JP2006281318A - スズ(Sn)と、銀(Ag)と、銅(Cu)と、リン(P)とを基本的に含有する鉛フリーのはんだ合金組成物 - Google Patents
スズ(Sn)と、銀(Ag)と、銅(Cu)と、リン(P)とを基本的に含有する鉛フリーのはんだ合金組成物 Download PDFInfo
- Publication number
- JP2006281318A JP2006281318A JP2006067296A JP2006067296A JP2006281318A JP 2006281318 A JP2006281318 A JP 2006281318A JP 2006067296 A JP2006067296 A JP 2006067296A JP 2006067296 A JP2006067296 A JP 2006067296A JP 2006281318 A JP2006281318 A JP 2006281318A
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- JP
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- Prior art keywords
- lead
- solder
- free solder
- free
- present
- 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.)
- Pending
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 108
- 239000000203 mixture Substances 0.000 title claims abstract description 38
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 15
- 229910052718 tin Inorganic materials 0.000 title claims abstract description 13
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 4
- 239000011574 phosphorus Substances 0.000 title claims abstract description 4
- 239000010949 copper Substances 0.000 title claims description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 9
- 239000004332 silver Substances 0.000 title claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 4
- 229910045601 alloy Inorganic materials 0.000 title abstract description 21
- 239000000956 alloy Substances 0.000 title abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000005496 eutectics Effects 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 9
- 238000005476 soldering Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 13
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 241000237858 Gastropoda Species 0.000 abstract 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 6
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910020816 Sn Pb Inorganic materials 0.000 description 4
- 229910020922 Sn-Pb Inorganic materials 0.000 description 4
- 229910008783 Sn—Pb Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910017944 Ag—Cu Inorganic materials 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229940100890 silver compound Drugs 0.000 description 2
- 150000003379 silver compounds Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical compound C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910001850 copernicium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001958 silver carbonate Inorganic materials 0.000 description 1
- LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 description 1
- 229940096017 silver fluoride Drugs 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- REYHXKZHIMGNSE-UHFFFAOYSA-M silver monofluoride Chemical compound [F-].[Ag+] REYHXKZHIMGNSE-UHFFFAOYSA-M 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
【解決手段】Snを主材料として考案された鉛フリーのはんだ合金であって、無毒で且つ環境に優しい金属のはんだ合金を提供する。この鉛フリーはんだは、約99.0wtのSnと、0.3〜0.4wt%のAgと、0.6〜0.7wt%のCuとで基本的に構成された四元の組成物を含み、約217〜227℃の非共晶溶解温度を有する。第4種目の成分は、非金属のリン(P)である。0.01〜1.0wt%のPを上記の組成物に加えることによって、電子装備の取り付け工程中のマニュアルソルダリング、ウェーブソルダリング、および熱風式リフローソルダリングの際に、微細構造の安定性を更に高め、スラグの形成を低減させることができる。
【選択図】なし
Description
(1)組成物の重量を基準に、0.3wt%のAgと、0.7wt%のCuと、0.01〜1.0wt%のPと、差引量のSnと、不可避の不純物とで基本的に構成され、且つ、はんだの溶融温度が217〜227℃である鉛フリーの導電体はんだ組成物。
(2)組成物の重量を基準に、0.4wt%のAgと、0.6wt%のCuと、0.01〜1.0wt%のPと、差引量のSnと、不可避の不純物とで基本的に構成され、且つ、はんだの溶融温度が217〜227℃である鉛フリーの導電体はんだ組成物。
1)3.5kgの純銅および200kgの純スズをスチール製の坩堝に入れ、400℃まで加熱し、約45分間攪拌する。
2)300℃まで温度を下げ、294.75kgの純スズを加え、約45分間攪拌する。
3)1.5kgの純銀を坩堝に加え、370℃まで加熱し、約45分間攪拌する。
4)250gのPを磨砕して坩堝に加え、370℃の温度のもとで約45分間攪拌する。
これで完了である。
Claims (6)
- 鉛フリーの導電体はんだ組成物であって、
組成物の重量を基準に、約0.3〜0.4wt%の銀(Ag)と、0.6〜0.7wt%の銅(Cu)と、1.0wt%以下のリン(P)と、差引量のスズ(Sn)と、不可避の不純物とで基本的に構成される鉛フリーの導電体はんだ組成物。 - 請求項1に記載の鉛フリーの導電体はんだ組成物であって、
組成物の重量を基準に、0.3wt%のAgと、0.7wt%のCuと、0.01〜1.0wt%のPと、差引量のSnと、不可避の不純物とで基本的に構成され、且つ、はんだの溶融温度が217〜227℃である鉛フリーの導電体はんだ組成物。 - 請求項1に記載の鉛フリーの導電体はんだ組成物であって、
組成物の重量を基準に、約0.4wt%のAgと、約0.6wt%のCuと、0.01〜1.0wt%のPと、差引量のSnと、不可避の不純物とで基本的に構成され、且つ、217〜227℃の非共晶溶融温度を有する鉛フリーの導電体はんだ組成物。 - 請求項1ないし3のいずれかに記載の鉛フリーの導電体はんだ組成物であって、
Pの含有量は、0.8wt%未満である鉛フリーの導電体はんだ組成物。 - 請求項1ないし3のいずれかに記載の鉛フリーの導電体はんだ組成物であって、
Pの含有量は、0.01〜0.5wt%である鉛フリーの導電体はんだ組成物。 - 請求項1ないし3のいずれかに記載の鉛フリーの導電体はんだ組成物であって、
Pの含有量は、0.01〜0.3wt%である鉛フリーの導電体はんだ組成物。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2502747 CA2502747A1 (en) | 2005-03-30 | 2005-03-30 | Pb-free solder alloy compositions comprising essentially tin, silver, copper and phosphorus |
CNB2005101134413A CN100467192C (zh) | 2005-03-30 | 2005-10-09 | 基本上包括锡(Sn)、银(Ag)、铜(Cu)和磷(P)的无Pb焊料合金组合物 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006281318A true JP2006281318A (ja) | 2006-10-19 |
Family
ID=36585817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006067296A Pending JP2006281318A (ja) | 2005-03-30 | 2006-03-13 | スズ(Sn)と、銀(Ag)と、銅(Cu)と、リン(P)とを基本的に含有する鉛フリーのはんだ合金組成物 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7335269B2 (ja) |
EP (1) | EP1707302B1 (ja) |
JP (1) | JP2006281318A (ja) |
HK (1) | HK1082372A2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW592872B (en) | 2001-06-28 | 2004-06-21 | Senju Metal Industry Co | Lead-free solder alloy |
US10123430B2 (en) * | 2006-10-17 | 2018-11-06 | Alpha Assembly Solutions Inc. | Materials for use with interconnects of electrical devices and related methods |
CN101417374B (zh) * | 2008-11-28 | 2011-05-18 | 广州瀚源电子科技有限公司 | 一种无铅焊料减渣方法 |
US8013444B2 (en) | 2008-12-24 | 2011-09-06 | Intel Corporation | Solder joints with enhanced electromigration resistance |
TWI460046B (zh) * | 2012-11-12 | 2014-11-11 | Accurus Scient Co Ltd | High strength silver-free lead-free solder |
CN103586600A (zh) * | 2013-11-12 | 2014-02-19 | 宁波市鄞州恒迅电子材料有限公司 | 无铅焊锡合金球 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001071173A (ja) * | 1999-09-06 | 2001-03-21 | Ishikawa Kinzoku Kk | 無鉛はんだ |
JP2003094195A (ja) * | 2001-06-28 | 2003-04-02 | Senju Metal Ind Co Ltd | 鉛フリーはんだ合金 |
JP2004154845A (ja) * | 2002-11-08 | 2004-06-03 | Hitachi Ltd | 電子装置接続用はんだとはんだボール及びそれを用いた電子装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8807730D0 (en) * | 1988-03-31 | 1988-05-05 | Cookson Group Plc | Low toxicity soldering compositions |
US5527628A (en) | 1993-07-20 | 1996-06-18 | Iowa State University Research Foudation, Inc. | Pb-free Sn-Ag-Cu ternary eutectic solder |
JP3874031B2 (ja) * | 1995-11-29 | 2007-01-31 | 内橋エステック株式会社 | 無鉛はんだ合金 |
US6179935B1 (en) * | 1997-04-16 | 2001-01-30 | Fuji Electric Co., Ltd. | Solder alloys |
JP3753168B2 (ja) * | 1999-08-20 | 2006-03-08 | 千住金属工業株式会社 | 微小チップ部品接合用ソルダペースト |
JP3599101B2 (ja) | 2000-12-11 | 2004-12-08 | 株式会社トッパンNecサーキットソリューションズ | はんだ、それを使用したプリント配線基板の表面処理方法及びそれを使用した電子部品の実装方法 |
CA2389446A1 (en) * | 2002-06-10 | 2003-12-10 | David Wai-Yin Leung | Pb-free solder alloy compositions comprising essentially sn, ag, cu, and/or p |
CN1203960C (zh) | 2003-01-15 | 2005-06-01 | 深圳市亿铖达工业有限公司 | 具有抗氧化能力的无铅焊料 |
US7282175B2 (en) * | 2003-04-17 | 2007-10-16 | Senju Metal Industry Co., Ltd. | Lead-free solder |
-
2006
- 2006-02-23 US US11/362,310 patent/US7335269B2/en not_active Expired - Fee Related
- 2006-02-24 EP EP06003796A patent/EP1707302B1/en not_active Revoked
- 2006-03-13 JP JP2006067296A patent/JP2006281318A/ja active Pending
- 2006-03-25 HK HK06103778A patent/HK1082372A2/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001071173A (ja) * | 1999-09-06 | 2001-03-21 | Ishikawa Kinzoku Kk | 無鉛はんだ |
JP2003094195A (ja) * | 2001-06-28 | 2003-04-02 | Senju Metal Ind Co Ltd | 鉛フリーはんだ合金 |
JP2004154845A (ja) * | 2002-11-08 | 2004-06-03 | Hitachi Ltd | 電子装置接続用はんだとはんだボール及びそれを用いた電子装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1707302A2 (en) | 2006-10-04 |
EP1707302A3 (en) | 2007-01-17 |
US7335269B2 (en) | 2008-02-26 |
US20060222559A1 (en) | 2006-10-05 |
EP1707302B1 (en) | 2010-06-02 |
HK1082372A2 (en) | 2006-06-02 |
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