JP2018093162A - ファン−アウト半導体パッケージ - Google Patents
ファン−アウト半導体パッケージ Download PDFInfo
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- JP2018093162A JP2018093162A JP2017113041A JP2017113041A JP2018093162A JP 2018093162 A JP2018093162 A JP 2018093162A JP 2017113041 A JP2017113041 A JP 2017113041A JP 2017113041 A JP2017113041 A JP 2017113041A JP 2018093162 A JP2018093162 A JP 2018093162A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 213
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000003566 sealing material Substances 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 35
- 238000002161 passivation Methods 0.000 claims description 35
- 229920005989 resin Polymers 0.000 claims description 34
- 239000011347 resin Substances 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 33
- 239000011810 insulating material Substances 0.000 claims description 22
- 239000008393 encapsulating agent Substances 0.000 claims 4
- 230000008878 coupling Effects 0.000 abstract description 11
- 238000010168 coupling process Methods 0.000 abstract description 11
- 238000005859 coupling reaction Methods 0.000 abstract description 11
- 230000004913 activation Effects 0.000 abstract 4
- 230000035515 penetration Effects 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 257
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 38
- 239000010949 copper Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 30
- 239000010931 gold Substances 0.000 description 27
- 239000000463 material Substances 0.000 description 24
- 239000010936 titanium Substances 0.000 description 24
- 239000004020 conductor Substances 0.000 description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 18
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 15
- 229910052737 gold Inorganic materials 0.000 description 15
- 229910000679 solder Inorganic materials 0.000 description 15
- 229910052782 aluminium Inorganic materials 0.000 description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 13
- 239000002313 adhesive film Substances 0.000 description 13
- 229910052759 nickel Inorganic materials 0.000 description 13
- 229910052709 silver Inorganic materials 0.000 description 13
- 239000004332 silver Substances 0.000 description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000000956 alloy Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000007747 plating Methods 0.000 description 12
- 229910052719 titanium Inorganic materials 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 239000011256 inorganic filler Substances 0.000 description 10
- 229910003475 inorganic filler Inorganic materials 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000003365 glass fiber Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 3
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- 150000004767 nitrides Chemical class 0.000 description 3
- 238000012858 packaging process Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- 230000003628 erosive effect Effects 0.000 description 2
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- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
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- 238000000206 photolithography Methods 0.000 description 2
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- 239000002335 surface treatment layer Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- QCEUXSAXTBNJGO-UHFFFAOYSA-N [Ag].[Sn] Chemical compound [Ag].[Sn] QCEUXSAXTBNJGO-UHFFFAOYSA-N 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
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/10—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers
- H01L25/105—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers the devices being of a type provided for in group H01L27/00
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- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3114—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed the device being a chip scale package, e.g. CSP
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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
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- H01L2225/03—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00
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- H01L2225/1011—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00 the containers being in a stacked arrangement
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Abstract
半導体チップを複数含みながら、薄型化及び小型化でき、チップ間の連結距離短縮化によりノイズを最小限に抑え、低コスト及び高収率で製造可能なファン−アウト半導体パッケージを提供する。
【解決手段】
貫通孔を有する第1連結部材と、上記第1連結部材の貫通孔に配置され、接続パッドが配置された活性面とその反対側に配置された非活性面を有する第1半導体チップが内蔵された第1パッケージと、上記第1連結部材及び上記第1パッケージの少なくとも一部を封止する封止材と、上記封止材上に配置され、上記活性面と向き合う第2連結部材と、上記第2連結部材上に配置され、第2半導体チップを含む第2パッケージと、を含み、上記第1及び第2連結部材はそれぞれ上記接続パッドと電気的に連結される再配線層を含み、上記第1及び第2パッケージは上記第2連結部材を介して電気的に連結されるファン−アウト半導体パッケージを提供する。
【選択図】図9
Description
図1は電子機器システムの例を概略的に示すブロック図である。
一般に、半導体チップには、数多くの微細電気回路が集積されているが、それ自体が半導体完成品としての役割を果たすことはできず、外部からの物理的または化学的衝撃により損傷する可能性がある。したがって、半導体チップ自体をそのまま用いるのではなく、半導体チップをパッケージングして、パッケージ状態で電子機器などに用いている。
図3はファン−イン半導体パッケージのパッケージング前後を概略的に示した断面図である。
図7はファン−アウト半導体パッケージの概略的な形態を示した断面図である。
1010 メインボード
1020 チップ関連部品
1030 ネットワーク関連部品
1040 その他の部品
1050 カメラ
1060 アンテナ
1070 ディスプレイ
1080 電池
1090 信号ライン
1100 スマートフォン
1101 本体
1110 メインボード
1120 部品
1130 カメラ
2200 ファン−イン半導体パッケージ
2220 半導体チップ
2221 本体
2222 接続パッド
2223 パッシベーション膜
2240 連結部材
2241 絶縁層
2242 再配線層
2243 ビア
2250 パッシベーション層
2260 アンダーバンプ金属層
2270 半田ボール
2280 アンダーフィル樹脂
2290 モールディング材
2500 メインボード
2301 インターポーザ基板
2302 インターポーザ基板
2100 ファン−アウト半導体パッケージ
2120 半導体チップ
2121 本体
2122 接続パッド
2140 連結部材
2141 絶縁層
2142 再配線層
2143 ビア
2150 パッシベーション層
2160 アンダーバンプ金属層
2170 半田ボール
100 半導体パッケージ
100A〜100D ファン−アウト半導体パッケージ
110 第1連結部材
111、111a、111b、111c 絶縁層
112a、112b、112c、112d 再配線層
113、113a、113b、113c ビア
120 第1チップパッケージ
121 基板
122 第1半導体チップ
122P 接続パッド
123 樹脂層
124a 絶縁層
124b 配線層
124c ビア
125 金属層
130a、130b 封止材
140 第2連結部材
141 絶縁層
142 再配線層
143 ビア
132a バックサイド再配線層
133a バックサイドビア
132b フロントサイド再配線層
133b フロントサイドビア
150、155 パッシベーション層
160 アンダーバンプ金属層
170 接続端子
180 第2チップパッケージ
181 第2半導体チップ
182 第1接続部材
183 第1接続端子
190 第3チップパッケージ
191 第3半導体チップ
192 第2連結部材
193 第2接続端子
201、202 粘着フィルム
Claims (16)
- 貫通孔を有する第1連結部材と、
前記第1連結部材の貫通孔に配置され、接続パッドが配置された活性面と前記活性面の反対側に配置された非活性面を有する第1半導体チップが内蔵された第1チップパッケージと、
前記第1連結部材及び前記第1チップパッケージの少なくとも一部を封止する封止材と、
前記封止材上に配置され、前記活性面と向き合う第2連結部材と、
前記第2連結部材上に配置され、第2半導体チップを含む第2チップパッケージと、を含み、
前記第1連結部材及び前記第2連結部材はそれぞれ前記第1半導体チップの接続パッドと電気的に連結される再配線層を含み、
前記第1チップパッケージ及び前記第2チップパッケージは前記第2連結部材を介して電気的に連結される、ファン−アウト半導体パッケージ。 - 前記第1チップパッケージは、前記第1半導体チップと、前記第1半導体チップの少なくとも一部を囲む樹脂層と、前記第1半導体チップの活性面上に配置され、前記第1半導体チップの接続パッドと電気的に連結された配線層と、を含む、請求項1に記載のファン−アウト半導体パッケージ。
- 前記配線層は、前記第1半導体チップのファン−アウト領域まで拡張される、請求項2に記載のファン−アウト半導体パッケージ。
- 前記第1チップパッケージは、キャビティを有する基板をさらに含み、
前記第1半導体チップは前記キャビティに配置される、請求項2または請求項3に記載のファン−アウト半導体パッケージ。 - 前記第1チップパッケージは、前記樹脂層上に配置され、前記第1半導体チップの非活性面と向き合う金属層をさらに含む、請求項2から請求項4の何れか一項に記載のファン−アウト半導体パッケージ。
- 前記封止材上に配置され、前記非活性面と向き合うフロントサイド再配線層と、
前記封止材を貫通し、前記フロントサイド再配線層を前記金属層と電気的に連結させるフロントサイドビアと、をさらに含む、請求項5に記載のファン−アウト半導体パッケージ。 - 前記第1チップパッケージは、前記第1半導体チップの活性面上に配置され、前記配線層が配置される絶縁層をさらに含み、
前記第2連結部材は、前記封止材上に配置され、前記第2連結部材の再配線層が配置される絶縁層をさらに含み、
前記第1チップパッケージの絶縁層は感光性絶縁物質を含み、
前記封止材は非感光性絶縁物質を含み、
前記第2連結部材の絶縁層は感光性絶縁物質を含む、請求項2から請求項6の何れか一項に記載のファン−アウト半導体パッケージ。 - 前記封止材は、前記第1連結部材及び前記第1チップパッケージの上側を覆い、前記貫通孔の壁面と前記第1チップパッケージの側面との間の空間を満たす第1封止材と、前記第1連結部材及び前記第1チップパッケージの下側を覆う第2封止材と、を含む、請求項1から請求項7の何れか一項に記載のファン−アウト半導体パッケージ。
- 前記第1封止材上に配置されたバックサイド再配線層と、
前記第1封止材を貫通し、前記バックサイド再配線層を前記第1チップパッケージ及び前記第1連結部材の再配線層と連結させるバックサイドビアと、をさらに含み、
前記バックサイド再配線層は前記第2連結部材に埋め込まれる、請求項8に記載のファン−アウト半導体パッケージ。 - 前記第2封止材上に配置されたフロントサイド再配線層と、
前記第2封止材を貫通し、前記フロントサイド再配線層を前記第1連結部材の再配線層と電気的に連結させるフロントサイドビアと、をさらに含む、請求項8または請求項9に記載のファン−アウト半導体パッケージ。 - 前記フロントサイド再配線層上に配置され、前記フロントサイド再配線層の少なくとも一部を露出させる第1開口部を有するパッシベーション層と、
前記第1開口部上に配置されたアンダーバンプ金属層と、
前記アンダーバンプ金属層上に配置された接続端子と、をさらに含む、請求項10に記載のファン−アウト半導体パッケージ。 - 前記第2チップパッケージは、前記第2半導体チップが複数個積層された構造である、請求項1から請求項11の何れか一項に記載のファン−アウト半導体パッケージ。
- 前記第1連結部材は、第1絶縁層と、前記封止材と接し、前記第1絶縁層に埋め込まれた第1再配線層と、前記第1絶縁層の前記第1再配線層が埋め込まれた側の反対側上に配置された第2再配線層と、を含む、請求項1から請求項12の何れか一項に記載のファン−アウト半導体パッケージ。
- 前記第1連結部材は、前記第1絶縁層上に配置され、前記第2再配線層を覆う第2絶縁層と、前記第2絶縁層上に配置された第3再配線層と、をさらに含む、請求項13に記載のファン−アウト半導体パッケージ。
- 前記第1連結部材は、第1絶縁層と、前記第1絶縁層の両面に配置された第1再配線層及び第2再配線層と、前記第1絶縁層上に配置され、前記第1再配線層を覆う第2絶縁層と、前記第2絶縁層上に配置された第3再配線層と、を含む、請求項1から請求項14の何れか一項に記載のファン−アウト半導体パッケージ。
- 前記第1連結部材は、前記第1絶縁層上に配置され、前記第2再配線層を覆う第3絶縁層と、前記第3絶縁層上に配置された第4再配線層と、をさらに含む、請求項15に記載のファン−アウト半導体パッケージ。
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