JP7273049B2 - 電子用途のコスト効率の良い鉛フリーはんだ合金 - Google Patents
電子用途のコスト効率の良い鉛フリーはんだ合金 Download PDFInfo
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- JP7273049B2 JP7273049B2 JP2020544347A JP2020544347A JP7273049B2 JP 7273049 B2 JP7273049 B2 JP 7273049B2 JP 2020544347 A JP2020544347 A JP 2020544347A JP 2020544347 A JP2020544347 A JP 2020544347A JP 7273049 B2 JP7273049 B2 JP 7273049B2
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- 229910045601 alloy Inorganic materials 0.000 title claims description 118
- 239000000956 alloy Substances 0.000 title claims description 118
- 229910000679 solder Inorganic materials 0.000 title claims description 55
- 239000010949 copper Substances 0.000 claims description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 35
- 229910052802 copper Inorganic materials 0.000 claims description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- 229910052787 antimony Inorganic materials 0.000 claims description 16
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 16
- 229910052797 bismuth Inorganic materials 0.000 claims description 16
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 15
- 229910052718 tin Inorganic materials 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 229910017052 cobalt Inorganic materials 0.000 claims description 10
- 239000010941 cobalt Substances 0.000 claims description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- 229910052732 germanium Inorganic materials 0.000 claims description 10
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 7
- 229910000597 tin-copper alloy Inorganic materials 0.000 description 37
- 239000000758 substrate Substances 0.000 description 18
- 230000032683 aging Effects 0.000 description 17
- 229910000765 intermetallic Inorganic materials 0.000 description 17
- 239000000203 mixture Substances 0.000 description 15
- 238000009736 wetting Methods 0.000 description 15
- 238000004090 dissolution Methods 0.000 description 7
- 238000007792 addition Methods 0.000 description 6
- 238000003892 spreading Methods 0.000 description 6
- 230000007480 spreading Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 5
- 238000000113 differential scanning calorimetry Methods 0.000 description 5
- 229910052733 gallium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000001878 scanning electron micrograph Methods 0.000 description 5
- 239000006104 solid solution Substances 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 238000004781 supercooling Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000011837 pasties Nutrition 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 229910008433 SnCU Inorganic materials 0.000 description 2
- VRUVRQYVUDCDMT-UHFFFAOYSA-N [Sn].[Ni].[Cu] Chemical compound [Sn].[Ni].[Cu] VRUVRQYVUDCDMT-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910018082 Cu3Sn Inorganic materials 0.000 description 1
- 229910018471 Cu6Sn5 Inorganic materials 0.000 description 1
- 108010003272 Hyaluronate lyase Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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, brazing
- B23K35/0227—Rods, wires
-
- 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
-
- 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
-
- 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
-
- 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
- C22C13/02—Alloys based on tin with antimony or bismuth as the next major 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
- 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, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
-
- 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, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
- B23K35/025—Pastes, creams, slurries
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)
- Conductive Materials (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
Description
本出願は、2017年11月8日出願の「COST-EFFECTIVE LEAD-FREE SOLDER ALLOY FOR ELECTRONIC APPLICATIONS」と題された米国特許仮出願第62/583,271号、及び2018年6月28日出願の「COST-EFFECTIVE LEAD-FREE SOLDER ALLOY FOR ELECTRONIC APPLICATIONS」と題された米国特許出願第16/022,330号に対する優先権を主張する。米国特許仮出願第62/583,271号及び米国特許出願第16/022,330号の全体は、参照により本明細書に組み込まれる。
本開示は、概して、電子用途の鉛フリー、銀フリーはんだ合金に関する。
Claims (9)
- 鉛フリー、銀フリーはんだ合金であって、
0.5~0.9重量%の銅と、
1.0~3.5重量%のビスマスと、
0.02~0.08重量%のコバルトと、
0.02~0.09重量%のアンチモンと、
0.001~0.01重量%のゲルマニウムと、
残部のスズと、任意の不可避不純物とから成る、鉛フリー、銀フリーはんだ合金。 - 0.006重量%のゲルマニウムを含む、請求項1に記載の鉛フリー、銀フリーはんだ合金。
- 0.01~0.1重量%のニッケルを更に含む、請求項1に記載の鉛フリー、銀フリーはんだ合金。
- 0.05重量%のニッケルを含む、請求項3に記載の鉛フリー、銀フリーはんだ合金。
- 0.7重量%の銅を含む、請求項1に記載の鉛フリー、銀フリーはんだ合金。
- 1.2~1.8重量%のビスマスを含む、請求項1に記載の鉛フリー、銀フリーはんだ合金。
- 1.5重量%のビスマスを含む、請求項6に記載の鉛フリー、銀フリーはんだ合金。
- 0.05重量%のコバルトを含む、請求項1に記載の鉛フリー、銀フリーはんだ合金。
- 0.05重量%のアンチモンを含む、請求項1に記載の鉛フリー、銀フリーはんだ合金。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762583271P | 2017-11-08 | 2017-11-08 | |
| US62/583,271 | 2017-11-08 | ||
| US16/022,330 US11123823B2 (en) | 2017-11-08 | 2018-06-28 | Cost-effective lead-free solder alloy for electronic applications |
| US16/022,330 | 2018-06-28 | ||
| PCT/US2018/058457 WO2019094241A2 (en) | 2017-11-08 | 2018-10-31 | Cost-effective lead-free solder alloy for electronic applications |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021502258A JP2021502258A (ja) | 2021-01-28 |
| JP7273049B2 true JP7273049B2 (ja) | 2023-05-12 |
Family
ID=66326664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020544347A Active JP7273049B2 (ja) | 2017-11-08 | 2018-10-31 | 電子用途のコスト効率の良い鉛フリーはんだ合金 |
Country Status (9)
| Country | Link |
|---|---|
| US (3) | US11123823B2 (ja) |
| EP (1) | EP3706949B1 (ja) |
| JP (1) | JP7273049B2 (ja) |
| KR (1) | KR102667729B1 (ja) |
| CN (2) | CN111511494B (ja) |
| HU (1) | HUE065268T2 (ja) |
| SG (1) | SG11202004068XA (ja) |
| TW (1) | TWI821211B (ja) |
| WO (1) | WO2019094241A2 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6912742B1 (ja) * | 2020-02-14 | 2021-08-04 | 千住金属工業株式会社 | 鉛フリーかつアンチモンフリーのはんだ合金、はんだボール、およびはんだ継手 |
| US20220212293A1 (en) * | 2020-12-23 | 2022-07-07 | Mk Electron Co., Ltd. | Lead-free solder alloy, solder paste comprising the same, and semiconductor device comprising the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011782A (zh) | 2007-01-24 | 2007-08-08 | 太仓市南仓金属材料有限公司 | 一种无铅软钎锡焊料 |
| JP2011251310A (ja) | 2010-06-02 | 2011-12-15 | Nippon Genma:Kk | 鉛フリーはんだ合金 |
| JP2014097532A (ja) | 2012-11-12 | 2014-05-29 | Accurus Scientific Co Ltd | 無銀無鉛はんだ組成物 |
| WO2015166945A1 (ja) | 2014-04-30 | 2015-11-05 | 株式会社日本スペリア社 | 鉛フリーはんだ合金 |
| JP6119911B1 (ja) | 2016-09-13 | 2017-04-26 | 千住金属工業株式会社 | はんだ合金、はんだボールおよびはんだ継手 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4017088B2 (ja) * | 1997-08-07 | 2007-12-05 | ハリマ化成株式会社 | ソルダペースト |
| US20040241039A1 (en) * | 2000-10-27 | 2004-12-02 | H-Technologies Group | High temperature lead-free solder compositions |
| JP2003001482A (ja) * | 2001-06-19 | 2003-01-08 | Tokyo Daiichi Shoko:Kk | 無鉛半田合金 |
| US8216395B2 (en) * | 2001-06-28 | 2012-07-10 | Senju Metal Industry Co., Ltd. | Lead-free solder alloy |
| US20030021718A1 (en) * | 2001-06-28 | 2003-01-30 | Osamu Munekata | Lead-free solder alloy |
| JP3768849B2 (ja) * | 2001-08-27 | 2006-04-19 | 白光株式会社 | 半田ごて用の半田 |
| JP4817095B2 (ja) * | 2005-10-03 | 2011-11-16 | 上村工業株式会社 | ウィスカ抑制表面処理方法 |
| EP2177304B1 (en) * | 2007-07-13 | 2016-10-26 | Senju Metal Industry Co., Ltd | Vehicle-mounted electronic circuit |
| JP4968381B2 (ja) * | 2008-04-23 | 2012-07-04 | 千住金属工業株式会社 | 鉛フリーはんだ |
| US8013444B2 (en) | 2008-12-24 | 2011-09-06 | Intel Corporation | Solder joints with enhanced electromigration resistance |
| JP4787384B1 (ja) * | 2010-10-29 | 2011-10-05 | ハリマ化成株式会社 | 低銀はんだ合金およびはんだペースト組成物 |
| WO2012127642A1 (ja) * | 2011-03-23 | 2012-09-27 | 千住金属工業株式会社 | 鉛フリーはんだ合金 |
| JP6504401B2 (ja) * | 2015-11-05 | 2019-04-24 | パナソニックIpマネジメント株式会社 | はんだ合金およびそれを用いた実装構造体 |
| WO2018174162A1 (ja) * | 2017-03-23 | 2018-09-27 | 株式会社日本スペリア社 | はんだ継手 |
| JP6369620B1 (ja) * | 2017-12-31 | 2018-08-08 | 千住金属工業株式会社 | はんだ合金 |
-
2018
- 2018-06-28 US US16/022,330 patent/US11123823B2/en active Active
- 2018-10-31 KR KR1020207014921A patent/KR102667729B1/ko active Active
- 2018-10-31 EP EP18804200.6A patent/EP3706949B1/en active Active
- 2018-10-31 SG SG11202004068XA patent/SG11202004068XA/en unknown
- 2018-10-31 HU HUE18804200A patent/HUE065268T2/hu unknown
- 2018-10-31 WO PCT/US2018/058457 patent/WO2019094241A2/en not_active Ceased
- 2018-10-31 CN CN201880072316.8A patent/CN111511494B/zh active Active
- 2018-10-31 CN CN202210902779.0A patent/CN115178910B/zh active Active
- 2018-10-31 JP JP2020544347A patent/JP7273049B2/ja active Active
- 2018-11-08 TW TW107139613A patent/TWI821211B/zh active
-
2021
- 2021-08-31 US US17/462,064 patent/US11724342B2/en active Active
-
2023
- 2023-06-30 US US18/217,156 patent/US20230356333A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011782A (zh) | 2007-01-24 | 2007-08-08 | 太仓市南仓金属材料有限公司 | 一种无铅软钎锡焊料 |
| JP2011251310A (ja) | 2010-06-02 | 2011-12-15 | Nippon Genma:Kk | 鉛フリーはんだ合金 |
| JP2014097532A (ja) | 2012-11-12 | 2014-05-29 | Accurus Scientific Co Ltd | 無銀無鉛はんだ組成物 |
| WO2015166945A1 (ja) | 2014-04-30 | 2015-11-05 | 株式会社日本スペリア社 | 鉛フリーはんだ合金 |
| JP6119911B1 (ja) | 2016-09-13 | 2017-04-26 | 千住金属工業株式会社 | はんだ合金、はんだボールおよびはんだ継手 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111511494B (zh) | 2022-08-16 |
| TW201934768A (zh) | 2019-09-01 |
| KR102667729B1 (ko) | 2024-05-20 |
| HUE065268T2 (hu) | 2024-05-28 |
| US11724342B2 (en) | 2023-08-15 |
| JP2021502258A (ja) | 2021-01-28 |
| CN115178910A (zh) | 2022-10-14 |
| WO2019094241A2 (en) | 2019-05-16 |
| TWI821211B (zh) | 2023-11-11 |
| EP3706949A2 (en) | 2020-09-16 |
| US11123823B2 (en) | 2021-09-21 |
| EP3706949B1 (en) | 2023-11-29 |
| US20190134757A1 (en) | 2019-05-09 |
| CN115178910B (zh) | 2024-04-16 |
| CN111511494A (zh) | 2020-08-07 |
| SG11202004068XA (en) | 2020-05-28 |
| WO2019094241A3 (en) | 2019-07-18 |
| KR20200089269A (ko) | 2020-07-24 |
| US20230356333A1 (en) | 2023-11-09 |
| US20220080535A1 (en) | 2022-03-17 |
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