子部品の電極の外側の前記絶縁基材に、前記第1の面から表面が露出した状態で埋め込まれた第1配線層と、
前記絶縁基材の第2の面から前記電子部品の電極の側面及び前記第1配線層に到達するビア導体と、
前記絶縁基材の第2の面の上に形成され、前記ビア導体に接続された第2配線層と
を有することを特徴とする電子部品内蔵基板。 - 前記絶縁基材は、
前記電子部品の下に配置された接着樹脂層と、
前記電子部品及び前記第1配線層を埋め込む絶縁層とから形成され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。 - 前記絶縁基材は、
前記電子部品の下に配置された接着樹脂層と、
前記接着樹脂層及び前記電子部品の外側に配置され、前記電子部品が搭載された領域に開口部を備えた第1絶縁層と、
前記第1絶縁層の上に積層され、前記開口部内の前記電子部品を埋め込む第2絶縁層とから形成され、
前記第1絶縁層と前記第2絶縁層との間に第3配線層が形成されてい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。 - 前記接着樹脂層、前記絶縁層及び前記第1配線層の各第1の面は、面一になっていることを特徴とする請求項2に記載の電子部品内蔵基板。
- 前記接着樹脂層、前記第1絶縁層及び前記第2絶縁層の積層体並びに前記第1配線層の各第1の面は、面一になっ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。
- 前記電子部品の下の前記接着樹脂層に、前記第1の面から露出した状態で前記第1配線層が埋め込ま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。
- 前記ビア導体は、前記絶縁基材の第2の面から平面視して、2つの円が連通したひょうたん型の形状であることを特徴とする請求項1乃至6のいずれか一項に記載の電子部品内蔵基板。
- 第1の面と、前記第1の面と反対側の第2の面とを備えた絶縁基材と、
前記絶縁基材の中に埋め込まれ、側面に電極を備えた電子部品と、
前記電子部品の電極の外側の前記絶縁基材に、前記第1の面から表面が露出した状態で埋め込まれた第1配線層と、
前記絶縁基材の第2の面から前記電子部品の電極の側面及び前記第1配線層に到達するビア導体と、
前記絶縁基材の第2の面の上に形成され、前記ビア導体に接続された第2配線層と、
前記第2配線層に接続された半導体チップと
を有する電子装置。 - 下地層上の部品搭載領域の外側に第1配線層を形成する工程と、
前記下地層上の部品搭載領域に、接着樹脂層を介して側面に電極を備えた電子部品を接着する工程と、
前記電子部品及び前記第1配線層を埋め込む絶縁層を形成する工程と、
前記絶縁層に、前記電子部品の電極の側面と前記第1配線層に到達するビアホールを形成する工程と、
前記ビアホール内に形成されるビア導体を介して、前記電子部品の電極の側面と前記第1配線層とに接続される第2配線層を前記絶縁層の上に形成する工程と、
前記下地層を除去する工程と
を有することを特徴とする電子部品内蔵基板の製造方法。 - 部品搭載領域を備えた下地層の上に第1配線層を形成する工程と、
前記下地層及び前記第1配線層の上に第1絶縁層を形成する工程と、
前記部品搭載領域の外側の前記第1絶縁層の上に第2配線層を形成する工程と、
前記部品搭載領域に対応する部分の前記第1絶縁層に開口部を形成する工程と、
前記第1絶縁層の開口部に、接着樹脂層を介して側面に電極を備えた電子部品を接着する工程と、
前記電子部品、前記第1絶縁層及び前記第2配線層の上に第2絶縁層を形成する工程と、
前記第2絶縁層及び前記第1絶縁層に、前記電子部品の電極の側面と前記第1配線層に到達するビアホールを形成する工程と、
前記ビアホール内に形成されたビア導体を介して、前記電子部品の電極の側面と前記第1配線層とに接続される第3配線層を前記第2絶縁層の上に形成する工程と、
前記下地層を除去する工程と
を有することを特徴とする電子部品内蔵基板の製造方法。 - 前記ビアホールを形成する工程は、
第1回目のレーザ加工により、前記電子部品の電極の側面に到達する第1ホールを形成する工程と、
第2回目のレーザ加工により、前記第1ホールに連通する第2ホールを形成する工程と、
第3回目のレーザ加工により、前記第2ホールの底部に連通して前記第1配線層に到達する第3ホールを形成する工程とを含む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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JP5756958B2 (ja) * | 2013-10-21 | 2015-07-29 | 株式会社野田スクリーン | 多層回路基板 |
JP6287149B2 (ja) * | 2013-12-10 | 2018-03-07 | イビデン株式会社 | 電子部品内蔵基板及び電子部品内蔵基板の製造方法 |
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