JP2009141041A - 電子部品実装用パッケージ - Google Patents
電子部品実装用パッケージ Download PDFInfo
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- JP2009141041A JP2009141041A JP2007314280A JP2007314280A JP2009141041A JP 2009141041 A JP2009141041 A JP 2009141041A JP 2007314280 A JP2007314280 A JP 2007314280A JP 2007314280 A JP2007314280 A JP 2007314280A JP 2009141041 A JP2009141041 A JP 2009141041A
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- 239000000758 substrate Substances 0.000 claims abstract description 120
- 229920005989 resin Polymers 0.000 claims abstract description 45
- 239000011347 resin Substances 0.000 claims abstract description 45
- 239000010410 layer Substances 0.000 claims description 140
- 239000000463 material Substances 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 28
- 229910000679 solder Inorganic materials 0.000 description 20
- 239000003990 capacitor Substances 0.000 description 14
- 239000010949 copper Substances 0.000 description 12
- 238000007747 plating Methods 0.000 description 12
- 239000010931 gold Substances 0.000 description 11
- 239000010408 film Substances 0.000 description 10
- 230000035882 stress Effects 0.000 description 9
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- 229920000647 polyepoxide Polymers 0.000 description 7
- 229920001187 thermosetting polymer Polymers 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000000470 constituent Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002241 glass-ceramic Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000001721 transfer moulding Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
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- 239000012212 insulator Substances 0.000 description 1
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- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3121—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation
- H01L23/3128—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation the substrate having spherical bumps for external connection
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- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/16235—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a via metallisation of the item
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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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Abstract
【解決手段】電子部品実装用パッケージ50は、複数の配線層11,13,15,17,19が絶縁層12,14,16,18を介在させて積層され、該絶縁層に形成されたビアホールを介して層間接続された構造体(コアレス基板)10を有している。このコアレス基板10の最外層の配線層11,19の所要箇所に画定されたパッド部11P,19Pを除いて表面全体がモールド樹脂25で覆われている。さらに、コアレス基板10の電子部品実装面側にインターポーザ30が搭載され、モールド樹脂25の一部がその間隙に充填されている。
【選択図】図1
Description
図1は本発明の第1の実施形態に係る電子部品実装用パッケージの構成を断面図の形態で示したものである。
上述した第1の実施形態及びその変形例(図1、図2)に係る電子部品実装用パッケージ50,50aの構成では、コアレス基板10,10aに対して直接的にモールド樹脂25,25aを被覆することで当該基板の補強を図り、反りを低減させるようにした場合を例にとって説明したが、本発明の要旨からも明らかなように、モールド樹脂で覆うべき対象物が必ずしもコアレス基板10,10a自体である必要がないことはもちろんである。要は、モールド樹脂で被覆することによって当該パッケージ全体の剛性が高められれば十分である。以下、その場合の実施形態について説明する。
10,10a,10b…コアレス基板(構造体)、
11,13,15,17,19,33,34,42,43,46〜49…配線層、
12,14,16,18,31,32…絶縁層、
11P,19P…パッド部、
20,20a…外部接続端子、
21…チップキャパシタ、
23,24a,24b、44,45…ソルダレジスト層(絶縁層)、
25,25a,25b,25c…モールド樹脂、
30…インターポーザ、
35,35a…接続端子、
40,40a…(コアレス基板を搭載する)プリント基板、
41…コア基板(支持基材)、
50,50a,50b,50c…電子部品実装用パッケージ。
Claims (5)
- 複数の配線層が絶縁層を介在させて積層され、該絶縁層に形成されたビアホールを介して層間接続された構造体を有し、該構造体の電子部品実装面側の最外層の配線層の所要箇所に画定されたパッド部と該構造体の電子部品実装面と反対側の最外層の配線層の所要箇所に画定されたパッド部とを除いて表面全体がモールド樹脂で覆われていることを特徴とする電子部品実装用パッケージ。
- 複数の配線層が絶縁層を介在させて積層され、該絶縁層に形成されたビアホールを介して層間接続された構造体を有し、該構造体の電子部品実装面と反対側の面に、最外層の配線層の所要箇所に画定されたパッド部を露出させて保護膜が形成されており、該保護膜が形成されている部分を除いて表面全体がモールド樹脂で覆われていることを特徴とする電子部品実装用パッケージ。
- 前記構造体の電子部品実装面側にインターポーザが当該パッド部に接続されて搭載されており、前記モールド樹脂の一部が、前記構造体と前記インターポーザとの間隙に充填されていることを特徴とする請求項1又は2に記載の電子部品実装用パッケージ。
- 複数の配線層が絶縁層を介在させて積層され、該絶縁層に形成されたビアホールを介して層間接続された構造体を有し、該構造体が、モールド樹脂で表面全体が覆われた配線基板に固定的に搭載されていることを特徴とする電子部品実装用パッケージ。
- 前記構造体を搭載する前記配線基板は、支持基材としてのコア基板を有していることを特徴とする請求項4に記載の電子部品実装用パッケージ。
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