KR101006619B1 - 라운드형 솔더범프를 갖는 인쇄회로기판 및 그 제조방법 - Google Patents
라운드형 솔더범프를 갖는 인쇄회로기판 및 그 제조방법 Download PDFInfo
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- KR101006619B1 KR101006619B1 KR1020080102682A KR20080102682A KR101006619B1 KR 101006619 B1 KR101006619 B1 KR 101006619B1 KR 1020080102682 A KR1020080102682 A KR 1020080102682A KR 20080102682 A KR20080102682 A KR 20080102682A KR 101006619 B1 KR101006619 B1 KR 101006619B1
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- layer
- printed circuit
- circuit board
- forming
- solder bump
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- Expired - Fee Related
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 112
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 claims description 78
- 229910052751 metal Inorganic materials 0.000 claims description 78
- 238000000034 method Methods 0.000 claims description 56
- 230000008569 process Effects 0.000 claims description 42
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 36
- 239000011888 foil Substances 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 24
- 238000007639 printing Methods 0.000 claims description 22
- 229910052759 nickel Inorganic materials 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052737 gold Inorganic materials 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- 239000013039 cover film Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 132
- 238000005530 etching Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000011889 copper foil Substances 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007650 screen-printing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- ONMOULMPIIOVTQ-UHFFFAOYSA-N 98-47-5 Chemical compound OS(=O)(=O)C1=CC=CC([N+]([O-])=O)=C1 ONMOULMPIIOVTQ-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- -1 or the like Chemical compound 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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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
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3485—Applying solder paste, slurry or powder
-
- 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
-
- 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
-
- 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
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
- H05K3/4682—Manufacture of core-less build-up multilayer circuits on a temporary carrier or on a metal foil
-
- 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
- H05K2201/09472—Recessed pad for surface mounting; Recessed electrode of 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
- 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
- H05K2201/09481—Via in pad; Pad over filled via
-
- 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
- H05K2203/03—Metal processing
- H05K2203/0338—Transferring metal or conductive material other than a circuit pattern, e.g. bump, solder, printed 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
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/043—Reflowing of solder coated conductors, not during connection of components, e.g. reflowing solder paste
-
- 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
- H05K3/24—Reinforcing the conductive pattern
- H05K3/244—Finish plating of conductors, especially of copper conductors, e.g. for pads or lands
-
- 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
- H05K3/28—Applying non-metallic protective coatings
- H05K3/282—Applying non-metallic protective coatings for inhibiting the corrosion of the circuit, e.g. for preserving the solderability
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Wire Bonding (AREA)
Abstract
Description
본 발명의 바람직한 한 특징으로서, 상기 솔더범프를 형성하는 단계는, (ⅰ) 상기 캐리어 상부에 적층된 금속포일 상에 솔더범프 형성용 개구부를 갖는 인쇄마스크를 배치하고 솔더페이스트를 인쇄하는 단계; 및 (ⅱ) 리플로우 공정을 수행하고 상기 인쇄마스크를 제거하여 솔더범프를 형성하는 단계;를 포함하는 것에 있다.
Claims (14)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- (A) 캐리어 상부에 적층된 금속포일 상에 상기 캐리어의 외측을 향하는 패드접속면이 라운드진 형상인 솔더범프를 형성하는 단계;(B) 상기 솔더범프를 포함하여 상기 금속포일에 하부접속패드용 금속층을 형성하는 단계;(C) 상기 하부접속패드용 금속층 상부에, 상기 솔더범프와 전기적으로 접속하는 회로층 및 절연층을 갖는 빌드업층을 형성하는 단계;(D) 상기 캐리어를 제거하는 단계; 및(E) 상기 금속포일 및 상기 하부접속패드용 금속층의 노출부를 제거하는 단계;를 포함하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제6항에 있어서,상기 솔더범프를 형성하는 단계는,(ⅰ) 상기 캐리어 상부에 적층된 금속포일 상에 솔더범프 형성용 개구부를 갖는 인쇄마스크를 배치하고 솔더페이스트를 인쇄하는 단계; 및(ⅱ) 리플로우 공정을 수행하고 상기 인쇄마스크를 제거하여 솔더범프를 형성하는 단계;를 포함하는 것을 특징으로 하는 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제6항에 있어서,상기 빌드업층의 최상부에 형성된 회로층은 상부접속패드를 구비하며,상기 빌드업층을 형성하는 단계 이후에, 상기 빌드업층의 최상부에 형성된 회로층 상부에 상기 상부접속패드를 노출하는 개구부를 갖는 솔더레지스트층을 형성하는 단계를 더 포함하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제6항에 있어서,상기 솔더범프를 형성하는 단계 이후에 수행되는, 상기 솔더범프를 포함하여 상기 금속포일 상부에 접속금속층을 형성하는 단계를 더 포함하고,상기 금속포일 및 상기 하부접속패드용 금속층의 노출부를 제거하는 단계는, 상기 접속금속층을 제거하는 단계를 더 포함하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제6항에 있어서,상기 캐리어는 절연수지층의 단면 또는 양면에 적층된 동박적층판에 이형층 이 형성된 것을 특징으로 하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제7항에 있어서,상기 인쇄마스크는 노광/현상 공정 또는 레이저 드릴링 공정에 의해 솔더범프 형성용 개구부가 패터닝된 커버필름인 것을 특징으로 하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제7항에 있어서,상기 인쇄마스크는 솔더범프 형성용 개구부를 갖는 메탈마스크인 것을 특징으로 하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제8항에 있어서,상기 솔더레지스트층을 패터닝하는 단계 이후에,상기 상부접속패드에 표면에 OSP(Organic Solderabilty Preservatives) 처리를 수행하거나 또는 무전해니켈/금도금(ENIG, Electroless Nickel Immersion Gold)층을 형성하는 단계를 더 포함하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
- 제9항에 있어서,상기 접속금속층은 니켈도금층인 것을 특징으로 하는 라운드형 솔더범프를 갖는 인쇄회로기판의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080102682A KR101006619B1 (ko) | 2008-10-20 | 2008-10-20 | 라운드형 솔더범프를 갖는 인쇄회로기판 및 그 제조방법 |
US12/320,366 US20100096171A1 (en) | 2008-10-20 | 2009-01-23 | Printed circuit board having round solder bump and method of manufacturing the same |
JP2009015184A JP4847547B2 (ja) | 2008-10-20 | 2009-01-27 | ラウンド型半田バンプを有するプリント基板 |
JP2011069177A JP4954336B2 (ja) | 2008-10-20 | 2011-03-28 | ラウンド型半田バンプを有するプリント基板およびその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080102682A KR101006619B1 (ko) | 2008-10-20 | 2008-10-20 | 라운드형 솔더범프를 갖는 인쇄회로기판 및 그 제조방법 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100084867A Division KR20100099092A (ko) | 2010-08-31 | 2010-08-31 | 라운드형 솔더범프를 갖는 인쇄회로기판 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100043591A KR20100043591A (ko) | 2010-04-29 |
KR101006619B1 true KR101006619B1 (ko) | 2011-01-07 |
Family
ID=42107731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020080102682A Expired - Fee Related KR101006619B1 (ko) | 2008-10-20 | 2008-10-20 | 라운드형 솔더범프를 갖는 인쇄회로기판 및 그 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100096171A1 (ko) |
JP (2) | JP4847547B2 (ko) |
KR (1) | KR101006619B1 (ko) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101095211B1 (ko) * | 2008-12-17 | 2011-12-16 | 삼성전기주식회사 | 기판 제조용 캐리어 부재 및 이를 이용한 기판 제조방법 |
KR101055462B1 (ko) | 2010-01-07 | 2011-08-08 | 삼성전기주식회사 | 인쇄회로기판 제조용 캐리어와 그 제조방법 및 이를 이용한 인쇄회로기판의 제조방법 |
JP5638269B2 (ja) * | 2010-03-26 | 2014-12-10 | 日本特殊陶業株式会社 | 多層配線基板 |
KR101222828B1 (ko) * | 2011-06-24 | 2013-01-15 | 삼성전기주식회사 | 코어리스 기판의 제조방법 |
KR101420499B1 (ko) * | 2012-07-26 | 2014-07-16 | 삼성전기주식회사 | 적층형 코어리스 인쇄회로기판 및 그 제조 방법 |
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Also Published As
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KR20100043591A (ko) | 2010-04-29 |
JP2011139096A (ja) | 2011-07-14 |
US20100096171A1 (en) | 2010-04-22 |
JP4847547B2 (ja) | 2011-12-28 |
JP4954336B2 (ja) | 2012-06-13 |
JP2010098278A (ja) | 2010-04-30 |
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