KR100659890B1 - 무연 땜납합금 - Google Patents
무연 땜납합금 Download PDFInfo
- Publication number
- KR100659890B1 KR100659890B1 KR1020020036023A KR20020036023A KR100659890B1 KR 100659890 B1 KR100659890 B1 KR 100659890B1 KR 1020020036023 A KR1020020036023 A KR 1020020036023A KR 20020036023 A KR20020036023 A KR 20020036023A KR 100659890 B1 KR100659890 B1 KR 100659890B1
- Authority
- KR
- South Korea
- Prior art keywords
- solder
- lead
- mass
- soldering
- wettability
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/08—Soldering by means of dipping in molten solder
- B23K1/085—Wave soldering
-
- 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
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/203—Fluxing, i.e. applying flux onto surfaces
-
- 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
-
- 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
- B23K2101/42—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
- H05K3/30—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
조성(중량%) | 특성시험 | |||||||||
Sn | Cu | P | Ge | Ag | Ni | Bi | Sb | 젖음성 시험※1 | 벌크강도 (MPa)※2 | |
실시예1 실시예2 실시예3 실시예4 실시예5 실시예6 실시예7 | 잔류 잔류 잔류 잔류 잔류 잔류 잔류 | 0.5 0.7 0.7 0.5 0.7 0.7 0.5 | 0.005 0.01 0.005 0.005 0.01 0.003 0.005 | - - 0.01 - - 0.01 - | - - - 0.3 - - 2 | - - - - - 0.05 - | - - - - - - 2 | 0.3 | 우(優) 우 우 우 양(良) 양 우 | 32 36 36 37 36 33 73 |
비교예1 비교예2 비교예3 | 잔류 잔류 잔류 | 0.7 0.7 0.7 | - - - | - - - | - 0.1 - | - - - | - - - | - - 0.3 | 열(劣) 양 열 | 31 35 31 |
젖음성 시험: Cu판(0.3t × 10wx30L)에 산화처리를 하여, 시험편(test piece)으로 한다. 시험편의 표면에는 납땜용 플럭스(flux)를 도포하고, 250℃로 가열 유지한 각종 땜납 속에 침지하여 시간축에 대한 젖음곡선을 얻는다. 소위 젖음성밸런스시험(wetting balance test)법으로 제로크로싱타임(zero crossing time)을 측정하여 각종 땜납합금의 있어서 젖음성을 비교하였다. 판단 기준으로서 제로크로싱타임이 2초 미만인 것을 우(優), 2초이상 3초미만인 것을 양(良), 3초 이상인 것을 열(劣)로 하였다.
Claims (7)
- Cu 0.1~3질량%, P 0.001~0.1질량%, 나머지 부분(balance)이 Sn으로 조성된 무연 땜납합금.
- 제 1항에 있어서, 상기 무연 땜납합금에 Ge 0.001~0.1질량%를 첨가한 무연 땜납합금.
- 제 1항 또는 제 2항에 있어서, 상기 무연 땜납합금에 Ni, Co, Fe, Mn, Cr 및 Mo로 되어 있는 군에서 선택한 1가지 이상의 합금소재를 합계하여 0.5질량%이하를 첨가한 무연 땜납합금.
- 삭제
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001195903 | 2001-06-28 | ||
JPJP-P-2001-00195903 | 2001-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030003030A KR20030003030A (ko) | 2003-01-09 |
KR100659890B1 true KR100659890B1 (ko) | 2006-12-20 |
Family
ID=19033808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020036023A KR100659890B1 (ko) | 2001-06-28 | 2002-06-26 | 무연 땜납합금 |
Country Status (7)
Country | Link |
---|---|
US (3) | US20030021718A1 (ko) |
EP (2) | EP1897649B1 (ko) |
JP (6) | JP3622788B2 (ko) |
KR (1) | KR100659890B1 (ko) |
CN (2) | CN101508062A (ko) |
MY (1) | MY136743A (ko) |
TW (1) | TW592872B (ko) |
Families Citing this family (146)
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CN1400081A (zh) | 2003-03-05 |
US7338567B2 (en) | 2008-03-04 |
MY136743A (en) | 2008-11-28 |
TW592872B (en) | 2004-06-21 |
KR20030003030A (ko) | 2003-01-09 |
JP2007260779A (ja) | 2007-10-11 |
EP1897649A1 (en) | 2008-03-12 |
JP2009131903A (ja) | 2009-06-18 |
JP5152150B2 (ja) | 2013-02-27 |
JP2010029942A (ja) | 2010-02-12 |
EP1897649B1 (en) | 2011-11-02 |
JP2003094195A (ja) | 2003-04-02 |
JP2004001100A (ja) | 2004-01-08 |
US20040062679A1 (en) | 2004-04-01 |
CN100534699C (zh) | 2009-09-02 |
JP3622788B2 (ja) | 2005-02-23 |
JP2007007732A (ja) | 2007-01-18 |
JP5099048B2 (ja) | 2012-12-12 |
US20030021718A1 (en) | 2003-01-30 |
JP4432946B2 (ja) | 2010-03-17 |
US7682468B2 (en) | 2010-03-23 |
EP1273384A1 (en) | 2003-01-08 |
CN101508062A (zh) | 2009-08-19 |
JP4225165B2 (ja) | 2009-02-18 |
US20080061117A1 (en) | 2008-03-13 |
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