JP5395360B2 - 電子部品内蔵基板の製造方法 - Google Patents
電子部品内蔵基板の製造方法 Download PDFInfo
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- JP5395360B2 JP5395360B2 JP2008042621A JP2008042621A JP5395360B2 JP 5395360 B2 JP5395360 B2 JP 5395360B2 JP 2008042621 A JP2008042621 A JP 2008042621A JP 2008042621 A JP2008042621 A JP 2008042621A JP 5395360 B2 JP5395360 B2 JP 5395360B2
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- insulating layer
- layer
- substrate
- core substrate
- electronic component
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- H05K2201/10643—Disc shaped leadless component
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- 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
- H05K2201/10674—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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/1152—Replicating the surface structure of a sacrificial layer, e.g. for roughening
-
- 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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0017—Etching of the substrate by chemical or physical means
- H05K3/0026—Etching of the substrate by chemical or physical means by laser ablation
- H05K3/0032—Etching of the substrate by chemical or physical means by laser ablation of organic insulating material
- H05K3/0035—Etching of the substrate by chemical or physical means by laser ablation of organic insulating material of blind holes, i.e. having a metal layer at the bottom
-
- 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
- H05K3/02—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
- H05K3/06—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 the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
-
- 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
- H05K3/02—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
- H05K3/06—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 the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/061—Etching masks
-
- 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
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Description
図3〜図5は本発明の第1実施形態の電子部品内蔵基板の製造方法を示す断面図である。本実施形態の電子部内蔵基板の製造方法では、まず、図3(a)に示すように、両面側に第1配線層12がそれぞれ設けられたコア基板10を用意する。コア基板10はガラスクロス入りのエポキシ樹脂などからなり、コア基板10には厚み方向に貫通するスルーホールTHが設けられている。コア基板10のスルーホールTH内には貫通電極14が充填されており、コア基板10の両面側の第1配線層12は貫通電極14を介して相互接続されている。
図6〜図7は本発明の第2実施形態の電子部品内蔵基板の製造方法を示す断面図である。
図8は本発明の第3実施形態の電子部品内蔵基板の製造方法を示す断面図である。
図9及び図10は本発明の第4実施形態の電子部品内蔵基板の製造方法を示す断面図である。第4実施形態の特徴は、第1実施形態において、被実装体の凹部の底部のストッパ金属層をパターニングして電子部品を電気接続するための接続パッドを形成することにある。第4実施形態では、第1実施形態と同一工程についてはその詳しい説明を省略する。
さらに、図10(b)に示すように、下側層間絶縁層20をレーザ加工することにより、接続パッド13の下面に到達する深さの第1ビアホールVH1を形成すると共に、コア基板10の下面側の第1配線層12に到達する深さの第2ビアホールVH2を形成する。
図11は本発明の第5実施形態の電子部品内蔵基板の製造方法を示す断面図である。
図12及び図13は本発明の第6実施形態の電子部品内蔵基板の製造方法を示す断面図である。第6実施形態の特徴は、被実装体の凹部の底部にストッパ金属層の全体を残した状態で電子部品を実装することにある。第6実施形態では、第1実施形態と同一工程についてはその詳しい説明を省略する。
Claims (4)
- 被実装体に設けられた凹部に半導体チップが実装された構造を有する電子部品内蔵基板の製造方法であって、
第1絶縁層と、部品実装領域に対応する部分の前記第1絶縁層の下に形成されたストッパ金属層と、前記ストッパ金属層の下に形成された第2絶縁層とを含む前記被実装体を用意する工程と、
前記ストッパ金属層をストッパにして、前記第1絶縁層の前記部品実装領域に対応する部分を貫通加工して開口部を形成することにより、前記凹部を得る工程と、
前記凹部の底部の前記ストッパ金属層を除去して前記第2絶縁層を露出させる工程と、
前記凹部の底部の前記第2絶縁層の上に、半導体チップをその接続端子を下側にした状態で、接着剤で接着すると共に、前記半導体チップの側面と前記開口部の側面との隙間を前記接着剤で埋め込む工程と、
前記半導体チップ及び前記第1絶縁層の上に第3絶縁層を形成する工程と、
前記第2絶縁層及び前記接着剤に、前記半導体チップの接続端子に到達する第1ビアホールを形成する工程と、
前記第2絶縁層の上に、前記第1ビアホールを介して前記半導体チップの接続端子に接続される第2配線層を形成する工程とを有することを特徴とする電子部品内蔵基板の製造方法。 - 前記第1絶縁層は、両面側に貫通電極を介して相互接続された第1配線層がそれぞれ設けられたコア基板であり、前記ストッパ金属層は前記コア基板の下面側の前記第1配線層と同一層から形成されることを特徴とする請求項1に記載の電子部品内蔵基板の製造方法。
- 前記第1ビアホールを形成する工程において、前記第2絶縁層及び第3絶縁層に、前記第1絶縁層の両面側の前記第1配線層に到達する第2ビアホールをそれぞれ形成し、
前記第2配線層は、前記第2ビアホールを介して前記第1配線層に接続されることを特徴とする請求項2に記載の電子部品内蔵基板の製造方法。 - 前記第1絶縁層を貫通加工して凹部を得る工程において、前記第1絶縁層は、レーザ又はエッチングにより加工されることを特徴とする請求項1乃至3のいずれか一項に記載の電子部品内蔵基板の製造方法。
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JP2005302854A (ja) | 2004-04-08 | 2005-10-27 | Fujikura Ltd | 部品内蔵両面基板、部品内蔵両面配線板およびその製造方法 |
JP2006019441A (ja) * | 2004-06-30 | 2006-01-19 | Shinko Electric Ind Co Ltd | 電子部品内蔵基板の製造方法 |
KR100645643B1 (ko) * | 2004-07-14 | 2006-11-15 | 삼성전기주식회사 | 수동소자칩 내장형의 인쇄회로기판의 제조방법 |
TWI301739B (en) * | 2004-12-03 | 2008-10-01 | Via Tech Inc | Structure and method for embedded passive component assembly |
KR100700922B1 (ko) | 2005-10-17 | 2007-03-28 | 삼성전기주식회사 | 수동 소자를 내장한 기판 및 그 제조 방법 |
JP4673207B2 (ja) * | 2005-12-16 | 2011-04-20 | イビデン株式会社 | 多層プリント配線板およびその製造方法 |
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