KR100743190B1 - 저융점 무연 솔더 및 그의 제조 방법 - Google Patents
저융점 무연 솔더 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR100743190B1 KR100743190B1 KR1020050129293A KR20050129293A KR100743190B1 KR 100743190 B1 KR100743190 B1 KR 100743190B1 KR 1020050129293 A KR1020050129293 A KR 1020050129293A KR 20050129293 A KR20050129293 A KR 20050129293A KR 100743190 B1 KR100743190 B1 KR 100743190B1
- Authority
- KR
- South Korea
- Prior art keywords
- lead
- melting point
- low melting
- free solder
- free
- 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 - Fee Related
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 43
- 238000002844 melting Methods 0.000 title claims abstract description 33
- 230000008018 melting Effects 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000007747 plating Methods 0.000 claims abstract description 43
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000012458 free base Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 16
- 238000009713 electroplating Methods 0.000 claims description 9
- 238000007772 electroless plating Methods 0.000 claims description 6
- 229910020836 Sn-Ag Inorganic materials 0.000 claims description 4
- 229910020988 Sn—Ag Inorganic materials 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 229910020830 Sn-Bi Inorganic materials 0.000 claims 3
- 229910018728 Sn—Bi Inorganic materials 0.000 claims 3
- 238000005476 soldering Methods 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000008646 thermal stress Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 24
- 239000000203 mixture Substances 0.000 description 6
- 229910052718 tin Inorganic materials 0.000 description 5
- 229910001152 Bi alloy Inorganic materials 0.000 description 4
- 229910052797 bismuth Inorganic materials 0.000 description 4
- JWVAUCBYEDDGAD-UHFFFAOYSA-N bismuth tin Chemical compound [Sn].[Bi] JWVAUCBYEDDGAD-UHFFFAOYSA-N 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000010309 melting process Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- QCEUXSAXTBNJGO-UHFFFAOYSA-N [Ag].[Sn] Chemical compound [Ag].[Sn] QCEUXSAXTBNJGO-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 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
- 230000008642 heat stress Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- GZCWPZJOEIAXRU-UHFFFAOYSA-N tin zinc Chemical compound [Zn].[Sn] GZCWPZJOEIAXRU-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
- 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
- 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
- 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
- B23K35/264—Bi 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
- B23K35/22—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
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3006—Ag 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
- B23K35/22—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
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu 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
- C22C13/02—Alloys based on tin with antimony or bismuth as the next major constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electroplating Methods And Accessories (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
Claims (10)
- Sn-Ag 무연 기재;상기 무연 기재의 표면에 8 내지 25㎛ 두께로 형성되고, Sn-Bi 저융점 합금 도금층을 포함하는 반도체 패키지용 저융점 무연 솔더.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- Sn-Ag 무연 기재를 Sn-Bi 저융점 합금을 포함하는 도금액으로 도금하여, Sn-Ag 무연 기재 표면에 8 내지 25㎛ 두께의 Sn-Bi 저융점 합금 도금층을 형성하는 공정을 포함하며,상기 도금하는 공정은 1 내지 10 A/dm2의 전류 밀도 및 20 내지 80℃의 온도의 조건 하에서, 3 내지 20분 동안 전해 도금을 실시하거나 또는 20 내지 80의 조건 하에서 무전해 도금하는 공정을 실시하는 것인반도체 패키지용 저융점 무연 솔더의 제조 방법
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050129293A KR100743190B1 (ko) | 2005-12-26 | 2005-12-26 | 저융점 무연 솔더 및 그의 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050129293A KR100743190B1 (ko) | 2005-12-26 | 2005-12-26 | 저융점 무연 솔더 및 그의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070067860A KR20070067860A (ko) | 2007-06-29 |
KR100743190B1 true KR100743190B1 (ko) | 2007-07-27 |
Family
ID=38366381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050129293A Expired - Fee Related KR100743190B1 (ko) | 2005-12-26 | 2005-12-26 | 저융점 무연 솔더 및 그의 제조 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100743190B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101099501B1 (ko) * | 2008-06-20 | 2011-12-27 | 주식회사 아이에스시테크놀러지 | 테스트 소켓, 전기적 연결장치 및 그 테스트 소켓의제조방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112518167A (zh) * | 2018-04-04 | 2021-03-19 | 史国民 | 耐腐蚀低温焊接材料 |
CN109352207B (zh) * | 2018-11-14 | 2020-10-20 | 北京联金新材科技有限公司 | 一种SnZn基低温无铅焊料的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62252693A (ja) | 1986-04-24 | 1987-11-04 | Nippon Telegr & Teleph Corp <Ntt> | セラミツク用はんだ |
KR19980023274A (ko) * | 1996-09-25 | 1998-07-06 | 구자홍 | 무연 솔더 조성물 |
JPH11179586A (ja) | 1997-12-16 | 1999-07-06 | Hitachi Ltd | Pbフリーはんだ接続構造体および電子機器 |
JP2000061683A (ja) | 1998-08-27 | 2000-02-29 | Totoku Electric Co Ltd | はんだめっき線 |
JP2002120086A (ja) | 2000-10-12 | 2002-04-23 | Sanyo Electric Co Ltd | 無鉛はんだ及びその製造方法 |
-
2005
- 2005-12-26 KR KR1020050129293A patent/KR100743190B1/ko not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62252693A (ja) | 1986-04-24 | 1987-11-04 | Nippon Telegr & Teleph Corp <Ntt> | セラミツク用はんだ |
KR19980023274A (ko) * | 1996-09-25 | 1998-07-06 | 구자홍 | 무연 솔더 조성물 |
JPH11179586A (ja) | 1997-12-16 | 1999-07-06 | Hitachi Ltd | Pbフリーはんだ接続構造体および電子機器 |
JP2000061683A (ja) | 1998-08-27 | 2000-02-29 | Totoku Electric Co Ltd | はんだめっき線 |
JP2002120086A (ja) | 2000-10-12 | 2002-04-23 | Sanyo Electric Co Ltd | 無鉛はんだ及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101099501B1 (ko) * | 2008-06-20 | 2011-12-27 | 주식회사 아이에스시테크놀러지 | 테스트 소켓, 전기적 연결장치 및 그 테스트 소켓의제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20070067860A (ko) | 2007-06-29 |
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