CN103290438B - 用于晶圆级封装的电镀铜溶液及电镀方法 - Google Patents
用于晶圆级封装的电镀铜溶液及电镀方法 Download PDFInfo
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- CN103290438B CN103290438B CN201310257144.0A CN201310257144A CN103290438B CN 103290438 B CN103290438 B CN 103290438B CN 201310257144 A CN201310257144 A CN 201310257144A CN 103290438 B CN103290438 B CN 103290438B
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- copper
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- electroplating solution
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 121
- 239000010949 copper Substances 0.000 title claims abstract description 121
- 238000009713 electroplating Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 35
- -1 Polyoxyethylene Polymers 0.000 claims abstract description 46
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 19
- 241000370738 Chlorion Species 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims abstract description 12
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 11
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000000654 additive Substances 0.000 claims description 39
- 230000000996 additive effect Effects 0.000 claims description 39
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 18
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 15
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 15
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 15
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 15
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 10
- DPWJHXHCEHPXGF-UHFFFAOYSA-N [amino(sulfanyl)methylidene]azanium;propane-1-sulfonate Chemical compound NC(S)=[NH2+].CCCS([O-])(=O)=O DPWJHXHCEHPXGF-UHFFFAOYSA-N 0.000 claims description 9
- BSXVKCJAIJZTAV-UHFFFAOYSA-L copper;methanesulfonate Chemical compound [Cu+2].CS([O-])(=O)=O.CS([O-])(=O)=O BSXVKCJAIJZTAV-UHFFFAOYSA-L 0.000 claims description 6
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 5
- WCCJDBZJUYKDBF-UHFFFAOYSA-N copper silicon Chemical compound [Si].[Cu] WCCJDBZJUYKDBF-UHFFFAOYSA-N 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 claims description 4
- WGJCBBASTRWVJL-UHFFFAOYSA-N 1,3-thiazolidine-2-thione Chemical compound SC1=NCCS1 WGJCBBASTRWVJL-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 description 31
- 230000000694 effects Effects 0.000 description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 21
- 229910052710 silicon Inorganic materials 0.000 description 21
- 239000010703 silicon Substances 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 19
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 16
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 15
- 229910052708 sodium Inorganic materials 0.000 description 15
- 239000011734 sodium Substances 0.000 description 15
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 15
- 150000001298 alcohols Chemical class 0.000 description 12
- 238000013461 design Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229920002538 Polyethylene Glycol 20000 Polymers 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000008118 PEG 6000 Substances 0.000 description 3
- 229920002584 Polyethylene Glycol 6000 Polymers 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 3
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 229940093429 polyethylene glycol 6000 Drugs 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229920002594 Polyethylene Glycol 8000 Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000036299 sexual function Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Landscapes
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims (7)
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CN103290438B true CN103290438B (zh) | 2015-12-02 |
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Families Citing this family (19)
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CN103397354B (zh) * | 2013-08-08 | 2016-10-26 | 上海新阳半导体材料股份有限公司 | 一种用于减少硅通孔技术镀铜退火后空洞的添加剂 |
CN105696035A (zh) * | 2016-04-18 | 2016-06-22 | 程敏敏 | 一种高性能填孔镀铜溶液 |
CN106480479B (zh) * | 2016-10-12 | 2019-02-15 | 东莞华威铜箔科技有限公司 | 挠性电解铜箔用添加剂的制备方法、制品及其应用 |
CN107217282B (zh) * | 2017-07-24 | 2020-10-16 | 苏州天承化工有限公司 | 一种高tp值软板电镀液及电镀方法 |
CN107313081A (zh) * | 2017-07-24 | 2017-11-03 | 苏州天承化工有限公司 | 一种通盲孔共镀电镀液及电镀方法 |
US20190259722A1 (en) * | 2018-02-21 | 2019-08-22 | Rohm And Haas Electronic Materials Llc | Copper pillars having improved integrity and methods of making the same |
CN109244053B (zh) * | 2018-09-17 | 2020-04-14 | 上海交通大学 | 一种提高tsv热机械可靠性的复合结构及其制造方法 |
CN109112586B (zh) * | 2018-10-22 | 2020-12-11 | 江苏赛夫特半导体材料检测技术有限公司 | 一种新型高效半导体镀铜添加剂及其制备方法 |
CN109112587B (zh) * | 2018-10-22 | 2020-06-09 | 江苏赛夫特半导体材料检测技术有限公司 | 一种安全环保型镀铜添加剂及其制备方法 |
CN111074306B (zh) * | 2020-01-02 | 2020-10-27 | 江苏矽智半导体科技有限公司 | 用于适合超大电流密度的电镀铜柱溶液及电镀方法 |
CN111254464B (zh) * | 2020-01-17 | 2021-06-18 | 广东嘉元科技股份有限公司 | 一种高抗拉强度锂离子电池用极薄电解铜箔的制备方法 |
CN111945192B (zh) * | 2020-08-11 | 2021-08-06 | 深圳市创智成功科技有限公司 | 用于hdi板和载板的盲孔填孔电镀铜溶液 |
CN112458504B (zh) * | 2020-12-01 | 2022-01-11 | 南通麦特隆新材料科技有限公司 | 一种用于电子电路电镀铜填孔的电镀铜浴及其使用方法 |
CN113046798A (zh) * | 2021-03-15 | 2021-06-29 | 珠海市创智芯科技有限公司 | 一种应用于显示面板技术的电镀液及通孔填孔方法 |
CN114318434B (zh) * | 2021-12-10 | 2023-08-08 | 胜宏科技(惠州)股份有限公司 | 一种电镀铜溶液及其制备方法 |
CN114134544A (zh) * | 2021-12-31 | 2022-03-04 | 三门峡毕昇制版科技股份有限公司 | 一种电子雕刻印刷凹版碱性镀铜添加剂 |
CN114318436A (zh) * | 2022-03-09 | 2022-04-12 | 深圳市创智成功科技有限公司 | 晶圆铜互连的高纯度硫酸铜的制备方法及其电镀铜工艺 |
CN114574911B (zh) * | 2022-04-28 | 2022-07-19 | 深圳市板明科技股份有限公司 | 一种高厚径比线路板通孔电镀工艺 |
CN117966225B (zh) * | 2024-03-28 | 2024-07-16 | 昆山一鼎工业科技有限公司 | 一种qfp粗铜电镀溶液、配制方法和电镀方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1337064A (zh) * | 1999-01-21 | 2002-02-20 | 阿托特德国有限公司 | 生产集成电路时由高纯铜电镀形成导体结构的方法 |
TW591124B (en) * | 2001-10-04 | 2004-06-11 | Shipley Co Llc | Plating bath and method for depositing a metal layer on a substrate |
CN1506501A (zh) * | 2002-11-21 | 2004-06-23 | 希普雷公司 | 电镀液 |
US6776893B1 (en) * | 2000-11-20 | 2004-08-17 | Enthone Inc. | Electroplating chemistry for the CU filling of submicron features of VLSI/ULSI interconnect |
TWI227284B (en) * | 2001-10-02 | 2005-02-01 | Shipley Co Llc | Plating bath and method for depositing a metal layer on a substrate |
TWI248478B (en) * | 2001-10-02 | 2006-02-01 | Shipley Co Llc | Plating bath and method for depositing a metal layer on a substrate |
US7064068B2 (en) * | 2004-01-23 | 2006-06-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method to improve planarity of electroplated copper |
CN101855714A (zh) * | 2007-08-02 | 2010-10-06 | 恩索恩公司 | 穿硅通孔的铜金属填充 |
CN102318041A (zh) * | 2009-02-17 | 2012-01-11 | 埃托特克德国有限公司 | 用于电沉积铜的工艺,在穿硅通孔(tsv)中的芯片间、芯片到晶片间和晶片间的互连 |
CN103103585A (zh) * | 2012-12-29 | 2013-05-15 | 上海新阳半导体材料股份有限公司 | 一种用于铜互连的高速凸点电镀方法 |
-
2013
- 2013-06-25 CN CN201310257144.0A patent/CN103290438B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1337064A (zh) * | 1999-01-21 | 2002-02-20 | 阿托特德国有限公司 | 生产集成电路时由高纯铜电镀形成导体结构的方法 |
US6776893B1 (en) * | 2000-11-20 | 2004-08-17 | Enthone Inc. | Electroplating chemistry for the CU filling of submicron features of VLSI/ULSI interconnect |
TWI227284B (en) * | 2001-10-02 | 2005-02-01 | Shipley Co Llc | Plating bath and method for depositing a metal layer on a substrate |
TWI248478B (en) * | 2001-10-02 | 2006-02-01 | Shipley Co Llc | Plating bath and method for depositing a metal layer on a substrate |
TW591124B (en) * | 2001-10-04 | 2004-06-11 | Shipley Co Llc | Plating bath and method for depositing a metal layer on a substrate |
CN1506501A (zh) * | 2002-11-21 | 2004-06-23 | 希普雷公司 | 电镀液 |
US7064068B2 (en) * | 2004-01-23 | 2006-06-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method to improve planarity of electroplated copper |
CN101855714A (zh) * | 2007-08-02 | 2010-10-06 | 恩索恩公司 | 穿硅通孔的铜金属填充 |
CN102318041A (zh) * | 2009-02-17 | 2012-01-11 | 埃托特克德国有限公司 | 用于电沉积铜的工艺,在穿硅通孔(tsv)中的芯片间、芯片到晶片间和晶片间的互连 |
CN103103585A (zh) * | 2012-12-29 | 2013-05-15 | 上海新阳半导体材料股份有限公司 | 一种用于铜互连的高速凸点电镀方法 |
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