JP6262153B2 - 部品内蔵基板の製造方法 - Google Patents
部品内蔵基板の製造方法 Download PDFInfo
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- JP6262153B2 JP6262153B2 JP2014557291A JP2014557291A JP6262153B2 JP 6262153 B2 JP6262153 B2 JP 6262153B2 JP 2014557291 A JP2014557291 A JP 2014557291A JP 2014557291 A JP2014557291 A JP 2014557291A JP 6262153 B2 JP6262153 B2 JP 6262153B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000012212 insulator Substances 0.000 claims description 68
- 238000000034 method Methods 0.000 claims description 47
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- 239000004744 fabric Substances 0.000 claims description 38
- 239000004020 conductor Substances 0.000 claims description 32
- 239000012530 fluid Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000010030 laminating Methods 0.000 claims description 15
- 238000003475 lamination Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
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- 238000005553 drilling Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H05K1/188—Components encapsulated in the insulating substrate of the printed circuit or incorporated in internal layers of a multilayer circuit manufactured by mounting on or attaching to a structure having a conductive layer, e.g. a metal foil, such that the terminals of the component are connected to or adjacent to the conductive layer before embedding, and by using the conductive layer, which is patterned after embedding, at least partially for connecting the component
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Description
を含み、前記レイアップ工程にて、前記孔あき絶縁体を流動性を有する流動体及び剛性を有する剛性体で形成し、前記流動体の厚みは前記孔あき絶縁体の厚みの30%〜90%とし、前記ビア形成工程にて、前記ガラスクロスを貫通する大径の大径ビアを形成した後、前記大径ビアに対して段差部を形成しつつ前記端子に到達する前記大径ビアより小径の小径ビアを形成することを特徴とする部品内蔵基板の製造方法を提供する。
図1及び図2に示すように、搭載工程を行う。まずは図1に示すように、剛性を有する支持板1上に金属膜2を貼付ける。金属膜2は将来導電パターンとなるべきものである。支持板1はプロセス条件にて必要とされる程度の剛性を有するものを用いる。例えば、剛性のあるSUS(ステンレス)板又はアルミ板等で形成される。金属膜2は、支持板1がSUS板であれば銅めっきを析出させて形成でき、アルミ板であれば銅箔を貼り付けて形成できる。そして図2に示すように、金属膜2上に絶縁材料からなる接着剤3を例えばディスペンサーや印刷等で塗布する。この接着剤3上に電気又は電子的な部品4を搭載する。なお、部品4の搭載は半田を用いて金属膜2上に行ってもよい。この例では、部品4には電極となる端子5、15が両面に形成されている。
Claims (6)
- 剛性を有する支持板上に金属膜を貼り付け、該金属膜上に電気又は電子的な部品を搭載する搭載工程と、
前記部品が貫通する貫通孔が予め形成された孔あき絶縁体の前記貫通孔に前記部品を通し、シート状のガラスクロスが内蔵された孔なし絶縁体を前記貫通孔を塞ぐ位置に配するレイアップ工程と、
前記孔あき絶縁体及び前記孔なし絶縁体とを互いに押圧して加熱することにより絶縁層を形成し、該絶縁層内に前記部品を埋設する積層工程と、
前記絶縁層の外側から前記部品が有する端子に到達するビアを形成するビア形成工程と、
前記絶縁層の表面に導体パターンを形成し、かつ前記ビア内に前記導体パターンと前記端子とを電気的に接続するための導電体を充填して導通ビアを形成するパターン形成工程と
を含み、
前記レイアップ工程にて、前記孔あき絶縁体を流動性を有する流動体及び剛性を有する剛性体で形成し、前記流動体の厚みは前記孔あき絶縁体の厚みに対して30%〜90%とし、
前記ビア形成工程にて、前記ガラスクロスを貫通するパワーの第1のレーザー照射により大径の大径ビアを形成した後、前記第1のレーザー照射よりも低いパワーである第2のレーザー照射により前記大径ビアに対して段差部を形成しつつ前記端子に到達する前記大径ビアより小径の小径ビアを形成することを特徴とする部品内蔵基板の製造方法。 - 前記ビア形成工程にて、前記ビア内に突出する前記ガラスクロスをガラスエッチング処理にて除去することを特徴とする請求項1に記載の部品内蔵基板の製造方法。
- 前記レイアップ工程にて、前記孔なし絶縁体の溶融開始温度が前記孔あき絶縁体の溶融開始温度よりも高いものを用いることを特徴とする請求項1に記載の部品内蔵基板の製造方法。
- 前記パターン形成工程の後、前記導体パターンの外側から絶縁樹脂材料からなる外側絶縁体を押圧して積層して多層基板を形成する外側積層工程をさらに行い、
該外側積層工程で前記大径ビア及び前記小径ビアからなる前記導通ビア1個あたりに加わる圧力を50gf以下とすることを特徴とする請求項1に記載の部品内蔵基板の製造方法。 - 前記パターン形成工程の後、前記導体パターンの外側から絶縁樹脂材料からなる外側絶縁体を押圧して積層して多層基板を形成する外側積層工程をさらに行い、
前記大径ビア及び前記小径ビアの厚みは、前記多層基板の厚みに対して15%以下であることを特徴とする請求項1に記載の部品内蔵基板の製造方法。 - 前記パターン形成工程の後、前記導体パターンの外側から絶縁樹脂材料からなる外側絶縁体を押圧して積層して多層基板を形成する外側積層工程をさらに行い、
前記小径ビアが到達する前記端子の厚みを12μm以上とすることを特徴とする請求項1に記載の部品内蔵基板の製造方法。
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US20150366081A1 (en) * | 2014-06-15 | 2015-12-17 | Unimicron Technology Corp. | Manufacturing method for circuit structure embedded with electronic device |
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JP2016058472A (ja) * | 2014-09-08 | 2016-04-21 | イビデン株式会社 | 電子部品内蔵配線板及びその製造方法 |
CN107295746B (zh) * | 2016-03-31 | 2021-06-15 | 奥特斯(中国)有限公司 | 器件载体及其制造方法 |
EP3481162B1 (en) * | 2017-11-06 | 2023-09-06 | AT & S Austria Technologie & Systemtechnik Aktiengesellschaft | Component carrier with two component carrier portions and a component being embedded in a blind opening of one of the component carrier portions |
TWI706705B (zh) * | 2019-06-21 | 2020-10-01 | 唐虞企業股份有限公司 | 電路板及其製造方法 |
WO2021146894A1 (zh) * | 2020-01-21 | 2021-07-29 | 鹏鼎控股(深圳)股份有限公司 | 内埋电子元件的电路板及制作方法 |
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JP2007088009A (ja) | 2005-09-20 | 2007-04-05 | Cmk Corp | 電子部品の埋め込み方法及び電子部品内蔵プリント配線板 |
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US8737085B2 (en) | 2006-05-24 | 2014-05-27 | Dai Nippon Printing Co., Ltd. | Wiring board with a built-in component and method for manufacturing the same |
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US8024858B2 (en) * | 2008-02-14 | 2011-09-27 | Ibiden Co., Ltd. | Method of manufacturing printed wiring board with built-in electronic component |
JP5284147B2 (ja) * | 2008-03-13 | 2013-09-11 | 日本特殊陶業株式会社 | 多層配線基板 |
JP4874305B2 (ja) | 2008-07-22 | 2012-02-15 | 株式会社メイコー | 電気・電子部品内蔵回路基板とその製造方法 |
JP5378380B2 (ja) * | 2008-07-23 | 2013-12-25 | ルネサスエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
JPWO2010024233A1 (ja) * | 2008-08-27 | 2012-01-26 | 日本電気株式会社 | 機能素子を内蔵可能な配線基板及びその製造方法 |
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TWI392425B (zh) | 2009-08-25 | 2013-04-01 | Unimicron Technology Corp | 內埋式線路板及其製造方法 |
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US20150327369A1 (en) | 2015-11-12 |
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TWI592067B (zh) | 2017-07-11 |
EP2947975A4 (en) | 2016-08-24 |
WO2014112108A1 (ja) | 2014-07-24 |
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