JP4619223B2 - 半導体パッケージ及びその製造方法 - Google Patents
半導体パッケージ及びその製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 288
- 238000004519 manufacturing process Methods 0.000 title description 60
- 239000010410 layer Substances 0.000 claims description 340
- 239000011347 resin Substances 0.000 claims description 139
- 229920005989 resin Polymers 0.000 claims description 139
- 229910052751 metal Inorganic materials 0.000 claims description 136
- 239000002184 metal Substances 0.000 claims description 136
- 229910000679 solder Inorganic materials 0.000 claims description 99
- 239000004020 conductor Substances 0.000 claims description 39
- 239000000758 substrate Substances 0.000 claims description 14
- 239000011229 interlayer Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 58
- 238000007747 plating Methods 0.000 description 46
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 38
- 238000005530 etching Methods 0.000 description 34
- 239000010931 gold Substances 0.000 description 34
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 23
- 229910052737 gold Inorganic materials 0.000 description 18
- 230000004048 modification Effects 0.000 description 16
- 238000012986 modification Methods 0.000 description 16
- 238000007789 sealing Methods 0.000 description 16
- 239000010949 copper Substances 0.000 description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 12
- 229910052759 nickel Inorganic materials 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 7
- 238000010030 laminating Methods 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 238000009713 electroplating Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- 239000009719 polyimide resin Substances 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 4
- 238000007650 screen-printing Methods 0.000 description 4
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- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- CNIIGCLFLJGOGP-UHFFFAOYSA-N 2-(1-naphthalenylmethyl)-4,5-dihydro-1H-imidazole Chemical compound C=1C=CC2=CC=CC=C2C=1CC1=NCCN1 CNIIGCLFLJGOGP-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
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- 238000007772 electroless plating Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 238000007639 printing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
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- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
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- H01L2224/161—Disposition
- H01L2224/16151—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
- 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
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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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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H05K2201/03—Conductive materials
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Description
また、本発明によると、半導体パッケージの製造方法であって、支持体の表面にソルダレジスト層を形成する工程と、該ソルダレジスト層上から支持体の表面に凹部を形成する工程と、前記支持体の凹部の内部表面に金属層を形成する工程と、該金属層を形成した前記凹部の内部に絶縁樹脂を充填すると共に、前記ソルダレジスト層の表面を該絶縁樹脂で覆う工程と、前記凹部の内部表面及び該内部表面に隣接してソルダレジスト層の表面の一部に延びた延在部にのみ金属層を形成する工程と、該金属層を形成した前記凹部の内部及び前記支持体の表面を絶縁樹脂で覆う工程と、前記支持体の延在部上の絶縁樹脂に、前記延在部上の金属層が露出するビア孔を形成する工程と、該ビア孔に導体ビアを形成する工程と、前記絶縁樹脂の上に1層ないし多層の絶縁樹脂層及び配線層を、該配線層が前記導体ビアに電気的に接続するように、形成する工程と、最上面の絶縁樹脂層上に、前記配線層を介して前記導体ビアに接続する端子を形成する工程と、前記支持体を除去し、該パッケージの最下面に、内部は該最下面を形成する絶縁樹脂層の樹脂で充填され且つ表面は金属層で覆われたバンプを露出させる工程と、を含むことを特徴とする半導体パッケージの製造方法が提供される。
前記支持体を除去し、該支持体の両面に形成されたパッケージを分離すると共に、該パッケージの最下面に、内部は該最下面を形成する絶縁樹脂層の樹脂で充填され且つ表面は金属層で覆われたバンプを突出させる工程と、を含むことを特徴とする半導体パッケージの製造方法が提供される。
12 突出バンプ
14 絶縁樹脂
16 金属層
18 ランド、パッド(端子)
20 配線基板
22 絶縁樹脂層
24 配線層
25 ソルダレジスト
26 層間接続ビア
26a、26b バンプ内導体ビア
28 ソルダレジスト層
30 半導体素子
40 支持体
42 フォトレジスト層
44 開口(凹)部
Claims (10)
- 第1の面及び該第1の面とは反対側に第2の面を有し、絶縁樹脂層と配線層とが複数層積層された基板と、
該基板の前記第1の面上に形成された半導体素子搭載用の第1の端子と、
該基板の前記第2の面上に形成された外部接続用の第2の端子と、
前記第1の端子と第2の端子との間を電気的に接続する配線層間ビアを含む導体ビアと、を具備してなり、
前記第1及び第2の端子の少なくとも一方は、前記第1又は第2の面を形成する絶縁樹脂層の樹脂を第1又は第2の面から突出させてバンプとして構成され、該バンプの内部は絶縁樹脂で充填され、表面は金属層で覆われてなり、
前記バンプの内部に、該バンプを充填している絶縁樹脂中を貫通し且つバンプ表面の前記金属層を露出する孔が形成され、該孔に導体ビアを設けて前記金属層に接続したことを特徴とする半導体パッケージ。 - 半導体素子搭載用の第1の端子は、パッドとして構成され、外部接続用の第2の端子が該第2の面から突出したバンプとして構成されていることを特徴とする請求項1に記載の半導体パッケージ。
- 前記第1の面はソルダレジスト層により覆われており、前記パッドは少なくとも一部が該ソルダレジスト層から露出するように構成されていることを特徴とする請求項2に記載の半導体パッケージ。
- 前記第2の面はソルダレジスト層により覆われており、前記バンプは該ソルダレジスト層から突出していることを特徴とする請求項2又は3に記載の半導体パッケージ。
- 半導体素子搭載用の第1の端子が、前記第1の面から突出したバンプとして構成され、外部接続用の第2の端子がパッドとして構成されることを特徴とする請求項1に記載の半導体パッケージ。
- 前記第2の面はソルダレジスト層により覆われており、前記パッドは少なくとも一部が該ソルダレジスト層から露出するように構成されていることを特徴とする請求項5に記載の半導体パッケージ。
- 前記第1の面はソルダレジスト層により覆われており、前記バンプは該ソルダレジスト層から突出していることを特徴とする請求項5又は6に記載の半導体パッケージ。
- 前記バンプの表面を覆っている金属層は、表面からAu/Ni;Au/Ni/Cu;Au/Pd/Ni;Au/Pd/Ni/Pd;Au/Pd/Ni/Pd/Cu;Au/Pd/Ni/Cuのいずれかの組み合わせからなることを特徴とする請求項1〜7のいずれか1項に記載の半導体パッケージ。
- 請求項1〜4及び8のいずれか1項に記載の半導体パッケージの前記第1の面上に、パッドで構成される前記第1の端子に電気的に接続されるように半導体素子を搭載したことを特徴とする半導体装置。
- 請求項1及び5〜8のいずれか1項に記載の半導体パッケージの前記第1の面上に、バンプで構成される前記第1の端子に電気的に接続されるように半導体素子を搭載したことを特徴とする半導体装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005214904A JP4619223B2 (ja) | 2004-12-16 | 2005-07-25 | 半導体パッケージ及びその製造方法 |
TW94144023A TWI471956B (zh) | 2004-12-16 | 2005-12-13 | 半導體封裝與製造方法 |
US11/304,868 US7838982B2 (en) | 2004-12-16 | 2005-12-14 | Semiconductor package having connecting bumps |
KR1020050123782A KR101168263B1 (ko) | 2004-12-16 | 2005-12-15 | 반도체 패키지 및 그 제조 방법 |
CN2005101345698A CN1832152B (zh) | 2004-12-16 | 2005-12-16 | 半导体封装及制造方法 |
US12/905,540 US8530351B2 (en) | 2004-12-16 | 2010-10-15 | Semiconductor package and fabrication method |
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JP2006196860A (ja) | 2006-07-27 |
CN1832152B (zh) | 2010-05-26 |
US20060131730A1 (en) | 2006-06-22 |
US20110034022A1 (en) | 2011-02-10 |
TWI471956B (zh) | 2015-02-01 |
US7838982B2 (en) | 2010-11-23 |
US8530351B2 (en) | 2013-09-10 |
KR20060069293A (ko) | 2006-06-21 |
CN1832152A (zh) | 2006-09-13 |
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KR101168263B1 (ko) | 2012-07-30 |
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