JP6241554B2 - 積層モジュールおよび積層モジュールの製造方法 - Google Patents
積層モジュールおよび積層モジュールの製造方法 Download PDFInfo
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- JP6241554B2 JP6241554B2 JP2016550097A JP2016550097A JP6241554B2 JP 6241554 B2 JP6241554 B2 JP 6241554B2 JP 2016550097 A JP2016550097 A JP 2016550097A JP 2016550097 A JP2016550097 A JP 2016550097A JP 6241554 B2 JP6241554 B2 JP 6241554B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000004020 conductor Substances 0.000 claims description 186
- 239000012212 insulator Substances 0.000 claims description 107
- 239000000758 substrate Substances 0.000 claims description 45
- 239000010410 layer Substances 0.000 claims description 44
- 239000011229 interlayer Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 10
- 229920005992 thermoplastic resin Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000106 Liquid crystal polymer Polymers 0.000 description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Description
熱可塑性樹脂を主成分とする複数の絶縁体層が積層された積層絶縁体と、
前記積層絶縁体の内部に、前記絶縁体層に沿って配置される導体パターンと、
前記導体パターンに接続される内蔵部品と、
前記積層絶縁体の表面に搭載される搭載部品と、
前記積層絶縁体の表面に形成され、前記搭載部品のバンプが超音波接合されるパッドと、
前記パッドと前記内蔵部品との間に形成され、前記絶縁体層の積層方向に視て、前記パッドおよび前記内蔵部品を覆う範囲に広がる補助導体パターンと、を備える、
ことを特徴とする。
熱可塑性樹脂を主成分とする複数の絶縁体層が積層された積層絶縁体と、
前記積層絶縁体の内部に、前記絶縁体層に沿って配置される導体パターンと、
前記導体パターンに接続される内蔵部品と、
前記積層絶縁体の表面に搭載される搭載部品と、
を備える、積層モジュールの製造方法であって、
前記導体パターンが形成された絶縁体基材を用意する工程と、
前記搭載部品のバンプが超音波接合されるパッドと前記内蔵部品との間に、補助導体パターンを配置し、前記内蔵部品とともに前記絶縁体基材を積層し、加熱プレスする工程と、
前記搭載部品を前記積層絶縁体の表面に形成された前記パッドに超音波接合により接合する工程と、
を有することを特徴とする。
前記絶縁体基材に内蔵部品収納部を形成する工程と、
前記内蔵部品を前記内蔵部品収納部に配置する工程と、
を更に有することが好ましい。
前記絶縁体基材に層間接続導体形成用孔を形成する工程と、
前記層間接続導体形成用孔に導電性ペーストを充填する工程と、
前記層間接続導体形成用孔に充填された導電性ペーストに前記内蔵部品の端子を接触させた状態で加熱プレスすることにより、前記層間接続導体と前記内蔵部品とを接合する工程と、を更に有することが好ましい。
図1は第1の実施形態に係る積層モジュール用基板101の分解断面図である。図2は積層モジュール用基板101の断面図である。この積層モジュール用基板101は、絶縁体層11,12,13,14,15が積層された積層絶縁体10を備える。積層絶縁体10の内部には、絶縁体層11〜15に沿って配置される複数の導体パターンと、これら導体パターンのうち所定の導体パターンに接続される内蔵部品51,52とを備える。内蔵部品51,52は例えば、ランド(Land)型端子を有するチップキャパシタである。
図3は、第2の実施形態に係る積層モジュール201を構成する、積層絶縁体10および搭載部品61の断面図である。図4(A)は第2の実施形態に係る積層モジュール201の断面図であり、図4(B)は上記積層モジュール201の底面図である。また、図5は積層モジュール201の外観斜視図である。
第3の実施形態では、補助導体パターンと他の導体パターンとの間隔を確保する構造について示す。
第4の実施形態では、第3の実施形態とは異なる、補助導体パターンと他の導体パターンとの間隔を確保する構造について示す。
10…積層絶縁体
11〜15…絶縁体層
21〜26…導体パターン
30…補助導体パターン
31〜36…パッド
37…平面導体パターン
41〜49…層間接続導体
51,52…内蔵部品
61…搭載部品
71〜76…バンプ
101,103,103CE,104,104CE…積層モジュール用基板
201…積層モジュール
Claims (9)
- 熱可塑性樹脂を主成分とする複数の絶縁体層が積層された積層絶縁体と、
前記積層絶縁体の内部に、前記絶縁体層に沿って配置される導体パターンと、
前記導体パターンに接続される内蔵部品と、
前記積層絶縁体の表面に搭載される搭載部品と、
前記積層絶縁体の表面に形成され、前記搭載部品のバンプが超音波接合されるパッドと、
前記パッドと前記内蔵部品との間に形成され、前記絶縁体層の積層方向に視て、前記パッドおよび前記内蔵部品を覆う範囲に広がる補助導体パターンと、
前記補助導体パターンに対して厚み方向に最も近接する位置に設けられ、平面視で、前記補助導体パターンに重なり、且つ前記補助導体パターンの外側領域に亘るように形成される近接導体パターンと、
平面視で、前記補助導体パターンの外側の領域に設けられ、前記近接導体パターンと少なくとも一部が重なる平面導体パターンと、
を備える、
積層モジュール。 - 前記補助導体パターンは前記導体パターンの一部である、請求項1に記載の積層モジュール。
- 前記補助導体パターンはグランド導体パターンである、請求項1または2に記載の積層モジュール。
- 前記内蔵部品の数は複数であり、前記補助導体パターンは前記絶縁体層の積層方向に視て、前記複数の内蔵部品を連続して覆う、請求項1から3のいずれかに記載の積層モジュール。
- 前記補助導体パターンの厚みは、他の前記導体パターンの厚みよりも厚い、請求項1から4のいずれかに記載の積層モジュール。
- 前記平面導体パターンは浮き電極パターンである、請求項1から5のいずれかに記載の積層モジュール。
- 熱可塑性樹脂を主成分とする複数の絶縁体層が積層された積層絶縁体と、
前記積層絶縁体の内部に、前記絶縁体層に沿って配置される導体パターンと、
前記導体パターンに接続される内蔵部品と、
前記積層絶縁体の表面に搭載される搭載部品と、
を備える、積層モジュールの製造方法であって、
前記導体パターンが形成された絶縁体基材を用意する工程と、
前記搭載部品のバンプが超音波接合されるパッドと前記内蔵部品との間に、補助導体パターンを配置し、前記補助導体パターンに対して厚み方向に最も近接する位置に、平面視で、前記補助導体パターンに重なり、且つ前記補助導体パターンの外側領域に亘るように近接導体パターンを配置し、平面視で、前記補助導体パターンの外側の領域に、前記近接導体パターンと少なくとも一部が重なる平面導体パターンを配置し、前記内蔵部品とともに前記絶縁体基材を積層し、加熱プレスする工程と、
前記搭載部品を前記積層絶縁体の表面に形成された前記パッドに超音波接合により接合する工程と、
を有する積層モジュールの製造方法。 - 前記絶縁体基材に内蔵部品収納部を形成する工程と、
前記内蔵部品を前記内蔵部品収納部に配置する工程と、
を更に有する、請求項7に記載の積層モジュールの製造方法。 - 前記絶縁体基材に層間接続導体形成用孔を形成する工程と、
前記層間接続導体形成用孔に導電性ペーストを充填する工程と、
前記層間接続導体形成用孔に充填された導電性ペーストに前記内蔵部品の端子を接触させた状態で加熱プレスすることにより、前記導電性ペーストによる層間接続導体と前記内蔵部品とを接合する工程と、を更に有する、請求項7または8に記載の積層モジュールの製造方法。
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