WO1999030866A1 - Pb-FREE SOLDER-CONNECTED STRUCTURE AND ELECTRONIC DEVICE - Google Patents
Pb-FREE SOLDER-CONNECTED STRUCTURE AND ELECTRONIC DEVICE Download PDFInfo
- Publication number
- WO1999030866A1 WO1999030866A1 PCT/JP1998/005565 JP9805565W WO9930866A1 WO 1999030866 A1 WO1999030866 A1 WO 1999030866A1 JP 9805565 W JP9805565 W JP 9805565W WO 9930866 A1 WO9930866 A1 WO 9930866A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- electrode
- free solder
- solder
- alloy
- Prior art date
Links
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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
-
- 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—Brazing of electronic components
-
- 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
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
- B23K35/004—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of a metal of the iron group
-
- 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
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
- B23K35/007—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of copper or another noble metal
-
- 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
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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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 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
- H05K3/341—Surface mounted components
- H05K3/3421—Leaded components
- H05K3/3426—Leaded components characterised by the leads
-
- 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
- H05K3/3463—Solder compositions in relation to features of the printed circuit board or the mounting process
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/40—Semiconductor devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/831—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector the layer connector being supplied to the parts to be connected in the bonding apparatus
- H01L2224/83101—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector the layer connector being supplied to the parts to be connected in the bonding apparatus as prepeg comprising a layer connector, e.g. provided in an insulating plate member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/013—Alloys
- H01L2924/0132—Binary Alloys
- H01L2924/01322—Eutectic Alloys, i.e. obtained by a liquid transforming into two solid phases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/156—Material
- H01L2924/157—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2924/15738—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950 C and less than 1550 C
- H01L2924/15747—Copper [Cu] as principal constituent
-
- 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
- H05K2201/10742—Details of leads
- H05K2201/10886—Other details
- H05K2201/10909—Materials of terminal, e.g. of leads or electrodes of components
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- 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
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49144—Assembling to base an electrical component, e.g., capacitor, etc. by metal fusion
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- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49147—Assembling terminal to base
- Y10T29/49149—Assembling terminal to base by metal fusion bonding
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
-
- 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
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
-
- 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
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
- Y10T428/12715—Next to Group IB metal-base component
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Conductive Materials (AREA)
- Electroplating Methods And Accessories (AREA)
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69836230T DE69836230T2 (de) | 1997-12-16 | 1998-12-09 | Mit einem bleifreien lötmittel verbundene struktur und elektronische vorrichtung |
EP98959137A EP1048392B1 (en) | 1997-12-16 | 1998-12-09 | Pb-FREE SOLDER-CONNECTED STRUCTURE AND ELECTRONIC DEVICE |
AU15046/99A AU1504699A (en) | 1997-12-16 | 1998-12-09 | Pb-free solder-connected structure and electronic device |
CA002314116A CA2314116C (en) | 1997-12-16 | 1998-12-09 | Pb-free solder-connected structure and electronic device |
KR1020037015770A KR100681361B1 (ko) | 1997-12-16 | 1998-12-09 | Pb-프리 땜납 접속 구조체 및 전자 기기 |
KR1020007006510A KR100716094B1 (ko) | 1997-12-16 | 1998-12-09 | 반도체 장치 |
US09/971,566 US7013564B2 (en) | 1997-12-16 | 2001-10-09 | Method of producing an electronic device having a PB free solder connection |
US10/187,897 US6960396B2 (en) | 1997-12-16 | 2002-07-03 | Pb-free solder-connected structure and electronic device |
US11/331,220 US7709746B2 (en) | 1997-12-16 | 2006-01-13 | Pb-free solder-connected structure and electronic device |
US12/773,128 US8503189B2 (en) | 1997-12-16 | 2010-05-04 | Pb-free solder-connected structure and electronic device |
US13/924,210 US8907475B2 (en) | 1997-12-16 | 2013-06-21 | Pb-free solder-connected structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/346811 | 1997-12-16 | ||
JP34681197A JP3622462B2 (ja) | 1997-12-16 | 1997-12-16 | 半導体装置 |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09581631 A-371-Of-International | 1998-12-09 | ||
US09/972,178 Continuation US20020009610A1 (en) | 1997-12-16 | 2001-10-09 | Technical field |
US09/971,566 Division US7013564B2 (en) | 1997-12-16 | 2001-10-09 | Method of producing an electronic device having a PB free solder connection |
US10/187,897 Continuation US6960396B2 (en) | 1997-12-16 | 2002-07-03 | Pb-free solder-connected structure and electronic device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999030866A1 true WO1999030866A1 (en) | 1999-06-24 |
Family
ID=18385972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/005565 WO1999030866A1 (en) | 1997-12-16 | 1998-12-09 | Pb-FREE SOLDER-CONNECTED STRUCTURE AND ELECTRONIC DEVICE |
Country Status (11)
Country | Link |
---|---|
US (5) | US7013564B2 (ja) |
EP (4) | EP2140963B1 (ja) |
JP (1) | JP3622462B2 (ja) |
KR (3) | KR100716094B1 (ja) |
CN (4) | CN101604668B (ja) |
AU (1) | AU1504699A (ja) |
CA (1) | CA2314116C (ja) |
DE (3) | DE69837224T2 (ja) |
MY (1) | MY130764A (ja) |
TW (1) | TW408468B (ja) |
WO (1) | WO1999030866A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6960396B2 (en) | 1997-12-16 | 2005-11-01 | Hitachi, Ltd. | Pb-free solder-connected structure and electronic device |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY133357A (en) | 1999-06-30 | 2007-11-30 | Hitachi Ltd | A semiconductor device and a method of manufacturing the same |
JP4502430B2 (ja) * | 1999-10-07 | 2010-07-14 | ディップソール株式会社 | はんだ濡れ性向上処理剤、及び錫及び錫合金のはんだ濡れ性の向上方法 |
JP2001230360A (ja) * | 2000-02-18 | 2001-08-24 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
WO2001078931A1 (fr) * | 2000-04-17 | 2001-10-25 | Fujitsu Limited | Assemblage par brasure |
JP2002299540A (ja) | 2001-04-04 | 2002-10-11 | Hitachi Ltd | 半導体装置およびその製造方法 |
KR100431090B1 (ko) * | 2001-06-20 | 2004-05-12 | 정재필 | 저융점 도금층을 이용한 무연솔더 |
JP4073183B2 (ja) | 2001-08-01 | 2008-04-09 | 株式会社日立製作所 | Pbフリーはんだを用いた混載実装方法及び実装品 |
KR100400606B1 (ko) * | 2001-09-08 | 2003-10-08 | 정재필 | 저융점 무연솔더 도금층을 이용한 2중 프리코팅 기판 및그 제조방법 |
JP4447215B2 (ja) * | 2002-12-16 | 2010-04-07 | Necエレクトロニクス株式会社 | 電子部品 |
JP2004200249A (ja) * | 2002-12-16 | 2004-07-15 | Nec Electronics Corp | 電子部品及びその製造方法並びに製造装置 |
US20050067699A1 (en) * | 2003-09-29 | 2005-03-31 | Intel Corporation | Diffusion barrier layer for lead free package substrate |
KR20060030356A (ko) * | 2004-10-05 | 2006-04-10 | 삼성테크윈 주식회사 | 반도체 리이드 프레임과, 이를 포함하는 반도체 패키지와,이를 도금하는 방법 |
EP1924393A1 (en) * | 2005-08-24 | 2008-05-28 | Fry's Metals Inc. | Reducing joint embrittlement in lead-free soldering processes |
JP4275656B2 (ja) * | 2005-09-02 | 2009-06-10 | 住友金属工業株式会社 | 鋼管用ねじ継手 |
JP4799997B2 (ja) * | 2005-10-25 | 2011-10-26 | 富士通株式会社 | 電子機器用プリント板の製造方法およびこれを用いた電子機器 |
KR100743190B1 (ko) | 2005-12-26 | 2007-07-27 | 재단법인 포항산업과학연구원 | 저융점 무연 솔더 및 그의 제조 방법 |
KR101265449B1 (ko) * | 2007-07-13 | 2013-05-16 | 센주긴조쿠고교 가부시키가이샤 | 차재 실장용 무납 땜납과 차재 전자 회로 |
US8168890B2 (en) * | 2008-01-15 | 2012-05-01 | Samsung Electro-Mechanics Co., Ltd. | Printed circuit board and component package having the same |
CN101491866B (zh) * | 2008-01-25 | 2014-06-04 | 深圳市亿铖达工业有限公司 | 低温无铅焊锡膏 |
KR20100120294A (ko) * | 2008-02-29 | 2010-11-15 | 스미토모 베이클리트 컴퍼니 리미티드 | 납땜의 접속 방법, 전자기기 및 그 제조 방법 |
JP5287852B2 (ja) * | 2008-04-23 | 2013-09-11 | 千住金属工業株式会社 | 引け巣が抑制された鉛フリーはんだ合金 |
US7929314B2 (en) * | 2008-06-20 | 2011-04-19 | International Business Machines Corporation | Method and apparatus of changing PCB pad structure to increase solder volume and strength |
KR20110060929A (ko) | 2008-09-16 | 2011-06-08 | 에이저 시스템즈 인크 | 향상된 기계적 특성을 갖는 무연 땜납 범프 |
DE102009054068A1 (de) | 2009-11-20 | 2011-05-26 | Epcos Ag | Lotmaterial zur Befestigung einer Außenelektrode bei einem piezoelektrischen Bauelement und piezoelektrisches Bauelement mit einem Lotmaterial |
US8534136B2 (en) | 2010-03-31 | 2013-09-17 | Flextronics Ap, Llc. | Pin soldering for printed circuit board failure testing |
CN101862925A (zh) * | 2010-05-17 | 2010-10-20 | 天津大学 | 锡铋银系无铅焊料及制备方法 |
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- 1998-12-09 KR KR1020007006510A patent/KR100716094B1/ko not_active IP Right Cessation
- 1998-12-09 EP EP09013006.3A patent/EP2140963B1/en not_active Expired - Lifetime
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- 1998-12-09 CA CA002314116A patent/CA2314116C/en not_active Expired - Fee Related
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US6960396B2 (en) | 1997-12-16 | 2005-11-01 | Hitachi, Ltd. | Pb-free solder-connected structure and electronic device |
US7013564B2 (en) | 1997-12-16 | 2006-03-21 | Hitachi, Ltd. | Method of producing an electronic device having a PB free solder connection |
US7709746B2 (en) | 1997-12-16 | 2010-05-04 | Renesas Technology Corp. | Pb-free solder-connected structure and electronic device |
US8503189B2 (en) | 1997-12-16 | 2013-08-06 | Renesas Electronics Corporation | Pb-free solder-connected structure and electronic device |
US8907475B2 (en) | 1997-12-16 | 2014-12-09 | Renesas Electronics Corporation | Pb-free solder-connected structure |
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