JP6760683B2 - 電極構造体 - Google Patents
電極構造体 Download PDFInfo
- Publication number
- JP6760683B2 JP6760683B2 JP2015008394A JP2015008394A JP6760683B2 JP 6760683 B2 JP6760683 B2 JP 6760683B2 JP 2015008394 A JP2015008394 A JP 2015008394A JP 2015008394 A JP2015008394 A JP 2015008394A JP 6760683 B2 JP6760683 B2 JP 6760683B2
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- Prior art keywords
- seed layer
- barrier
- layer
- electrode structure
- structure according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000004888 barrier function Effects 0.000 claims description 47
- 238000009713 electroplating Methods 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000005530 etching Methods 0.000 claims description 16
- 238000007747 plating Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 12
- 238000004544 sputter deposition Methods 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 24
- 230000008569 process Effects 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 239000010949 copper Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
-
- 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
- H05K3/188—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 by direct electroplating
-
- 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
- H05K3/108—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 semi-additive methods; masks therefor
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
-
- 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
- H05K2201/0335—Layered conductors or foils
- H05K2201/0341—Intermediate metal, e.g. before reinforcing of conductors by plating
-
- 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
- H05K2201/09372—Pads and lands
- H05K2201/09381—Shape of non-curved single flat metallic pad, land or exposed part thereof; Shape of electrode of leadless component
-
- 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
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0703—Plating
- H05K2203/0713—Plating poison, e.g. for selective plating or for preventing plating on resist
-
- 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
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0703—Plating
- H05K2203/0716—Metallic plating catalysts, e.g. for direct electroplating of through holes; Sensitising or activating metallic plating catalysts
-
- 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
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0703—Plating
- H05K2203/0723—Electroplating, e.g. finish plating
-
- 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
- H05K2203/14—Related to the order of processing steps
- H05K2203/1407—Applying catalyst before applying plating resist
-
- 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
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/388—Improvement of the adhesion between the insulating substrate and the metal by the use of a metallic or inorganic thin film adhesion layer
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
- Y10T428/12396—Discontinuous surface component
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Description
100 電極構造体
110 基材
120 シード層
121 接合層
130 電解めっき層
140 バリア
Claims (12)
- 基材と、
前記基材の片面または両面に設けられるシード層と、
前記シード層上に設けられる電解めっき層と、
前記シード層と前記電解めっき層との間に不連続的に設けられるバリアと
を含み、
前記電解めっき層は前記シード層よりも厚く、
前記電解めっき層の下面は前記シード層または前記バリアと接し、
前記バリアが形成されていない前記シード層の部分は、前記バリアが形成されている前記シード層の部分よりも凹んでいる、電極構造体。 - 前記バリアは、前記シード層に密着した密着面と、前記電解めっき層に対して露出した露出面とを有する、請求項1に記載の電極構造体。
- 前記バリアは、アイランド形状に分布する、請求項1または2に記載の電極構造体。
- 前記バリアは、電解めっき工程時に使われるめっき液への耐エッチング性が前記シード層よりも優秀である、請求項1または2に記載の電極構造体。
- 前記シード層は、CuまたはCu合金物から成り、
前記バリアは、Ti、Cr、Taまたはこれらの合金物から成る、請求項1または2に記載の電極構造体。 - 前記基材と前記シード層との間に設けられる接合層を、さらに含む、請求項1または2に記載の電極構造体。
- 前記接合層は、前記バリアと同じ金属材料から成る、請求項6に記載の電極構造体。
- 基材の片面または両面にシード層を形成するステップと、
前記シード層上に不連続的にバリアを形成するステップと、
前記バリアが形成されたシード層の片面にレジストパターンを形成し、続いて、電解めっきを施して、前記レジストパターン間に電解めっき層を形成するステップと、
前記レジストパターンを剥離してから、外部へ露出される前記シード層を除去するステップと
を含み、
前記電解めっき層は前記シード層よりも厚く、
前記電解めっき層の下面は前記シード層または前記バリアと接し、
前記バリアが形成されていない前記シード層の部分は、前記バリアが形成されている前記シード層の部分よりも凹んでいる、電極構造体の製造方法。 - 前記バリアを形成するステップにおいて、前記バリアはアイランド形状に形成される、請求項8に記載の電極構造体の製造方法。
- 前記バリアを形成するステップは、スパッタリング法によって行われる、請求項8に記載の電極構造体の製造方法。
- 前記シード層を形成する前、前記基材上に接合層を形成するステップをさらに含む、請求項8に記載の電極構造体の製造方法。
- 前記シード層を除去するステップにおいて、前記接合層が共に除去される、請求項11に記載の電極構造体の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0057291 | 2014-05-13 | ||
KR1020140057291A KR102041646B1 (ko) | 2014-05-13 | 2014-05-13 | 전극 구조체 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015220454A JP2015220454A (ja) | 2015-12-07 |
JP6760683B2 true JP6760683B2 (ja) | 2020-09-23 |
Family
ID=54539663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015008394A Expired - Fee Related JP6760683B2 (ja) | 2014-05-13 | 2015-01-20 | 電極構造体 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9320142B2 (ja) |
JP (1) | JP6760683B2 (ja) |
KR (1) | KR102041646B1 (ja) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6341049A (ja) * | 1986-08-05 | 1988-02-22 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | ヴアイア接続を有する多層回路 |
JP2841888B2 (ja) * | 1990-03-19 | 1998-12-24 | 株式会社日立製作所 | 多層配線基板及びその製造方法 |
TW593731B (en) * | 1998-03-20 | 2004-06-21 | Semitool Inc | Apparatus for applying a metal structure to a workpiece |
US6399479B1 (en) * | 1999-08-30 | 2002-06-04 | Applied Materials, Inc. | Processes to improve electroplating fill |
US6660153B2 (en) * | 2000-10-20 | 2003-12-09 | Shipley Company, L.L.C. | Seed layer repair bath |
JP2002237026A (ja) * | 2001-02-08 | 2002-08-23 | Fujitsu Ltd | 磁気記録媒体、磁気記録媒体の製造方法、及び、磁気記録装置 |
US6727592B1 (en) * | 2002-02-22 | 2004-04-27 | Advanced Micro Devices, Inc. | Copper interconnect with improved barrier layer |
US6995088B2 (en) * | 2004-05-18 | 2006-02-07 | Texas Instruments Incorporated | Surface treatment of copper to improve interconnect formation |
US7449409B2 (en) * | 2005-03-14 | 2008-11-11 | Infineon Technologies Ag | Barrier layer for conductive features |
US7504335B2 (en) * | 2005-04-13 | 2009-03-17 | Applied Materials, Inc. | Grafted seed layer for electrochemical plating |
US20070066081A1 (en) * | 2005-09-21 | 2007-03-22 | Chin-Chang Cheng | Catalytic activation technique for electroless metallization of interconnects |
US7545030B2 (en) * | 2005-12-30 | 2009-06-09 | Intel Corporation | Article having metal impregnated within carbon nanotube array |
JP2007243043A (ja) * | 2006-03-10 | 2007-09-20 | Sumitomo Metal Mining Co Ltd | フレキシブル配線基板およびその製造方法 |
KR20090087149A (ko) | 2008-02-12 | 2009-08-17 | 대덕전자 주식회사 | 미세 피치의 인쇄회로기판 제조 방법 |
JP5411434B2 (ja) * | 2008-02-22 | 2014-02-12 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | 半導体装置とその製造方法 |
US9070747B2 (en) * | 2013-06-27 | 2015-06-30 | Flipchip International Llc | Electroplating using dielectric bridges |
-
2014
- 2014-05-13 KR KR1020140057291A patent/KR102041646B1/ko active IP Right Grant
-
2015
- 2015-01-16 US US14/598,595 patent/US9320142B2/en not_active Expired - Fee Related
- 2015-01-20 JP JP2015008394A patent/JP6760683B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20150130122A (ko) | 2015-11-23 |
JP2015220454A (ja) | 2015-12-07 |
US20150334832A1 (en) | 2015-11-19 |
US9320142B2 (en) | 2016-04-19 |
KR102041646B1 (ko) | 2019-11-07 |
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