JP2007150123A - 配線基板内蔵用キャパシタ、キャパシタ内蔵配線基板及びその製造方法 - Google Patents
配線基板内蔵用キャパシタ、キャパシタ内蔵配線基板及びその製造方法 Download PDFInfo
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- JP2007150123A JP2007150123A JP2005344925A JP2005344925A JP2007150123A JP 2007150123 A JP2007150123 A JP 2007150123A JP 2005344925 A JP2005344925 A JP 2005344925A JP 2005344925 A JP2005344925 A JP 2005344925A JP 2007150123 A JP2007150123 A JP 2007150123A
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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
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10674—Flip chip
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10712—Via grid array, e.g. via grid array capacitor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4602—Manufacturing multilayer circuits characterized by a special circuit board as base or central core whereon additional circuit layers are built or additional circuit boards are laminated
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- Geometry (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Ceramic Capacitors (AREA)
Abstract
【解決手段】本発明の配線基板内蔵用キャパシタ101は、誘電体層105と電極層141,142とを備えるとともに、第1主面102及び第2主面103にて開口する穴部161を有する。配線基板内蔵用キャパシタ101は、第2主面103側をコア基板11側に向けた状態で積層部31に内蔵される。なお、配線基板内蔵用キャパシタ101を層間絶縁層33上に配置する際、層間絶縁層35の一部が穴部161内に入り込むため、配線基板内蔵用キャパシタ101の平面方向への位置ずれを防止できる。
【選択図】図1
Description
[第2実施形態]
11…コア基板
31…積層部としてのビルドアップ層
33,35,37,39,202,203,204,205,206,207…層間絶縁層としての樹脂絶縁層
42…導体層
51…層間絶縁層の一部
101,211…配線基板内蔵用キャパシタ(キャパシタ)
102,212…第1主面としての上面
103,213…第2主面としての下面
104…キャパシタ本体
105,214…誘電体層としてのセラミック誘電体層
130…ビアホール
131…ビア導体としての第1ビア導体
132…ビア導体としての第2ビア導体
141…電極層及び内部電極層としての第1内部電極層
142…電極層及び内部電極層としての第2内部電極層
161…穴部
215…電極層
216…補強用金属層
Claims (9)
- 第1主面及び第2主面を有するチップ状であって、誘電体層とその誘電体層上に積層配置される電極層とを備え、少なくとも前記第2主面にて開口する穴部が形成され、層間絶縁層及び導体層をコア基板上にて交互に積層した積層部に、前記第2主面側を前記コア基板側に向けた状態で内蔵されうる
ことを特徴とする配線基板内蔵用キャパシタ。 - 前記キャパシタは、前記誘電体層と内部電極層とが交互に積層配置された構造のキャパシタ本体を有するとともに、前記内部電極層同士を導通する複数のビア導体が内部に配置される複数のビアホールが全体としてアレイ状に形成されたビアアレイタイプのキャパシタであることを特徴とする請求項1に記載の配線基板内蔵用キャパシタ。
- 前記キャパシタは、前記誘電体層の厚さよりも厚くて、前記誘電体層を支持する補強用金属層をさらに備えることを特徴とする請求項1に記載の配線基板内蔵用キャパシタ。
- 前記穴部は、前記第1主面及び前記第2主面の両方にて開口する貫通孔であることを特徴とする請求項1乃至3のいずれか1項に記載の配線基板内蔵用キャパシタ。
- 前記穴部は、前記キャパシタの外周に沿って複数配置されていることを特徴とする請求項1乃至4のいずれか1項に記載の配線基板内蔵用キャパシタ。
- 前記穴部の直径は、前記ビアホールの直径と同等、または、前記ビアホールの直径よりも小さいことを特徴とする請求項2、4または5に記載の配線基板内蔵用キャパシタ。
- 前記キャパシタ全体の厚さは10μm以上200μm以下であることを特徴とする請求項1乃至6のいずれか1項に記載の配線基板内蔵用キャパシタ。
- 請求項1乃至7のいずれか1項に記載の配線基板内蔵用キャパシタを有することを特徴とするキャパシタ内蔵配線基板。
- 請求項1乃至7のいずれか1項に記載の配線基板内蔵用キャパシタを準備する準備工程と、
層間絶縁層及び導体層をコア基板上にて交互に積層した積層部を構成する予定の前記層間絶縁層上に、前記キャパシタを前記第2主面側を向けた状態で載置することにより、前記穴部内に前記層間絶縁層の一部を入り込ませる載置工程と
前記載置工程後、前記キャパシタ上に別の層間絶縁層を積層して前記キャパシタを前記積層部内に封入する封入工程と
を含むことを特徴とするキャパシタ内蔵配線基板の製造方法。
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JP2005344925A JP5089880B2 (ja) | 2005-11-30 | 2005-11-30 | 配線基板内蔵用キャパシタ、キャパシタ内蔵配線基板及びその製造方法 |
US11/601,760 US7532453B2 (en) | 2005-11-30 | 2006-11-20 | Built-in capacitor type wiring board and method for manufacturing the same |
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JP2005344925A JP5089880B2 (ja) | 2005-11-30 | 2005-11-30 | 配線基板内蔵用キャパシタ、キャパシタ内蔵配線基板及びその製造方法 |
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US20070121273A1 (en) | 2007-05-31 |
US7532453B2 (en) | 2009-05-12 |
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