JP2016033967A - 支持体、配線基板及びその製造方法、半導体パッケージの製造方法 - Google Patents
支持体、配線基板及びその製造方法、半導体パッケージの製造方法 Download PDFInfo
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- JP2016033967A JP2016033967A JP2014156617A JP2014156617A JP2016033967A JP 2016033967 A JP2016033967 A JP 2016033967A JP 2014156617 A JP2014156617 A JP 2014156617A JP 2014156617 A JP2014156617 A JP 2014156617A JP 2016033967 A JP2016033967 A JP 2016033967A
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Abstract
【解決手段】本配線基板は、支持体と、前記支持体の一方の側に形成された配線部材と、を有し、前記支持体は、一方の側の最外層及び他方の側の最外層に夫々金属箔が配されるよう、金属箔と樹脂層とを交互に積層して形成され、前記一方の側の最外層となる第1最外金属箔は、厚箔上に前記厚箔よりも薄い薄箔が剥離可能な状態で貼着された構造であり、前記厚箔が前記樹脂層と接し前記薄箔の一方の面が外側になるように配され、前記配線部材は、前記薄箔の一方の面上に配線層と絶縁層とを交互に積層して形成され、前記金属箔の層数と前記配線層の層数とが同一である。
【選択図】図1
Description
[第1の実施の形態に係る配線基板の構造]
まず、第1の実施の形態に係る配線基板の構造について説明する。図1は、第1の実施の形態に係る配線基板を例示する図であり、図1(b)は平面図であり、図1(a)は図1(b)のA−A線に沿う断面図である。
次に、第1の実施の形態に係る配線基板の製造方法について説明する。又、第1の実施の形態に係る配線基板に半導体チップを搭載した半導体パッケージの製造方法について説明する。図2〜図4は、第1の実施の形態に係る配線基板の製造工程を例示する図である。図5及び図6は、第1の実施の形態に係る半導体パッケージの製造工程を例示する図である。
第2の実施の形態では、配線層が3層形成された支持体付き配線基板の例を示す。なお、第2の実施の形態において、既に説明した実施の形態と同一構成部についての説明は省略する場合がある。
まず、第2の実施の形態に係る配線基板の構造について説明する。図7は、第2の実施の形態に係る配線基板を例示する断面図であり、図1(a)に対応する断面を示している。なお、平面図は、図1(b)と同様とすることができる。図7を参照するに、配線基板1Aは、支持体101が支持体103に置換され、配線部材20が配線部材20Aに置換された点が配線基板1と相違する。
次に、第2の実施の形態に係る配線基板の製造方法について説明する。又、第2の実施の形態に係る配線基板に半導体チップを搭載した半導体パッケージの製造方法について説明する。図8及び図9は、第2の実施の形態に係る配線基板の製造工程を例示する図である。図10及び図11は、第2の実施の形態に係る半導体パッケージの製造工程を例示する図である。
第2の実施の形態の変形例では、配線層が3層形成された支持体付き配線基板の他の例を示す。又、第2の実施の形態とは異なる構造の半導体パッケージ(電子部品内蔵基板)を例示する。なお、第2の実施の形態の変形例において、既に説明した実施の形態と同一構成部についての説明は省略する場合がある。
10、10A、101、102、103、104 支持体
10a 支持体10の一方の面
10b 支持体10の他方の面
11、111、112 銅箔
12、121、122 樹脂層
12a、12a1、12a2 プリプレグ
13 キャリア付き銅箔
13a 薄箔
13b 厚箔(キャリア箔)
20、20A、20B 配線部材
21、23、25、82、84、86、88 配線層
21x 凹部
22、24、83、87 絶縁層
22x、24x ビアホール
26、85、89 ソルダーレジスト層
26x、85x、85y、89x 開口部
71、76、78 半導体チップ
72、74 バンプ
73、98 封止樹脂
75 接着層
77 ボンディングワイヤ
79 アンダーフィル樹脂
81 コア層
90 貫通配線
95 はんだボール
95a 銅コアボール
95b はんだ
Claims (10)
- 支持体と、前記支持体の一方の側に形成された配線部材と、を有し、
前記支持体は、一方の側の最外層及び他方の側の最外層に夫々金属箔が配されるよう、金属箔と樹脂層とを交互に積層して形成され、
前記一方の側の最外層となる第1最外金属箔は、厚箔上に前記厚箔よりも薄い薄箔が剥離可能な状態で貼着された構造であり、前記厚箔が前記樹脂層と接し前記薄箔の一方の面が外側になるように配され、
前記配線部材は、前記薄箔の一方の面上に配線層と絶縁層とを交互に積層して形成され、
前記金属箔の層数と前記配線層の層数とが同一である配線基板。 - 前記樹脂層は、第1樹脂層と、第2樹脂層と、を有し、
前記第1最外金属箔は、前記厚箔が前記第1樹脂層と接し前記薄箔の一方の面が外側になるように配され、
前記他方の側の最外層となる第2最外金属箔は、一方の面が前記第2樹脂層と接し他方の面が外側になるように配され、
前記第1樹脂層と前記第2樹脂層との間には他の金属箔が積層されている請求項1記載の配線基板。 - 第2積層体上に第1積層体が接着された支持体であって、
前記第1積層体は、一方の側の最外層及び他方の側の最外層に夫々金属箔が配されるよう、金属箔と樹脂層とを交互に積層して形成され、
前記一方の側の最外層となる第1最外金属箔は、厚箔上に前記厚箔よりも薄い薄箔が剥離可能な状態で貼着された構造であり、前記薄箔の一方の面が露出するように前記樹脂層に埋設され、
前記他方の側の最外層となる第2最外金属箔は、側面が被覆され他方の面が露出するように前記樹脂層に埋設され、
前記第2積層体は、前記第1積層体と同一層構成であって、前記第1積層体とは上下が反転して配され、
前記第1積層体と前記第2積層体の、夫々の前記第2最外金属箔の露出面同士が接し、夫々の前記樹脂層の前記第2最外金属箔の露出面の外周側同士が接着されていることを特徴とする支持体。 - 前記第1積層体及び前記第2積層体の夫々において、
前記樹脂層は、第1樹脂層と、第2樹脂層と、を有し、
前記第1最外金属箔は、前記薄箔の一方の面が露出するように前記第1樹脂層に埋設され、
前記第2最外金属箔は、側面が被覆され他方の面が露出するように前記第2樹脂層に埋設され、
前記第1樹脂層と前記第2樹脂層との間には他の金属箔が積層されていることを特徴とする請求項3記載の支持体。 - 前記他の金属箔の側面の一部及び一方の面は前記第1樹脂層に被覆され、前記他の金属箔の側面の残部及び他方の面は前記第2樹脂層に被覆されていることを特徴とする請求項4記載の支持体。
- 第2積層体上に第1積層体が接着された支持体を作製する支持体作製工程と、
前記第1積層体上に配線層及び絶縁層を交互に積層して第1配線部材を作製すると共に、前記第2積層体上に配線層及び絶縁層を交互に積層して第2配線部材を作製する配線部材作製工程と、
前記第1積層体と前記第2積層体とを切り離し、前記第1積層体上に前記第1配線部材が積層された第1配線基板、及び前記第2積層体上に前記第2配線部材が積層された第2配線基板を作製する分割工程と、を有し、
前記支持体作製工程では、
前記第1積層体は、一方の側の最外層及び他方の側の最外層に夫々金属箔が配されるよう、金属箔と樹脂層とを交互に積層して形成され、
前記一方の側の最外層となる第1最外金属箔は、厚箔上に前記厚箔よりも薄い薄箔が剥離可能な状態で貼着された構造であり、前記薄箔の一方の面が露出するように前記樹脂層に埋設され、
前記他方の側の最外層となる第2最外金属箔は、側面が被覆され他方の面が露出するように前記樹脂層に埋設され、
前記第2積層体は、前記第1積層体と同一層構成であって、前記第1積層体とは上下が反転して配され、
前記第1積層体と前記第2積層体の、夫々の前記第2最外金属箔の露出面同士が接し、夫々の前記樹脂層の前記第2最外金属箔の露出面の外周側同士が接着されている支持体を作製し、
前記配線部材作製工程では、
前記第1積層体を構成する金属箔の層数と前記第1配線部材を構成する前記配線層の層数とが同一となるように、前記第1最外金属箔の前記薄箔上に前記第1配線部材を作製し、
前記第2積層体を構成する金属箔の層数と前記第2配線部材を構成する前記配線層の層数とが同一となるように、前記第2最外金属箔の前記薄箔上に前記第2配線部材を作製し、
前記分割工程では、夫々の前記樹脂層の前記第2最外金属箔の露出面の外周側同士が接着されている部分よりも内側において、前記支持体、前記第1配線部材及び前記第2配線部材を厚さ方向に切断し、前記第1積層体と前記第2積層体とを切り離す配線基板の製造方法。 - 前記支持体作製工程では、
前記第2積層体となる前記第1最外金属箔を前記薄箔を下側に向けて配し、
前記第1最外金属箔の前記厚箔上に、前記第2積層体となる半硬化状態の樹脂層及び前記第2最外金属箔を順次積層し、
更に、前記第1積層体となる前記第2最外金属箔及び半硬化状態の樹脂層を順次積層し、
更に、前記第1積層体となる前記第1最外金属箔を前記薄箔を上側に向けて積層し、
前記半硬化状態の樹脂層を加熱しながら、前記第1積層体となる前記第1最外金属箔を前記第2積層体となる前記第1最外金属箔側に押圧して前記半硬化状態の樹脂層を硬化させ、
前記第1積層体と前記第2積層体の、夫々の前記第2最外金属箔の対向する面同士が接し、夫々の前記樹脂層の前記第2最外金属箔の対向する面の外周側同士が接着されている支持体を作製する請求項6記載の配線基板の製造方法。 - 前記第1積層体及び前記第2積層体の夫々において、
前記樹脂層は、第1樹脂層と、第2樹脂層とを有し、
前記第1最外金属箔は、前記薄箔の一方の面が露出するように前記第1樹脂層に埋設され、
前記第2最外金属箔は、側面が被覆され他方の面が露出するように前記第2樹脂層に埋設され、
前記第1樹脂層と前記第2樹脂層との間には他の金属箔が積層される請求項6又は7記載の配線基板の製造方法。 - 前記他の金属箔の側面の一部及び一方の面は前記第1樹脂層に被覆され、前記他の金属箔の側面の残部及び他方の面は前記第2樹脂層に被覆される請求項8記載の配線基板の製造方法。
- 請求項6乃至9の何れか一項記載の配線基板の製造方法で製造された前記第1配線基板の前記第1配線部材上に、半導体チップ又は半導体チップを備えた他の配線基板を実装する工程と、
前記半導体チップを封止する封止樹脂を形成する工程と、
前記封止樹脂を形成後、前記第1最外金属箔の前記厚箔と前記薄箔との界面を剥離して、前記薄箔を前記第1配線部材側に残し、前記第1積層体を構成する他の部材を除去する工程と、
前記薄箔をエッチングで除去する工程と、を有する半導体パッケージの製造方法。
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US14/810,594 US9997441B2 (en) | 2014-07-31 | 2015-07-28 | Support member, wiring substrate, method for manufacturing wiring substrate, and method for manufacturing semiconductor package |
KR1020150106351A KR102308402B1 (ko) | 2014-07-31 | 2015-07-28 | 지지 부재, 배선 기판, 배선 기판의 제조 방법, 및 반도체 패키지의 제조 방법 |
TW104124483A TWI702702B (zh) | 2014-07-31 | 2015-07-29 | 支撐構件、導線基板、導線基板的製造方法及半導體封裝體的製造方法 |
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JP2017220543A (ja) * | 2016-06-07 | 2017-12-14 | 新光電気工業株式会社 | 配線基板及び半導体装置、並びにそれらの製造方法 |
JP2018195702A (ja) * | 2017-05-17 | 2018-12-06 | 新光電気工業株式会社 | 配線基板及びその製造方法 |
JP2019212845A (ja) * | 2018-06-07 | 2019-12-12 | 新光電気工業株式会社 | 配線基板、配線基板の製造方法及び半導体パッケージの製造方法 |
JP2020004926A (ja) * | 2018-07-02 | 2020-01-09 | 凸版印刷株式会社 | 配線基板及び配線基板の製造方法 |
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US9554468B2 (en) * | 2013-12-19 | 2017-01-24 | Intel Corporation | Panel with releasable core |
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US9522514B2 (en) | 2013-12-19 | 2016-12-20 | Intel Corporation | Substrate or panel with releasable core |
KR101672641B1 (ko) * | 2015-07-01 | 2016-11-03 | 앰코 테크놀로지 코리아 주식회사 | 반도체 디바이스의 제조 방법 및 이에 따른 반도체 디바이스 |
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KR20160016631A (ko) | 2016-02-15 |
TW201618264A (zh) | 2016-05-16 |
JP6358887B2 (ja) | 2018-07-18 |
US20160035661A1 (en) | 2016-02-04 |
US9997441B2 (en) | 2018-06-12 |
TWI702702B (zh) | 2020-08-21 |
KR102308402B1 (ko) | 2021-10-06 |
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