JP2011077132A - 半導体素子内蔵基板及び半導体素子内蔵基板の製造方法 - Google Patents
半導体素子内蔵基板及び半導体素子内蔵基板の製造方法 Download PDFInfo
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- JP2011077132A JP2011077132A JP2009224672A JP2009224672A JP2011077132A JP 2011077132 A JP2011077132 A JP 2011077132A JP 2009224672 A JP2009224672 A JP 2009224672A JP 2009224672 A JP2009224672 A JP 2009224672A JP 2011077132 A JP2011077132 A JP 2011077132A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 264
- 239000000758 substrate Substances 0.000 title claims abstract description 182
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 22
- 239000003989 dielectric material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 abstract description 32
- 229910052751 metal Inorganic materials 0.000 abstract description 32
- 229910000679 solder Inorganic materials 0.000 abstract description 27
- 238000000034 method Methods 0.000 description 18
- 239000000853 adhesive Substances 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- BGECDVWSWDRFSP-UHFFFAOYSA-N borazine Chemical compound B1NBNBN1 BGECDVWSWDRFSP-UHFFFAOYSA-N 0.000 description 1
- -1 borazine compound Chemical class 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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Abstract
【解決手段】半導体素子内蔵基板10は、誘電体層14に第1金属層16Aが積層された基板18Aと、分布定数回路を含んで構成され、かつ基板18Aに対向する面の周辺領域に複数のボンディングパッド20Aが形成され、ボンディングパッド20Aに対応した導電性を有する半田バンプ22Aによって、第1金属層16Aに電気的に接続される半導体素子12と、半導体素子12の上記周辺領域よりも内側で、かつ上記分布定数回路が形成されている内側領域に対応して配置され、半導体素子12と基板18Aとの間に介在されて半導体素子12を支持する半田バンプ22Bと、基板18A及び半導体素子12に張り合わされる基板18Bと、を備える。
【選択図】図1
Description
図1は、本第1の実施の形態に係る半導体素子内蔵基板10を示す縦断面図であり、当該半導体素子内蔵基板10の製造方法を、図2〜4を用いて説明する。
本第2の実施の形態では、半導体素子12の内側領域に配置され、半導体素子12と基板18Aとの間に介在されて半導体素子12を支持する支持部材を、誘電体を含むシート状部材とする形態について説明する。
12 半導体素子
14 誘電体層
16A 第1金属層(配線層)
18A 基板(第1の基板)
18B 基板(第2の基板)
20A,20B ボンディングパッド
22A 半田バンプ(導電性部材)
22B 半田バンプ(支持部材、接続部材)
30 シート状部材(支持部材)
Claims (8)
- 誘電体層に配線層が積層された第1の基板と、
分布定数回路を含んで構成され、かつ前記第1の基板に対向する面の周辺領域に複数のボンディングパッドが形成され、当該複数のボンディングパッドに対応した導電性を有する導電性部材によって、前記配線層に電気的に接続される半導体素子と、
前記半導体素子の前記周辺領域よりも内側の領域に配置され、前記半導体素子と前記第1の基板との間に介在されて前記半導体素子を支持する支持部材と、
前記第1の基板及び前記半導体素子に張り合わされる第2の基板と、
を備えた半導体素子内蔵基板。 - 前記半導体素子は、前記内側の領域に信号線路が形成され、
前記支持部材は、前記信号線路が形成されている領域以外に配置される請求項1記載の半導体素子内蔵基板。 - 前記第1の基板は、前記半導体素子の前記周辺領域に対向する領域、及び前記内側の領域に対向する領域に前記配線層が積層され、
前記半導体素子は、前記内側の領域に複数のボンディングパッドが形成され、
前記支持部材は、導電性であると共に、前記内側の領域に形成されている複数のボンディングパッドに対応して複数形成され、前記内側の領域に対向する前記第1の基板の領域に積層された前記配線層と前記内側の領域に形成されている複数のボンディングパッドとを電気的に接続する接続部材である請求項2に記載の半導体素子内蔵基板。 - 前記半導体素子は、前記接続部材によって前記配線層に接続される複数のボンディングパッドが前記内側の領域にランダムに形成されている請求項3に記載の半導体素子内蔵基板。
- 前記支持部材は、誘電体を含むシート状部材である請求項1に記載の半導体素子内蔵基板。
- 前記半導体素子は、動作周波数が異なる複数の回路を有し、又は、動作周波数が異なる回路を有する複数の前記半導体素子を備え、
前記シート状部材は、前記半導体素子の前記回路の動作周波数に対応して、誘電率及び誘電正接の少なくとも一方が異なる複数の誘電体を含んで構成される請求項5記載の半導体素子内蔵基板。 - 前記半導体素子は、動作周波数が異なる複数の回路を有し、又は、動作周波数が異なる回路を有する複数の前記半導体素子を備え、
前記シート状部材は、相対的に動作周波数の高い前記回路の位置に対応して配置され、
相対的に動作周波数の低い前記回路の位置に対応してアンダーフィル材が充填される請求項5又は請求項6記載の半導体素子内蔵基板。 - 分布定数回路を含んで構成された半導体素子に対して、誘電体層に配線層が積層された第1の基板に対向する面の周辺領域に、複数のボンディングパッドを形成する工程と、
前記複数のボンディングパッドに対応した導電性を有する導電性部材によって、前記第1の基板の前記配線層に電気的に接続すると共に、前記半導体素子の前記周辺領域よりも内側の領域に前記支持部材を前記第1の基板との間に介在させて、前記半導体素子を前記第1の基板に実装する工程と、
第2の基板を前記第1の基板及び前記半導体素子に張り合わせる工程と、
を有する半導体素子内蔵基板の製造方法。
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JP2009224672A JP5445001B2 (ja) | 2009-09-29 | 2009-09-29 | 半導体素子内蔵基板及び半導体素子内蔵基板の製造方法 |
CN201010184938.5A CN102034788B (zh) | 2009-09-29 | 2010-05-21 | 半导体元件内置基板和半导体元件内置基板的制造方法 |
US12/923,579 US20110074012A1 (en) | 2009-09-29 | 2010-09-28 | Substrate with built-in semiconductor element, and method of fabricating substrate with built-in semiconductor element |
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