WO2011132463A1 - プリント基板の製造方法及びこれを用いたプリント基板 - Google Patents
プリント基板の製造方法及びこれを用いたプリント基板 Download PDFInfo
- Publication number
- WO2011132463A1 WO2011132463A1 PCT/JP2011/054724 JP2011054724W WO2011132463A1 WO 2011132463 A1 WO2011132463 A1 WO 2011132463A1 JP 2011054724 W JP2011054724 W JP 2011054724W WO 2011132463 A1 WO2011132463 A1 WO 2011132463A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pattern
- layer
- mask layer
- plating
- circuit board
- Prior art date
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Classifications
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
- H05K3/205—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using a pattern electroplated or electroformed on a metallic carrier
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
-
- 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
- H05K3/22—Secondary treatment of printed circuits
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0364—Conductor shape
- H05K2201/0376—Flush conductors, i.e. flush with the surface of the printed circuit
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/098—Special shape of the cross-section of conductors, e.g. very thick plated conductors
-
- 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
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0147—Carriers and holders
- H05K2203/0152—Temporary metallic carrier, e.g. for transferring material
-
- 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
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/025—Abrading, e.g. grinding or sand blasting
-
- 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
- H05K2203/15—Position of the PCB during processing
- H05K2203/1572—Processing both sides of a PCB by the same process; Providing a similar arrangement of components on both sides; Making interlayer connections from two sides
-
- 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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
Definitions
- the present invention relates to a printed circuit board manufacturing method using a transfer method and a printed circuit board using the same.
- a transfer method in which a substrate is formed by embedding a pattern in an insulating base material (see, for example, Patent Document 2).
- This transfer method includes a step of pressure-bonding a pattern formed by plating and an insulating resin.
- the cross-sectional shape of the plating as a pattern is complicated, so the electrical characteristics can be predicted. It becomes difficult and handling becomes worse. In order to prevent outgrowth, the resist may be raised. However, when thick copper plating is performed, it may be difficult to form a resist of that height.
- the present invention can stabilize the electrical characteristics even when outgrowth occurs, improve the planarization of the substrate surface, and even when a thick copper pattern is formed.
- a printed circuit board manufacturing method that eliminates the need for a resist having a height corresponding to the above and a printed circuit board using the same.
- a metal layer is formed on a support plate, a resist layer is formed on the metal layer, and the resist layer in the exposed region is formed with a groove to be a conductive pattern as an exposed region.
- pattern plating is performed by performing plating treatment on the exposed area, a pattern portion plated to the height of the mask layer as seen in the cross section of the groove, and the height of the mask layer
- a conductive circuit comprising a pattern plate including an elevated portion that is raised and plated, and a part of the umbrella layer having an outgrowth protruding on the surface of the mask layer, and comprising the support plate, the metal layer, and the pattern plating.
- the insulating base material is laminated on a plate to form a substrate intermediate in which the pattern plating is embedded in the insulating base material, and the support plate and the metal layer are removed from the substrate intermediate to remove the conductive material.
- the mask layer is removed after the plating process.
- the mask layer remains as a part of the conductive circuit board during the lamination.
- the printed circuit board manufactured with the manufacturing method of the printed circuit board of Claim 1 is provided.
- the pattern exposed surface is mechanically polished and flattened to a position where the outgrowth is exposed while removing the handle portion, so that the coverage with the solder resist in the subsequent process is improved, and Component mounting can also be performed stably. Further, even if outgrowth occurs, the mechanical characteristics do not complicate the cross-sectional shape of the pattern plating, so that the electrical characteristics are stabilized. Further, even when thick copper pattern plating is formed, a resist layer (mask layer) having a height corresponding to this is not required, and the thickness of thick copper can be set freely.
- the portion of the mask layer sandwiched between the outgrowth and the metal layer is generally difficult for the peeling solution to reach, so even if a portion of the mask layer remains, the remaining mask layer is mechanically removed. It can be reliably removed by smooth polishing. Therefore, it is possible to reliably prevent a phenomenon in which a part of the remaining mask layer peels off after lamination and becomes a so-called void (resin defect).
- the mask layer is a so-called permanent resist
- the mask layer is reliably removed together with the handle by mechanical polishing. Accordingly, it is possible to prevent peeling between the mask layer and the plating and affecting the quality.
- a printed circuit board having the above effects can be obtained.
- a metal layer 2 is formed on a support plate 1, and a resist layer 3 is formed thereon.
- the support plate 1 is formed of a conductive SUS plate or the like as a transfer substrate.
- the metal layer 2 is a base plating.
- the support plate 1 is subjected to 12 ⁇ m electrolytic copper plating.
- the resist layer 3 is formed of a dry film or the like.
- the resist layer 3 at a predetermined position is removed by using an exposure developing device or the like (not shown) to form a mask layer 4.
- the resist layer 3 is removed so that a portion (groove) to be a conductive pattern is an exposed area 5 so that the surface of the metal layer 2 in the exposed area 5 is exposed. Therefore, a mask layer 4 and an exposed area 5 are formed on the surface of the metal layer 2.
- the exposed area 5 is plated. That is, the pattern plating 6 is disposed in the exposed area 5.
- the pattern plating 6 has a handle portion 7 and an umbrella portion 8 as seen in the cross section of the groove described above.
- the handle 7 is a portion plated up to the height of the mask layer 4.
- the umbrella portion 8 is a portion plated beyond the height of the mask layer 4. Since the pattern plating 6 is formed higher than the mask layer 4 in this way, the umbrella portion 8 extends to the surface of the mask layer 4.
- a portion formed on the surface of the mask layer 4 is an outgrowth 8a. Therefore, the outgrowth 8 a forms a part of the umbrella portion 8.
- the mask layer 4 is removed with a stripping solution or the like.
- the conductive circuit board 9 is formed. That is, the conductive circuit board 9 is formed of the support plate 1, the metal layer 2, and the pattern plating 6. However, as will be described later, when a permanent resist is used as the mask layer 3, the mask layer 3 is also an element for forming the conductive circuit board 9.
- the conductive circuit board 9 and the insulating base material 10 are prepared, and these are pressure-contacted as shown in FIG.
- the insulating substrate 10 enters between the pattern platings 6 and between the outgrowth 8 a and the metal layer 2. Therefore, the pattern plating 6 is embedded in the insulating base material 10.
- the conductive circuit board 9 is disposed only on one side of the insulating base material 10 and laminated.
- the double-sided plate and the single-sided plate thus formed can also be used as the intermediate layer and the outermost layer of the multilayer plate.
- the support plate 1 and the metal layer 2 are removed from the substrate intermediate 13. Thereby, the conductive pattern 11 and the insulating base material 10 are exposed, and the exposed surface 14 is formed.
- the conductive pattern 11 is an exposed surface of the handle portion 7.
- the exposed surface 14 (both surfaces in the figure) is mechanically polished and flattened. Thereby, the coverage with the solder resist in the subsequent steps is improved, and the component mounting can be performed stably.
- the physical polishing (mechanical polishing) is performed up to a position where the outgrowth 8a is exposed so as to remove all the handle portion 7. Thereby, the line width of the conductive pattern 11 is increased because the outgrowth 8a is exposed.
- the outgrowth 8a occurs, the cross-sectional shape of the pattern plating 6 is not complicated by mechanical polishing, so that the electrical characteristics of the manufactured printed circuit board 12 are stabilized.
- the outgrowth 8a is intentionally provided, even when the thick copper pattern plating 6 is formed, the resist layer 3 (mask layer 4) having a height corresponding to the thick copper plating 6 is not required.
- the copper height can be set freely.
- wet polishing using a non-woven buffol wet polishing using a ceramic buffol, wet polishing using a polishing belt (so-called belt sander), or the like can be applied.
- the mask layer 4 is removed after the plating process.
- the part of the mask layer 4 sandwiched between the outgrowth 8a and the metal layer 2 is generally difficult for the stripping solution to reach. For this reason, a part of the mask layer 4 may remain in the portion, but the remaining mask layer 4 can be surely removed by the mechanical polishing described above. Therefore, it is possible to reliably prevent a phenomenon in which a part of the remaining mask layer 4 is peeled off after lamination and becomes a so-called void (resin defect).
- a permanent resist may be used as the mask layer 4 and may be left as a part of the conductive circuit board 9 when laminated with the insulating base material 10. Even in such a case, the remaining mask layer 4 is reliably removed together with the handle 7 by mechanical polishing. Therefore, it can prevent that peeling arises between the mask layer 4 and the pattern plating 6, and quality is influenced.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
Description
また、本発明では、請求項1の発明において、前記マスク層は、前記積層時に前記導電回路板の一部としてそのまま残っていることを特徴としている。
また、本発明では、請求項1に記載のプリント基板の製造方法で製造されたプリント基板を提供する。
本発明によれば、上記効果を有するプリント基板を得ることができる。
2 金属層
3 レジスト層
4 マスク層
5 露出域
6 パターンめっき
7 柄部
8 傘部
8a アウトグロース
9 導電回路板
10 絶縁基材
11 パターン
12 プリント基板
13 基板中間体
14 露出面
Claims (4)
- 支持板上に金属層を形成し、
該金属層上にレジスト層を形成し、
導電パターンとなるべき溝を露出域として該露出域の前記レジスト層が除去されたマスク層を形成し、
前記露出域にめっき処理を施してパターンめっきを形成するに際し、前記溝の横断面でみて前記マスク層高さまでめっきされた柄部と、前記マスク層高さよりも高く盛り上げてめっきされ、一部が前記マスク層の表面にはみ出したアウトグロースを有する傘部とを含むパターンめっきを形成し、
前記支持板、前記金属層及び前記パターンめっきの三者からなる導電回路板に前記絶縁基材を積層して前記パターンめっきが前記絶縁基材に埋設された基板中間体を形成し、
前記基板中間体から前記支持板及び前記金属層を除去して前記導電パターン及び前記絶縁基材が露出する露出面を形成し、
前記露出面を前記パターンめっきの前記柄部が除去されるまで機械的に研磨し、前記露出面上での前記導電パターンの線幅を前記溝幅よりも増大させることを特徴とするプリント基板の製造方法。 - 前記マスク層は、前記めっき処理の後に除去されることを特徴とする請求項1に記載のプリント基板の製造方法。
- 前記マスク層は、前記積層時に前記導電回路体の一部としてそのまま残っていることを特徴とする請求項1に記載のプリント基板の製造方法。
- 請求項1に記載のプリント基板の製造方法で製造されたプリント基板。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11771803.1A EP2563105B1 (en) | 2010-04-23 | 2011-03-02 | Printed substrate manufacturing method and printed substrate employing same |
KR1020127026339A KR101352819B1 (ko) | 2010-04-23 | 2011-03-02 | 프린트 기판의 제조 방법 및 이것을 이용한 프린트 기판 |
CN201180020204.6A CN102870510B (zh) | 2010-04-23 | 2011-03-02 | 印刷基板的制造方法 |
US13/642,471 US9185811B2 (en) | 2010-04-23 | 2011-03-02 | Method of producing printed circuit board, and printed board produced by the method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-099519 | 2010-04-23 | ||
JP2010099519A JP4896247B2 (ja) | 2010-04-23 | 2010-04-23 | プリント基板の製造方法及びこれを用いたプリント基板 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011132463A1 true WO2011132463A1 (ja) | 2011-10-27 |
Family
ID=44834002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/054724 WO2011132463A1 (ja) | 2010-04-23 | 2011-03-02 | プリント基板の製造方法及びこれを用いたプリント基板 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9185811B2 (ja) |
EP (1) | EP2563105B1 (ja) |
JP (1) | JP4896247B2 (ja) |
KR (1) | KR101352819B1 (ja) |
CN (1) | CN102870510B (ja) |
TW (1) | TWI422297B (ja) |
WO (1) | WO2011132463A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4896247B2 (ja) * | 2010-04-23 | 2012-03-14 | 株式会社メイコー | プリント基板の製造方法及びこれを用いたプリント基板 |
WO2014119178A1 (ja) * | 2013-01-30 | 2014-08-07 | 京セラ株式会社 | 実装構造体の製造方法 |
TWI517775B (zh) * | 2014-03-06 | 2016-01-11 | 相互股份有限公司 | 印刷電路板及其製法 |
TWI566309B (zh) * | 2016-01-08 | 2017-01-11 | 恆勁科技股份有限公司 | 封裝基板之製作方法 |
CN108401361B (zh) * | 2017-02-04 | 2020-08-07 | 欣兴电子股份有限公司 | 电路板与其制作方法 |
US10512165B2 (en) | 2017-03-23 | 2019-12-17 | Unimicron Technology Corp. | Method for manufacturing a circuit board |
CN108958876B (zh) * | 2018-07-23 | 2022-02-01 | 郑州云海信息技术有限公司 | 浏览器页面的显示方法和装置 |
CN112165773B (zh) * | 2020-10-07 | 2022-10-11 | 广州添利电子科技有限公司 | 一种埋线路的方式制作图形的工艺 |
WO2024215553A1 (en) * | 2023-04-08 | 2024-10-17 | Lam Research Corporation | Patterned print heads and resistive anodes for electrodeposition thickness distribution control |
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JPH0537157A (ja) | 1991-07-31 | 1993-02-12 | Sony Corp | 多層プリント基板の製造方法 |
JPH05217755A (ja) | 1992-02-05 | 1993-08-27 | Tokai Rubber Ind Ltd | パターンめっき成形品の製造方法 |
JPH08181415A (ja) * | 1994-12-27 | 1996-07-12 | Tokai Rubber Ind Ltd | 窓開き回路基板の製法 |
JP2007250925A (ja) * | 2006-03-17 | 2007-09-27 | Ricoh Co Ltd | 配線構造体及びその製造方法 |
JP2008098563A (ja) * | 2006-10-16 | 2008-04-24 | Seiko Epson Corp | 素子基板およびその製造方法 |
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JP4697156B2 (ja) * | 2007-02-28 | 2011-06-08 | トヨタ自動車株式会社 | 回路基板の製造方法 |
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JP4896247B2 (ja) * | 2010-04-23 | 2012-03-14 | 株式会社メイコー | プリント基板の製造方法及びこれを用いたプリント基板 |
-
2010
- 2010-04-23 JP JP2010099519A patent/JP4896247B2/ja not_active Expired - Fee Related
-
2011
- 2011-03-02 US US13/642,471 patent/US9185811B2/en not_active Expired - Fee Related
- 2011-03-02 EP EP11771803.1A patent/EP2563105B1/en not_active Not-in-force
- 2011-03-02 CN CN201180020204.6A patent/CN102870510B/zh not_active Expired - Fee Related
- 2011-03-02 WO PCT/JP2011/054724 patent/WO2011132463A1/ja active Application Filing
- 2011-03-02 KR KR1020127026339A patent/KR101352819B1/ko not_active IP Right Cessation
- 2011-03-18 TW TW100109347A patent/TWI422297B/zh not_active IP Right Cessation
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---|---|---|---|---|
JPH0537157A (ja) | 1991-07-31 | 1993-02-12 | Sony Corp | 多層プリント基板の製造方法 |
JPH05217755A (ja) | 1992-02-05 | 1993-08-27 | Tokai Rubber Ind Ltd | パターンめっき成形品の製造方法 |
JPH08181415A (ja) * | 1994-12-27 | 1996-07-12 | Tokai Rubber Ind Ltd | 窓開き回路基板の製法 |
JP2007250925A (ja) * | 2006-03-17 | 2007-09-27 | Ricoh Co Ltd | 配線構造体及びその製造方法 |
JP2008098563A (ja) * | 2006-10-16 | 2008-04-24 | Seiko Epson Corp | 素子基板およびその製造方法 |
Non-Patent Citations (1)
Title |
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See also references of EP2563105A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP4896247B2 (ja) | 2012-03-14 |
EP2563105B1 (en) | 2016-07-20 |
EP2563105A1 (en) | 2013-02-27 |
KR101352819B1 (ko) | 2014-01-16 |
EP2563105A4 (en) | 2015-01-28 |
KR20130064044A (ko) | 2013-06-17 |
US20130043063A1 (en) | 2013-02-21 |
TW201212754A (en) | 2012-03-16 |
TWI422297B (zh) | 2014-01-01 |
JP2011228605A (ja) | 2011-11-10 |
US9185811B2 (en) | 2015-11-10 |
CN102870510B (zh) | 2014-01-01 |
CN102870510A (zh) | 2013-01-09 |
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