JP2022523203A - 過酷な使用条件のための高信頼性無鉛はんだ合金 - Google Patents
過酷な使用条件のための高信頼性無鉛はんだ合金 Download PDFInfo
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- JP2022523203A JP2022523203A JP2021549601A JP2021549601A JP2022523203A JP 2022523203 A JP2022523203 A JP 2022523203A JP 2021549601 A JP2021549601 A JP 2021549601A JP 2021549601 A JP2021549601 A JP 2021549601A JP 2022523203 A JP2022523203 A JP 2022523203A
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 111
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 96
- 239000000956 alloy Substances 0.000 title claims abstract description 96
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 3
- 239000010949 copper Substances 0.000 claims abstract 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract 4
- 230000004907 flux Effects 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 229910000765 intermetallic Inorganic materials 0.000 description 22
- 238000012360 testing method Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 239000006104 solid solution Substances 0.000 description 7
- 229910006913 SnSb Inorganic materials 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000001465 metallisation Methods 0.000 description 4
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 description 3
- 229910003336 CuNi Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 229910001203 Alloy 20 Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910017944 Ag—Cu Inorganic materials 0.000 description 1
- 229910016338 Bi—Sn Inorganic materials 0.000 description 1
- 229910017932 Cu—Sb Inorganic materials 0.000 description 1
- 208000025599 Heat Stress disease Diseases 0.000 description 1
- 229910020836 Sn-Ag Inorganic materials 0.000 description 1
- 229910020888 Sn-Cu Inorganic materials 0.000 description 1
- 229910020988 Sn—Ag Inorganic materials 0.000 description 1
- 229910019204 Sn—Cu Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229910052718 tin Inorganic materials 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
- 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
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
本出願は、2019年2月26日に出願された米国仮特許出願第62/810,619号、名称「High Reliability Leadfree Solder Alloys for Harsh Service Conditions」の優先権を主張し、その開示は参照によりその全体が本明細書に組み込まれる。
Claims (17)
- 2.5~4.0重量%のAg;
0.4~0.8重量%のCu;
5.0~9.0重量%のSb;
1.5~3.5重量%のBi;
0.05~0.35重量%のNi;および、
残部Sn;
を含むはんだ合金。 - 0.1~3.0重量%のInをさらに含む、請求項1に記載のはんだ合金。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項1に記載のはんだ合金。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.3~0.6重量%のIn、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項2に記載のはんだ合金。
- フラックス;ならびに、
2.5~4.0重量%のAg;
0.4~0.8重量%のCu;
5.0~9.0重量%のSb;
2.8~5.0重量%のBi;
0.05~0.35重量%のNi;および、
残部Sn;
を含むはんだ合金粉末、
を含むはんだペースト。 - 前記はんだ合金は、0.1~3.0重量%のInをさらに含む、請求項5に記載のはんだペースト。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項5に記載のはんだペースト。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.3~0.6重量%のIn、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項5に記載のはんだペースト。
- 主セラミック本体、および、
電極および熱パッドが配置された側面、
を備える部品と;
銅基板と;
前記部品および前記銅基板を電気的に結合するはんだ合金と;
を備える装置であって、
前記はんだ合金は、
2.5~4.0重量%のAg;
0.4~0.8重量%のCu;
5.0~9.0重量%のSb;
1.5~3.5重量%のBi;
0.05~0.35重量%のNi;および、
残部Sn;
を含む装置。 - 前記はんだ合金は、0.1~3.0重量%のInをさらに含む、請求項9に記載の装置。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項9に記載の装置。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.3~0.6重量%のIn、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項11に記載の装置。
- 請求項1から4のいずれか1項に記載のはんだ合金を用いてLED部品が組み付けられたLEDモジュール。
- 発光ダイオード(LED)部品と;
金属コアプリント回路基板(MCPCB)と;
前記LED部品と前記MCPCBとを電気的に結合するはんだ合金と;
を備える装置であって、
前記はんだ合金は、
2.5~4.0重量%のAg;
0.4~0.8重量%のCu;
5.0~9.0重量%のSb;
1.5~3.5重量%のBi;
0.05~0.35重量%のNi;および、
残部Sn;
を含む装置。 - 前記はんだ合金は、0.1~3.0重量%のInをさらに含む、請求項9に記載の装置。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項9に記載の装置。
- 前記はんだ合金は、3.0~4.0重量%のAg、0.5~0.7重量%のCu、5.0~6.0重量%のSb、2.5~3.5重量%のBi、0.3~0.6重量%のIn、0.1~0.2重量%のNi、および残部Snから本質的になる、請求項11に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962810619P | 2019-02-26 | 2019-02-26 | |
US62/810,619 | 2019-02-26 | ||
PCT/US2020/019831 WO2020176583A1 (en) | 2019-02-26 | 2020-02-26 | High reliability leadfree solder alloys for harsh service conditions |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022523203A true JP2022523203A (ja) | 2022-04-21 |
JPWO2020176583A5 JPWO2020176583A5 (ja) | 2023-03-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021549601A Pending JP2022523203A (ja) | 2019-02-26 | 2020-02-26 | 過酷な使用条件のための高信頼性無鉛はんだ合金 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11752579B2 (ja) |
EP (1) | EP3931364A1 (ja) |
JP (1) | JP2022523203A (ja) |
KR (1) | KR20210138614A (ja) |
CN (1) | CN113474474A (ja) |
WO (1) | WO2020176583A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI742813B (zh) * | 2019-09-02 | 2021-10-11 | 美商阿爾發金屬化工公司 | 高溫超高可靠性合金 |
WO2022261130A1 (en) * | 2021-06-11 | 2022-12-15 | Indium Corporation | High reliability lead-free solder pastes with mixed solder alloy powders |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9260768B2 (en) | 2005-12-13 | 2016-02-16 | Indium Corporation | Lead-free solder alloys and solder joints thereof with improved drop impact resistance |
JP2015077601A (ja) | 2013-04-02 | 2015-04-23 | 千住金属工業株式会社 | 鉛フリーはんだ合金 |
US10272527B2 (en) | 2014-04-02 | 2019-04-30 | Senju Metal Industry Co., Ltd. | Solder alloy, and LED module |
US20160279741A1 (en) * | 2015-03-24 | 2016-09-29 | Tamura Corporation | Lead-free solder alloy, electronic circuit board, and electronic control device |
TWI764632B (zh) | 2015-05-05 | 2022-05-11 | 美商銦業公司 | 用於嚴苛環境之電子應用的高可靠度無鉛焊料合金 |
US11229979B2 (en) | 2015-05-05 | 2022-01-25 | Indium Corporation | High reliability lead-free solder alloys for harsh environment electronics applications |
JP6230674B2 (ja) | 2016-09-20 | 2017-11-15 | 株式会社タムラ製作所 | 鉛フリーはんだ合金、電子回路基板および電子制御装置 |
JP6745453B2 (ja) * | 2016-05-18 | 2020-08-26 | 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 |
-
2020
- 2020-02-26 US US16/801,556 patent/US11752579B2/en active Active
- 2020-02-26 WO PCT/US2020/019831 patent/WO2020176583A1/en unknown
- 2020-02-26 CN CN202080016268.8A patent/CN113474474A/zh active Pending
- 2020-02-26 KR KR1020217030585A patent/KR20210138614A/ko unknown
- 2020-02-26 JP JP2021549601A patent/JP2022523203A/ja active Pending
- 2020-02-26 EP EP20717352.7A patent/EP3931364A1/en active Pending
Also Published As
Publication number | Publication date |
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KR20210138614A (ko) | 2021-11-19 |
CN113474474A (zh) | 2021-10-01 |
US11752579B2 (en) | 2023-09-12 |
US20200269360A1 (en) | 2020-08-27 |
WO2020176583A1 (en) | 2020-09-03 |
EP3931364A1 (en) | 2022-01-05 |
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