JP5461711B2 - 高強度、高伝導性を有する銅合金及びその製造方法 - Google Patents
高強度、高伝導性を有する銅合金及びその製造方法 Download PDFInfo
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- JP5461711B2 JP5461711B2 JP2012552786A JP2012552786A JP5461711B2 JP 5461711 B2 JP5461711 B2 JP 5461711B2 JP 2012552786 A JP2012552786 A JP 2012552786A JP 2012552786 A JP2012552786 A JP 2012552786A JP 5461711 B2 JP5461711 B2 JP 5461711B2
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- weight
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- copper alloy
- conductivity
- conductivity copper
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000002244 precipitate Substances 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 16
- 229910052698 phosphorus Inorganic materials 0.000 claims description 15
- 238000000137 annealing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910019819 Cr—Si Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910052718 tin Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910019064 Mg-Si Inorganic materials 0.000 claims description 3
- 229910019406 Mg—Si Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 description 15
- 239000000956 alloy Substances 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 11
- 238000005097 cold rolling Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000001878 scanning electron micrograph Methods 0.000 description 6
- 229910017824 Cu—Fe—P Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010731 rolling oil Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/10—Alloys based on copper with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- 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
- H01L23/495—Lead-frames or other flat leads
- H01L23/49579—Lead-frames or other flat leads characterised by the materials of the lead frames or layers thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Conductive Materials (AREA)
Description
本発明は、引張強度を増大ないしは維持しながら、高伝導性と高加工性を有する半導体用リードフレーム材、発光ダイオード(LED)リードフレーム材などに適した銅合金及びその製造方法に関する。
〔背景技術〕
〔発明の概要〕
〔発明が解決しようとする課題〕
〔課題を解決するための手段〕
〔発明の効果〕
〔産業上の利用可能性〕
Claims (9)
- 100重量%として、Fe0.05〜0.25重量%、P0.025〜0.15重量%、Cr0.01〜0.25重量%、Si0.01〜0.15重量%、Mg0.01〜0.25重量%であり、残りがCu及び不可避的不純物で組成される高強度及び高伝導性銅合金であって、
前記高強度及び高伝導性銅合金は、Fe−P、Mg−P、Cr−Si、Mg−Si系析出物を含んでいることを特徴とする高強度及び高伝導性銅合金。 - 前記組成に、Zn、Sn、Mn、Al、Niのうち少なくとも1種が1.0重量%以下含まれてなることを特徴とする、請求項1に記載の高強度及び高伝導性銅合金。
- Fe、Mg及びPの比率が、(Mg+Fe)/P=0.4〜50であることを特徴とする、請求項1または2に記載の高強度及び高伝導性銅合金。
- Fe、Mg、Pの比率が、(Mg+Fe)/P=2〜10であることを特徴とする、請求項3に記載の高強度及び高伝導性銅合金。
- Cr、Mg、Siの比率が、(Cr+Mg)/Si=0.1〜50であることを特徴とする、請求項1〜4の何れか1項に記載の高強度及び高伝導性銅合金。
- Cr、Mg、Siの比率が、(Cr+Mg)/Si=1〜10であることを特徴とする、請求項5に記載の高強度及び高伝導性銅合金。
- 100重量%として、Fe0.05〜0.25重量%、P0.025〜0.15重量%、Cr0.01〜0.25重量%、Si0.01〜0.15重量%、Mg0.01〜0.25重量%であり、残りがCu及び不可避的不純物で組成された溶湯を得るステップと、次いで鋳造して鋳塊を得るステップ、850〜1000℃で熱間圧延するステップ、冷却した後、冷間圧延するステップ、400〜600℃で1〜10時間焼鈍熱処理するステップ、圧下率30〜70%で中間圧延するステップ、500〜800℃で30〜600秒間熱処理するステップ、20〜40%で仕上げ圧延するステップと、からなることを特徴とする、高強度及び高伝導性銅合金の製造方法。
- 前記組成に、Zn、Sn、Mn、Al、Niのうち少なくとも1種が1.0重量%以下含まれてなることを特徴とする、請求項7に記載の高強度及び高伝導性銅合金の製造方法。
- 前記400〜600℃で1〜10時間焼鈍熱処理するステップは、Fe−P、Mg−P、Cr−Si、Mg−Si系析出物を形成させ、高強度を確保させる工程を含んでいることを特徴とする、請求項7又は8に記載の高強度及び高伝導性銅合金の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100011356A KR101260911B1 (ko) | 2010-02-08 | 2010-02-08 | 고강도, 고전도성을 갖는 동합금 및 그 제조방법 |
KR10-2010-0011356 | 2010-02-08 | ||
PCT/KR2010/007462 WO2011096632A2 (ko) | 2010-02-08 | 2010-10-28 | 고강도, 고전도성을 갖는 동합금 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013518993A JP2013518993A (ja) | 2013-05-23 |
JP5461711B2 true JP5461711B2 (ja) | 2014-04-02 |
Family
ID=44355896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012552786A Active JP5461711B2 (ja) | 2010-02-08 | 2010-10-28 | 高強度、高伝導性を有する銅合金及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120312430A1 (ja) |
EP (1) | EP2535433A2 (ja) |
JP (1) | JP5461711B2 (ja) |
KR (1) | KR101260911B1 (ja) |
CN (1) | CN102782168A (ja) |
WO (1) | WO2011096632A2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130136183A (ko) * | 2012-06-04 | 2013-12-12 | 박효주 | 동합금부재와 그 제조 방법 |
KR101463092B1 (ko) * | 2012-08-21 | 2014-11-21 | 한국철도기술연구원 | 고강도 및 고전도 고속전철용 전차선 |
JP5851000B1 (ja) * | 2014-08-22 | 2016-02-03 | 株式会社神戸製鋼所 | Ledのリードフレーム用銅合金板条 |
CN104928527A (zh) * | 2015-07-13 | 2015-09-23 | 苏州科茂电子材料科技有限公司 | 一种电缆用导电铜材料及其制备方法 |
KR101834335B1 (ko) * | 2017-11-02 | 2018-04-13 | 주식회사 풍산 | 고강도 및 고전기전도도 특성을 가진 전기전자 부품 및 반도체용 동합금 및 이의 제조 방법 |
CN108754218B (zh) * | 2018-09-10 | 2019-09-10 | 江西理工大学 | 一种高强高导Cu-Cr-Fe-Mg-P合金线材及其制备方法 |
KR101965345B1 (ko) * | 2018-12-19 | 2019-04-03 | 주식회사 풍산 | 굽힘가공성이 우수한 단자 및 커넥터용 구리합금 및 이의 제조방법 |
KR102120295B1 (ko) * | 2018-12-26 | 2020-06-08 | 태원공업(주) | 양백각선의 제조 방법 |
CN111020283B (zh) * | 2019-12-06 | 2021-07-20 | 宁波金田铜业(集团)股份有限公司 | 插件用铜合金带材及其制备方法 |
CN114657410B (zh) * | 2022-04-06 | 2022-09-09 | 中南大学 | 一种高强高导铜铁系合金及其制备方法 |
CN114774733B (zh) * | 2022-04-28 | 2023-05-26 | 郑州大学 | 一种铸轧辊套用高性能铜基合金材料及其制备方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0676630B2 (ja) | 1986-12-23 | 1994-09-28 | 三井金属鉱業株式会社 | 配線接続具用銅合金 |
JP4042920B2 (ja) * | 1995-02-21 | 2008-02-06 | 三菱伸銅株式会社 | 強度および打抜き加工性に優れた電気電子部品用Cu合金 |
JP3717321B2 (ja) | 1998-12-11 | 2005-11-16 | 古河電気工業株式会社 | 半導体リードフレーム用銅合金 |
JP3318309B2 (ja) | 2000-02-29 | 2002-08-26 | 日鉱金属株式会社 | リードフレームおよびリードフレーム用銅合金 |
KR100366843B1 (ko) * | 2000-10-09 | 2003-01-09 | 한국카파매트리얼 주식회사 | 동합금 및 그의 제조방법 |
JP3856018B2 (ja) * | 2004-06-03 | 2006-12-13 | 日立電線株式会社 | 高強度・高導電性銅合金の製造方法 |
CN100439530C (zh) * | 2004-12-24 | 2008-12-03 | 株式会社神户制钢所 | 具有弯曲性和应力弛豫性能的铜合金 |
JP3838521B1 (ja) * | 2005-12-27 | 2006-10-25 | 株式会社神戸製鋼所 | 高強度および優れた曲げ加工性を備えた銅合金およびその製造方法 |
JP2008024995A (ja) * | 2006-07-21 | 2008-02-07 | Kobe Steel Ltd | 耐熱性に優れた電気電子部品用銅合金板 |
JP5214282B2 (ja) * | 2008-03-07 | 2013-06-19 | 株式会社神戸製鋼所 | ダイシング加工性に優れるqfnパッケージ用銅合金板 |
-
2010
- 2010-02-08 KR KR1020100011356A patent/KR101260911B1/ko active IP Right Grant
- 2010-10-28 JP JP2012552786A patent/JP5461711B2/ja active Active
- 2010-10-28 EP EP10845319A patent/EP2535433A2/en not_active Withdrawn
- 2010-10-28 WO PCT/KR2010/007462 patent/WO2011096632A2/ko active Application Filing
- 2010-10-28 CN CN2010800633983A patent/CN102782168A/zh active Pending
- 2010-10-28 US US13/577,512 patent/US20120312430A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2535433A2 (en) | 2012-12-19 |
WO2011096632A3 (ko) | 2011-10-20 |
KR20110091973A (ko) | 2011-08-17 |
JP2013518993A (ja) | 2013-05-23 |
WO2011096632A2 (ko) | 2011-08-11 |
CN102782168A (zh) | 2012-11-14 |
US20120312430A1 (en) | 2012-12-13 |
KR101260911B1 (ko) | 2013-05-06 |
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