KR20100106473A - 땜납 접합 구조 및 납땜용 플럭스 - Google Patents
땜납 접합 구조 및 납땜용 플럭스 Download PDFInfo
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- KR20100106473A KR20100106473A KR20107015360A KR20107015360A KR20100106473A KR 20100106473 A KR20100106473 A KR 20100106473A KR 20107015360 A KR20107015360 A KR 20107015360A KR 20107015360 A KR20107015360 A KR 20107015360A KR 20100106473 A KR20100106473 A KR 20100106473A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Soldering of electronic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering or brazing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering or brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering or brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
- B23K35/025—Pastes, creams or slurries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings or fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings or fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3612—Selection of non-metallic compositions, e.g. coatings or fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings or fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3612—Selection of non-metallic compositions, e.g. coatings or fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
- B23K35/3613—Polymers, e.g. resins
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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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3465—Application of solder
- H05K3/3485—Application of solder paste, slurry or powder
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2251/00—Treating composite or clad 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/06—Thermal details
- H05K2201/068—Thermal details wherein the coefficient of thermal expansion is important
-
- 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 resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3442—Leadless components having edge contacts, e.g. leadless chip capacitors, chip carriers
-
- 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 resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3489—Composition of fluxes; Application thereof; Other processes of activating the contact surfaces
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
이 땜납 접합 구조는 주면(1a)에 전극부(2) 및 절연막(3)을 구비한 기판의 주면(1a) 상에 전자부품(4)을 탑재하고, 상기 전극부(2)와 상기 전자부품(4)은 땜납부(5)를 통하여 전기적으로 접합되고, 전자부품(4)과 절연막(3) 사이에 상기 땜납부(5)로부터 침출된 플럭스 잔사(6)가 개재되어 있는 땜납 접합 구조로서, 상기 플럭스는 아크릴 수지, 활성제 및 수산기를 갖는 틱소제를 함유하고, 또한 상기 아크릴 수지의 유리전이점이 -40℃ 이하 또는 상기 플럭스 잔사의 연화 온도 이상임과 아울러, 상기 플럭스 잔사는 -40℃부터 상기 플럭스 잔사의 연화 온도까지의 온도범위에 있어서의 선팽창계수의 최대값이 300×10-6/K 이하이다.
Description
Claims (10)
- 전극부 및 절연막을 구비한 기판의 주면 상에 전자부품을 탑재하고, 상기 전극부와 상기 전자부품이 땜납부를 통하여 전기적으로 접합되고, 전자부품과 절연막의 사이에 상기 땜납부로부터 침출된 플럭스의 잔사가 개재되어 있는 땜납 접합 구조로서:
상기 플럭스는 아크릴 수지, 활성제 및 수산기를 갖는 틱소제를 함유하고, 또한 상기 아크릴 수지의 유리전이점이 -40℃ 이하 또는 상기 플럭스 잔사의 연화 온도 이상임과 아울러,
상기 플럭스 잔사는 -40℃부터 상기 플럭스 잔사의 연화 온도까지의 온도범위에 있어서의 선팽창계수의 최대값이 300×10-6/K 이하인 것을 특징으로 하는 땜납 접합 구조. - 제 1 항에 있어서,
상기 땜납부는 땜납 합금 분말과 상기 플럭스를 혼합한 땜납 페이스트 조성물을 리플로우시킴으로써 형성되어 있는 것을 특징으로 하는 땜납 접합 구조. - 땜납 합금 분말과 혼합하여 리플로우시킴으로써 납땜에 이용되는 납땜용 플럭스로서:
아크릴 수지, 활성제 및 수산기를 갖는 틱소제를 함유하고, 또한 상기 아크릴 수지의 유리전이점이 -40℃ 이하 또는 리플로우 후의 플럭스 잔사의 연화 온도 이상임과 아울러,
리플로우 후의 플럭스 잔사는 -40℃부터 상기 플럭스 잔사의 연화 온도까지의 온도 범위에 있어서의 선팽창계수의 최대값이 300×10-6/K 이하인 것을 특징으로 하는 납땜용 플럭스. - 제 3 항에 있어서,
산화 방지제를 함유하는 것을 특징으로 하는 납땜용 플럭스. - 제 3 항 또는 제 4 항에 있어서,
상기 아크릴 수지는 아크릴산, 메타크릴산, 아크릴산의 각종 에스테르, 메타크릴산의 각종 에스테르, 크로톤산, 이타콘산, 말레산, 무수 말레산, 말레산의 에스테르, 무수 말레산의 에스테르, 아크릴로니트릴, 메타크릴로니트릴, 아크릴아미드, 메타크릴아미드, 염화 비닐 및 아세트산 비닐로 이루어지는 군으로부터 선택된 1종 이상의 중합성 불포화기 함유 모노머를 중합하여 이루어지는 것을 특징으로 하는 납땜용 플럭스. - 제 3 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 아크릴 수지는 분자량이 3만 이하인 것을 특징으로 하는 납땜용 플럭스. - 제 3 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 아크릴 수지의 함유량은 플럭스 총량에 대하여 10∼80중량%인 것을 특징으로 하는 납땜용 플럭스. - 제 3 항 내지 제 7 항 중 어느 한 항에 있어서,
로진계 수지를 더 함유하는 것을 특징으로 하는 납땜용 플럭스. - 땜납 합금 분말과 제 3 항 내지 제 8 항 중 어느 한 항에 기재된 납땜용 플럭스를 포함하는 것을 특징으로 하는 땜납 페이스트 조성물.
- 90℃ 이상의 온도와 -30℃ 이하의 온도 사이에서 냉열 사이클을 반복하는 온도 부하 조건하에 있어서의 땜납부의 접합 강도의 저하를 방지하는 방법으로서:
상기 땜납부를 땜납 합금 분말과 제 3 항 내지 제 8 항 중 어느 한 항에 기재된 납땜용 플럭스를 이용하여 형성하는 것을 특징으로 하는 땜납 접합 강도의 저하 방지 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2008-042089 | 2008-02-22 | ||
| JP2008042089 | 2008-02-22 | ||
| PCT/JP2009/052925 WO2009104693A1 (ja) | 2008-02-22 | 2009-02-19 | はんだ接合構造およびはんだ付け用フラックス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100106473A true KR20100106473A (ko) | 2010-10-01 |
| KR101142815B1 KR101142815B1 (ko) | 2012-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020107015360A Active KR101142815B1 (ko) | 2008-02-22 | 2009-02-19 | 땜납 접합 구조 및 납땜용 플럭스 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8679263B2 (ko) |
| EP (1) | EP2243592B1 (ko) |
| JP (1) | JP5181136B2 (ko) |
| KR (1) | KR101142815B1 (ko) |
| CN (1) | CN101939130B (ko) |
| TW (1) | TWI422454B (ko) |
| WO (1) | WO2009104693A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150022709A (ko) * | 2013-08-22 | 2015-03-04 | 가부시키가이샤 다무라 세이사쿠쇼 | 내냉열 충격 플럭스 조성물, 솔더 페이스트 조성물 및 전자 회로 기판 |
| KR20230154287A (ko) * | 2021-03-31 | 2023-11-07 | 센주긴조쿠고교 가부시키가이샤 | 플럭스 및 솔더 페이스트 |
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|---|---|---|---|---|
| JP5486282B2 (ja) * | 2009-12-08 | 2014-05-07 | 荒川化学工業株式会社 | はんだペースト用フラックス及びはんだペースト |
| JP5856747B2 (ja) * | 2011-03-28 | 2016-02-10 | ハリマ化成株式会社 | はんだ付け用フラックスおよびはんだペースト組成物 |
| CN103212761B (zh) * | 2012-06-26 | 2015-05-06 | 深圳市堃琦鑫华股份有限公司 | 一种焊接方法 |
| JP6196036B2 (ja) * | 2012-12-26 | 2017-09-13 | ハリマ化成株式会社 | フラックスおよびはんだペースト |
| JP6133649B2 (ja) * | 2013-03-25 | 2017-05-24 | 株式会社タムラ製作所 | アクリル樹脂含有はんだ付け用フラックス組成物及びソルダーペースト組成物 |
| JP5812230B2 (ja) * | 2013-08-12 | 2015-11-11 | 千住金属工業株式会社 | フラックス及びソルダペースト |
| JP6259623B2 (ja) | 2013-09-30 | 2018-01-10 | 株式会社タムラ製作所 | 低酸価アクリル樹脂含有はんだ付け用フラックスおよびはんだペースト組成物 |
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| JP2016010818A (ja) * | 2015-03-24 | 2016-01-21 | 株式会社タムラ製作所 | 鉛フリーはんだ合金含有ソルダペースト組成物、はんだ接合体構造および電子回路基板 |
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| JP2017113776A (ja) * | 2015-12-24 | 2017-06-29 | 荒川化学工業株式会社 | やに入りはんだ用フラックス、やに入りはんだ |
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| US10879211B2 (en) | 2016-06-30 | 2020-12-29 | R.S.M. Electron Power, Inc. | Method of joining a surface-mount component to a substrate with solder that has been temporarily secured |
| WO2018105127A1 (ja) * | 2016-12-09 | 2018-06-14 | 日立化成株式会社 | 接合体の製造方法、遷移的液相焼結用組成物、焼結体及び接合体 |
| MX2021010426A (es) * | 2019-03-29 | 2021-09-14 | Senju Metal Industry Co | Composicion de resina para uso de soldadura, composicion de soldadura, soldadura con nucleo de fundente, fundente y pasta de soldadura. |
| JP6646243B1 (ja) * | 2019-05-27 | 2020-02-14 | 千住金属工業株式会社 | はんだペースト及びはんだペースト用フラックス |
| JP6721849B1 (ja) * | 2019-05-27 | 2020-07-15 | 千住金属工業株式会社 | ソルダペースト |
| JP7419697B2 (ja) * | 2019-08-01 | 2024-01-23 | 株式会社オートネットワーク技術研究所 | ワイヤーハーネス |
| CN110842393B (zh) * | 2019-11-20 | 2021-10-29 | 苏州优诺电子材料科技有限公司 | 一种低温无铅焊锡膏及制备方法 |
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2009
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- 2009-02-19 JP JP2009554375A patent/JP5181136B2/ja active Active
- 2009-02-19 EP EP09712255.0A patent/EP2243592B1/en active Active
- 2009-02-19 WO PCT/JP2009/052925 patent/WO2009104693A1/ja not_active Ceased
- 2009-02-19 US US12/918,169 patent/US8679263B2/en active Active
- 2009-02-19 KR KR1020107015360A patent/KR101142815B1/ko active Active
- 2009-02-20 TW TW98105400A patent/TWI422454B/zh active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150022709A (ko) * | 2013-08-22 | 2015-03-04 | 가부시키가이샤 다무라 세이사쿠쇼 | 내냉열 충격 플럭스 조성물, 솔더 페이스트 조성물 및 전자 회로 기판 |
| KR20230154287A (ko) * | 2021-03-31 | 2023-11-07 | 센주긴조쿠고교 가부시키가이샤 | 플럭스 및 솔더 페이스트 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009104693A1 (ja) | 2009-08-27 |
| US20110036628A1 (en) | 2011-02-17 |
| TW200944323A (en) | 2009-11-01 |
| US8679263B2 (en) | 2014-03-25 |
| KR101142815B1 (ko) | 2012-05-08 |
| EP2243592A4 (en) | 2017-06-21 |
| TWI422454B (zh) | 2014-01-11 |
| EP2243592A1 (en) | 2010-10-27 |
| CN101939130A (zh) | 2011-01-05 |
| JPWO2009104693A1 (ja) | 2011-06-23 |
| EP2243592B1 (en) | 2020-04-01 |
| CN101939130B (zh) | 2013-05-08 |
| JP5181136B2 (ja) | 2013-04-10 |
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