JP3698161B2 - Pbフリ―半田 - Google Patents
Pbフリ―半田 Download PDFInfo
- Publication number
- JP3698161B2 JP3698161B2 JP2004116070A JP2004116070A JP3698161B2 JP 3698161 B2 JP3698161 B2 JP 3698161B2 JP 2004116070 A JP2004116070 A JP 2004116070A JP 2004116070 A JP2004116070 A JP 2004116070A JP 3698161 B2 JP3698161 B2 JP 3698161B2
- Authority
- JP
- Japan
- Prior art keywords
- solder
- free solder
- weight
- electrode
- 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.)
- Expired - Lifetime
Links
- 229910000679 solder Inorganic materials 0.000 title claims description 75
- 239000004020 conductor Substances 0.000 claims description 20
- 229910052723 transition metal Inorganic materials 0.000 claims description 15
- 150000003624 transition metals Chemical class 0.000 claims description 15
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 description 14
- 238000005476 soldering Methods 0.000 description 14
- 230000035939 shock Effects 0.000 description 12
- 230000003628 erosive effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 229910052718 tin Inorganic materials 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910017944 Ag—Cu Inorganic materials 0.000 description 2
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- -1 Ag 3 Sn Chemical class 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910020938 Sn-Ni Inorganic materials 0.000 description 1
- 229910007637 SnAg Inorganic materials 0.000 description 1
- 229910008937 Sn—Ni Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
塑性変形能が低下して半田の絞りが悪くなると耐熱衝撃性が低下し、クラックの発生による抵抗値の増加や回路オープン等の原因となる。
Claims (3)
- 不可避不純物を除き、
Ni0.15ないし0.5重量%と、
Cu0.5ないし2.0重量%と、
Ag0.5ないし1.0重量%(ただし1.0重量%を除く。)と、
Sn96.6重量%以上と、
からなることを特徴とする、電子部品接合用のPbフリー半田。 - 溶融したSnへ拡散しやすい遷移金属導体を含有する部品と、請求項1に記載のPbフリー半田と、からなり、
前記Pbフリー半田を前記部品に塗布し接合させ、前記遷移金属導体と電気的および機械的に接合してなることを特徴とする半田付け物品。 - 前記遷移金属導体は、Cu,Ag,Ni,Au,Pd,Pt,Znの単体もしくは合金のうち少なくとも1種からなることを特徴とする請求項2に記載の半田付け物品。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004116070A JP3698161B2 (ja) | 1998-01-28 | 2004-04-09 | Pbフリ―半田 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1614198 | 1998-01-28 | ||
| JP2004116070A JP3698161B2 (ja) | 1998-01-28 | 2004-04-09 | Pbフリ―半田 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02004499A Division JP3575311B2 (ja) | 1998-01-28 | 1999-01-28 | Pbフリー半田および半田付け物品 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004261873A JP2004261873A (ja) | 2004-09-24 |
| JP3698161B2 true JP3698161B2 (ja) | 2005-09-21 |
Family
ID=33133214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004116070A Expired - Lifetime JP3698161B2 (ja) | 1998-01-28 | 2004-04-09 | Pbフリ―半田 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3698161B2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624415A (zh) * | 2012-08-22 | 2014-03-12 | 北京有色金属研究总院 | 一种含硼锡基无铅焊料及其制备方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6222375B2 (ja) | 2014-10-17 | 2017-11-01 | 富士電機株式会社 | 鉛フリー半田付け方法及び半田付け物品 |
-
2004
- 2004-04-09 JP JP2004116070A patent/JP3698161B2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624415A (zh) * | 2012-08-22 | 2014-03-12 | 北京有色金属研究总院 | 一种含硼锡基无铅焊料及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004261873A (ja) | 2004-09-24 |
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