JP2010153767A - 配線板及びその製造方法 - Google Patents
配線板及びその製造方法 Download PDFInfo
- Publication number
- JP2010153767A JP2010153767A JP2009108363A JP2009108363A JP2010153767A JP 2010153767 A JP2010153767 A JP 2010153767A JP 2009108363 A JP2009108363 A JP 2009108363A JP 2009108363 A JP2009108363 A JP 2009108363A JP 2010153767 A JP2010153767 A JP 2010153767A
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- electronic component
- wiring board
- via hole
- substrate
- conductor pattern
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- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
- H05K3/025—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates by transfer of thin metal foil formed on a temporary carrier, e.g. peel-apart copper
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Abstract
【解決手段】配線板が、導体パターン110と、導体パターン110にバイアホール201a、202aを介して接続された電子部品200と、内部に電子部品200が配置された基板と、を備える。そして、バイアホール201a、202aと電子部品200との接続界面は、バイアホール201a、202aと導体パターン110との接続界面に対して傾斜している。また、電子部品200は、湾曲面を有する。また、バイアホール201a、202aは、電子部品200の湾曲面に接続される。また、電子部品200の湾曲面は、その中央部が両端部よりも、導体パターン110に向かって突き出るように又は引っ込むように湾曲する。
【選択図】図4
Description
本実施形態の電子部品内蔵配線板10は、図1に示すように、基板100と、導体パターンとしての配線層110及び120と、電子部品200と、を備える。
なお、基板100の形状や材料等は、用途等に応じて変更可能である。例えばプリプレグとしては、ガラス繊維やアラミド繊維の基材に、エポキシ樹脂、ビスマレイミドトリアジン樹脂(BT樹脂)、イミド樹脂(ポリイミド)、アリル化フェニレンエーテル樹脂(A−PPE樹脂)などの樹脂を含浸させたものも用いることができる。また、プリプレグに代えて、液状又はフィルム状の熱硬化性樹脂や熱可塑性樹脂を用いることができる。熱硬化性樹脂としては、例えばエポキシ樹脂、イミド樹脂(ポリイミド)、BT樹脂、アリル化フェニレンエーテル樹脂、アラミド樹脂などを、用いることができる。また、熱可塑性樹脂としては、例えば液晶ポリマー(LCP)、PEEK樹脂、PTFE樹脂(フッ素樹脂)などを、用いることができる。これらは、絶縁性、誘電特性、耐熱性、機械的特性の観点から必要に応じて選ぶことが望ましい。また、これらの樹脂は、添加剤として、硬化剤、安定剤、フィラーなどを含有させることもできる。その他、プリプレグに代えて、RCF(Resin Coated copper Foil)等を用いてもよい。
本実施形態の電子部品内蔵配線板20は、図11Aに示すように、基板300と、導体パターンとしての配線層310及び320と、電子部品400と、を備える。電子部品内蔵配線板20は、電子部品400を内蔵する。電子部品400は、所定の回路が集積されたICチップである。電子部品400は、片面に複数の端子電極400a(電極パッド)を有する。ただしこれに限定されず、電子部品400は、例えば両面に端子電極400aを有するものであってもよい。なお、ここでいうICチップは、ウエハの状態で、再配線や保護膜、端子の形成を行い、その後個片化した所謂ウエハ・レベルCSPを含む。
100、300 基板
101、102 絶縁層
102a 樹脂
110、120、310、320 配線層
111、121 第1配線層(導体パターン)
112、122 第2配線層(導体パターン)
200 電子部品(チップコンデンサ)
200a 接着剤
201 コンデンサ本体
201a、202a、410a、420a バイアホール
210、220、400a 端子電極(電極パッド)
210a、220a 貫通孔
210b、220b、410b、420b 導体
211〜214、221〜224 導体層
231〜239 誘電層
400 電子部品(ICチップ)
410、420 絶縁層
Claims (13)
- 導体パターンと、
前記導体パターンにバイアホールを介して接続された電子部品と、
内部に前記電子部品が配置された基板と、
を備え、
前記バイアホールと前記電子部品との接続界面は、前記バイアホールと前記導体パターンとの接続界面に対して傾斜している、
ことを特徴とする配線板。 - 前記導体パターンは、前記基板に設けられている、
ことを特徴とする請求項1に記載の配線板。 - 前記電子部品は湾曲面を有し、
前記バイアホールは、前記電子部品の前記湾曲面に接続されている、
ことを特徴とする請求項1に記載の配線板。 - 前記湾曲面は、その中央部が両端部よりも、前記導体パターンに対して突き出るように又は引っ込むように湾曲している、
ことを特徴とする請求項3に記載の配線板。 - 前記電子部品を固定するための接着剤層を更に備え、
前記バイアホールは、前記接着剤層に形成されている、
ことを特徴とする請求項1に記載の配線板。 - 前記導体パターンは、めっき被膜からなる、
ことを特徴とする請求項1に記載の配線板。 - 前記電子部品は、コンデンサである、
ことを特徴とする請求項1に記載の配線板。 - 前記コンデンサは、複数の誘電層と複数の導体層とが交互に積層されたコンデンサ本体と、前記コンデンサ本体に形成された1組の電極と、
を備えることを特徴とする請求項7に記載の配線板。 - 内部に電子部品が配置された基板と、
前記基板に積層形成された複数の導体パターン及び複数の絶縁層と、
前記複数の導体パターンのうちのいずれかの導体パターンにバイアホールを介して接続された電子部品と、
を備え、
前記バイアホールと前記電子部品との接続界面は、前記バイアホールと前記導体パターンとの接続界面に対して傾斜している、
ことを特徴とする配線板。 - 基板内部に、湾曲する電子部品を収容する第1の工程と、
前記電子部品の湾曲面に接続されるバイアホールを形成する第2の工程と、
前記バイアホールを介して前記電子部品に接続される導体パターンを形成する第3の工程と、
を含むことを特徴とする配線板の製造方法。 - 前記第2の工程よりも前に、前記基板に作用する応力に基づいて、前記バイアホールの配置を決める配置決定工程を含み、
前記第2の工程は、前記配置決定工程により決められた配置に従って、前記バイアホールを形成する、
ことを特徴とする請求項10に記載の配線板の製造方法。 - 前記配置決定工程では、前記基板に作用する応力に基づいて、前記電子部品の前記バイアホールが接続される面を決定する、
ことを特徴とする請求項11に記載の配線板の製造方法。 - 前記第3の工程は、前記導体パターンを、めっき被膜として形成する、
ことを特徴とする請求項10に記載の配線板の製造方法。
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